feat: add a job for running semantic-release in dry-run mode

semantic-release.yml

@@ -3,25 +3,58 @@
 # Note:
 # * Runs in the release stage
-semantic_release:
-  stage: release
-  image: node:18
-  variables:
-    GITLAB_URL: $CI_SERVER_URL
+.semantic_release_common:
   before_script:
     - if [[ -n "$SEMANTIC_RELEASE_GITLAB_TOKEN" ]]; then
         export GITLAB_TOKEN=$SEMANTIC_RELEASE_GITLAB_TOKEN;
       fi
-    # Allow the semantic release job to fetch all the latest changes on the
-    # default branch before performing the semantic release.
-    # Required for delayed releases...
-    - git checkout "$CI_DEFAULT_BRANCH" && git pull && git fetch --tags
     - npm install -g
         @commitlint/cli@^17
         @commitlint/config-conventional@^17
         @semantic-release/gitlab@^9
         conventional-changelog-conventionalcommits@^4
         semantic-release@^19
+
+semantic_release_dry_run:
+  stage: release
+  image: node:18
+  variables:
+    GITLAB_URL: $CI_SERVER_URL
+  before_script:
+    - !reference [.semantic_release_common, before_script]
+  script:
+    - semantic-release --dry-run --no-ci --branches $CI_COMMIT_BRANCH
+  rules:
+    # Only run on gitlab.com
+    - if: $CI_SERVER_HOST != "gitlab.com"
+      when: never
+
+    # Don't run on $CI_DEFAULT_BRANCH pushes
+    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
+      when: never
+
+    # Don't run for tags
+    - if: $CI_COMMIT_TAG
+      when: never
+
+    # # Do not run unless we have a token
+    - if: $GL_TOKEN == null && $GITLAB_TOKEN == null
+      when: never
+
+    # Only run for git pushes to branches
+    - if: $CI_PIPELINE_SOURCE == "push"
+
+semantic_release:
+  stage: release
+  image: node:18
+  variables:
+    GITLAB_URL: $CI_SERVER_URL
+  before_script:
+    - !reference [.semantic_release_common, before_script]
+    # Allow the semantic release job to fetch all the latest changes on the
+    # default branch before performing the semantic release.
+    # Required for delayed releases...
+    - git checkout "$CI_DEFAULT_BRANCH" && git pull && git fetch --tags
   script:
     - semantic-release
   after_script: |