jenkins/github/clang-format-test.pipeline

pipeline {
    agent {
        docker {
            image 'ci.trafficserver.apache.org/ats/rockylinux:8'
            registryUrl 'https://ci.trafficserver.apache.org/'
            label 'docker'
            // We need host networking for clang-format to download
            args '--network host'
        }
    }
    stages {
        stage('Clone') {
            steps {
                dir('src') {
                    sh "printenv"
                    echo "${sha1}"
                    checkout([$class: 'GitSCM',
                        branches: [[name: sha1]],
                        extensions: [
                            // We have to set an idenity for the merge step because Git requires
                            // the user.name and user.email to be set to do a merge.
                            [$class: "UserIdentity",
                                name: "ATS CI User",
                                email: "noreply@trafficserver.apache.org"
                            ],
                            [$class: "PreBuildMerge",
                                options: [
                                    mergeTarget: "${GITHUB_PR_TARGET_BRANCH}",
                                    fastForwardMode: "NO_FF",
                                    mergeRemote: "origin",
                                    mergeStrategy: "DEFAULT"
                                ]
                            ],
                        ],
                        quietOperation: true,
                        userRemoteConfigs: [[url: github_url, refspec: '+refs/pull/*:refs/remotes/origin/pr/*']]])

                    sh 'git show -n 10 --decorate --graph --oneline --no-patch'
                }
                echo 'Finished Cloning'
            }
        }
        stage('Build') {
            steps {
                echo 'Starting build'
                dir('src') {
                    sh '''#!/bin/bash
                            set -x
                            git grep -IE ' +$' | fgrep -v '.gold:' | fgrep -v '.test_input'
                            if [ "1" != "$?" ]; then
                                echo "Error: Trailing whitespaces are not allowed!"
                                echo "Error: Please run: git grep -IE ' +$'"
                                exit 1
                            fi
                            echo "Success! No trailing whitespace"
                            git grep -IE $'\r$' | fgrep -v 'lib/yamlcpp' | fgrep -v '.test_input'
                            if [ "1" != "$?" ]; then
                                echo "Error: Please make sure to run dos2unix on the above file(s)"
                                exit 1
                            fi
                            echo "Success! No DOS carriage return"

                            set -x

                            autoreconf -if && ./configure && make clang-format
                            [ "0" != "$?" ] && exit 1

                            # Only enforce autopep8 on branches where the pre-commit hook was updated to
                            # check it. Otherwise, none of the PRs for older branches will pass this check.
                            if grep -q autopep8 tools/git/pre-commit; then
                                make autopep8
                                [ "0" != "$?" ] && exit 1
                            fi

                            git diff --exit-code
                            [ "0" != "$?" ] && exit 1

                            # Normal exit
                            exit 0                            
                        '''
                }
            }
        }
    }
    
    post { 
        cleanup { 
            cleanWs()
        }
    }
}