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src-d/go-git
plumbing/format/config/decoder.go
Decode
func (d *Decoder) Decode(config *Config) error { cb := func(s string, ss string, k string, v string, bv bool) error { if ss == "" && k == "" { config.Section(s) return nil } if ss != "" && k == "" { config.Section(s).Subsection(ss) return nil } config.AddOption(s, ss, k, v) return nil } return gcfg.ReadWithCallback(d, cb) }
go
func (d *Decoder) Decode(config *Config) error { cb := func(s string, ss string, k string, v string, bv bool) error { if ss == "" && k == "" { config.Section(s) return nil } if ss != "" && k == "" { config.Section(s).Subsection(ss) return nil } config.AddOption(s, ss, k, v) return nil } return gcfg.ReadWithCallback(d, cb) }
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// Decode reads the whole config from its input and stores it in the // value pointed to by config.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/format/config/decoder.go#L21-L37
train
src-d/go-git
status.go
File
func (s Status) File(path string) *FileStatus { if _, ok := (s)[path]; !ok { s[path] = &FileStatus{Worktree: Untracked, Staging: Untracked} } return s[path] }
go
func (s Status) File(path string) *FileStatus { if _, ok := (s)[path]; !ok { s[path] = &FileStatus{Worktree: Untracked, Staging: Untracked} } return s[path] }
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// File returns the FileStatus for a given path, if the FileStatus doesn't // exists a new FileStatus is added to the map using the path as key.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/status.go#L15-L21
train
src-d/go-git
status.go
IsUntracked
func (s Status) IsUntracked(path string) bool { stat, ok := (s)[filepath.ToSlash(path)] return ok && stat.Worktree == Untracked }
go
func (s Status) IsUntracked(path string) bool { stat, ok := (s)[filepath.ToSlash(path)] return ok && stat.Worktree == Untracked }
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// IsUntracked checks if file for given path is 'Untracked'
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/status.go#L24-L27
train
src-d/go-git
status.go
IsClean
func (s Status) IsClean() bool { for _, status := range s { if status.Worktree != Unmodified || status.Staging != Unmodified { return false } } return true }
go
func (s Status) IsClean() bool { for _, status := range s { if status.Worktree != Unmodified || status.Staging != Unmodified { return false } } return true }
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// IsClean returns true if all the files are in Unmodified status.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/status.go#L30-L38
train
src-d/go-git
prune.go
DeleteObject
func (r *Repository) DeleteObject(hash plumbing.Hash) error { los, ok := r.Storer.(storer.LooseObjectStorer) if !ok { return ErrLooseObjectsNotSupported } return los.DeleteLooseObject(hash) }
go
func (r *Repository) DeleteObject(hash plumbing.Hash) error { los, ok := r.Storer.(storer.LooseObjectStorer) if !ok { return ErrLooseObjectsNotSupported } return los.DeleteLooseObject(hash) }
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// DeleteObject deletes an object from a repository. // The type conveniently matches PruneHandler.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/prune.go#L24-L31
train
src-d/go-git
_examples/revision/main.go
main
func main() { CheckArgs("<path>", "<revision>") path := os.Args[1] revision := os.Args[2] // We instantiate a new repository targeting the given path (the .git folder) r, err := git.PlainOpen(path) CheckIfError(err) // Resolve revision into a sha1 commit, only some revisions are resolved // look at the doc to get more details Info("git rev-parse %s", revision) h, err := r.ResolveRevision(plumbing.Revision(revision)) CheckIfError(err) fmt.Println(h.String()) }
go
func main() { CheckArgs("<path>", "<revision>") path := os.Args[1] revision := os.Args[2] // We instantiate a new repository targeting the given path (the .git folder) r, err := git.PlainOpen(path) CheckIfError(err) // Resolve revision into a sha1 commit, only some revisions are resolved // look at the doc to get more details Info("git rev-parse %s", revision) h, err := r.ResolveRevision(plumbing.Revision(revision)) CheckIfError(err) fmt.Println(h.String()) }
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// Example how to resolve a revision into its commit counterpart
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/_examples/revision/main.go#L13-L32
train
src-d/go-git
plumbing/transport/internal/common/common.go
NewUploadPackSession
func (c *client) NewUploadPackSession(ep *transport.Endpoint, auth transport.AuthMethod) ( transport.UploadPackSession, error) { return c.newSession(transport.UploadPackServiceName, ep, auth) }
go
func (c *client) NewUploadPackSession(ep *transport.Endpoint, auth transport.AuthMethod) ( transport.UploadPackSession, error) { return c.newSession(transport.UploadPackServiceName, ep, auth) }
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// NewUploadPackSession creates a new UploadPackSession.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/transport/internal/common/common.go#L86-L90
train
src-d/go-git
plumbing/transport/internal/common/common.go
NewReceivePackSession
func (c *client) NewReceivePackSession(ep *transport.Endpoint, auth transport.AuthMethod) ( transport.ReceivePackSession, error) { return c.newSession(transport.ReceivePackServiceName, ep, auth) }
go
func (c *client) NewReceivePackSession(ep *transport.Endpoint, auth transport.AuthMethod) ( transport.ReceivePackSession, error) { return c.newSession(transport.ReceivePackServiceName, ep, auth) }
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// NewReceivePackSession creates a new ReceivePackSession.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/transport/internal/common/common.go#L93-L97
train
src-d/go-git
plumbing/transport/internal/common/common.go
AdvertisedReferences
func (s *session) AdvertisedReferences() (*packp.AdvRefs, error) { if s.advRefs != nil { return s.advRefs, nil } ar := packp.NewAdvRefs() if err := ar.Decode(s.Stdout); err != nil { if err := s.handleAdvRefDecodeError(err); err != nil { return nil, err } } transport.FilterUnsupportedCapabilities(ar.Capabilities) s.advRefs = ar return ar, nil }
go
func (s *session) AdvertisedReferences() (*packp.AdvRefs, error) { if s.advRefs != nil { return s.advRefs, nil } ar := packp.NewAdvRefs() if err := ar.Decode(s.Stdout); err != nil { if err := s.handleAdvRefDecodeError(err); err != nil { return nil, err } } transport.FilterUnsupportedCapabilities(ar.Capabilities) s.advRefs = ar return ar, nil }
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// AdvertisedReferences retrieves the advertised references from the server.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/transport/internal/common/common.go#L166-L181
train
src-d/go-git
plumbing/transport/internal/common/common.go
UploadPack
func (s *session) UploadPack(ctx context.Context, req *packp.UploadPackRequest) (*packp.UploadPackResponse, error) { if req.IsEmpty() { return nil, transport.ErrEmptyUploadPackRequest } if err := req.Validate(); err != nil { return nil, err } if _, err := s.AdvertisedReferences(); err != nil { return nil, err } s.packRun = true in := s.StdinContext(ctx) out := s.StdoutContext(ctx) if err := uploadPack(in, out, req); err != nil { return nil, err } r, err := ioutil.NonEmptyReader(out) if err == ioutil.ErrEmptyReader { if c, ok := s.Stdout.(io.Closer); ok { _ = c.Close() } return nil, transport.ErrEmptyUploadPackRequest } if err != nil { return nil, err } rc := ioutil.NewReadCloser(r, s) return DecodeUploadPackResponse(rc, req) }
go
func (s *session) UploadPack(ctx context.Context, req *packp.UploadPackRequest) (*packp.UploadPackResponse, error) { if req.IsEmpty() { return nil, transport.ErrEmptyUploadPackRequest } if err := req.Validate(); err != nil { return nil, err } if _, err := s.AdvertisedReferences(); err != nil { return nil, err } s.packRun = true in := s.StdinContext(ctx) out := s.StdoutContext(ctx) if err := uploadPack(in, out, req); err != nil { return nil, err } r, err := ioutil.NonEmptyReader(out) if err == ioutil.ErrEmptyReader { if c, ok := s.Stdout.(io.Closer); ok { _ = c.Close() } return nil, transport.ErrEmptyUploadPackRequest } if err != nil { return nil, err } rc := ioutil.NewReadCloser(r, s) return DecodeUploadPackResponse(rc, req) }
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// UploadPack performs a request to the server to fetch a packfile. A reader is // returned with the packfile content. The reader must be closed after reading.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/transport/internal/common/common.go#L224-L261
train
src-d/go-git
plumbing/transport/internal/common/common.go
uploadPack
func uploadPack(w io.WriteCloser, r io.Reader, req *packp.UploadPackRequest) error { // TODO support multi_ack mode // TODO support multi_ack_detailed mode // TODO support acks for common objects // TODO build a proper state machine for all these processing options if err := req.UploadRequest.Encode(w); err != nil { return fmt.Errorf("sending upload-req message: %s", err) } if err := req.UploadHaves.Encode(w, true); err != nil { return fmt.Errorf("sending haves message: %s", err) } if err := sendDone(w); err != nil { return fmt.Errorf("sending done message: %s", err) } if err := w.Close(); err != nil { return fmt.Errorf("closing input: %s", err) } return nil }
go
func uploadPack(w io.WriteCloser, r io.Reader, req *packp.UploadPackRequest) error { // TODO support multi_ack mode // TODO support multi_ack_detailed mode // TODO support acks for common objects // TODO build a proper state machine for all these processing options if err := req.UploadRequest.Encode(w); err != nil { return fmt.Errorf("sending upload-req message: %s", err) } if err := req.UploadHaves.Encode(w, true); err != nil { return fmt.Errorf("sending haves message: %s", err) } if err := sendDone(w); err != nil { return fmt.Errorf("sending done message: %s", err) } if err := w.Close(); err != nil { return fmt.Errorf("closing input: %s", err) } return nil }
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// uploadPack implements the git-upload-pack protocol.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/transport/internal/common/common.go#L426-L449
train
src-d/go-git
plumbing/transport/internal/common/common.go
DecodeUploadPackResponse
func DecodeUploadPackResponse(r io.ReadCloser, req *packp.UploadPackRequest) ( *packp.UploadPackResponse, error, ) { res := packp.NewUploadPackResponse(req) if err := res.Decode(r); err != nil { return nil, fmt.Errorf("error decoding upload-pack response: %s", err) } return res, nil }
go
func DecodeUploadPackResponse(r io.ReadCloser, req *packp.UploadPackRequest) ( *packp.UploadPackResponse, error, ) { res := packp.NewUploadPackResponse(req) if err := res.Decode(r); err != nil { return nil, fmt.Errorf("error decoding upload-pack response: %s", err) } return res, nil }
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// DecodeUploadPackResponse decodes r into a new packp.UploadPackResponse
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/transport/internal/common/common.go#L458-L467
train
src-d/go-git
worktree.go
Pull
func (w *Worktree) Pull(o *PullOptions) error { return w.PullContext(context.Background(), o) }
go
func (w *Worktree) Pull(o *PullOptions) error { return w.PullContext(context.Background(), o) }
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// Pull incorporates changes from a remote repository into the current branch. // Returns nil if the operation is successful, NoErrAlreadyUpToDate if there are // no changes to be fetched, or an error. // // Pull only supports merges where the can be resolved as a fast-forward.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/worktree.go#L50-L52
train
src-d/go-git
worktree.go
PullContext
func (w *Worktree) PullContext(ctx context.Context, o *PullOptions) error { if err := o.Validate(); err != nil { return err } remote, err := w.r.Remote(o.RemoteName) if err != nil { return err } fetchHead, err := remote.fetch(ctx, &FetchOptions{ RemoteName: o.RemoteName, Depth: o.Depth, Auth: o.Auth, Progress: o.Progress, Force: o.Force, }) updated := true if err == NoErrAlreadyUpToDate { updated = false } else if err != nil { return err } ref, err := storer.ResolveReference(fetchHead, o.ReferenceName) if err != nil { return err } head, err := w.r.Head() if err == nil { if !updated && head.Hash() == ref.Hash() { return NoErrAlreadyUpToDate } ff, err := isFastForward(w.r.Storer, head.Hash(), ref.Hash()) if err != nil { return err } if !ff { return ErrNonFastForwardUpdate } } if err != nil && err != plumbing.ErrReferenceNotFound { return err } if err := w.updateHEAD(ref.Hash()); err != nil { return err } if err := w.Reset(&ResetOptions{ Mode: MergeReset, Commit: ref.Hash(), }); err != nil { return err } if o.RecurseSubmodules != NoRecurseSubmodules { return w.updateSubmodules(&SubmoduleUpdateOptions{ RecurseSubmodules: o.RecurseSubmodules, Auth: o.Auth, }) } return nil }
go
func (w *Worktree) PullContext(ctx context.Context, o *PullOptions) error { if err := o.Validate(); err != nil { return err } remote, err := w.r.Remote(o.RemoteName) if err != nil { return err } fetchHead, err := remote.fetch(ctx, &FetchOptions{ RemoteName: o.RemoteName, Depth: o.Depth, Auth: o.Auth, Progress: o.Progress, Force: o.Force, }) updated := true if err == NoErrAlreadyUpToDate { updated = false } else if err != nil { return err } ref, err := storer.ResolveReference(fetchHead, o.ReferenceName) if err != nil { return err } head, err := w.r.Head() if err == nil { if !updated && head.Hash() == ref.Hash() { return NoErrAlreadyUpToDate } ff, err := isFastForward(w.r.Storer, head.Hash(), ref.Hash()) if err != nil { return err } if !ff { return ErrNonFastForwardUpdate } } if err != nil && err != plumbing.ErrReferenceNotFound { return err } if err := w.updateHEAD(ref.Hash()); err != nil { return err } if err := w.Reset(&ResetOptions{ Mode: MergeReset, Commit: ref.Hash(), }); err != nil { return err } if o.RecurseSubmodules != NoRecurseSubmodules { return w.updateSubmodules(&SubmoduleUpdateOptions{ RecurseSubmodules: o.RecurseSubmodules, Auth: o.Auth, }) } return nil }
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// PullContext incorporates changes from a remote repository into the current // branch. Returns nil if the operation is successful, NoErrAlreadyUpToDate if // there are no changes to be fetched, or an error. // // Pull only supports merges where the can be resolved as a fast-forward. // // The provided Context must be non-nil. If the context expires before the // operation is complete, an error is returned. The context only affects to the // transport operations.
