#!/usr/bin/env bash

. "$HOME"/.makepkg.conf

cd "$HOME"/packaging/pkgbuilds

source $(dirname $0)/package-list.bash

need_rebuild=()

#for package in "${!packages[@]}"; do
#	if [[ -d "$package" ]]; then
#		cd "$package"
#		(makepkg -src --noconfirm) &
#		cd -
#done

##
# Buils the given package
#
# Arguments:
#    $1:    Directory that contains the PKGBUILD of the
#           package to build.
build_package() {
	if [[ -d "$1" ]]; then
		(cd "$1"
		makepkg -src --noconfirm 2>/dev/null)
	fi
}

##
# Get newest commit of VCS repo.
#
# Arguments:
#    $1    Path to the directory of the VCS repo.
#    $2    Name of the ref to get the newest commit of
get_new_commit() {
	if [[ -d "$1" ]]; then
		(cd "$1"
		if [[ -d .hg ]]; then
			hg update &>/dev/null
			printf "%s" "$(hg log -r "." --template "{node|short}")"
		elif [[ -n "$(git config --get core.bare)" ]]; then
			if [[ -n "$2" ]]; then
				local ref="$2"
			else
				local ref=HEAD
			fi
			printf "%s" "$(git rev-parse --short $ref)"
		fi)
	else
		printf "%s\n" "Repository to get commit from not found" 1>&2
	fi
}

##
# Get commit of the laste built package from pkgver of PKGBUILD
#
# Arguments:
#    $1    Path to the directory of the PKGBUILD to get te old commit from.
get_old_commit() {
	(source "$1"/PKGBUILD
	printf "%s" "$(sed -r 's/.*\.r[0-9]*\.g?//' <<<$pkgver)")
}

for package in "${!packages[@]}"; do
	new_head=$(get_new_commit "$SRCDEST"/"${packages[$package]}" "${branches[$package]}")

	old_commit=$(get_old_commit $package)

#	printf "%-30s\t\t%s\t\t%s\n" $package $old_commit $new_head
	if [[ "$old_commit" != "$new_head" ]]; then
		need_rebuild+=("$package")
	fi
done

if [ ${#need_rebuild[@]} -eq 0 ]; then
	printf "%s" "No VCS packages needing rebuilding."
else
	printf "%s" "Packages needing rebuilding: "
	for package in "${need_rebuild[@]}"; do
		printf "%s" "$package"
		build_package "$package" &>/dev/null &
	done
fi
wait

printf "\n"
"$HOME"/packaging/vodik-repose/repose kyriasis -r "$HOME"/packaging/repo -p "$HOME"/packaging/built_packages -v