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#!/bin/sh
BIN="${0%/*}"
PROG="${0##*/}"
print_full_help() {
cat << EOF
Usage: $PROG [OPTION]... <old> (new)
Upgrade llamafile archives.
Options:
-h, --help display this help and exit
-f, --force skip version check
-v, --verbose verbose mode
Arguments:
<old> the name of the old llamafile archive to be upgraded
(new) the name of the new llamafile archive to be created
if not defined output will be <old>.updated.llamafile
Example:
$PROG old.llamafile new.llamafile
This command will upgrade the old_llamafile to a new llamafile named new_llamafile.
When you run this program, it's recommended that you've
downloaded or installed an official llamafile-VERSION.zip
from https://github.com/Mozilla-Ocho/llamafile/releases
because they include prebuilt DLLs for CUDA and ROCm.
You can verify your llamafile has them w/ unzip -vl
EOF
}
abort() {
echo "Error: $1" >&2
cat << EOF >&2
Usage: $PROG [OPTION]... <old> (new)
Upgrade llamafile archives.
Refer to --help for full instructions.
EOF
exit 1
}
if [ x"$1" = x"-h" ] || [ x"$1" = x"--help" ]; then
print_full_help >&2
exit 0
fi
# find paths of golden llamafile binaries
#
# 1. if user downloaded `llamafile-VERSION.zip`, extracted it, and ran
# `./llamafile-VERSION/bin/llamafile-upgrade-engine` directly, then we can
# support that by looking for a `llamafile` in the same bin folder.
#
# 2. otherwise, perform a $PATH lookup for llamafile
#
LLAMAFILE="$BIN/llamafile"
if [ ! -x "$LLAMAFILE" ]; then
LLAMAFILE="$(command -v llamafile)" || abort "llamafile not found in PATH"
fi
ZIPALIGN="$BIN/zipalign"
if [ ! -x "$ZIPALIGN" ]; then
ZIPALIGN="$(command -v zipalign)" || abort "zipalign not found in PATH"
fi
# Parse command-line options
force_upgrade=false
verbose=false
while getopts "fv" opt; do
case $opt in
f)
force_upgrade=true
echo "Skipping version check."
;;
v)
verbose=true
echo "Verbose Output Mode."
;;
esac
done
# Shift the option parameters
shift $((OPTIND - 1))
# Remove .llamafile extension from arguments if present
if [ -z "${1}" ]; then
abort "Missing path to old llamafile archive to be upgraded"
else
old_llamafile="${1%.llamafile}"
fi
if [ -z "$2" ]; then
new_llamafile="${old_llamafile}.updated"
else
new_llamafile="${2%.llamafile}"
fi
# Obtain versions of old and new llamafiles
old_llamafile_engine_version="$("./$old_llamafile".llamafile --version)" || abort "Failed to get version of old llamafile"
new_llamafile_engine_version="$("$LLAMAFILE" --version)" || abort "Failed to get version of new llamafile"
# Check if llamafile has been upgraded
echo "== Engine Version Check ==" >&2
echo "Engine version from $old_llamafile: $old_llamafile_engine_version" >&2
echo "Engine version from $LLAMAFILE: $new_llamafile_engine_version" >&2
if [ "$old_llamafile_engine_version" = "$new_llamafile_engine_version" ] && [ "$force_upgrade" != "true" ]; then
echo "Upgrade not required. Exiting..." >&2
exit 0
fi
if [ "$verbose" = "true" ]; then
echo "== Current Content ==" >&2
zipinfo "${old_llamafile}.llamafile" || abort "Failed to get current content of old llamafile"
fi
tempdir="$(mktemp -d)" || abort "Failed to create temporary directory"
trap 'rm -rf "$tempdir"' EXIT
echo "== Repackaging / Upgrading ==" >&2
echo "extracting..." >&2
unzip "${old_llamafile}.llamafile" -d "$tempdir" || abort "Failed to extract old llamafile"
echo "repackaging..." >&2
cp "$LLAMAFILE" "${new_llamafile}.llamafile" || abort "Failed to copy new llamafile"
"$ZIPALIGN" -j0 "${new_llamafile}.llamafile" "$tempdir"/*.gguf "$tempdir"/.args || abort "Failed to repackaging"
echo "== Completed ==" >&2
echo "Original File: ${old_llamafile}.llamafile" >&2
echo "Upgraded File: ${new_llamafile}.llamafile" >&2
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