Status embeds was broken on other branches besides main, now artifacts are always checked

.github/workflows/ci.yml

@@ -57,3 +57,26 @@ jobs:
 
       - name: Check code for possible improvements
         run: cargo clippy -- -D warnings
+
+
+      # Prepare the Pull Request Payload artifact. If this fails, we
+      # we fail silently using the `continue-on-error` option. It's
+      # nice if this succeeds, but if it fails for any reason, it
+      # does not mean that our lint-test checks failed.
+      - name: Prepare Pull Request Payload artifact
+        id: prepare-artifact
+        if: always() && github.event_name == 'pull_request'
+        continue-on-error: true
+        run: cat $GITHUB_EVENT_PATH | jq '.pull_request' > pull_request_payload.json
+
+      # This only makes sense if the previous step succeeded. To
+      # get the original outcome of the previous step before the
+      # `continue-on-error` conclusion is applied, we use the
+      # `.outcome` value. This step also fails silently.
+      - name: Upload a Build Artifact
+        if: always() && steps.prepare-artifact.outcome == 'success'
+        continue-on-error: true
+        uses: actions/upload-artifact@v2
+        with:
+          name: pull-request-payload
+          path: pull_request_payload.json

.github/workflows/status_embed.yml

@@ -7,13 +7,34 @@ on:
     types:
       - completed
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   status_embed:
+    # We need to send a status embed whenever the workflow
+    # sequence we're running terminates. There are a number
+    # of situations in which that happens:
+    #
+    # 1. We reach the end of the Deploy workflow, without
+    #    it being skipped.
+    #
+    # 2. A `pull_request` triggered a CI workflow,
+    #    as the sequence always terminates with one run.
+    #
+    # 3. If any workflow ends in failure or was cancelled.
+    if: >-
+      github.event.workflow_run.event == 'pull_request' ||
+      github.event.workflow_run.conclusion == 'failure' ||
+      github.event.workflow_run.conclusion == 'cancelled'
     name: Send Status Embed to Discord
     runs-on: ubuntu-latest
 
     steps:
-      # Process the artifact uploaded in the `pull_request`-triggered workflow:
+      # A workflow_run event does not contain all the information
+      # we need for a PR embed. That's why we upload an artifact
+      # with that information in the Lint workflow.
       - name: Get Pull Request Information
         id: pr_info
         if: github.event.workflow_run.event == 'pull_request'
@@ -38,12 +59,11 @@ jobs:
       - name: GitHub Actions Status Embed for Discord
         uses: SebastiaanZ/github-status-embed-for-discord@main
         with:
-          # Webhook token
+          # Our GitHub Actions webhook
           webhook_id: ${{ secrets.DISCORD_WEBHOOK_ID }}
           webhook_token: ${{ secrets.DISCORD_WEBHOOK_TOKEN }}
 
-          # We need to provide the information of the workflow that
-          # triggered this workflow instead of this workflow.
+          # Workflow information
           workflow_name: ${{ github.event.workflow_run.name }}
           run_id: ${{ github.event.workflow_run.id }}
           run_number: ${{ github.event.workflow_run.run_number }}
@@ -53,7 +73,6 @@ jobs:
           ref: ${{ github.ref }}
           sha: ${{ github.event.workflow_run.head_sha }}
 
-          # Now we can use the information extracted in the previous step:
           pr_author_login: ${{ steps.pr_info.outputs.pr_author_login }}
           pr_number: ${{ steps.pr_info.outputs.pr_number }}
           pr_title: ${{ steps.pr_info.outputs.pr_title }}