pantry/projects/git-scm.org/git-shim

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#!/bin/sh
set -e
# This function searches through the provided arguments
# to find the first non-option argument, which is assumed
# to be the git subcommand.
find_git_subcommand() {
skip_next=0 # Flag to indicate if the next argument should be skipped.
for arg in "$@"; do
# If the skip_next flag is set, skip this argument.
if [ "$skip_next" -eq 1 ]; then
skip_next=0
continue
fi
# Check for options that require skipping the next argument.
case $arg in
-C | --git-dir | --work-tree | --namespace | --super-prefix | --config-env | -c)
skip_next=1 # The next argument is a value for these options.
continue
;;
-*)
continue # Skip other options that start with '-'.
;;
esac
# If we reach this point, it's likely the git subcommand.
echo "$arg"
return
done
}
libexec="$(cd "$(dirname "$0")/.." && pwd)"/libexec
# extract the git subcommand
cmd=$(find_git_subcommand "$@")
2023-10-31 17:41:13 +03:00
_provides() {
if foo="$(pkgx --provider git-"$cmd")"; then
echo "$foo"
else
# syncing is slow but lets be sure about it
pkgx --sync --provider git-"$cmd"
fi
}
_is_alias() {
git config --get-regexp '^alias\.' | awk '{ print $1 }' | sed 's/alias\.//' | grep -qx "$cmd"
}
if [ -z "$cmd" ]; then
exec "$libexec/git" "$@"
elif [ -x "$libexec/git-$cmd" ] && [ -f "$libexec/git-$cmd" ]; then
exec "$libexec/git" "$@"
elif type "git-$cmd" >/dev/null 2>&1; then
exec "$libexec/git" "$@"
elif ! _is_alias && command -v pkgx >/dev/null 2>&1 && pkg=$(_provides); then
exec pkgx +"$pkg" "$libexec/git" "$@"
else
exec "$libexec/git" "$@"
fi