Clean workflow

Author: james-toussaint

.github/workflows/coverage.yml

@@ -4,9 +4,6 @@ on:
       - feature/* # TODO: Remove it
       - develop
       - main
-env:
-  # Setting an environment variable with the value of a configuration variable
-  env_var: ${{ vars.ENV_CONTEXT_VAR }}
 
 jobs:
   coverage:
@@ -20,15 +17,18 @@ jobs:
         run: (npm run coverage 2>&1) | tee /tmp/coverage.out | cat
       - name: Extract coverage
         run: echo "COVERAGE=$(cat /tmp/coverage.out | grep "Global test coverage")" >> $GITHUB_ENV
-      - name: Print coverage
-        run: echo $COVERAGE
-      - name: Create Check Run
+      - name: Create coverage check run # Publish coverage summary to Github PR checks
+        # See https://docs.github.com/en/rest/checks/runs?apiVersion=2022-11-28#create-a-check-run
+        # and https://www.kenmuse.com/blog/creating-github-checks/
         env:
           GH_TOKEN: ${{ github.token }}
-        run: |
+        run: | # TODO: Set "failure" conclusion if coverage is too low
           curl -L -X POST \
            -H "Accept: application/vnd.github+json" \
            -H "Authorization: Bearer $GH_TOKEN"\
            -H "X-GitHub-Api-Version: 2022-11-28" \
            https://api.github.com/repos/${{ github.repository }}/check-runs \
-           -d '{"name":"Coverage ratio", "head_sha":"${{ github.event.pull_request.head.sha }}", "status":"completed", "conclusion":"success","output":{"title":"${{env.COVERAGE}}", "summary":""}}' 
+           -d '{"name":"Coverage ratio", "head_sha":"${{ github.event.pull_request.head.sha }}",\
+            "status":"completed", "conclusion":"success",\
+            "output":{"title":"${{env.COVERAGE}}", "summary":""}}'
+