OZG-6227 update jenkinsfile to upload jars from branches

Jenkinsfile

@@ -39,6 +39,26 @@ pipeline {
     	        }
  	       }
  	   } //stage check version
+        stage('Set Version') {
+          when {
+            not {
+                anyOf {
+                    branch 'master'
+                    branch 'release'
+                }
+            }
+          }
+          steps {
+                script {
+                    FAILED_STAGE=env.STAGE_NAME
+                    JAR_TAG = getPomVersion('pom.xml').replace("SNAPSHOT", "${env.BRANCH_NAME}-SNAPSHOT")
+                }
+                configFileProvider([configFile(fileId: 'maven-settings', variable: 'MAVEN_SETTINGS')]) {
+                    sh "mvn -s $MAVEN_SETTINGS versions:set -DnewVersion=${JAR_TAG} -DprocessAllModules=true"
+                    
+                }
+          }
+        } 
  	   stage('Build') {
  	       steps {
  	           script {
@@ -50,18 +70,14 @@ pipeline {
  	       }
  	   } //stage build
  	   stage('Deploy to nexus') {
- 	       when {
- 	           anyOf {
- 	               branch 'master'
- 	               branch 'release'
- 	           }
- 	       }
  	       steps {
  	           script {
  	               FAILED_STAGE = env.STAGE_NAME
  	           }
 				configFileProvider([configFile(fileId: 'maven-settings', variable: 'MAVEN_SETTINGS')]) {
                     sh 'mvn -s $MAVEN_SETTINGS -Pdeploy -DskipTests deploy'
+                    sh 'mvn -s $MAVEN_SETTINGS versions:revert'
+
                 }
  	       }
  	   } //stage deploy
@@ -99,3 +115,9 @@ String getElementAccessToken() {
         return readJSON ( text: sh (script: '''curl -XPOST -d \"$LOGIN_JSON\" https://matrix.ozg-sh.de/_matrix/client/v3/login''', returnStdout: true)).access_token
     }
 }
+
+String getPomVersion(String pomFile){
+    def pom = readMavenPom file: pomFile
+
+    return pom.version
+}
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