#!/bin/bash
# SPDX-License-Identifier: Apache-2.0
# Copyright (c) 2012-2024 Scott Penrose <scottp@dd.com.au> and WII5 Buoy contributors
#
# This file is part of WII5 Buoy firmware.
# See LICENSE for full terms.


#get highest tag number
VERSION=`git describe --abbrev=0 --tags`
SHORT=$(git log -1 --pretty=format:%h)

#replace . with space so can split into an array
VERSION_BITS=(${VERSION//./ })

#get number parts and increase last one by 1
VNUM1=${VERSION_BITS[0]}
VNUM2=${VERSION_BITS[1]}
VNUM3=${VERSION_BITS[2]}
VNUM3=$((VNUM3+1))

#create new tag
NEW_TAG="$VNUM1.$VNUM2.$VNUM3"

echo "Updating $VERSION to $NEW_TAG"

#get current hash and see if it already has a tag
GIT_COMMIT=`git rev-parse HEAD`
NEEDS_TAG=`git describe --contains $GIT_COMMIT 2>/dev/null`

#only tag if no tag already
if [ -z "$NEEDS_TAG" ]; then
	echo "version=$NEW_TAG" > VERSION
	echo "short=$SHORT" >> VERSION
	git add VERSION
	git commit -m 'Auto update version file'
    git tag $NEW_TAG
    echo "Tagged with $NEW_TAG"
    git push --tags
else
    echo "Already a tag on this commit"
fi