[ "PullContext", "incorporates", "changes", "from", "a", "remote", "repository", "into", "the", "current", "branch", ".", "Returns", "nil", "if", "the", "operation", "is", "successful", "NoErrAlreadyUpToDate", "if", "there", "are", "no", "changes", "to", "be", "fetched", "or", "an", "error", ".", "Pull", "only", "supports", "merges", "where", "the", "can", "be", "resolved", "as", "a", "fast", "-", "forward", ".", "The", "provided", "Context", "must", "be", "non", "-", "nil", ".", "If", "the", "context", "expires", "before", "the", "operation", "is", "complete", "an", "error", "is", "returned", ".", "The", "context", "only", "affects", "to", "the", "transport", "operations", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/worktree.go#L63-L132
train
src-d/go-git
worktree.go
Checkout
func (w *Worktree) Checkout(opts *CheckoutOptions) error { if err := opts.Validate(); err != nil { return err } if opts.Create { if err := w.createBranch(opts); err != nil { return err } } c, err := w.getCommitFromCheckoutOptions(opts) if err != nil { return err } ro := &ResetOptions{Commit: c, Mode: MergeReset} if opts.Force { ro.Mode = HardReset } if !opts.Hash.IsZero() && !opts.Create { err = w.setHEADToCommit(opts.Hash) } else { err = w.setHEADToBranch(opts.Branch, c) } if err != nil { return err } return w.Reset(ro) }
go
func (w *Worktree) Checkout(opts *CheckoutOptions) error { if err := opts.Validate(); err != nil { return err } if opts.Create { if err := w.createBranch(opts); err != nil { return err } } c, err := w.getCommitFromCheckoutOptions(opts) if err != nil { return err } ro := &ResetOptions{Commit: c, Mode: MergeReset} if opts.Force { ro.Mode = HardReset } if !opts.Hash.IsZero() && !opts.Create { err = w.setHEADToCommit(opts.Hash) } else { err = w.setHEADToBranch(opts.Branch, c) } if err != nil { return err } return w.Reset(ro) }
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// Checkout switch branches or restore working tree files.
[ "Checkout", "switch", "branches", "or", "restore", "working", "tree", "files", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/worktree.go#L144-L176
train
src-d/go-git
worktree.go
Reset
func (w *Worktree) Reset(opts *ResetOptions) error { if err := opts.Validate(w.r); err != nil { return err } if opts.Mode == MergeReset { unstaged, err := w.containsUnstagedChanges() if err != nil { return err } if unstaged { return ErrUnstagedChanges } } if err := w.setHEADCommit(opts.Commit); err != nil { return err } if opts.Mode == SoftReset { return nil } t, err := w.getTreeFromCommitHash(opts.Commit) if err != nil { return err } if opts.Mode == MixedReset || opts.Mode == MergeReset || opts.Mode == HardReset { if err := w.resetIndex(t); err != nil { return err } } if opts.Mode == MergeReset || opts.Mode == HardReset { if err := w.resetWorktree(t); err != nil { return err } } return nil }
go
func (w *Worktree) Reset(opts *ResetOptions) error { if err := opts.Validate(w.r); err != nil { return err } if opts.Mode == MergeReset { unstaged, err := w.containsUnstagedChanges() if err != nil { return err } if unstaged { return ErrUnstagedChanges } } if err := w.setHEADCommit(opts.Commit); err != nil { return err } if opts.Mode == SoftReset { return nil } t, err := w.getTreeFromCommitHash(opts.Commit) if err != nil { return err } if opts.Mode == MixedReset || opts.Mode == MergeReset || opts.Mode == HardReset { if err := w.resetIndex(t); err != nil { return err } } if opts.Mode == MergeReset || opts.Mode == HardReset { if err := w.resetWorktree(t); err != nil { return err } } return nil }
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// Reset the worktree to a specified state.
[ "Reset", "the", "worktree", "to", "a", "specified", "state", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/worktree.go#L256-L298
train
src-d/go-git
worktree.go
Submodule
func (w *Worktree) Submodule(name string) (*Submodule, error) { l, err := w.Submodules() if err != nil { return nil, err } for _, m := range l { if m.Config().Name == name { return m, nil } } return nil, ErrSubmoduleNotFound }
go
func (w *Worktree) Submodule(name string) (*Submodule, error) { l, err := w.Submodules() if err != nil { return nil, err } for _, m := range l { if m.Config().Name == name { return m, nil } } return nil, ErrSubmoduleNotFound }
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// Submodule returns the submodule with the given name
[ "Submodule", "returns", "the", "submodule", "with", "the", "given", "name" ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/worktree.go#L625-L638
train
src-d/go-git
worktree.go
Submodules
func (w *Worktree) Submodules() (Submodules, error) { l := make(Submodules, 0) m, err := w.readGitmodulesFile() if err != nil || m == nil { return l, err } c, err := w.r.Config() if err != nil { return nil, err } for _, s := range m.Submodules { l = append(l, w.newSubmodule(s, c.Submodules[s.Name])) } return l, nil }
go
func (w *Worktree) Submodules() (Submodules, error) { l := make(Submodules, 0) m, err := w.readGitmodulesFile() if err != nil || m == nil { return l, err } c, err := w.r.Config() if err != nil { return nil, err } for _, s := range m.Submodules { l = append(l, w.newSubmodule(s, c.Submodules[s.Name])) } return l, nil }
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// Submodules returns all the available submodules
[ "Submodules", "returns", "all", "the", "available", "submodules" ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/worktree.go#L641-L658
train
src-d/go-git
worktree.go
Clean
func (w *Worktree) Clean(opts *CleanOptions) error { s, err := w.Status() if err != nil { return err } root := "" files, err := w.Filesystem.ReadDir(root) if err != nil { return err } return w.doClean(s, opts, root, files) }
go
func (w *Worktree) Clean(opts *CleanOptions) error { s, err := w.Status() if err != nil { return err } root := "" files, err := w.Filesystem.ReadDir(root) if err != nil { return err } return w.doClean(s, opts, root, files) }
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// Clean the worktree by removing untracked files. // An empty dir could be removed - this is what `git clean -f -d .` does.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/worktree.go#L707-L719
train
src-d/go-git
worktree.go
Grep
func (w *Worktree) Grep(opts *GrepOptions) ([]GrepResult, error) { if err := opts.Validate(w); err != nil { return nil, err } // Obtain commit hash from options (CommitHash or ReferenceName). var commitHash plumbing.Hash // treeName contains the value of TreeName in GrepResult. var treeName string if opts.ReferenceName != "" { ref, err := w.r.Reference(opts.ReferenceName, true) if err != nil { return nil, err } commitHash = ref.Hash() treeName = opts.ReferenceName.String() } else if !opts.CommitHash.IsZero() { commitHash = opts.CommitHash treeName = opts.CommitHash.String() } // Obtain a tree from the commit hash and get a tracked files iterator from // the tree. tree, err := w.getTreeFromCommitHash(commitHash) if err != nil { return nil, err } fileiter := tree.Files() return findMatchInFiles(fileiter, treeName, opts) }
go
func (w *Worktree) Grep(opts *GrepOptions) ([]GrepResult, error) { if err := opts.Validate(w); err != nil { return nil, err } // Obtain commit hash from options (CommitHash or ReferenceName). var commitHash plumbing.Hash // treeName contains the value of TreeName in GrepResult. var treeName string if opts.ReferenceName != "" { ref, err := w.r.Reference(opts.ReferenceName, true) if err != nil { return nil, err } commitHash = ref.Hash() treeName = opts.ReferenceName.String() } else if !opts.CommitHash.IsZero() { commitHash = opts.CommitHash treeName = opts.CommitHash.String() } // Obtain a tree from the commit hash and get a tracked files iterator from // the tree. tree, err := w.getTreeFromCommitHash(commitHash) if err != nil { return nil, err } fileiter := tree.Files() return findMatchInFiles(fileiter, treeName, opts) }
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// Grep performs grep on a worktree.
[ "Grep", "performs", "grep", "on", "a", "worktree", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/worktree.go#L775-L806
train
src-d/go-git
worktree.go
findMatchInFiles
func findMatchInFiles(fileiter *object.FileIter, treeName string, opts *GrepOptions) ([]GrepResult, error) { var results []GrepResult err := fileiter.ForEach(func(file *object.File) error { var fileInPathSpec bool // When no pathspecs are provided, search all the files. if len(opts.PathSpecs) == 0 { fileInPathSpec = true } // Check if the file name matches with the pathspec. Break out of the // loop once a match is found. for _, pathSpec := range opts.PathSpecs { if pathSpec != nil && pathSpec.MatchString(file.Name) { fileInPathSpec = true break } } // If the file does not match with any of the pathspec, skip it. if !fileInPathSpec { return nil } grepResults, err := findMatchInFile(file, treeName, opts) if err != nil { return err } results = append(results, grepResults...) return nil }) return results, err }
go
func findMatchInFiles(fileiter *object.FileIter, treeName string, opts *GrepOptions) ([]GrepResult, error) { var results []GrepResult err := fileiter.ForEach(func(file *object.File) error { var fileInPathSpec bool // When no pathspecs are provided, search all the files. if len(opts.PathSpecs) == 0 { fileInPathSpec = true } // Check if the file name matches with the pathspec. Break out of the // loop once a match is found. for _, pathSpec := range opts.PathSpecs { if pathSpec != nil && pathSpec.MatchString(file.Name) { fileInPathSpec = true break } } // If the file does not match with any of the pathspec, skip it. if !fileInPathSpec { return nil } grepResults, err := findMatchInFile(file, treeName, opts) if err != nil { return err } results = append(results, grepResults...) return nil }) return results, err }
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// findMatchInFiles takes a FileIter, worktree name and GrepOptions, and // returns a slice of GrepResult containing the result of regex pattern matching // in content of all the files.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/worktree.go#L811-L846
train
src-d/go-git
worktree.go
findMatchInFile
func findMatchInFile(file *object.File, treeName string, opts *GrepOptions) ([]GrepResult, error) { var grepResults []GrepResult content, err := file.Contents() if err != nil { return grepResults, err } // Split the file content and parse line-by-line. contentByLine := strings.Split(content, "\n") for lineNum, cnt := range contentByLine { addToResult := false // Match the patterns and content. Break out of the loop once a // match is found. for _, pattern := range opts.Patterns { if pattern != nil && pattern.MatchString(cnt) { // Add to result only if invert match is not enabled. if !opts.InvertMatch { addToResult = true break } } else if opts.InvertMatch { // If matching fails, and invert match is enabled, add to // results. addToResult = true break } } if addToResult { grepResults = append(grepResults, GrepResult{ FileName: file.Name, LineNumber: lineNum + 1, Content: cnt, TreeName: treeName, }) } } return grepResults, nil }
go
func findMatchInFile(file *object.File, treeName string, opts *GrepOptions) ([]GrepResult, error) { var grepResults []GrepResult content, err := file.Contents() if err != nil { return grepResults, err } // Split the file content and parse line-by-line. contentByLine := strings.Split(content, "\n") for lineNum, cnt := range contentByLine { addToResult := false // Match the patterns and content. Break out of the loop once a // match is found. for _, pattern := range opts.Patterns { if pattern != nil && pattern.MatchString(cnt) { // Add to result only if invert match is not enabled. if !opts.InvertMatch { addToResult = true break } } else if opts.InvertMatch { // If matching fails, and invert match is enabled, add to // results. addToResult = true break } } if addToResult { grepResults = append(grepResults, GrepResult{ FileName: file.Name, LineNumber: lineNum + 1, Content: cnt, TreeName: treeName, }) } } return grepResults, nil }
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// findMatchInFile takes a single File, worktree name and GrepOptions, // and returns a slice of GrepResult containing the result of regex pattern // matching in the given file.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/worktree.go#L851-L892
train
src-d/go-git
plumbing/protocol/packp/advrefs_encode.go
Encode
func (a *AdvRefs) Encode(w io.Writer) error { e := newAdvRefsEncoder(w) return e.Encode(a) }
go
func (a *AdvRefs) Encode(w io.Writer) error { e := newAdvRefsEncoder(w) return e.Encode(a) }
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// Encode writes the AdvRefs encoding to a writer. // // All the payloads will end with a newline character. Capabilities, // references and shallows are written in alphabetical order, except for // peeled references that always follow their corresponding references.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/protocol/packp/advrefs_encode.go#L19-L22
train
src-d/go-git
utils/merkletrie/internal/fsnoder/file.go
newFile
func newFile(name, contents string) (*file, error) { if name == "" { return nil, fmt.Errorf("files cannot have empty names") } return &file{ name: name, contents: contents, }, nil }
go
func newFile(name, contents string) (*file, error) { if name == "" { return nil, fmt.Errorf("files cannot have empty names") } return &file{ name: name, contents: contents, }, nil }
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// newFile returns a noder representing a file with the given contents.
