/**
 * Git merge branches pipeline
 * REPO_URL - Repository URL
 * TARGET_BRANCH - Target branch for merging
 * SOURCE_BRANCH - The branch will be merged to TARGET_BRANCH
 * CREDENTIALS_ID - Used credentails ID
 *
**/

def common = new com.mirantis.mk.Common()
def git = new com.mirantis.mk.Git()
node {
  try{
    stage("checkout") {
      git.checkoutGitRepository('repo', REPO_URL, TARGET_BRANCH, IMAGE_CREDENTIALS_ID)
    }
    stage("merge") {
      dir("repo"){
        sh("git fetch origin/${SOURCE_BRANCH} && git merge ${SOURCE_BRANCH} && git push origin ${TARGET_BRANCH}")
      }
    }
  } catch (Throwable e) {
     // If there was an error or exception thrown, the build failed
     currentBuild.result = "FAILURE"
     currentBuild.description = currentBuild.description ? e.message + " " + currentBuild.description : e.message
     throw e
  }
}