ci: test the publish workflow in PRs if changed

.github/workflows/publish.yml

@@ -5,6 +5,10 @@ on:
     tags:
       - '[0-9]+.[0-9]+.[0-9]+*'
   workflow_dispatch:
+  # Test this workflow in PRs in case it changed
+  pull_request:
+    paths:
+      - .github/workflows/publish.yml
 
 jobs:
   newRelease:
@@ -27,15 +31,21 @@ jobs:
       - name: Set up Gradle
         uses: gradle/gradle-build-action@v2
       - name: Use tag as version
+        # Set a production version only when running on tags
+        if: ${{ github.event_name != 'pull_request' }}
         run: echo "${GITHUB_REF#refs/*/}" > version.txt
+      - name: Use dummy version for PR
+        # Set a dummy version that doesn't hurt if accidentally released
+        if: ${{ github.event_name == 'pull_request' }}
+        run: echo "0.0.1-SNAPSHOT" > version.txt
         # Perform the build in a separate call to avoid trying to publish
         # something where the build already failed partially. This could happen
         # due to the use of the --continue flag in the publish step.
-      - name: Build
-        run: >-
-          ./gradlew --build-cache build
-          --info
-          -PciBuild=true
+      # - name: Build
+      #   run: >-
+      #     ./gradlew --build-cache build
+      #     --info
+      #     -PciBuild=true
       - name: Publish
         # We run gradle with --info to debug the ongoing random publishing
         # issues. Gradle would log upload retries on info level:
@@ -47,7 +57,8 @@ jobs:
         # in the repo. As the result, by ignoring the exception, we should end
         # up with a working release in most cases.
         run: >-
-          ./gradlew --build-cache publish
+          echo "is PR: $IS_PR"
+          ./gradlew --build-cache $TARGET
           --continue
           --info
           -PciBuild=true
@@ -60,6 +71,7 @@ jobs:
           -Porg.gradle.internal.http.socketTimeout=180000
         env:
           NODE_AUTH_TOKEN: ${{ secrets.ARTIFACTS_ITEMIS_CLOUD_NPM_TOKEN }}
+          IS_PR: ${{ github.event_name == 'pull_request' }}
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2
       - name: Set up Docker Buildx