[ "newFile", "returns", "a", "noder", "representing", "a", "file", "with", "the", "given", "contents", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/utils/merkletrie/internal/fsnoder/file.go#L19-L28
train
src-d/go-git
utils/merkletrie/internal/fsnoder/file.go
Hash
func (f *file) Hash() []byte { if f.hash == nil { h := fnv.New64a() h.Write([]byte(f.contents)) // it nevers returns an error. f.hash = h.Sum(nil) } return f.hash }
go
func (f *file) Hash() []byte { if f.hash == nil { h := fnv.New64a() h.Write([]byte(f.contents)) // it nevers returns an error. f.hash = h.Sum(nil) } return f.hash }
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// The hash of a file is just its contents. // Empty files will have the fnv64 basis offset as its hash.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/utils/merkletrie/internal/fsnoder/file.go#L32-L40
train
src-d/go-git
repository.go
Init
func Init(s storage.Storer, worktree billy.Filesystem) (*Repository, error) { if err := initStorer(s); err != nil { return nil, err } r := newRepository(s, worktree) _, err := r.Reference(plumbing.HEAD, false) switch err { case plumbing.ErrReferenceNotFound: case nil: return nil, ErrRepositoryAlreadyExists default: return nil, err } h := plumbing.NewSymbolicReference(plumbing.HEAD, plumbing.Master) if err := s.SetReference(h); err != nil { return nil, err } if worktree == nil { r.setIsBare(true) return r, nil } return r, setWorktreeAndStoragePaths(r, worktree) }
go
func Init(s storage.Storer, worktree billy.Filesystem) (*Repository, error) { if err := initStorer(s); err != nil { return nil, err } r := newRepository(s, worktree) _, err := r.Reference(plumbing.HEAD, false) switch err { case plumbing.ErrReferenceNotFound: case nil: return nil, ErrRepositoryAlreadyExists default: return nil, err } h := plumbing.NewSymbolicReference(plumbing.HEAD, plumbing.Master) if err := s.SetReference(h); err != nil { return nil, err } if worktree == nil { r.setIsBare(true) return r, nil } return r, setWorktreeAndStoragePaths(r, worktree) }
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// Init creates an empty git repository, based on the given Storer and worktree. // The worktree Filesystem is optional, if nil a bare repository is created. If // the given storer is not empty ErrRepositoryAlreadyExists is returned
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L70-L96
train
src-d/go-git
repository.go
Clone
func Clone(s storage.Storer, worktree billy.Filesystem, o *CloneOptions) (*Repository, error) { return CloneContext(context.Background(), s, worktree, o) }
go
func Clone(s storage.Storer, worktree billy.Filesystem, o *CloneOptions) (*Repository, error) { return CloneContext(context.Background(), s, worktree, o) }
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// Clone a repository into the given Storer and worktree Filesystem with the // given options, if worktree is nil a bare repository is created. If the given // storer is not empty ErrRepositoryAlreadyExists is returned. // // The provided Context must be non-nil. If the context expires before the // operation is complete, an error is returned. The context only affects to the // transport operations.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L192-L194
train
src-d/go-git
repository.go
CloneContext
func CloneContext( ctx context.Context, s storage.Storer, worktree billy.Filesystem, o *CloneOptions, ) (*Repository, error) { r, err := Init(s, worktree) if err != nil { return nil, err } return r, r.clone(ctx, o) }
go
func CloneContext( ctx context.Context, s storage.Storer, worktree billy.Filesystem, o *CloneOptions, ) (*Repository, error) { r, err := Init(s, worktree) if err != nil { return nil, err } return r, r.clone(ctx, o) }
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// CloneContext a repository into the given Storer and worktree Filesystem with // the given options, if worktree is nil a bare repository is created. If the // given storer is not empty ErrRepositoryAlreadyExists is returned. // // The provided Context must be non-nil. If the context expires before the // operation is complete, an error is returned. The context only affects to the // transport operations.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L203-L212
train
src-d/go-git
repository.go
PlainOpenWithOptions
func PlainOpenWithOptions(path string, o *PlainOpenOptions) (*Repository, error) { dot, wt, err := dotGitToOSFilesystems(path, o.DetectDotGit) if err != nil { return nil, err } if _, err := dot.Stat(""); err != nil { if os.IsNotExist(err) { return nil, ErrRepositoryNotExists } return nil, err } s := filesystem.NewStorage(dot, cache.NewObjectLRUDefault()) return Open(s, wt) }
go
func PlainOpenWithOptions(path string, o *PlainOpenOptions) (*Repository, error) { dot, wt, err := dotGitToOSFilesystems(path, o.DetectDotGit) if err != nil { return nil, err } if _, err := dot.Stat(""); err != nil { if os.IsNotExist(err) { return nil, ErrRepositoryNotExists } return nil, err } s := filesystem.NewStorage(dot, cache.NewObjectLRUDefault()) return Open(s, wt) }
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// PlainOpenWithOptions opens a git repository from the given path with specific // options. See PlainOpen for more info.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L241-L258
train
src-d/go-git
repository.go
Remote
func (r *Repository) Remote(name string) (*Remote, error) { cfg, err := r.Storer.Config() if err != nil { return nil, err } c, ok := cfg.Remotes[name] if !ok { return nil, ErrRemoteNotFound } return newRemote(r.Storer, c), nil }
go
func (r *Repository) Remote(name string) (*Remote, error) { cfg, err := r.Storer.Config() if err != nil { return nil, err } c, ok := cfg.Remotes[name] if !ok { return nil, ErrRemoteNotFound } return newRemote(r.Storer, c), nil }
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// Remote return a remote if exists
[ "Remote", "return", "a", "remote", "if", "exists" ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L443-L455
train
src-d/go-git
repository.go
Remotes
func (r *Repository) Remotes() ([]*Remote, error) { cfg, err := r.Storer.Config() if err != nil { return nil, err } remotes := make([]*Remote, len(cfg.Remotes)) var i int for _, c := range cfg.Remotes { remotes[i] = newRemote(r.Storer, c) i++ } return remotes, nil }
go
func (r *Repository) Remotes() ([]*Remote, error) { cfg, err := r.Storer.Config() if err != nil { return nil, err } remotes := make([]*Remote, len(cfg.Remotes)) var i int for _, c := range cfg.Remotes { remotes[i] = newRemote(r.Storer, c) i++ } return remotes, nil }
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// Remotes returns a list with all the remotes
[ "Remotes", "returns", "a", "list", "with", "all", "the", "remotes" ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L458-L473
train
src-d/go-git
repository.go
CreateRemote
func (r *Repository) CreateRemote(c *config.RemoteConfig) (*Remote, error) { if err := c.Validate(); err != nil { return nil, err } remote := newRemote(r.Storer, c) cfg, err := r.Storer.Config() if err != nil { return nil, err } if _, ok := cfg.Remotes[c.Name]; ok { return nil, ErrRemoteExists } cfg.Remotes[c.Name] = c return remote, r.Storer.SetConfig(cfg) }
go
func (r *Repository) CreateRemote(c *config.RemoteConfig) (*Remote, error) { if err := c.Validate(); err != nil { return nil, err } remote := newRemote(r.Storer, c) cfg, err := r.Storer.Config() if err != nil { return nil, err } if _, ok := cfg.Remotes[c.Name]; ok { return nil, ErrRemoteExists } cfg.Remotes[c.Name] = c return remote, r.Storer.SetConfig(cfg) }
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// CreateRemote creates a new remote
[ "CreateRemote", "creates", "a", "new", "remote" ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L476-L494
train
src-d/go-git
repository.go
CreateRemoteAnonymous
func (r *Repository) CreateRemoteAnonymous(c *config.RemoteConfig) (*Remote, error) { if err := c.Validate(); err != nil { return nil, err } if c.Name != "anonymous" { return nil, ErrAnonymousRemoteName } remote := newRemote(r.Storer, c) return remote, nil }
go
func (r *Repository) CreateRemoteAnonymous(c *config.RemoteConfig) (*Remote, error) { if err := c.Validate(); err != nil { return nil, err } if c.Name != "anonymous" { return nil, ErrAnonymousRemoteName } remote := newRemote(r.Storer, c) return remote, nil }
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// CreateRemoteAnonymous creates a new anonymous remote. c.Name must be "anonymous". // It's used like 'git fetch [email protected]:src-d/go-git.git master:master'.
[ "CreateRemoteAnonymous", "creates", "a", "new", "anonymous", "remote", ".", "c", ".", "Name", "must", "be", "anonymous", ".", "It", "s", "used", "like", "git", "fetch", "git" ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L498-L510
train
src-d/go-git
repository.go
DeleteRemote
func (r *Repository) DeleteRemote(name string) error { cfg, err := r.Storer.Config() if err != nil { return err } if _, ok := cfg.Remotes[name]; !ok { return ErrRemoteNotFound } delete(cfg.Remotes, name) return r.Storer.SetConfig(cfg) }
go
func (r *Repository) DeleteRemote(name string) error { cfg, err := r.Storer.Config() if err != nil { return err } if _, ok := cfg.Remotes[name]; !ok { return ErrRemoteNotFound } delete(cfg.Remotes, name) return r.Storer.SetConfig(cfg) }
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// DeleteRemote delete a remote from the repository and delete the config
[ "DeleteRemote", "delete", "a", "remote", "from", "the", "repository", "and", "delete", "the", "config" ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L513-L525
train
src-d/go-git
repository.go
Branch
func (r *Repository) Branch(name string) (*config.Branch, error) { cfg, err := r.Storer.Config() if err != nil { return nil, err } b, ok := cfg.Branches[name] if !ok { return nil, ErrBranchNotFound } return b, nil }
go
func (r *Repository) Branch(name string) (*config.Branch, error) { cfg, err := r.Storer.Config() if err != nil { return nil, err } b, ok := cfg.Branches[name] if !ok { return nil, ErrBranchNotFound } return b, nil }
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// Branch return a Branch if exists
[ "Branch", "return", "a", "Branch", "if", "exists" ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L528-L540
train
src-d/go-git
repository.go
CreateBranch
func (r *Repository) CreateBranch(c *config.Branch) error { if err := c.Validate(); err != nil { return err } cfg, err := r.Storer.Config() if err != nil { return err } if _, ok := cfg.Branches[c.Name]; ok { return ErrBranchExists } cfg.Branches[c.Name] = c return r.Storer.SetConfig(cfg) }
go
func (r *Repository) CreateBranch(c *config.Branch) error { if err := c.Validate(); err != nil { return err } cfg, err := r.Storer.Config() if err != nil { return err } if _, ok := cfg.Branches[c.Name]; ok { return ErrBranchExists } cfg.Branches[c.Name] = c return r.Storer.SetConfig(cfg) }
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// CreateBranch creates a new Branch
[ "CreateBranch", "creates", "a", "new", "Branch" ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L543-L559
train
src-d/go-git
repository.go
DeleteBranch
func (r *Repository) DeleteBranch(name string) error { cfg, err := r.Storer.Config() if err != nil { return err } if _, ok := cfg.Branches[name]; !ok { return ErrBranchNotFound } delete(cfg.Branches, name) return r.Storer.SetConfig(cfg) }
go
func (r *Repository) DeleteBranch(name string) error { cfg, err := r.Storer.Config() if err != nil { return err } if _, ok := cfg.Branches[name]; !ok { return ErrBranchNotFound } delete(cfg.Branches, name) return r.Storer.SetConfig(cfg) }
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// DeleteBranch delete a Branch from the repository and delete the config
[ "DeleteBranch", "delete", "a", "Branch", "from", "the", "repository", "and", "delete", "the", "config" ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L562-L574
train
src-d/go-git
repository.go
CreateTag
func (r *Repository) CreateTag(name string, hash plumbing.Hash, opts *CreateTagOptions) (*plumbing.Reference, error) { rname := plumbing.ReferenceName(path.Join("refs", "tags", name)) _, err := r.Storer.Reference(rname) switch err { case nil: // Tag exists, this is an error return nil, ErrTagExists case plumbing.ErrReferenceNotFound: // Tag missing, available for creation, pass this default: // Some other error return nil, err } var target plumbing.Hash if opts != nil { target, err = r.createTagObject(name, hash, opts) if err != nil { return nil, err } } else { target = hash } ref := plumbing.NewHashReference(rname, target) if err = r.Storer.SetReference(ref); err != nil { return nil, err } return ref, nil }
go
func (r *Repository) CreateTag(name string, hash plumbing.Hash, opts *CreateTagOptions) (*plumbing.Reference, error) { rname := plumbing.ReferenceName(path.Join("refs", "tags", name)) _, err := r.Storer.Reference(rname) switch err { case nil: // Tag exists, this is an error return nil, ErrTagExists case plumbing.ErrReferenceNotFound: // Tag missing, available for creation, pass this default: // Some other error return nil, err } var target plumbing.Hash if opts != nil { target, err = r.createTagObject(name, hash, opts) if err != nil { return nil, err } } else { target = hash } ref := plumbing.NewHashReference(rname, target) if err = r.Storer.SetReference(ref); err != nil { return nil, err } return ref, nil }
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// CreateTag creates a tag. If opts is included, the tag is an annotated tag, // otherwise a lightweight tag is created.
