如何在 Jenkins 中签出具有特定修订版的 git repo

Question

I am running Jenkins with git, s3 and aws-codedeploy. for deploy build application over s3 and it trigger aws codedeploy for post deployment process. The above setup is running perfectly.

I am getting issue whenever I run jenkins job, my job all time clone git repo then upload a zip of build/contents to s3 then aws-codedeploy deploy full zip on my servers.

But I want when I run jenkin job it is take specific git revision clone only not for full contents and build deployment with that only.

Please help me out on the above issue. thanks in advance...

Answer 1

As git treats any branch as a pointer to commit, you can specify the commit in branch specifier.

EDIT (reply to comment): What you call a branch, is in fact just a pointer to a particular commit. Git has no such branches as svn; thus if you want to deploy a specific commit, you just supply it.

I understand you don't want to change to job every time you need to build it. You can make the build parametrized and then use the parameter as branch specifier .

Answer 2

In Pre Steps add this script under the Execute shell :

# update the local git repository
git fetch 

# pull the desired branch
git pull origin <branch>

# checkout the specific commit you want.
git checkout <commit version>

Answer 3

I am using Jenkins Pipeline .

I can deploy old commit (any old commit), just run checkout in gitlab docker image, before deploy:

node {
stage('checkout') {
    checkout scm
}

docker.image('docker.io/gitlab/gitlab-ce').inside('-u root -e MAVEN_OPTS="-Duser.home=./"') {
    stage('git checkout') {
        sh 'git checkout ${REV_VER}'
        }
}

After this, i use any other docker image for build, and deploy.

Example:

docker.image('openjdk:8').inside('-u root -e MAVEN_OPTS="-Duser.home=./"') {
        stage('build') {
            build process*
        }
        stage('deploy') {
            deploy process*
        }
}

REV_VER, this is string parametr in Jenkins config.

Default variable - REV_VER (in Jenkins config) - Develop (my work branch).

But if you need deploy any old commit, just change variable on short ID commit (like "5221e28") in string REV_VER, when you run "Build with Parametrs"

ps OMG, i hope, you understand what i wrote, because my English is very bad =)

Good luck

Answer 4

According to documentation of git plugin:

NOTE: The checkout step is the preferred SCM checkout method. It provides significantly more functionality than the git step.

Following above I made the version using checkout with credentials:

def branchDeployName = 'd5e043c80b51067c397ae12567005efde5b2517f' //commit ID
/*or simply*/
//def branchDeployName = '*/master' //branch name
checkout([
  $class: 'GitSCM', 
  branches: [[name: branchDeployName]], 
  doGenerateSubmoduleConfigurations: false, 
  extensions: [], 
  submoduleCfg: [], 
  userRemoteConfigs: [
    [credentialsId: 'ac3a0ae1-d3aa-1111-ac70-cba42f82e760', 
     url: 'https://bitbucket.org/user/repo.git']
  ]
])