#!/bin/bash

ROOT_DIR=$( dirname $( realpath $0 ) )

set -e

echo "Checking dependencies..."
MISSING_PACKAGES=()
for bin in /usr/bin/curl /usr/bin/xq /usr/bin/sed /usr/bin/git
do
	echo -n "- $bin: "
	if [ -x "$bin" ]
	then
		echo "OK"
	else
		echo "Missing"
		MISSING_PACKAGES+=( $(basename $bin) )
	fi
done

if [ ${#MISSING_PACKAGES[@]} -gt 0 ]
then
	echo "Install missing packages (${MISSING_PACKAGES[@]})..."
	apt install -y ${#MISSING_PACKAGES[@]}
fi

LATEST="$1"

if [ -z "$LATEST" ]
then
	echo -n "Getting latest release..."
	LATEST=$( /usr/bin/curl --silent https://forgejo.org/releases/rss.xml|/usr/bin/xq -x '/rss/channel/item[1]/title'|/usr/bin/sed 's/^v//' )
	echo done.
fi

echo "Latest release: $LATEST"
[ -n "$( /usr/bin/git tag -l "$LATEST" )" ] && echo "Release $LATEST already exists" && exit 1

echo "Press [enter] to create and publish this new release"
read

echo "Create new release..."
cd $ROOT_DIR
echo -n "$LATEST" > last_release.txt 
/usr/bin/git add last_release.txt
/usr/bin/git commit -m "Release $LATEST"
/usr/bin/git tag "$LATEST"
echo done.

echo "Publish new release..."
/usr/bin/git push
/usr/bin/git push --tags
echo done.