[ "CreateTag", "creates", "a", "tag", ".", "If", "opts", "is", "included", "the", "tag", "is", "an", "annotated", "tag", "otherwise", "a", "lightweight", "tag", "is", "created", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L578-L609
train
src-d/go-git
repository.go
DeleteTag
func (r *Repository) DeleteTag(name string) error { _, err := r.Tag(name) if err != nil { return err } return r.Storer.RemoveReference(plumbing.ReferenceName(path.Join("refs", "tags", name))) }
go
func (r *Repository) DeleteTag(name string) error { _, err := r.Tag(name) if err != nil { return err } return r.Storer.RemoveReference(plumbing.ReferenceName(path.Join("refs", "tags", name))) }
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// DeleteTag deletes a tag from the repository.
[ "DeleteTag", "deletes", "a", "tag", "from", "the", "repository", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L700-L707
train
src-d/go-git
repository.go
clone
func (r *Repository) clone(ctx context.Context, o *CloneOptions) error { if err := o.Validate(); err != nil { return err } c := &config.RemoteConfig{ Name: o.RemoteName, URLs: []string{o.URL}, Fetch: r.cloneRefSpec(o), } if _, err := r.CreateRemote(c); err != nil { return err } ref, err := r.fetchAndUpdateReferences(ctx, &FetchOptions{ RefSpecs: c.Fetch, Depth: o.Depth, Auth: o.Auth, Progress: o.Progress, Tags: o.Tags, RemoteName: o.RemoteName, }, o.ReferenceName) if err != nil { return err } if r.wt != nil && !o.NoCheckout { w, err := r.Worktree() if err != nil { return err } head, err := r.Head() if err != nil { return err } if err := w.Reset(&ResetOptions{ Mode: MergeReset, Commit: head.Hash(), }); err != nil { return err } if o.RecurseSubmodules != NoRecurseSubmodules { if err := w.updateSubmodules(&SubmoduleUpdateOptions{ RecurseSubmodules: o.RecurseSubmodules, Auth: o.Auth, }); err != nil { return err } } } if err := r.updateRemoteConfigIfNeeded(o, c, ref); err != nil { return err } if ref.Name().IsBranch() { branchRef := ref.Name() branchName := strings.Split(string(branchRef), "refs/heads/")[1] b := &config.Branch{ Name: branchName, Merge: branchRef, } if o.RemoteName == "" { b.Remote = "origin" } else { b.Remote = o.RemoteName } if err := r.CreateBranch(b); err != nil { return err } } return nil }
go
func (r *Repository) clone(ctx context.Context, o *CloneOptions) error { if err := o.Validate(); err != nil { return err } c := &config.RemoteConfig{ Name: o.RemoteName, URLs: []string{o.URL}, Fetch: r.cloneRefSpec(o), } if _, err := r.CreateRemote(c); err != nil { return err } ref, err := r.fetchAndUpdateReferences(ctx, &FetchOptions{ RefSpecs: c.Fetch, Depth: o.Depth, Auth: o.Auth, Progress: o.Progress, Tags: o.Tags, RemoteName: o.RemoteName, }, o.ReferenceName) if err != nil { return err } if r.wt != nil && !o.NoCheckout { w, err := r.Worktree() if err != nil { return err } head, err := r.Head() if err != nil { return err } if err := w.Reset(&ResetOptions{ Mode: MergeReset, Commit: head.Hash(), }); err != nil { return err } if o.RecurseSubmodules != NoRecurseSubmodules { if err := w.updateSubmodules(&SubmoduleUpdateOptions{ RecurseSubmodules: o.RecurseSubmodules, Auth: o.Auth, }); err != nil { return err } } } if err := r.updateRemoteConfigIfNeeded(o, c, ref); err != nil { return err } if ref.Name().IsBranch() { branchRef := ref.Name() branchName := strings.Split(string(branchRef), "refs/heads/")[1] b := &config.Branch{ Name: branchName, Merge: branchRef, } if o.RemoteName == "" { b.Remote = "origin" } else { b.Remote = o.RemoteName } if err := r.CreateBranch(b); err != nil { return err } } return nil }
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// Clone clones a remote repository
[ "Clone", "clones", "a", "remote", "repository" ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L729-L807
train
src-d/go-git
repository.go
Fetch
func (r *Repository) Fetch(o *FetchOptions) error { return r.FetchContext(context.Background(), o) }
go
func (r *Repository) Fetch(o *FetchOptions) error { return r.FetchContext(context.Background(), o) }
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// Fetch fetches references along with the objects necessary to complete // their histories, from the remote named as FetchOptions.RemoteName. // // Returns nil if the operation is successful, NoErrAlreadyUpToDate if there are // no changes to be fetched, or an error.
[ "Fetch", "fetches", "references", "along", "with", "the", "objects", "necessary", "to", "complete", "their", "histories", "from", "the", "remote", "named", "as", "FetchOptions", ".", "RemoteName", ".", "Returns", "nil", "if", "the", "operation", "is", "successful", "NoErrAlreadyUpToDate", "if", "there", "are", "no", "changes", "to", "be", "fetched", "or", "an", "error", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L992-L994
train
src-d/go-git
repository.go
FetchContext
func (r *Repository) FetchContext(ctx context.Context, o *FetchOptions) error { if err := o.Validate(); err != nil { return err } remote, err := r.Remote(o.RemoteName) if err != nil { return err } return remote.FetchContext(ctx, o) }
go
func (r *Repository) FetchContext(ctx context.Context, o *FetchOptions) error { if err := o.Validate(); err != nil { return err } remote, err := r.Remote(o.RemoteName) if err != nil { return err } return remote.FetchContext(ctx, o) }
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// FetchContext fetches references along with the objects necessary to complete // their histories, from the remote named as FetchOptions.RemoteName. // // Returns nil if the operation is successful, NoErrAlreadyUpToDate if there are // no changes to be fetched, or an error. // // The provided Context must be non-nil. If the context expires before the // operation is complete, an error is returned. The context only affects to the // transport operations.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L1005-L1016
train
src-d/go-git
repository.go
PushContext
func (r *Repository) PushContext(ctx context.Context, o *PushOptions) error { if err := o.Validate(); err != nil { return err } remote, err := r.Remote(o.RemoteName) if err != nil { return err } return remote.PushContext(ctx, o) }
go
func (r *Repository) PushContext(ctx context.Context, o *PushOptions) error { if err := o.Validate(); err != nil { return err } remote, err := r.Remote(o.RemoteName) if err != nil { return err } return remote.PushContext(ctx, o) }
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// PushContext performs a push to the remote. Returns NoErrAlreadyUpToDate if // the remote was already up-to-date, from the remote named as // FetchOptions.RemoteName. // // The provided Context must be non-nil. If the context expires before the // operation is complete, an error is returned. The context only affects to the // transport operations.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L1032-L1043
train
src-d/go-git
repository.go
Log
func (r *Repository) Log(o *LogOptions) (object.CommitIter, error) { fn := commitIterFunc(o.Order) if fn == nil { return nil, fmt.Errorf("invalid Order=%v", o.Order) } var ( it object.CommitIter err error ) if o.All { it, err = r.logAll(fn) } else { it, err = r.log(o.From, fn) } if err != nil { return nil, err } if o.FileName != nil { // for `git log --all` also check parent (if the next commit comes from the real parent) it = r.logWithFile(*o.FileName, it, o.All) } return it, nil }
go
func (r *Repository) Log(o *LogOptions) (object.CommitIter, error) { fn := commitIterFunc(o.Order) if fn == nil { return nil, fmt.Errorf("invalid Order=%v", o.Order) } var ( it object.CommitIter err error ) if o.All { it, err = r.logAll(fn) } else { it, err = r.log(o.From, fn) } if err != nil { return nil, err } if o.FileName != nil { // for `git log --all` also check parent (if the next commit comes from the real parent) it = r.logWithFile(*o.FileName, it, o.All) } return it, nil }
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// Log returns the commit history from the given LogOptions.
[ "Log", "returns", "the", "commit", "history", "from", "the", "given", "LogOptions", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L1046-L1072
train
src-d/go-git
repository.go
Branches
func (r *Repository) Branches() (storer.ReferenceIter, error) { refIter, err := r.Storer.IterReferences() if err != nil { return nil, err } return storer.NewReferenceFilteredIter( func(r *plumbing.Reference) bool { return r.Name().IsBranch() }, refIter), nil }
go
func (r *Repository) Branches() (storer.ReferenceIter, error) { refIter, err := r.Storer.IterReferences() if err != nil { return nil, err } return storer.NewReferenceFilteredIter( func(r *plumbing.Reference) bool { return r.Name().IsBranch() }, refIter), nil }
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// Branches returns all the References that are Branches.
[ "Branches", "returns", "all", "the", "References", "that", "are", "Branches", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L1164-L1174
train
src-d/go-git
repository.go
TreeObject
func (r *Repository) TreeObject(h plumbing.Hash) (*object.Tree, error) { return object.GetTree(r.Storer, h) }
go
func (r *Repository) TreeObject(h plumbing.Hash) (*object.Tree, error) { return object.GetTree(r.Storer, h) }
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// TreeObject return a Tree with the given hash. If not found // plumbing.ErrObjectNotFound is returned
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L1192-L1194
train
src-d/go-git
repository.go
TreeObjects
func (r *Repository) TreeObjects() (*object.TreeIter, error) { iter, err := r.Storer.IterEncodedObjects(plumbing.TreeObject) if err != nil { return nil, err } return object.NewTreeIter(r.Storer, iter), nil }
go
func (r *Repository) TreeObjects() (*object.TreeIter, error) { iter, err := r.Storer.IterEncodedObjects(plumbing.TreeObject) if err != nil { return nil, err } return object.NewTreeIter(r.Storer, iter), nil }
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// TreeObjects returns an unsorted TreeIter with all the trees in the repository
[ "TreeObjects", "returns", "an", "unsorted", "TreeIter", "with", "all", "the", "trees", "in", "the", "repository" ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L1197-L1204
train
src-d/go-git
repository.go
CommitObject
func (r *Repository) CommitObject(h plumbing.Hash) (*object.Commit, error) { return object.GetCommit(r.Storer, h) }
go
func (r *Repository) CommitObject(h plumbing.Hash) (*object.Commit, error) { return object.GetCommit(r.Storer, h) }
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// CommitObject return a Commit with the given hash. If not found // plumbing.ErrObjectNotFound is returned.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L1208-L1210
train
src-d/go-git
repository.go
CommitObjects
func (r *Repository) CommitObjects() (object.CommitIter, error) { iter, err := r.Storer.IterEncodedObjects(plumbing.CommitObject) if err != nil { return nil, err } return object.NewCommitIter(r.Storer, iter), nil }
go
func (r *Repository) CommitObjects() (object.CommitIter, error) { iter, err := r.Storer.IterEncodedObjects(plumbing.CommitObject) if err != nil { return nil, err } return object.NewCommitIter(r.Storer, iter), nil }
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// CommitObjects returns an unsorted CommitIter with all the commits in the repository.
