adc/describe

describe

#!/bin/bash
repo=
refs=()
args=()

did_set_repo=0
in_args=1
while [ $# -gt 0 ]; do
	if [ $in_args -eq 0 ]; then
		refs[${#refs[@]}]="$1"
		shift
		continue
	fi

	case "$1" in
		--all|--tags|--contains|--exact-match|--long|--always|--abbrev=*|--candidates=*|--match=*)
			args[${#args[@]}]="$1"
			;;
		--candidates)
			shift
			if [ "$1" -eq "$1" ] >/dev/null 2>&1; then
				echo 'option 'candidates' expects a numerical value' >&2
				exit 1
			fi

			args[${#args[@]}]="--candidates=$1"
			;;
		--match)
			shift
			args[${#args[@]}]="--match=$1"
			;;
		--)
			in_args=0
			;;
		-*)
			echo "error: unknown or disallowed option '$1'" >&2
			exit 1
			;;
		*)
			if [ $did_set_repo -eq 0 ]; then
				did_set_repo=1
				repo="${1%.git}"
			else
				if [ "$1" = "${1#refs/}" ]; then
					refs[${#refs[@]}]="refs/heads/$1"
				else
					refs[${#refs[@]}]="$1"
				fi
			fi
	esac
	shift
done

if [ $did_set_repo -eq 0 ]; then
	echo 'repository not specified' >&2
	exit 1
fi

if [ ${#refs[@]} -eq 0 ]; then
	echo 'no refs specified' >&2
	exit 1
fi

for ref in "${refs[@]}"; do
	if \
		perl -I$GL_BINDIR -Mgitolite -e 'cli_repo_rights($ARGV[0], $ARGV[1])' "$repo" "$ref" |
		grep -v -q '^[^ ]*R'
	then
		echo "no read permissions on $repo for $ref" >&2
		exit 1
	fi
done
GIT_DIR="$GL_REPO_BASE_ABS/$repo.git" exec git describe "${args[@]}" "${refs[@]}"