#!/bin/bash

m4_include(lib/common.sh)
m4_include(lib/valid-tags.sh)

# parse command line options
FORCE=
while getopts ':f' flag; do
	case $flag in
		f) FORCE=1 ;;
		:) die "Option requires an argument -- '%s'" "$OPTARG" ;;
		\?) die "Invalid option -- '%s'" "$OPTARG" ;;
	esac
done
shift $(( OPTIND - 1 ))

if ! (( $# )); then
	echo 'Usage: archrelease [-f] <repo>...'
	exit 1
fi

# validate repo is really repo-arch
if [[ -z $FORCE ]]; then
	for tag in "$@"; do
		if ! in_array "$tag" "${_tags[@]}"; then
			die "archrelease: Invalid tag: '%s' (use -f to force release)" "$tag"
		fi
	done
fi

if [[ ! -f PKGBUILD ]]; then
	die 'archrelease: PKGBUILD not found'
fi

trunk=${PWD##*/}

# Normally this should be trunk, but it may be something
# such as 'gnome-unstable'
IFS='/' read -r -d '' -a parts <<< "$PWD"
if [[ "${parts[@]:(-2):1}" == "repos" ]]; then
	die 'archrelease: Should not be in repos dir (try from trunk/)'
fi
unset parts

if [[ $(svn status -q) ]]; then
	die 'archrelease: You have not committed your changes yet!'
fi

pushd .. >/dev/null
IFS=$'\n' read -r -d '' -a known_files < <(svn ls -r HEAD "$trunk")
for file in "${known_files[@]}"; do
	if [[ ${file:(-1)} = '/' ]]; then
		die "archrelease: subdirectories are not supported in package directories!"
	fi
done

# gracefully handle files containing an "@" character
known_files=("${known_files[@]/%/@}")
tag=$(get_full_version $_pkgname)

stat_busy "Copying ${trunk} to ${tag}"

if [[ -d tags/$tag ]]; then
	#declare -a trash
	#trash=()
	#while read -r file; do
		#trash+=("tags/$tag/$file")
	#done < <(svn ls "tags/$tag")
	#[[ $trash ]] && svn rm -q "${trash[@]/%/@}"
	die "already tagged"
else
	mkdir -p "tags/$tag"
	svn add --parents -q "tags/$tag"
fi

# copy all files at once from trunk to the subdirectory in repos/
svn copy -q -r HEAD ${known_files[@]/#/$trunk/} "tags/$tag/"

stat_done

stat_busy "Releasing package"
svn commit -q -m "archrelease: copy ${trunk} to $tag" || abort
stat_done

popd >/dev/null