[ "CommitObjects", "returns", "an", "unsorted", "CommitIter", "with", "all", "the", "commits", "in", "the", "repository", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L1213-L1220
train
src-d/go-git
repository.go
BlobObject
func (r *Repository) BlobObject(h plumbing.Hash) (*object.Blob, error) { return object.GetBlob(r.Storer, h) }
go
func (r *Repository) BlobObject(h plumbing.Hash) (*object.Blob, error) { return object.GetBlob(r.Storer, h) }
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// BlobObject returns a Blob with the given hash. If not found // plumbing.ErrObjectNotFound is returned.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L1224-L1226
train
src-d/go-git
repository.go
BlobObjects
func (r *Repository) BlobObjects() (*object.BlobIter, error) { iter, err := r.Storer.IterEncodedObjects(plumbing.BlobObject) if err != nil { return nil, err } return object.NewBlobIter(r.Storer, iter), nil }
go
func (r *Repository) BlobObjects() (*object.BlobIter, error) { iter, err := r.Storer.IterEncodedObjects(plumbing.BlobObject) if err != nil { return nil, err } return object.NewBlobIter(r.Storer, iter), nil }
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// BlobObjects returns an unsorted BlobIter with all the blobs in the repository.
[ "BlobObjects", "returns", "an", "unsorted", "BlobIter", "with", "all", "the", "blobs", "in", "the", "repository", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L1229-L1236
train
src-d/go-git
repository.go
TagObject
func (r *Repository) TagObject(h plumbing.Hash) (*object.Tag, error) { return object.GetTag(r.Storer, h) }
go
func (r *Repository) TagObject(h plumbing.Hash) (*object.Tag, error) { return object.GetTag(r.Storer, h) }
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// TagObject returns a Tag with the given hash. If not found // plumbing.ErrObjectNotFound is returned. This method only returns // annotated Tags, no lightweight Tags.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L1241-L1243
train
src-d/go-git
repository.go
TagObjects
func (r *Repository) TagObjects() (*object.TagIter, error) { iter, err := r.Storer.IterEncodedObjects(plumbing.TagObject) if err != nil { return nil, err } return object.NewTagIter(r.Storer, iter), nil }
go
func (r *Repository) TagObjects() (*object.TagIter, error) { iter, err := r.Storer.IterEncodedObjects(plumbing.TagObject) if err != nil { return nil, err } return object.NewTagIter(r.Storer, iter), nil }
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// TagObjects returns a unsorted TagIter that can step through all of the annotated // tags in the repository.
[ "TagObjects", "returns", "a", "unsorted", "TagIter", "that", "can", "step", "through", "all", "of", "the", "annotated", "tags", "in", "the", "repository", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L1247-L1254
train
src-d/go-git
repository.go
Object
func (r *Repository) Object(t plumbing.ObjectType, h plumbing.Hash) (object.Object, error) { obj, err := r.Storer.EncodedObject(t, h) if err != nil { return nil, err } return object.DecodeObject(r.Storer, obj) }
go
func (r *Repository) Object(t plumbing.ObjectType, h plumbing.Hash) (object.Object, error) { obj, err := r.Storer.EncodedObject(t, h) if err != nil { return nil, err } return object.DecodeObject(r.Storer, obj) }
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// Object returns an Object with the given hash. If not found // plumbing.ErrObjectNotFound is returned.
[ "Object", "returns", "an", "Object", "with", "the", "given", "hash", ".", "If", "not", "found", "plumbing", ".", "ErrObjectNotFound", "is", "returned", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L1258-L1265
train
src-d/go-git
repository.go
Objects
func (r *Repository) Objects() (*object.ObjectIter, error) { iter, err := r.Storer.IterEncodedObjects(plumbing.AnyObject) if err != nil { return nil, err } return object.NewObjectIter(r.Storer, iter), nil }
go
func (r *Repository) Objects() (*object.ObjectIter, error) { iter, err := r.Storer.IterEncodedObjects(plumbing.AnyObject) if err != nil { return nil, err } return object.NewObjectIter(r.Storer, iter), nil }
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// Objects returns an unsorted ObjectIter with all the objects in the repository.
[ "Objects", "returns", "an", "unsorted", "ObjectIter", "with", "all", "the", "objects", "in", "the", "repository", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L1268-L1275
train
src-d/go-git
repository.go
Head
func (r *Repository) Head() (*plumbing.Reference, error) { return storer.ResolveReference(r.Storer, plumbing.HEAD) }
go
func (r *Repository) Head() (*plumbing.Reference, error) { return storer.ResolveReference(r.Storer, plumbing.HEAD) }
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// Head returns the reference where HEAD is pointing to.
[ "Head", "returns", "the", "reference", "where", "HEAD", "is", "pointing", "to", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L1278-L1280
train
src-d/go-git
repository.go
Reference
func (r *Repository) Reference(name plumbing.ReferenceName, resolved bool) ( *plumbing.Reference, error) { if resolved { return storer.ResolveReference(r.Storer, name) } return r.Storer.Reference(name) }
go
func (r *Repository) Reference(name plumbing.ReferenceName, resolved bool) ( *plumbing.Reference, error) { if resolved { return storer.ResolveReference(r.Storer, name) } return r.Storer.Reference(name) }
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// Reference returns the reference for a given reference name. If resolved is // true, any symbolic reference will be resolved.
[ "Reference", "returns", "the", "reference", "for", "a", "given", "reference", "name", ".", "If", "resolved", "is", "true", "any", "symbolic", "reference", "will", "be", "resolved", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L1284-L1292
train
src-d/go-git
repository.go
Worktree
func (r *Repository) Worktree() (*Worktree, error) { if r.wt == nil { return nil, ErrIsBareRepository } return &Worktree{r: r, Filesystem: r.wt}, nil }
go
func (r *Repository) Worktree() (*Worktree, error) { if r.wt == nil { return nil, ErrIsBareRepository } return &Worktree{r: r, Filesystem: r.wt}, nil }
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// Worktree returns a worktree based on the given fs, if nil the default // worktree will be used.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L1301-L1307
train
src-d/go-git
repository.go
createNewObjectPack
func (r *Repository) createNewObjectPack(cfg *RepackConfig) (h plumbing.Hash, err error) { ow := newObjectWalker(r.Storer) err = ow.walkAllRefs() if err != nil { return h, err } objs := make([]plumbing.Hash, 0, len(ow.seen)) for h := range ow.seen { objs = append(objs, h) } pfw, ok := r.Storer.(storer.PackfileWriter) if !ok { return h, fmt.Errorf("Repository storer is not a storer.PackfileWriter") } wc, err := pfw.PackfileWriter() if err != nil { return h, err } defer ioutil.CheckClose(wc, &err) scfg, err := r.Storer.Config() if err != nil { return h, err } enc := packfile.NewEncoder(wc, r.Storer, cfg.UseRefDeltas) h, err = enc.Encode(objs, scfg.Pack.Window) if err != nil { return h, err } // Delete the packed, loose objects. if los, ok := r.Storer.(storer.LooseObjectStorer); ok { err = los.ForEachObjectHash(func(hash plumbing.Hash) error { if ow.isSeen(hash) { err = los.DeleteLooseObject(hash) if err != nil { return err } } return nil }) if err != nil { return h, err } } return h, err }
go
func (r *Repository) createNewObjectPack(cfg *RepackConfig) (h plumbing.Hash, err error) { ow := newObjectWalker(r.Storer) err = ow.walkAllRefs() if err != nil { return h, err } objs := make([]plumbing.Hash, 0, len(ow.seen)) for h := range ow.seen { objs = append(objs, h) } pfw, ok := r.Storer.(storer.PackfileWriter) if !ok { return h, fmt.Errorf("Repository storer is not a storer.PackfileWriter") } wc, err := pfw.PackfileWriter() if err != nil { return h, err } defer ioutil.CheckClose(wc, &err) scfg, err := r.Storer.Config() if err != nil { return h, err } enc := packfile.NewEncoder(wc, r.Storer, cfg.UseRefDeltas) h, err = enc.Encode(objs, scfg.Pack.Window) if err != nil { return h, err } // Delete the packed, loose objects. if los, ok := r.Storer.(storer.LooseObjectStorer); ok { err = los.ForEachObjectHash(func(hash plumbing.Hash) error { if ow.isSeen(hash) { err = los.DeleteLooseObject(hash) if err != nil { return err } } return nil }) if err != nil { return h, err } } return h, err }
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// createNewObjectPack is a helper for RepackObjects taking care // of creating a new pack. It is used so the the PackfileWriter // deferred close has the right scope.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/repository.go#L1506-L1552
train
src-d/go-git
plumbing/protocol/packp/updreq_encode.go
Encode
func (r *ReferenceUpdateRequest) Encode(w io.Writer) error { if err := r.validate(); err != nil { return err } e := pktline.NewEncoder(w) if err := r.encodeShallow(e, r.Shallow); err != nil { return err } if err := r.encodeCommands(e, r.Commands, r.Capabilities); err != nil { return err } if r.Packfile != nil { if _, err := io.Copy(w, r.Packfile); err != nil { return err } return r.Packfile.Close() } return nil }
go
func (r *ReferenceUpdateRequest) Encode(w io.Writer) error { if err := r.validate(); err != nil { return err } e := pktline.NewEncoder(w) if err := r.encodeShallow(e, r.Shallow); err != nil { return err } if err := r.encodeCommands(e, r.Commands, r.Capabilities); err != nil { return err } if r.Packfile != nil { if _, err := io.Copy(w, r.Packfile); err != nil { return err } return r.Packfile.Close() } return nil }
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// Encode writes the ReferenceUpdateRequest encoding to the stream.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/protocol/packp/updreq_encode.go#L17-L41
train
src-d/go-git
config/branch.go
Validate
func (b *Branch) Validate() error { if b.Name == "" { return errBranchEmptyName } if b.Merge != "" && !b.Merge.IsBranch() { return errBranchInvalidMerge } return nil }
go
func (b *Branch) Validate() error { if b.Name == "" { return errBranchEmptyName } if b.Merge != "" && !b.Merge.IsBranch() { return errBranchInvalidMerge } return nil }
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// Validate validates fields of branch
[ "Validate", "validates", "fields", "of", "branch" ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/config/branch.go#L29-L39
train
src-d/go-git
_examples/context/main.go
main
func main() { CheckArgs("<url>", "<directory>") url := os.Args[1] directory := os.Args[2] // Clone the given repository to the given directory Info("git clone %s %s", url, directory) stop := make(chan os.Signal, 1) signal.Notify(stop, os.Interrupt) // The context is the mechanism used by go-git, to support deadlines and // cancellation signals. ctx, cancel := context.WithCancel(context.Background()) defer cancel() // cancel when we are finished consuming integers go func() { <-stop Warning("\nSignal detected, canceling operation...") cancel() }() Warning("To gracefully stop the clone operation, push Crtl-C.") // Using PlainCloneContext we can provide to a context, if the context // is cancelled, the clone operation stops gracefully. _, err := git.PlainCloneContext(ctx, directory, false, &git.CloneOptions{ URL: url, Progress: os.Stdout, }) // If the context was cancelled, an error is returned. CheckIfError(err) }
go
func main() { CheckArgs("<url>", "<directory>") url := os.Args[1] directory := os.Args[2] // Clone the given repository to the given directory Info("git clone %s %s", url, directory) stop := make(chan os.Signal, 1) signal.Notify(stop, os.Interrupt) // The context is the mechanism used by go-git, to support deadlines and // cancellation signals. ctx, cancel := context.WithCancel(context.Background()) defer cancel() // cancel when we are finished consuming integers go func() { <-stop Warning("\nSignal detected, canceling operation...") cancel() }() Warning("To gracefully stop the clone operation, push Crtl-C.") // Using PlainCloneContext we can provide to a context, if the context // is cancelled, the clone operation stops gracefully. _, err := git.PlainCloneContext(ctx, directory, false, &git.CloneOptions{ URL: url, Progress: os.Stdout, }) // If the context was cancelled, an error is returned. CheckIfError(err) }
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// Graceful cancellation example of a basic git operation such as Clone.
