#!/usr/bin/env bash
#
# List objects of the GIT repository.
# Copyright (c) Randy Dunlap, 2005
# Copyright (c) Petr Baudis, 2005
#
# Lists IDs of all the objects of a given type found in the dircache.
# Takes the object type as the first parameter, defaults to all objects.
#
# WARNING! This command does not list packed objects, so its usefulness
# is rather limited right now. That's a big TODO.
#
# The possible object types are:
#
# blob::
#	This object is a pure storage object containing some user data.
#
# commit::
#	This object ties directory hierarchies together into a DAG
#	of revisions.
#
# tree::
#	This object is an object that ties one or more `blob` objects
#	into a directory structure.
#
# tag::
#	This object ties a symbolic release tag to an object in the
#	database.
#
# See the git README for more information about the object types.
#
# EXAMPLE USAGE
# -------------
# Oh, I was messing with my HEADs and lost few commits, where on the earth
# could they be...?
#
#	for i in `cg-admin-lsobj commit | cut -f 1`; do
#		echo -e "\n==================\nme $i"; cat-file commit $i;
#	done

USAGE="cg-admin-lsobj [OBJECT_TYPE]"

. "${COGITO_LIB}"cg-Xlib || exit 1

target="${ARGS[0]}"


subdir="$_git_objects"

for high in 0 1 2 3 4 5 6 7 8 9 a b c d e f ; do
	for low in 0 1 2 3 4 5 6 7 8 9 a b c d e f ; do
		top=$high$low

		for f in "$subdir/$top"/*; do
			if [ ! -r "$f" ]; then
				continue
			fi
			base="$(basename "$f")"
			type="$(git-cat-file -t "$top$base")"
			if [ ! "$target" ] || [ "$target" == "$type" ]; then
				echo -e "$top$base\t$type"
			fi
		done
	done
done

exit 0