feat: Add a MAVEN_PROJECT_DIR

Needed to control root directory in a monorepo project.
For example, project with frontend in JS and backend in Java.

README.md

@@ -22,6 +22,7 @@ The Maven template uses some global configuration used throughout all jobs.
 | Name                  | description                            | default value     |
 | --------------------- | -------------------------------------- | ----------------- |
 | `MAVEN_IMAGE`         | The Docker image used to run Maven <br/>:warning: **set the version required by your project** | `maven:latest` |
+| AVEN_PROJECT_DIR`     | Maven projet root directory | `.` |
 | `MAVEN_CFG_DIR`       | The Maven configuration directory      | `.m2`             |
 | `MAVEN_OPTS`          | [Global Maven options](http://maven.apache.org/configure.html#maven_opts-environment-variable) | `-Dhttps.protocols=TLSv1.2 -Dmaven.repo.local=${MAVEN_CFG_DIR}/repository -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=WARN -Dorg.slf4j.simpleLogger.showDateTime=true -Djava.awt.headless=true` |
 | `MAVEN_CLI_OPTS`      | Additional [Maven options](https://maven.apache.org/ref/3-LATEST/maven-embedder/cli.html) used on the command line | `--batch-mode --errors --fail-at-end --show-version -DinstallAtEnd=true -DdeployAtEnd=true` |

kicker.json

@@ -9,6 +9,12 @@
       "description": "The Docker image used to run Maven - **set the version required by your project**",
       "default": "maven:latest"
     },
+    {
+      "name": "MAVEN_PROJECT_DIR",
+      "description": "Maven project root directory",
+      "default": ".",
+      "advanced": true
+    },
     {
       "name": "MAVEN_CFG_DIR",
       "description": "The Maven configuration directory",

templates/gitlab-ci-maven.yml

@@ -14,6 +14,9 @@
 # Floor, Boston, MA  02110-1301, USA.
 # =========================================================================================
 variables:
+  # Default Maven project root directory
+  MAVEN_PROJECT_DIR: .
+
   # Maven image (can be overridden)
   MAVEN_IMAGE: "maven:latest"
 
@@ -450,6 +453,7 @@ stages:
     - install_ca_certs "${CUSTOM_CA_CERTS:-$DEFAULT_CA_CERTS}"
     - eval_java_proxy_args
     - eval_mvn_settings_opt
+    - cd ${MAVEN_PROJECT_DIR}
   # Cache downloaded dependencies and plugins between builds.
   # To keep cache across branches add 'key: "$CI_JOB_NAME"'
   cache:
@@ -472,9 +476,9 @@ mvn-build:
     when: always
     reports:
       junit:
-        - "**/target/*-reports/TEST-*.xml"
+        - "${MAVEN_PROJECT_DIR}/**/target/*-reports/TEST-*.xml"
     paths:
-      - "**/target"
+      - "${MAVEN_PROJECT_DIR}/**/target"
   rules:
     # exclude merge requests
     - if: '$CI_MERGE_REQUEST_ID == null'
@@ -533,7 +537,7 @@ mvn-dependency-check:
     expire_in: 1 day
     when: always
     paths:
-      - "**/target/dependency-check-report.*"
+      - "${MAVEN_PROJECT_DIR}/**/target/dependency-check-report.*"
 
 mvn-forbid-snapshot-dependencies:
   extends: .mvn-base