[ "Graceful", "cancellation", "example", "of", "a", "basic", "git", "operation", "such", "as", "Clone", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/_examples/context/main.go#L13-L46
train
src-d/go-git
utils/binary/read.go
ReadUntil
func ReadUntil(r io.Reader, delim byte) ([]byte, error) { if bufr, ok := r.(*bufio.Reader); ok { return ReadUntilFromBufioReader(bufr, delim) } var buf [1]byte value := make([]byte, 0, 16) for { if _, err := io.ReadFull(r, buf[:]); err != nil { if err == io.EOF { return nil, err } return nil, err } if buf[0] == delim { return value, nil } value = append(value, buf[0]) } }
go
func ReadUntil(r io.Reader, delim byte) ([]byte, error) { if bufr, ok := r.(*bufio.Reader); ok { return ReadUntilFromBufioReader(bufr, delim) } var buf [1]byte value := make([]byte, 0, 16) for { if _, err := io.ReadFull(r, buf[:]); err != nil { if err == io.EOF { return nil, err } return nil, err } if buf[0] == delim { return value, nil } value = append(value, buf[0]) } }
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// ReadUntil reads from r untin delim is found
[ "ReadUntil", "reads", "from", "r", "untin", "delim", "is", "found" ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/utils/binary/read.go#L27-L49
train
src-d/go-git
utils/binary/read.go
ReadUntilFromBufioReader
func ReadUntilFromBufioReader(r *bufio.Reader, delim byte) ([]byte, error) { value, err := r.ReadBytes(delim) if err != nil || len(value) == 0 { return nil, err } return value[:len(value)-1], nil }
go
func ReadUntilFromBufioReader(r *bufio.Reader, delim byte) ([]byte, error) { value, err := r.ReadBytes(delim) if err != nil || len(value) == 0 { return nil, err } return value[:len(value)-1], nil }
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// ReadUntilFromBufioReader is like bufio.ReadBytes but drops the delimiter // from the result.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/utils/binary/read.go#L53-L60
train
src-d/go-git
utils/binary/read.go
ReadUint64
func ReadUint64(r io.Reader) (uint64, error) { var v uint64 if err := binary.Read(r, binary.BigEndian, &v); err != nil { return 0, err } return v, nil }
go
func ReadUint64(r io.Reader) (uint64, error) { var v uint64 if err := binary.Read(r, binary.BigEndian, &v); err != nil { return 0, err } return v, nil }
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// ReadUint64 reads 8 bytes and returns them as a BigEndian uint32
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/utils/binary/read.go#L113-L120
train
src-d/go-git
utils/binary/read.go
ReadUint32
func ReadUint32(r io.Reader) (uint32, error) { var v uint32 if err := binary.Read(r, binary.BigEndian, &v); err != nil { return 0, err } return v, nil }
go
func ReadUint32(r io.Reader) (uint32, error) { var v uint32 if err := binary.Read(r, binary.BigEndian, &v); err != nil { return 0, err } return v, nil }
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// ReadUint32 reads 4 bytes and returns them as a BigEndian uint32
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/utils/binary/read.go#L123-L130
train
src-d/go-git
utils/binary/read.go
ReadUint16
func ReadUint16(r io.Reader) (uint16, error) { var v uint16 if err := binary.Read(r, binary.BigEndian, &v); err != nil { return 0, err } return v, nil }
go
func ReadUint16(r io.Reader) (uint16, error) { var v uint16 if err := binary.Read(r, binary.BigEndian, &v); err != nil { return 0, err } return v, nil }
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// ReadUint16 reads 2 bytes and returns them as a BigEndian uint16
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/utils/binary/read.go#L133-L140
train
src-d/go-git
utils/binary/read.go
ReadHash
func ReadHash(r io.Reader) (plumbing.Hash, error) { var h plumbing.Hash if err := binary.Read(r, binary.BigEndian, h[:]); err != nil { return plumbing.ZeroHash, err } return h, nil }
go
func ReadHash(r io.Reader) (plumbing.Hash, error) { var h plumbing.Hash if err := binary.Read(r, binary.BigEndian, h[:]); err != nil { return plumbing.ZeroHash, err } return h, nil }
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// ReadHash reads a plumbing.Hash from r
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/utils/binary/read.go#L143-L150
train
src-d/go-git
utils/merkletrie/difftree.go
DiffTree
func DiffTree(fromTree, toTree noder.Noder, hashEqual noder.Equal) (Changes, error) { return DiffTreeContext(context.Background(), fromTree, toTree, hashEqual) }
go
func DiffTree(fromTree, toTree noder.Noder, hashEqual noder.Equal) (Changes, error) { return DiffTreeContext(context.Background(), fromTree, toTree, hashEqual) }
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// DiffTree calculates the list of changes between two merkletries. It // uses the provided hashEqual callback to compare noders.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/utils/merkletrie/difftree.go#L264-L267
train
src-d/go-git
utils/merkletrie/difftree.go
DiffTreeContext
func DiffTreeContext(ctx context.Context, fromTree, toTree noder.Noder, hashEqual noder.Equal) (Changes, error) { ret := NewChanges() ii, err := newDoubleIter(fromTree, toTree, hashEqual) if err != nil { return nil, err } for { select { case <-ctx.Done(): return nil, ErrCanceled default: } from := ii.from.current to := ii.to.current switch r := ii.remaining(); r { case noMoreNoders: return ret, nil case onlyFromRemains: if err = ret.AddRecursiveDelete(from); err != nil { return nil, err } if err = ii.nextFrom(); err != nil { return nil, err } case onlyToRemains: if err = ret.AddRecursiveInsert(to); err != nil { return nil, err } if err = ii.nextTo(); err != nil { return nil, err } case bothHaveNodes: if err = diffNodes(&ret, ii); err != nil { return nil, err } default: panic(fmt.Sprintf("unknown remaining value: %d", r)) } } }
go
func DiffTreeContext(ctx context.Context, fromTree, toTree noder.Noder, hashEqual noder.Equal) (Changes, error) { ret := NewChanges() ii, err := newDoubleIter(fromTree, toTree, hashEqual) if err != nil { return nil, err } for { select { case <-ctx.Done(): return nil, ErrCanceled default: } from := ii.from.current to := ii.to.current switch r := ii.remaining(); r { case noMoreNoders: return ret, nil case onlyFromRemains: if err = ret.AddRecursiveDelete(from); err != nil { return nil, err } if err = ii.nextFrom(); err != nil { return nil, err } case onlyToRemains: if err = ret.AddRecursiveInsert(to); err != nil { return nil, err } if err = ii.nextTo(); err != nil { return nil, err } case bothHaveNodes: if err = diffNodes(&ret, ii); err != nil { return nil, err } default: panic(fmt.Sprintf("unknown remaining value: %d", r)) } } }
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// DiffTree calculates the list of changes between two merkletries. It // uses the provided hashEqual callback to compare noders. // Error will be returned if context expires // Provided context must be non nil
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/utils/merkletrie/difftree.go#L273-L317
train
src-d/go-git
storage/memory/storage.go
NewStorage
func NewStorage() *Storage { return &Storage{ ReferenceStorage: make(ReferenceStorage), ConfigStorage: ConfigStorage{}, ShallowStorage: ShallowStorage{}, ObjectStorage: ObjectStorage{ Objects: make(map[plumbing.Hash]plumbing.EncodedObject), Commits: make(map[plumbing.Hash]plumbing.EncodedObject), Trees: make(map[plumbing.Hash]plumbing.EncodedObject), Blobs: make(map[plumbing.Hash]plumbing.EncodedObject), Tags: make(map[plumbing.Hash]plumbing.EncodedObject), }, ModuleStorage: make(ModuleStorage), } }
go
func NewStorage() *Storage { return &Storage{ ReferenceStorage: make(ReferenceStorage), ConfigStorage: ConfigStorage{}, ShallowStorage: ShallowStorage{}, ObjectStorage: ObjectStorage{ Objects: make(map[plumbing.Hash]plumbing.EncodedObject), Commits: make(map[plumbing.Hash]plumbing.EncodedObject), Trees: make(map[plumbing.Hash]plumbing.EncodedObject), Blobs: make(map[plumbing.Hash]plumbing.EncodedObject), Tags: make(map[plumbing.Hash]plumbing.EncodedObject), }, ModuleStorage: make(ModuleStorage), } }
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// NewStorage returns a new Storage base on memory
[ "NewStorage", "returns", "a", "new", "Storage", "base", "on", "memory" ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/storage/memory/storage.go#L31-L45
train
src-d/go-git
plumbing/format/packfile/fsobject.go
NewFSObject
func NewFSObject( hash plumbing.Hash, finalType plumbing.ObjectType, offset int64, contentSize int64, index idxfile.Index, fs billy.Filesystem, path string, cache cache.Object, ) *FSObject { return &FSObject{ hash: hash, offset: offset, size: contentSize, typ: finalType, index: index, fs: fs, path: path, cache: cache, } }
go
func NewFSObject( hash plumbing.Hash, finalType plumbing.ObjectType, offset int64, contentSize int64, index idxfile.Index, fs billy.Filesystem, path string, cache cache.Object, ) *FSObject { return &FSObject{ hash: hash, offset: offset, size: contentSize, typ: finalType, index: index, fs: fs, path: path, cache: cache, } }
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// NewFSObject creates a new filesystem object.
[ "NewFSObject", "creates", "a", "new", "filesystem", "object", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/format/packfile/fsobject.go#L26-L46
train
src-d/go-git
plumbing/format/packfile/fsobject.go
Reader
func (o *FSObject) Reader() (io.ReadCloser, error) { obj, ok := o.cache.Get(o.hash) if ok && obj != o { reader, err := obj.Reader() if err != nil { return nil, err } return reader, nil } f, err := o.fs.Open(o.path) if err != nil { return nil, err } p := NewPackfileWithCache(o.index, nil, f, o.cache) r, err := p.getObjectContent(o.offset) if err != nil { _ = f.Close() return nil, err } if err := f.Close(); err != nil { return nil, err } return r, nil }
go
func (o *FSObject) Reader() (io.ReadCloser, error) { obj, ok := o.cache.Get(o.hash) if ok && obj != o { reader, err := obj.Reader() if err != nil { return nil, err } return reader, nil } f, err := o.fs.Open(o.path) if err != nil { return nil, err } p := NewPackfileWithCache(o.index, nil, f, o.cache) r, err := p.getObjectContent(o.offset) if err != nil { _ = f.Close() return nil, err } if err := f.Close(); err != nil { return nil, err } return r, nil }
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// Reader implements the plumbing.EncodedObject interface.
[ "Reader", "implements", "the", "plumbing", ".", "EncodedObject", "interface", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/format/packfile/fsobject.go#L49-L77
train
src-d/go-git
plumbing/object/tag.go
GetTag
func GetTag(s storer.EncodedObjectStorer, h plumbing.Hash) (*Tag, error) { o, err := s.EncodedObject(plumbing.TagObject, h) if err != nil { return nil, err } return DecodeTag(s, o) }
go
func GetTag(s storer.EncodedObjectStorer, h plumbing.Hash) (*Tag, error) { o, err := s.EncodedObject(plumbing.TagObject, h) if err != nil { return nil, err } return DecodeTag(s, o) }
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// GetTag gets a tag from an object storer and decodes it.
