#!/bin/bash

set -e

# Construct base version:                        '1.2.3-123+20230527T195630.811d543'
# Platform specific versions may add extra info: '1.2.3-123+20230527T195630.811d543.linux.x11'

SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"

pushd "$SCRIPT_DIR"/.. 2>&1 1>/dev/null

# Fetch all tags from remote (if something changed)
git fetch --tags

# Get current version from latest tag
VERSION_SHORT=$(git describe --tags --abbrev=0)

echo "Current Version: $VERSION_SHORT"

# Advance by one revision
#  check if revision present
if [[ $VERSION_SHORT != *"-"* ]]; then
  VERSION_SHORT="$VERSION_SHORT-0"
fi
#  seperate base version from revision
BASE_VERSION=$(echo $VERSION_SHORT | sed -E 's~^(.*[.].*[.].*)-([0-9]+)~\1~I')
REVISION=$(echo $VERSION_SHORT | sed -E 's~^(.*[.].*[.].*)-([0-9]+)~\2~I')
#  +1
REVISION=$(($REVISION+1)) || $(echo 1)
#  Assemble new version
VERSION_SHORT="$BASE_VERSION-$REVISION"

read -p "Enter New Version [$VERSION_SHORT]: " VERSION_SHORT_INPUT
VERSION_SHORT=${VERSION_SHORT_INPUT:-$VERSION_SHORT}

# Collect extra build information
# CMAKE_VERSION=$(grep CMAKE_PROJECT_VERSION:STATIC build/CMakeCache.txt | cut -d "=" -f2)
TIME=$(date -u +"%Y%m%dT%H%M%S")
COMMIT=$(git rev-parse HEAD)

VERSION_LONG="$VERSION_SHORT+$TIME.$COMMIT"

# Push any outstanding commits
git commit --allow-empty -m "Release $VERSION_SHORT" -m "[CI SKIP]"
git push

# Create annotated tag named named after short version and annotated with long version
git tag -a -m "$VERSION_LONG" "$VERSION_SHORT"

# push the new tag
git push origin "$VERSION_SHORT"

popd 2>&1 1>/dev/null