Switch from reusable workflow to workflow_dispatch events

Main reason being that, when using reusable workflow
the workflow is literally embed into the called one and
that makes badges and integrations to stop working.

We want the "Test and publish" workflow to be executed
standalone, hence, invoking it via workflow_dispatch.

.github/workflows/test_buildx_and_publish.yml

@@ -1,4 +1,4 @@
-name: Test and publish
+name: Test, build and publish
 
 on:
   push:
@@ -84,7 +84,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       # https://github.com/docker/build-push-action#multi-platform-image
-      - name: Build and push to Docker Hub and Github registries
+      - name: Build and publish to Docker Hub and Github registries
         uses: docker/build-push-action@v3
         with:
           context: .

.github/workflows/trigger_new_builds.yml

@@ -1,4 +1,4 @@
-name: Trigger new builds
+name: Conditional new builds
 
 # If any of the criteria happens, they set the trigger_build
 # output variable to 'true' and the rebuild will happen.
@@ -19,6 +19,7 @@ jobs:
 
     outputs:
       trigger_build: ${{ steps.calculate.outputs.result }}
+      docker_tag: ${{ steps.calculate.outputs.tag }}
 
     steps:
 
@@ -35,13 +36,14 @@ jobs:
               tag=${{ env.GITHUB_REF_SLUG }}
           fi
           echo "LOG: docker tag: $tag"
+          echo "tag=$tag" >> $GITHUB_OUTPUT
 
           # Extract the timezonedb version from the image.
           current=$(docker run -t --rm moodlehq/moodle-php-apache:$tag php -r 'echo timezone_version_get();')
           echo "LOG: current: $current"
 
           # Look for the latest tag available @ https://github.com/php/pecl-datetime-timezonedb
-          latest=$(curl -s "https://api.github.com/repos/php/pecl-datetime-timezonedb/tags" | jq -r '.[0].name')
+          latest=$(curl -s "https://api.github.com/repos/php/pecl-datetime-timezonedb/tags" | jq -r '.[0].name' || true)
           echo "LOG: latest: $latest"
 
           # Compare the versions (digits only), if current < latest, then we need to rebuild.
@@ -56,13 +58,12 @@ jobs:
   # if any of them has ended with the "trigger_build" output set, then
   # will set its own (final) trigger_build output to 'true'.
   evaluate-results:
-    # Completely avoid forks and pull requests to try this job.
-    if: github.repository_owner == 'moodlehq' && contains(fromJson('["workflow_dispatch"]'), github.event_name)
     runs-on: ubuntu-latest
     needs: [datetimedb-new-release]
 
     outputs:
       trigger_build: ${{ steps.evaluate.outputs.result }}
+      docker_tag: ${{ needs.datetimedb-new-release.outputs.docker_tag }}
 
     steps:
 
@@ -80,8 +81,12 @@ jobs:
   build:
     # Only if the final workflow.outputs.trigger_build from evaluate job has decided to build.
     if: needs.evaluate-results.outputs.trigger_build == 'true'
+    runs-on: ubuntu-latest
     needs: [evaluate-results]
 
-    # Launch the build job (as reusable workflow).
-    uses: ./.github/workflows/test_buildx_and_publish.yml
-    secrets: inherit
+    steps:
+
+    - name: Launch the Test and publish workflow (${{ needs.evaluate-results.outputs.docker_tag }})
+      uses: benc-uk/workflow-dispatch@v1
+      with:
+        workflow: Test, build and publish