[ "GetTag", "gets", "a", "tag", "from", "an", "object", "storer", "and", "decodes", "it", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/object/tag.go#L47-L54
train
src-d/go-git
plumbing/object/tag.go
Decode
func (t *Tag) Decode(o plumbing.EncodedObject) (err error) { if o.Type() != plumbing.TagObject { return ErrUnsupportedObject } t.Hash = o.Hash() reader, err := o.Reader() if err != nil { return err } defer ioutil.CheckClose(reader, &err) r := bufPool.Get().(*bufio.Reader) defer bufPool.Put(r) r.Reset(reader) for { var line []byte line, err = r.ReadBytes('\n') if err != nil && err != io.EOF { return err } line = bytes.TrimSpace(line) if len(line) == 0 { break // Start of message } split := bytes.SplitN(line, []byte{' '}, 2) switch string(split[0]) { case "object": t.Target = plumbing.NewHash(string(split[1])) case "type": t.TargetType, err = plumbing.ParseObjectType(string(split[1])) if err != nil { return err } case "tag": t.Name = string(split[1]) case "tagger": t.Tagger.Decode(split[1]) } if err == io.EOF { return nil } } data, err := stdioutil.ReadAll(r) if err != nil { return err } var pgpsig bool // Check if data contains PGP signature. if bytes.Contains(data, []byte(beginpgp)) { // Split the lines at newline. messageAndSig := bytes.Split(data, []byte("\n")) for _, l := range messageAndSig { if pgpsig { if bytes.Contains(l, []byte(endpgp)) { t.PGPSignature += endpgp + "\n" break } else { t.PGPSignature += string(l) + "\n" } continue } // Check if it's the beginning of a PGP signature. if bytes.Contains(l, []byte(beginpgp)) { t.PGPSignature += beginpgp + "\n" pgpsig = true continue } t.Message += string(l) + "\n" } } else { t.Message = string(data) } return nil }
go
func (t *Tag) Decode(o plumbing.EncodedObject) (err error) { if o.Type() != plumbing.TagObject { return ErrUnsupportedObject } t.Hash = o.Hash() reader, err := o.Reader() if err != nil { return err } defer ioutil.CheckClose(reader, &err) r := bufPool.Get().(*bufio.Reader) defer bufPool.Put(r) r.Reset(reader) for { var line []byte line, err = r.ReadBytes('\n') if err != nil && err != io.EOF { return err } line = bytes.TrimSpace(line) if len(line) == 0 { break // Start of message } split := bytes.SplitN(line, []byte{' '}, 2) switch string(split[0]) { case "object": t.Target = plumbing.NewHash(string(split[1])) case "type": t.TargetType, err = plumbing.ParseObjectType(string(split[1])) if err != nil { return err } case "tag": t.Name = string(split[1]) case "tagger": t.Tagger.Decode(split[1]) } if err == io.EOF { return nil } } data, err := stdioutil.ReadAll(r) if err != nil { return err } var pgpsig bool // Check if data contains PGP signature. if bytes.Contains(data, []byte(beginpgp)) { // Split the lines at newline. messageAndSig := bytes.Split(data, []byte("\n")) for _, l := range messageAndSig { if pgpsig { if bytes.Contains(l, []byte(endpgp)) { t.PGPSignature += endpgp + "\n" break } else { t.PGPSignature += string(l) + "\n" } continue } // Check if it's the beginning of a PGP signature. if bytes.Contains(l, []byte(beginpgp)) { t.PGPSignature += beginpgp + "\n" pgpsig = true continue } t.Message += string(l) + "\n" } } else { t.Message = string(data) } return nil }
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// Decode transforms a plumbing.EncodedObject into a Tag struct.
[ "Decode", "transforms", "a", "plumbing", ".", "EncodedObject", "into", "a", "Tag", "struct", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/object/tag.go#L83-L167
train
src-d/go-git
plumbing/object/tag.go
Encode
func (t *Tag) Encode(o plumbing.EncodedObject) error { return t.encode(o, true) }
go
func (t *Tag) Encode(o plumbing.EncodedObject) error { return t.encode(o, true) }
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// Encode transforms a Tag into a plumbing.EncodedObject.
[ "Encode", "transforms", "a", "Tag", "into", "a", "plumbing", ".", "EncodedObject", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/object/tag.go#L170-L172
train
src-d/go-git
plumbing/object/tag.go
Commit
func (t *Tag) Commit() (*Commit, error) { if t.TargetType != plumbing.CommitObject { return nil, ErrUnsupportedObject } o, err := t.s.EncodedObject(plumbing.CommitObject, t.Target) if err != nil { return nil, err } return DecodeCommit(t.s, o) }
go
func (t *Tag) Commit() (*Commit, error) { if t.TargetType != plumbing.CommitObject { return nil, ErrUnsupportedObject } o, err := t.s.EncodedObject(plumbing.CommitObject, t.Target) if err != nil { return nil, err } return DecodeCommit(t.s, o) }
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// Commit returns the commit pointed to by the tag. If the tag points to a // different type of object ErrUnsupportedObject will be returned.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/object/tag.go#L221-L232
train
src-d/go-git
plumbing/object/tag.go
Tree
func (t *Tag) Tree() (*Tree, error) { switch t.TargetType { case plumbing.CommitObject: c, err := t.Commit() if err != nil { return nil, err } return c.Tree() case plumbing.TreeObject: return GetTree(t.s, t.Target) default: return nil, ErrUnsupportedObject } }
go
func (t *Tag) Tree() (*Tree, error) { switch t.TargetType { case plumbing.CommitObject: c, err := t.Commit() if err != nil { return nil, err } return c.Tree() case plumbing.TreeObject: return GetTree(t.s, t.Target) default: return nil, ErrUnsupportedObject } }
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// Tree returns the tree pointed to by the tag. If the tag points to a commit // object the tree of that commit will be returned. If the tag does not point // to a commit or tree object ErrUnsupportedObject will be returned.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/object/tag.go#L237-L251
train
src-d/go-git
plumbing/object/tag.go
Blob
func (t *Tag) Blob() (*Blob, error) { if t.TargetType != plumbing.BlobObject { return nil, ErrUnsupportedObject } return GetBlob(t.s, t.Target) }
go
func (t *Tag) Blob() (*Blob, error) { if t.TargetType != plumbing.BlobObject { return nil, ErrUnsupportedObject } return GetBlob(t.s, t.Target) }
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// Blob returns the blob pointed to by the tag. If the tag points to a // different type of object ErrUnsupportedObject will be returned.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/object/tag.go#L255-L261
train
src-d/go-git
plumbing/object/tag.go
Object
func (t *Tag) Object() (Object, error) { o, err := t.s.EncodedObject(t.TargetType, t.Target) if err != nil { return nil, err } return DecodeObject(t.s, o) }
go
func (t *Tag) Object() (Object, error) { o, err := t.s.EncodedObject(t.TargetType, t.Target) if err != nil { return nil, err } return DecodeObject(t.s, o) }
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// Object returns the object pointed to by the tag.
[ "Object", "returns", "the", "object", "pointed", "to", "by", "the", "tag", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/object/tag.go#L264-L271
train
src-d/go-git
plumbing/object/tag.go
String
func (t *Tag) String() string { obj, _ := t.Object() return fmt.Sprintf( "%s %s\nTagger: %s\nDate: %s\n\n%s\n%s", plumbing.TagObject, t.Name, t.Tagger.String(), t.Tagger.When.Format(DateFormat), t.Message, objectAsString(obj), ) }
go
func (t *Tag) String() string { obj, _ := t.Object() return fmt.Sprintf( "%s %s\nTagger: %s\nDate: %s\n\n%s\n%s", plumbing.TagObject, t.Name, t.Tagger.String(), t.Tagger.When.Format(DateFormat), t.Message, objectAsString(obj), ) }
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// String returns the meta information contained in the tag as a formatted // string.
[ "String", "returns", "the", "meta", "information", "contained", "in", "the", "tag", "as", "a", "formatted", "string", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/object/tag.go#L275-L283
train
src-d/go-git
plumbing/object/tag.go
Verify
func (t *Tag) Verify(armoredKeyRing string) (*openpgp.Entity, error) { keyRingReader := strings.NewReader(armoredKeyRing) keyring, err := openpgp.ReadArmoredKeyRing(keyRingReader) if err != nil { return nil, err } // Extract signature. signature := strings.NewReader(t.PGPSignature) encoded := &plumbing.MemoryObject{} // Encode tag components, excluding signature and get a reader object. if err := t.EncodeWithoutSignature(encoded); err != nil { return nil, err } er, err := encoded.Reader() if err != nil { return nil, err } return openpgp.CheckArmoredDetachedSignature(keyring, er, signature) }
go
func (t *Tag) Verify(armoredKeyRing string) (*openpgp.Entity, error) { keyRingReader := strings.NewReader(armoredKeyRing) keyring, err := openpgp.ReadArmoredKeyRing(keyRingReader) if err != nil { return nil, err } // Extract signature. signature := strings.NewReader(t.PGPSignature) encoded := &plumbing.MemoryObject{} // Encode tag components, excluding signature and get a reader object. if err := t.EncodeWithoutSignature(encoded); err != nil { return nil, err } er, err := encoded.Reader() if err != nil { return nil, err } return openpgp.CheckArmoredDetachedSignature(keyring, er, signature) }
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// Verify performs PGP verification of the tag with a provided armored // keyring and returns openpgp.Entity associated with verifying key on success.
[ "Verify", "performs", "PGP", "verification", "of", "the", "tag", "with", "a", "provided", "armored", "keyring", "and", "returns", "openpgp", ".", "Entity", "associated", "with", "verifying", "key", "on", "success", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/object/tag.go#L287-L308
train
src-d/go-git
plumbing/object/tag.go
Next
func (iter *TagIter) Next() (*Tag, error) { obj, err := iter.EncodedObjectIter.Next() if err != nil { return nil, err } return DecodeTag(iter.s, obj) }
go
func (iter *TagIter) Next() (*Tag, error) { obj, err := iter.EncodedObjectIter.Next() if err != nil { return nil, err } return DecodeTag(iter.s, obj) }
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// Next moves the iterator to the next tag and returns a pointer to it. If // there are no more tags, it returns io.EOF.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/object/tag.go#L327-L334
train
src-d/go-git
plumbing/object/tag.go
ForEach
func (iter *TagIter) ForEach(cb func(*Tag) error) error { return iter.EncodedObjectIter.ForEach(func(obj plumbing.EncodedObject) error { t, err := DecodeTag(iter.s, obj) if err != nil { return err } return cb(t) }) }
go
func (iter *TagIter) ForEach(cb func(*Tag) error) error { return iter.EncodedObjectIter.ForEach(func(obj plumbing.EncodedObject) error { t, err := DecodeTag(iter.s, obj) if err != nil { return err } return cb(t) }) }
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// ForEach call the cb function for each tag contained on this iter until // an error happens or the end of the iter is reached. If ErrStop is sent // the iteration is stop but no error is returned. The iterator is closed.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/object/tag.go#L339-L348
train
src-d/go-git
plumbing/format/packfile/scanner.go
NewScanner
func NewScanner(r io.Reader) *Scanner { _, ok := r.(io.ReadSeeker) crc := crc32.NewIEEE() return &Scanner{ r: newScannerReader(r, crc), crc: crc, IsSeekable: ok, } }
go
func NewScanner(r io.Reader) *Scanner { _, ok := r.(io.ReadSeeker) crc := crc32.NewIEEE() return &Scanner{ r: newScannerReader(r, crc), crc: crc, IsSeekable: ok, } }
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// NewScanner returns a new Scanner based on a reader, if the given reader // implements io.ReadSeeker the Scanner will be also Seekable
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/format/packfile/scanner.go#L57-L66
train
src-d/go-git
plumbing/format/packfile/scanner.go
readSignature
func (s *Scanner) readSignature() ([]byte, error) { var sig = make([]byte, 4) if _, err := io.ReadFull(s.r, sig); err != nil { return []byte{}, err } return sig, nil }
go
func (s *Scanner) readSignature() ([]byte, error) { var sig = make([]byte, 4) if _, err := io.ReadFull(s.r, sig); err != nil { return []byte{}, err } return sig, nil }
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// readSignature reads an returns the signature field in the packfile.
[ "readSignature", "reads", "an", "returns", "the", "signature", "field", "in", "the", "packfile", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/format/packfile/scanner.go#L118-L125
train
src-d/go-git
plumbing/format/packfile/scanner.go
isValidSignature
func (s *Scanner) isValidSignature(sig []byte) bool { return bytes.Equal(sig, signature) }
go
func (s *Scanner) isValidSignature(sig []byte) bool { return bytes.Equal(sig, signature) }
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// isValidSignature returns if sig is a valid packfile signature.
