Compact workflow.

.github/workflows/publish.yml

@@ -2,30 +2,35 @@ name: publish
 
 on:
   pull_request:
-    types: [closed]
+    types: [ closed ]
 
 jobs:
   tag:
+    if: github.event.pull_request.merged == true
     runs-on: ubuntu-latest
     steps:
+      - name: Get release label of the pull request.
+        uses: actions-ecosystem/action-release-label@v1
+        id: release-label
+
+      - name: Cancel if the the p.r. does not have the release labels.
+        if: ${{ steps.release-label.outputs.level == null }}
+        run: exit 1
+
       - name: Cancel Previous Workflow Runs
         uses: n1hility/cancel-previous-runs@v2.0
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - uses: actions/checkout@v2
 
-      - uses: actions-ecosystem/action-release-label@v1
-        id: release-label
-        if: ${{ github.event.pull_request.merged == true }}
-
-      - uses: actions-ecosystem/action-get-latest-tag@v1
+      - name: Get the latest tag.
+        uses: actions-ecosystem/action-get-latest-tag@v1
         id: get-latest-tag
-        if: ${{ steps.release-label.outputs.level != null }}
 
-      - uses: actions-ecosystem/action-bump-semver@v1
+      - name: Bump and return the new version.
+        uses: actions-ecosystem/action-bump-semver@v1
         id: bump-semver
-        if: ${{ steps.release-label.outputs.level != null }}
         with:
           current_version: ${{ steps.get-latest-tag.outputs.tag }}
           level: ${{ steps.release-label.outputs.level }}
@@ -36,20 +41,20 @@ jobs:
           java-version: 1.8
 
       - name: Import GPG key
-        id: import_gpg
         uses: crazy-max/ghaction-import-gpg@v3
+        id: import_gpg
         with:
           gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}
           passphrase: ${{ secrets.GPG_PASSPHRASE }}
 
-      - name: action turnstyle
-        uses: softprops/turnstyle@v0.1.3
-
       - name: Generate settings.xml for Maven Builds
         uses: whelk-io/maven-settings-xml-action@v12
         with:
           servers: '[{ "id": "oss.sonatype.org", "username": "${{ secrets.SONATYPE_USERNAME }}", "password": "${{ secrets.SONATYPE_PASSWORD }}"}]'
 
+      - name: action turnstyle
+        uses: softprops/turnstyle@v0.1.3
+
       - name: Publish with Maven
         run: |
           [[ "${{ steps.bump-semver.outputs.new_version }}" =~ ^[0-9]+(\.[0-9]+)*$ ]] || exit -1
@@ -60,7 +65,6 @@ jobs:
 
       - name: Create a Release
         uses: actions/create-release@v1.1.4
-        if: ${{ steps.release-label.outputs.level != null }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with: