Finish Release ADO Pipeline and Bash Script

finish-release.sh

#!/bin/bash

git --version
BUILD_SOURCE_BRANCH=$1
if [[ -z ${BUILD_SOURCE_BRANCH} ]]; then
  echo "Null source branch"
  exit 1
fi

git config --global user.email "[email protected]"
git config --global user.name "DevOps"

SOURCE_BRANCH=`echo ${BUILD_SOURCE_BRANCH} | cut -d'/' -f3-4`
VERSION=`echo ${SOURCE_BRANCH} | cut -d'/' -f2`

echo "REPOSITORY"
git remote -v

echo "BUILD SOURCE BRANCH ${BUILD_SOURCE_BRANCH}"
echo "SOURCE BRANCH ${SOURCE_BRANCH}"
echo "VERSION ${VERSION}"

if [[ "${SOURCE_BRANCH}" != *"release"* ]]; then
  echo "source branch must be a release branch"
  exit 1
fi

# Enable exit on errors so script will die if any one command fails
set -e

echo "CHECKING OUT SOURCE BRANCH"
git checkout -f $SOURCE_BRANCH
git pull 
echo "CHECKING OUT MASTER"
git checkout -f master
git pull

#FOR /F %%i IN ('git rev-list --left-only --count origin/master...%sourceBranch%') DO SET aheadCountMaster=%%i
#If %aheadCountMaster% NEQ 0 (echo "Release branch is behind master!" & exit /b 1)
MASTERCNT=`git rev-list --left-only --count origin/master...${SOURCE_BRANCH}`
if [[ ${MASTERCNT} -ne 0 ]]; then
  echo "release branch is behind master! Aborting merge..."
  exit 1
fi

echo "MERGING RELEASE INTO MASTER"
git merge --ff  -m "${VERSION}" $SOURCE_BRANCH
echo "CREATING TAG"
git tag -a $VERSION -m "${VERSION}"
echo "CHECKING OUT DEVELOP"
git checkout develop
git pull

echo "MERGING RELEASE INTO DEVELOP"
git merge --ff  -m "${VERSION}" $SOURCE_BRANCH
echo "MERGING TAG INTO DEVELOP"
git merge $VERSION

echo "PUSHING MASTER"
git push origin master

echo "PUSHING DEVELOP"
git push origin develop

echo "PUSHING TAGS"
git push origin $VERSION

echo "DELETING RELEASE"
git push origin --delete $SOURCE_BRANCH

set +e

pipeline.yml

pool:
  name: DefaultPool

# Do not automatically trigger build
trigger: none

steps:
- checkout: self
  clean: true
  persistCredentials: true
- bash: |
    chmod +x ./finish-release.sh
    ./finish-release.sh $(Build.SourceBranch)
  displayName: 'Run Finish Release Script'