#!/bin/sh
#
# Copyright (c) 2006, Shawn O. Pearce
#
# Cleanup unreachable files and optimize the repository.

setglobal USAGE = ''[--prune]''
setglobal SUBDIRECTORY_OK = 'Yes'
source git-sh-setup

setglobal no_prune = ':'
while test $# != 0
{
	match $1 {
	with --prune
		setglobal no_prune = ''
		
	with --
		usage
		
	}
	shift
}

match $[git config --get gc.packrefs] {
with notbare|""
	test $[is_bare_repository] = true || setglobal pack_refs = 'true'
with *
	setglobal pack_refs = $[git config --bool --get gc.packrefs]
}

test "true" != $pack_refs ||
git pack-refs --prune &&
git reflog expire --all &&
git-repack -a -d -l &&
$no_prune git prune &&
git rerere gc || exit