#!/usr/bin/env bash
#
# Clean unknown files from the working tree.
# Copyright (c) Pavel Roskin, 2005
#
# Cleans file and directories that are not under version control.
# When run without arguments, files ignored by cg-status and directories
# are not removed.
#
# OPTIONS
# -------
# -d:: Clean directories
#	Also clean directories and their contents.
#
# -D:: Clean directories more thoroughly
#	Same as -d but try harder (change permissions first).
#
# -n:: Don't actually remove files, just pretend to
#	Do not actually remove the files, just pretend to do so.
#
# -q:: Silence progress reporting
#	Quiet - don't report what's being cleaned.
#
# -x:: Clean files ignored by cg-status
#	Also clean files ignored by cg-status, such as object files.

USAGE="cg-clean [-d] [-D] [-n] [-q] [-x]"

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

noexclude=
cleandir=
cleandirhard=
quiet=
rm=rm
while optparse; do
	if optparse -d; then
		cleandir=1
	elif optparse -D; then
		cleandir=1
		cleandirhard=1
	elif optparse -n; then
		pretendrm () { echo rm "$@"; }
		rm="pretendrm"
	elif optparse -q; then
		quiet=1
	elif optparse -x; then
		noexclude=noexclude
	else
		optfail
	fi
done

[ ${#ARGS[*]} = 0 ] || usage

cd "${_git_relpath-.}"
list_untracked_files "$noexclude" squashdirs | tr '\0' '\n' |
while read -r file; do
	if [ -d "$file" -a ! -L "$file" ]; then
		if [ -z "$cleandir" ]; then
			echo "Not removing $file"
			continue
		fi
		[ "$quiet" ] || echo "Removing $file"
		if [ "$cleandirhard" ]; then
			chmod -R 700 "$file"
		fi
		$rm -rf "$file"
		if [ -e "$file" -o -L "$file" ]; then
			echo "Cannot remove $file"
		fi
	elif [ -e "$file" -o -L "$file" ]; then
		[ "$quiet" ] || echo "Removing $file"
		"$rm" -f "$file"
		# rm would complain itself on failure
	else
		echo "File $file has disappeared!"
	fi
done