jobs/updateSrcRevisions: added functionality to the skeleton

Signed-off-by: Marc Mattmüller <marc.mattmueller@netmodule.com>

jobs/Jenkinsfile_UpdateSrcRevisions

@@ -10,6 +10,7 @@ pipeline {
   parameters {
     string(name: 'BUILD_BRANCH', defaultValue: 'main', description: 'Enter the branch of the NWL to build (default = main), will skip deployment if not main')
     booleanParam(name: 'CLEAN_BUILD', defaultValue: false, description: 'do a clean build, i.e. remove the yocto directory and start from scratch')
+    booleanParam(name: 'DRY_RUN', defaultValue: true, description: 'do a dry run, i.e. without committing and pushing')
   }
 
   options {
@@ -24,7 +25,13 @@ pipeline {
     stage('Prepare') {
       steps {
         script {
-          println "ToDo: prepare stage"
+          printJobParameters()
+          setDisplayName()
+
+          // load common file
+          common = load "./jobs/Jenkinsfile_Common"
+
+          handleCleanBuild(common)
         }
       }
     }
@@ -32,10 +39,80 @@ pipeline {
     stage('Update') {
       steps {
         script {
-          println "ToDo: Update stage"
+          updateTheSourceRevisions(common, "${params.BUILD_BRANCH}")
+          commitAndPushTheChanges(common)
+        }
+      }
+      post {
+        always {
+          script {
+            common.cleanupRepository("./")
           }
         }
       }
 
+    }
+
   } // stages
 }
+
+//-----------------------------------------------------------------------------
+def printJobParameters() {
+  println "----------------------------------\n\
+  Job Parameters:\n\
+----------------------------------\n\
+    BUILD_BRANCH       = ${params.BUILD_BRANCH}\n\
+    CLEAN_BUILD        = ${params.CLEAN_BUILD}\n\
+    DRY_RUN            = ${params.DRY_RUN}\n\
+----------------------------------\n"
+}
+//---------------------------------------------------------------------------------------------------------------------
+def setDisplayName() {
+  def buildName = "#${env.BUILD_NUMBER}"
+  def theBranch = "${params.BUILD_BRANCH}"
+  def cleaning = ("${params.CLEAN_BUILD}" == true) ? "-clean" : ""
+  currentBuild.displayName = "${buildName}-${theBranch}${cleaning}"
+}
+//---------------------------------------------------------------------------------------------------------------------
+def handleCleanBuild(commonHelpers) {
+  if(params.CLEAN_BUILD) {
+    println "CLEAN BUILD REQUESTED, cleaning..."
+    commonHelpers.cleaningClonedRepoDir()
+  }
+}
+
+
+//---------------------------------------------------------------------------------------------------------------------
+def updateTheSourceRevisions(commonHelpers, theBranch) {
+  commonHelpers.gitUpdateSubmodulesCheckoutBranch(theBranch, true, true)
+  commonHelpers.printSubmoduleStatus(true)
+}
+//---------------------------------------------------------------------------------------------------------------------
+def commitAndPushTheChanges(commonHelpers) {
+  def commitMsg = "srcrev: updated source revisions by Jenkins Job"
+
+  if(sh(returnStdout: true, script: "git status | grep \"modified:\" | grep -v coreos | wc -l").toInteger() != 0) {
+    def itemFindCmd = "git status | grep \"modified:\" | grep -v coreos | cut -d':' -f2 | sed -e 's/^[ ]*//' | cut -d' ' -f1"
+    def changedItems = sh(returnStdout: true, script: "${itemFindCmd}")
+    sh(label: "Stage tracked and changed git files", returnStdout: true, script: "git add ${changedItems}")
+
+    if(params.DRY_RUN) {
+      println "DRY RUN: commit message = '${commitMsg}'\n         changes = ${changedItems}"
+      sh(script: """
+        git reset HEAD * > /dev/null
+        git checkout * > /dev/null
+        """)
+    }
+    else {
+      println "ToDo: commit and push the changes"
+      //NOTE: The following code snippet may help...
+      //def theCredentials = getGitCredentialID()
+      //sshagent (credentials: [theCredentials]) {
+      //  sh(label: "Commit and push changes", returnStdout: true, script: """
+      //    git commit -m "${commitMsg}"
+      //    git push
+      //    """)
+      //}
+    }
+  }
+}