#!/bin/bash
# $Id: $

source /sbin/functions.sh

BOLD=$'\e[0;01m'
GREEN=$'\e[32m'

changelog=0
force=0
noupdate=0
quiet=0
verbose=0

changelog_append() {
	if [[ "$changelog" == "1" ]] ; then
		ebegin "Appending/creating ChangeLog"
		echangelog "$1"
		eend $?
	else
		return 0
	fi
}

create_digests() {
	ebegin "Digesting ebuilds"
	for i in *.ebuild ; do
		ebuild $i digest
	done
	eend $?
}

svn_add() {
	ebegin "Adding local changes to working copy"
	if [[ "$verbose" == "1" ]] ; then
		svn add *
	else
		svn add -q *
	fi
	eend $?
}

svn_commit() {
	ebegin "Committing working copy to repository"
	svn commit -m "$*"
	eend $?
}

svn_up() {
	if [[ "$noupdate" == "0" ]] ; then
		ebegin "Updating working copy to latest version from repository"
		if [[ "$verbose" == "1" ]] ; then
			svn update
		else
			svn update -q
		fi
		eend $?
	else
		return 0
	fi
}

usage() {
cat << EOF
${BOLD}Usage:${NORMAL} ${HILITE}sunrise-commit${NORMAL} [ ${GOOD}option${NORMAL} ] ${GOOD}message${NORMAL}

${GOOD}option${NORMAL} is:
  ${BOLD}-c, --changelog${NORMAL}    Also create a ChangeLog entry using ${GOOD}message${NORMAL}
  ${BOLD}-f, --force${NORMAL}        Commit even if no ebuilds are present
  ${BOLD}-h, --help${NORMAL}         Show help
  ${BOLD}-n, --noupdate${NORMAL}     Don't update from repository before committing
  ${BOLD}-q, --quiet${NORMAL}        Don't ask for confirmation
  ${BOLD}-v, --verbose${NORMAL}      Show more detailed information during commit

${GOOD}message${NORMAL} is:
  Message describing commit. For new ebuilds the suggested message format is:
  "New Ebuild for bug ${BRACKET}Gentoo bug #${NORMAL}, thanks to ${BRACKET}list of contributors${NORMAL}"
EOF
	exit ${1:-0}
}

[[ -z "$1" ]] && usage 1

if [[ -z "$(echo `svn status`)" ]] ; then
	ewarn "No changes found in current directory."
	exit 1
fi

while [[ $# > 0 ]] ; do
	case "$1" in
		--changelog|-c)
			if [[ -z "$ECHANGELOG_USER" ]] ; then
				echo "!!! Error: --changelog option requires ECHANGELOG_USER to be set:"
				echo "!!!   export ECHANGELOG_USER=\"Your Name <your@mail.org>\""
				exit 1
			fi
			changelog=1
			shift ;;

		--force|-f)
			force=1
			shift ;;

		--help|-h)
			usage ;;

		--noupdate|-n)
			noupdate=1
			shift ;;

		--quiet|-q)
			quiet=1
			shift ;;

		--verbose|-v)
			verbose=1
			shift ;;

		*)
			break ;;
	esac
done

if [[ -z "$*" ]] ; then
	echo "!!! Error: You must supply a commit message. See: sunrise-commit -h"
	exit 1
fi

svn_up || exit $?

if [[ "$force" == "0" ]] ; then
	if [[ ! $(find *.ebuild -maxdepth 0) ]] ; then
		echo "!!! Error: No ebuilds found in current directory. Use -f to force commit."
		exit 1
	fi
	create_digests || exit $?
fi

changelog_append "$1" || exit $?
svn_add || exit $?

if [[ "$verbose" == "1" ]] ; then
	echo
	echo "${GREEN}The following local changes will be committed to the repository:${NORMAL}"
	echo
	svn status
fi

if [[ "$quiet" == "0" ]] ; then
	echo
	echo -n "${BOLD}Commit changes?${NORMAL} [${GOOD}Yes${NORMAL}/${BAD}No${NORMAL}] "
	read choice
	echo

	case "$choice" in
		y*|Y*|"")
			;;

		*)
			echo "Quitting."
			echo
			exit 1 ;;
	esac
fi

svn_commit "$*" || exit $?