[ "isValidSignature", "returns", "if", "sig", "is", "a", "valid", "packfile", "signature", "." ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/format/packfile/scanner.go#L128-L130
train
src-d/go-git
plumbing/format/packfile/scanner.go
SeekObjectHeader
func (s *Scanner) SeekObjectHeader(offset int64) (*ObjectHeader, error) { // if seeking we assume that you are not interested in the header if s.version == 0 { s.version = VersionSupported } if _, err := s.r.Seek(offset, io.SeekStart); err != nil { return nil, err } h, err := s.nextObjectHeader() if err != nil { return nil, err } h.Offset = offset return h, nil }
go
func (s *Scanner) SeekObjectHeader(offset int64) (*ObjectHeader, error) { // if seeking we assume that you are not interested in the header if s.version == 0 { s.version = VersionSupported } if _, err := s.r.Seek(offset, io.SeekStart); err != nil { return nil, err } h, err := s.nextObjectHeader() if err != nil { return nil, err } h.Offset = offset return h, nil }
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// SeekObjectHeader seeks to specified offset and returns the ObjectHeader // for the next object in the reader
[ "SeekObjectHeader", "seeks", "to", "specified", "offset", "and", "returns", "the", "ObjectHeader", "for", "the", "next", "object", "in", "the", "reader" ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/format/packfile/scanner.go#L150-L167
train
src-d/go-git
plumbing/format/packfile/scanner.go
NextObjectHeader
func (s *Scanner) NextObjectHeader() (*ObjectHeader, error) { if err := s.doPending(); err != nil { return nil, err } offset, err := s.r.Seek(0, io.SeekCurrent) if err != nil { return nil, err } h, err := s.nextObjectHeader() if err != nil { return nil, err } h.Offset = offset return h, nil }
go
func (s *Scanner) NextObjectHeader() (*ObjectHeader, error) { if err := s.doPending(); err != nil { return nil, err } offset, err := s.r.Seek(0, io.SeekCurrent) if err != nil { return nil, err } h, err := s.nextObjectHeader() if err != nil { return nil, err } h.Offset = offset return h, nil }
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// NextObjectHeader returns the ObjectHeader for the next object in the reader
[ "NextObjectHeader", "returns", "the", "ObjectHeader", "for", "the", "next", "object", "in", "the", "reader" ]
e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/format/packfile/scanner.go#L170-L187
train
src-d/go-git
plumbing/format/packfile/scanner.go
nextObjectHeader
func (s *Scanner) nextObjectHeader() (*ObjectHeader, error) { s.r.Flush() s.crc.Reset() h := &ObjectHeader{} s.pendingObject = h var err error h.Offset, err = s.r.Seek(0, io.SeekCurrent) if err != nil { return nil, err } h.Type, h.Length, err = s.readObjectTypeAndLength() if err != nil { return nil, err } switch h.Type { case plumbing.OFSDeltaObject: no, err := binary.ReadVariableWidthInt(s.r) if err != nil { return nil, err } h.OffsetReference = h.Offset - no case plumbing.REFDeltaObject: var err error h.Reference, err = binary.ReadHash(s.r) if err != nil { return nil, err } } return h, nil }
go
func (s *Scanner) nextObjectHeader() (*ObjectHeader, error) { s.r.Flush() s.crc.Reset() h := &ObjectHeader{} s.pendingObject = h var err error h.Offset, err = s.r.Seek(0, io.SeekCurrent) if err != nil { return nil, err } h.Type, h.Length, err = s.readObjectTypeAndLength() if err != nil { return nil, err } switch h.Type { case plumbing.OFSDeltaObject: no, err := binary.ReadVariableWidthInt(s.r) if err != nil { return nil, err } h.OffsetReference = h.Offset - no case plumbing.REFDeltaObject: var err error h.Reference, err = binary.ReadHash(s.r) if err != nil { return nil, err } } return h, nil }
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// nextObjectHeader returns the ObjectHeader for the next object in the reader // without the Offset field
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/format/packfile/scanner.go#L191-L226
train
src-d/go-git
plumbing/format/packfile/scanner.go
readObjectTypeAndLength
func (s *Scanner) readObjectTypeAndLength() (plumbing.ObjectType, int64, error) { t, c, err := s.readType() if err != nil { return t, 0, err } l, err := s.readLength(c) return t, l, err }
go
func (s *Scanner) readObjectTypeAndLength() (plumbing.ObjectType, int64, error) { t, c, err := s.readType() if err != nil { return t, 0, err } l, err := s.readLength(c) return t, l, err }
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// ReadObjectTypeAndLength reads and returns the object type and the // length field from an object entry in a packfile.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/format/packfile/scanner.go#L263-L272
train
src-d/go-git
plumbing/format/packfile/scanner.go
readLength
func (s *Scanner) readLength(first byte) (int64, error) { length := int64(first & maskFirstLength) c := first shift := firstLengthBits var err error for c&maskContinue > 0 { if c, err = s.r.ReadByte(); err != nil { return 0, err } length += int64(c&maskLength) << shift shift += lengthBits } return length, nil }
go
func (s *Scanner) readLength(first byte) (int64, error) { length := int64(first & maskFirstLength) c := first shift := firstLengthBits var err error for c&maskContinue > 0 { if c, err = s.r.ReadByte(); err != nil { return 0, err } length += int64(c&maskLength) << shift shift += lengthBits } return length, nil }
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// the length is codified in the last 4 bits of the first byte and in // the last 7 bits of subsequent bytes. Last byte has a 0 MSB.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/format/packfile/scanner.go#L292-L308
train
src-d/go-git
plumbing/format/packfile/scanner.go
NextObject
func (s *Scanner) NextObject(w io.Writer) (written int64, crc32 uint32, err error) { s.pendingObject = nil written, err = s.copyObject(w) s.r.Flush() crc32 = s.crc.Sum32() s.crc.Reset() return }
go
func (s *Scanner) NextObject(w io.Writer) (written int64, crc32 uint32, err error) { s.pendingObject = nil written, err = s.copyObject(w) s.r.Flush() crc32 = s.crc.Sum32() s.crc.Reset() return }
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// NextObject writes the content of the next object into the reader, returns // the number of bytes written, the CRC32 of the content and an error, if any
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/format/packfile/scanner.go#L312-L321
train
src-d/go-git
plumbing/format/packfile/scanner.go
copyObject
func (s *Scanner) copyObject(w io.Writer) (n int64, err error) { zr := zlibReaderPool.Get().(io.ReadCloser) defer zlibReaderPool.Put(zr) if err = zr.(zlib.Resetter).Reset(s.r, nil); err != nil { return 0, fmt.Errorf("zlib reset error: %s", err) } defer ioutil.CheckClose(zr, &err) buf := byteSlicePool.Get().([]byte) n, err = io.CopyBuffer(w, zr, buf) byteSlicePool.Put(buf) return }
go
func (s *Scanner) copyObject(w io.Writer) (n int64, err error) { zr := zlibReaderPool.Get().(io.ReadCloser) defer zlibReaderPool.Put(zr) if err = zr.(zlib.Resetter).Reset(s.r, nil); err != nil { return 0, fmt.Errorf("zlib reset error: %s", err) } defer ioutil.CheckClose(zr, &err) buf := byteSlicePool.Get().([]byte) n, err = io.CopyBuffer(w, zr, buf) byteSlicePool.Put(buf) return }
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// ReadRegularObject reads and write a non-deltified object // from it zlib stream in an object entry in the packfile.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/format/packfile/scanner.go#L325-L338
train
src-d/go-git
plumbing/format/packfile/scanner.go
SeekFromStart
func (s *Scanner) SeekFromStart(offset int64) (previous int64, err error) { // if seeking we assume that you are not interested in the header if s.version == 0 { s.version = VersionSupported } previous, err = s.r.Seek(0, io.SeekCurrent) if err != nil { return -1, err } _, err = s.r.Seek(offset, io.SeekStart) return previous, err }
go
func (s *Scanner) SeekFromStart(offset int64) (previous int64, err error) { // if seeking we assume that you are not interested in the header if s.version == 0 { s.version = VersionSupported } previous, err = s.r.Seek(0, io.SeekCurrent) if err != nil { return -1, err } _, err = s.r.Seek(offset, io.SeekStart) return previous, err }
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// SeekFromStart sets a new offset from start, returns the old position before // the change.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/format/packfile/scanner.go#L348-L361
train
src-d/go-git
plumbing/format/packfile/scanner.go
Checksum
func (s *Scanner) Checksum() (plumbing.Hash, error) { err := s.discardObjectIfNeeded() if err != nil { return plumbing.ZeroHash, err } return binary.ReadHash(s.r) }
go
func (s *Scanner) Checksum() (plumbing.Hash, error) { err := s.discardObjectIfNeeded() if err != nil { return plumbing.ZeroHash, err } return binary.ReadHash(s.r) }
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// Checksum returns the checksum of the packfile
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/format/packfile/scanner.go#L364-L371
train
src-d/go-git
plumbing/format/packfile/scanner.go
Close
func (s *Scanner) Close() error { buf := byteSlicePool.Get().([]byte) _, err := io.CopyBuffer(stdioutil.Discard, s.r, buf) byteSlicePool.Put(buf) return err }
go
func (s *Scanner) Close() error { buf := byteSlicePool.Get().([]byte) _, err := io.CopyBuffer(stdioutil.Discard, s.r, buf) byteSlicePool.Put(buf) return err }
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// Close reads the reader until io.EOF
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/format/packfile/scanner.go#L374-L379
train
src-d/go-git
plumbing/format/packfile/scanner.go
Seek
func (r *scannerReader) Seek(offset int64, whence int) (int64, error) { var err error if seeker, ok := r.reader.(io.ReadSeeker); !ok { if whence != io.SeekCurrent || offset != 0 { return -1, ErrSeekNotSupported } } else { if whence == io.SeekCurrent && offset == 0 { return r.offset, nil } r.offset, err = seeker.Seek(offset, whence) r.rbuf.Reset(r.reader) } return r.offset, err }
go
func (r *scannerReader) Seek(offset int64, whence int) (int64, error) { var err error if seeker, ok := r.reader.(io.ReadSeeker); !ok { if whence != io.SeekCurrent || offset != 0 { return -1, ErrSeekNotSupported } } else { if whence == io.SeekCurrent && offset == 0 { return r.offset, nil } r.offset, err = seeker.Seek(offset, whence) r.rbuf.Reset(r.reader) } return r.offset, err }
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// Seek seeks to a location. If the underlying reader is not an io.ReadSeeker, // then only whence=io.SeekCurrent is supported, any other operation fails.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/format/packfile/scanner.go#L449-L466
train
src-d/go-git
plumbing/cache/buffer_lru.go
Put
func (c *BufferLRU) Put(key int64, slice []byte) { c.mut.Lock() defer c.mut.Unlock() if c.cache == nil { c.actualSize = 0 c.cache = make(map[int64]*list.Element, 1000) c.ll = list.New() } bufSize := FileSize(len(slice)) if ee, ok := c.cache[key]; ok { oldBuf := ee.Value.(buffer) // in this case bufSize is a delta: new size - old size bufSize -= FileSize(len(oldBuf.Slice)) c.ll.MoveToFront(ee) ee.Value = buffer{key, slice} } else { if bufSize > c.MaxSize { return } ee := c.ll.PushFront(buffer{key, slice}) c.cache[key] = ee } c.actualSize += bufSize for c.actualSize > c.MaxSize { last := c.ll.Back() lastObj := last.Value.(buffer) lastSize := FileSize(len(lastObj.Slice)) c.ll.Remove(last) delete(c.cache, lastObj.Key) c.actualSize -= lastSize } }
go
func (c *BufferLRU) Put(key int64, slice []byte) { c.mut.Lock() defer c.mut.Unlock() if c.cache == nil { c.actualSize = 0 c.cache = make(map[int64]*list.Element, 1000) c.ll = list.New() } bufSize := FileSize(len(slice)) if ee, ok := c.cache[key]; ok { oldBuf := ee.Value.(buffer) // in this case bufSize is a delta: new size - old size bufSize -= FileSize(len(oldBuf.Slice)) c.ll.MoveToFront(ee) ee.Value = buffer{key, slice} } else { if bufSize > c.MaxSize { return } ee := c.ll.PushFront(buffer{key, slice}) c.cache[key] = ee } c.actualSize += bufSize for c.actualSize > c.MaxSize { last := c.ll.Back() lastObj := last.Value.(buffer) lastSize := FileSize(len(lastObj.Slice)) c.ll.Remove(last) delete(c.cache, lastObj.Key) c.actualSize -= lastSize } }
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// Put puts a buffer into the cache. If the buffer is already in the cache, it // will be marked as used. Otherwise, it will be inserted. A buffers might // be evicted to make room for the new one.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/cache/buffer_lru.go#L38-L73
train
src-d/go-git
plumbing/cache/buffer_lru.go
Clear
func (c *BufferLRU) Clear() { c.mut.Lock() defer c.mut.Unlock() c.ll = nil c.cache = nil c.actualSize = 0 }
go
func (c *BufferLRU) Clear() { c.mut.Lock() defer c.mut.Unlock() c.ll = nil c.cache = nil c.actualSize = 0 }
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// Clear the content of this buffer cache.
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e17ee112ca6cc7db0a732c0676b61511e84ec899
https://github.com/src-d/go-git/blob/e17ee112ca6cc7db0a732c0676b61511e84ec899/plumbing/cache/buffer_lru.go#L91-L98
train