#!/bin/bash

m4_include(lib/common.sh)

getpkgfile() {
	case $# in
		0)
			error 'No canonical package found!'
			return 1
			;;
		[!1])
			error 'Failed to canonicalize package name -- multiple packages found:'
			msg2 '%s' "$@"
			return 1
			;;
	esac

	echo "$1"
}

# Source makepkg.conf; fail if it is not found
if [[ -r '/etc/makepkg.conf' ]]; then
	source '/etc/makepkg.conf'
else
	die '/etc/makepkg.conf not found!'
fi

# Source user-specific makepkg.conf overrides
if [[ -r ~/.makepkg.conf ]]; then
	. ~/.makepkg.conf
fi

cmd=${0##*/}

if [[ ! -f PKGBUILD ]]; then
	die 'No PKGBUILD file'
fi

. PKGBUILD
pkgbase=${pkgbase:-$pkgname}

case "$cmd" in
	commitpkg)
		if (( $# == 0 )); then
			die 'usage: commitpkg <reponame> [-f] [-s server] [-l limit] [-a arch] [commit message]'
		fi
		repo="$1"
		shift
		;;
	*pkg)
		repo="${cmd%pkg}"
		;;
	*)
		die 'usage: commitpkg <reponame> [-f] [-s server] [-l limit] [-a arch] [commit message]'
		;;
esac

# check if all local source files are under version control
# TODO: FIXME: check if files are in git
#for s in "${source[@]}"; do
	#if [[ $s != *://* ]] && ! svn status -v "$s@" | grep -q '^[ AMRX~]'; then
		#die "$s is not under version control"
	#fi
#done

# check if changelog and install files are under version control
# TODO: FIXME: check if files are in git
#for i in 'changelog' 'install'; do
	#while read -r file; do
		## evaluate any bash variables used
		#eval file=\"$(sed 's/^\(['\''"]\)\(.*\)\1$/\2/' <<< "$file")\"
		#if ! svn status -v "${file}" | grep -q '^[ AMRX~]'; then
			#die "${file} is not under version control"
		#fi
	#done < <(sed -n "s/^[[:space:]]*$i=//p" PKGBUILD)
#done

rsyncopts=(-e ssh -p --chmod=ug=rw,o=r -c -h -L --progress --partial -y)
archreleaseopts=()
while getopts ':l:a:s:f' flag; do
	case $flag in
		f) archreleaseopts+=('-f') ;;
		s) server=$OPTARG ;;
		l) rsyncopts+=("--bwlimit=$OPTARG") ;;
		a) commit_arch=$OPTARG ;;
		:) die "Option requires an argument -- '$OPTARG'" ;;
		\?) die "Invalid option -- '$OPTARG'" ;;
	esac
done
shift $(( OPTIND - 1 ))

# check packages have the packager field set
for _arch in ${arch[@]}; do
	if [[ -n $commit_arch && ${_arch} != "$commit_arch" ]]; then
		continue
	fi
	for _pkgname in ${pkgname[@]}; do
		fullver=$(get_full_version $_pkgname)

		if pkgfile=$(shopt -s nullglob;
				getpkgfile "${PKGDEST+$PKGDEST/}$_pkgname-$fullver-${_arch}".pkg.tar.?z); then
			if grep -q "packager = Unknown Packager" <(bsdtar -xOqf $pkgfile .PKGINFO); then
				die "PACKAGER was not set when building package"
			fi
		fi
	done
done

if [[ -z $server ]]; then
	case "$repo" in
		core|extra|testing|staging|kde-unstable|gnome-unstable)
			server='localhost' ;;
		community*|multilib*)
			server='localhost' ;;
		*)
			server='gerolde.archlinux.org'
			msg "Non-standard repository $repo in use, defaulting to server $server" ;;
	esac
fi

if [[ -n $(git status -s | grep -v "^?? ") ]]; then
	msgtemplate="upgpkg: $pkgbase $(get_full_version)"$'\n\n'
	if [[ -n $1 ]]; then
		stat_busy 'Committing changes'
		git commit -a -q -m "${msgtemplate}${1}" || die
		git tag "$(get_full_version)" || die
		stat_done
	else
		stat_busy 'Committing changes to trunk'
		echo "$msgtemplate" | git commit -a -q -e -F - || die
		git tag "$(get_full_version)" || die
		stat_done
	fi
fi

declare -a uploads
declare -a commit_arches
declare -a skip_arches

for _arch in ${arch[@]}; do
	if [[ -n $commit_arch && ${_arch} != "$commit_arch" ]]; then
		skip_arches+=($_arch)
		continue
	fi

	for _pkgname in ${pkgname[@]}; do
		fullver=$(get_full_version $_pkgname)

		if ! pkgfile=$(shopt -s nullglob;
				getpkgfile "${PKGDEST+$PKGDEST/}$_pkgname-$fullver-${_arch}".pkg.tar.?z); then
			warning "Skipping $_pkgname-$fullver-$_arch: failed to locate package file"
			skip_arches+=($_arch)
			continue 2
		fi
		uploads+=("$pkgfile")

		sigfile="${pkgfile}.sig"
		if [[ ! -f $sigfile ]]; then
			msg "Signing package ${pkgfile}..."
			if [[ -n $GPGKEY ]]; then
				SIGNWITHKEY="-u ${GPGKEY}"
			fi
			gpg --detach-sign --use-agent ${SIGNWITHKEY} "${pkgfile}" || die
		fi
		if ! gpg --verify "$sigfile" >/dev/null 2>&1; then
			die "Signature ${pkgfile}.sig is incorrect!"
		fi
		uploads+=("$sigfile")
	done
done

for _arch in ${arch[@]}; do
	if ! in_array $_arch ${skip_arches[@]}; then
		commit_arches+=($_arch)
	fi
done

#if [[ ${#commit_arches[*]} -gt 0 ]]; then
	#archrelease "${archreleaseopts[@]}" "${commit_arches[@]/#/$repo-}" || die
#fi

if [[ ${#uploads[*]} -gt 0 ]]; then
	new_uploads=()

	# convert to absolute paths so rsync can work with colons (epoch)
	while read -r -d '' upload; do
		new_uploads+=("$upload")
	done < <(realpath -z "${uploads[@]}")

	uploads=("${new_uploads[@]}")
	unset new_uploads
	msg 'Uploading all package and signature files'
	rsync "${rsyncopts[@]}" "${uploads[@]}" "$server:arch/git-pkgs-test/staging/$repo/" || die
fi