OneClickBranchMerge.yaml

#!/bin/bash

# set repository URL and branch names
REPO_URL="https://github.com/your-username/your-repo.git"
MASTER_BRANCH="master"
DEVELOP_BRANCH="develop"

# Check if the release branch file exists
if [ -f ".release_branch" ]; then
  # Read the release branch name from the file
  RELEASE_BRANCH=$(cat .release_branch)
else
  # Set the name of the release branch
  RELEASE_BRANCH="release"
fi 

# create the repository
git clone $REPO_URL
cd your-repo

# check if the branches already exist
if git ls-remote --heads $REPO_URL $MASTER_BRANCH | grep -q $MASTER_BRANCH; then
  echo "Master branch already exists"
else
  # create the master branch
  git init
  touch README.md
  git add README.md
  git commit -m "Initial commit"
  git branch $MASTER_BRANCH
  git remote add origin $REPO_URL
  git push -u origin $MASTER_BRANCH
fi

if git ls-remote --heads $REPO_URL $DEVELOP_BRANCH | grep -q $DEVELOP_BRANCH; then
  echo "Develop branch already exists"
else
  # create the develop branch
  git branch $DEVELOP_BRANCH
  git push --set-upstream origin $DEVELOP_BRANCH
fi

if git ls-remote --heads $REPO_URL $RELEASE_BRANCH | grep -q $RELEASE_BRANCH; then
  echo "Release branch already exists"
else
  # create the release branch
  git checkout $DEVELOP_BRANCH
  git branch $RELEASE_BRANCH
  git push --set-upstream origin $RELEASE_BRANCH
fi

# set up the deployment pipeline
echo "
stages:
  - build
  - test
  - deploy
  - release

build:
  script:
    - echo 'Building the project...'

test:
  script:
    - echo 'Running tests...'

deploy:
  script:
    - echo 'Deploying to production...'

release:
  script:
# merge the previous release branch into the master branch
PREVIOUS_RELEASE_BRANCH=$(git branch -r | grep origin/$RELEASE_BRANCH | cut -d/ -f2)
if [[ $PREVIOUS_RELEASE_BRANCH ]]; then
  git checkout $MASTER_BRANCH
  git merge --no-ff origin/$PREVIOUS_RELEASE_BRANCH
  # add deployment steps here, for example:
  # ssh into the server and pull the latest changes
  # run any build steps or migrations
  # restart the server
  git push origin $MASTER_BRANCH
  git checkout $DEVELOP_BRANCH
fi

# create a new release branch from the develop branch
NEW_RELEASE_BRANCH="$RELEASE_BRANCH-$(date +%Y%m%d-%H%M%S)"
git checkout $DEVELOP_BRANCH
git branch $NEW_RELEASE_BRANCH
git push --set-upstream origin $NEW_RELEASE_BRANCH

#Save the name of the new release branch to the file for next time
echo $NEW_RELEASE_BRANCH > .release_branch

" > .gitlab-ci.yml