Merge branch 'feat/add_mvn_extra_args' into 'master'

Feat/add mvn extra args

See merge request gilden/ci/gitlab-ci-templates!39

documentation/chapters/templates/push-tag-and-version-template.adoc

@@ -11,6 +11,7 @@ For more details: https://gitlab.exxcellent.de/gilden/ci/exxcellent-ssh-tool[Gil
 |Name |Description | Default Value
 |ARTIFACT | the name of the artifact the new version is written to by the `set-version` job |"version"
 |MVN_VERSION | defines if the `mvn version:set` command will be run | "true"
+|MVN_EXTRA_ARGS | sets extra args which will be added behind the `mvn` command | ""
 |===
 
 .push-tag-and-version-template

push-tag-and-version-template.gitlab-ci.yml

@@ -4,6 +4,7 @@
   variables:
     ARTIFACT: "version"
     MVN_VERSION: "false"
+    MVN_EXTRA_ARGS: ""
   before_script:
     - setup-ssh
   script:
@@ -15,6 +16,6 @@
     - curl "https://img.shields.io/static/v1?label=Version-&message=$VERSION&color=green" -o $ARTIFACT.svg
     - >
       if [ "${MVN_VERSION}" == "true" ]; then
-        mvn versions:set -DnewVersion=$VERSION -DgenerateBackupPoms=false
+        mvn $MVN_EXTRA_ARGS versions:set -DnewVersion=$VERSION -DgenerateBackupPoms=false
       fi
     - push $VERSION