create reproducible snapshot versions for docker and re enable presentation environment stage

Jenkinsfile

@@ -134,15 +134,12 @@ node('docker') {
           }
         }
 
-          stage('Presentation Environment') {
-            /**
-             * TODO does not match docker version (scm-packaging/docker)
-             * build job: 'scm-manager/next-scm.cloudogu.com', propagate: false, wait: false, parameters: [
-             *   string(name: 'changeset', value: commitHash),
-             *   string(name: 'imageTag', value: imageVersion)
-             * ]
-             */
-          }
+        stage('Presentation Environment') {
+          build job: 'scm-manager/next-scm.cloudogu.com', propagate: false, wait: false, parameters: [
+            string(name: 'changeset', value: commitHash),
+            string(name: 'imageTag', value: imageVersion)
+          ]
+        }
 
         if (isReleaseBranch()) {
           stage('Update Repository') {

scm-packaging/docker/pom.xml

@@ -149,7 +149,6 @@
         </configuration>
       </plugin>
 
-
       <plugin>
         <groupId>org.codehaus.gmavenplus</groupId>
         <artifactId>gmavenplus-plugin</artifactId>
@@ -172,21 +171,7 @@
             </goals>
             <configuration>
               <scripts>
-                <script>
-                  <![CDATA[
-                  def repository = "docker.io/scmmanager/scm-manager"
-                  def version = project.version
-
-                  if (version.contains("SNAPSHOT")) {
-                    repository = "docker.io/cloudogu/scm-manager"
-                    def format = new java.text.SimpleDateFormat("yyyyMMdd-HHmmss")
-                    version = version.replace("SNAPSHOT", format.format(new Date()))
-                  }
-
-                  project.properties.setProperty("docker.repository", repository)
-                  project.properties.setProperty("docker.tag", version)
-                  ]]>
-                </script>
+                <script>src/main/build/name.groovy</script>
               </scripts>
             </configuration>
           </execution>

scm-packaging/docker/src/main/build/name.groovy

@@ -0,0 +1,48 @@
+/**
+ * MIT License
+ *
+ * Copyright (c) 2020-present Cloudogu GmbH and Contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+import java.text.SimpleDateFormat
+
+def repository = "docker.io/scmmanager/scm-manager"
+def version = project.version
+
+if (version.contains("SNAPSHOT")) {
+  repository = "docker.io/cloudogu/scm-manager"
+
+  def commitHash = System.getenv("GIT_COMMIT")
+  def buildNumber = System.getenv("BUILD_NUMBER")
+
+  def snapshotVersion
+  if (commitHash != null && buildNumber != null) {
+    snapshotVersion = "${commitHash.substring(0,7)}-${buildNumber}"
+  } else {
+    def format = new SimpleDateFormat("yyyyMMdd-HHmmss")
+    snapshotVersion = format.format(new Date())
+  }
+
+  version = version.replace("SNAPSHOT", snapshotVersion)
+}
+
+project.properties.setProperty("docker.repository", repository)
+project.properties.setProperty("docker.tag", version)