Check conda-lock.yml

.github/workflows/pull.request.yml

@@ -21,18 +21,26 @@ jobs:
         run: |
           set +e
           git diff --quiet ..master -- environment.yml
-          echo "diff=$?" >> "$GITHUB_OUTPUT"
+          echo "env_diff=$?" >> "$GITHUB_OUTPUT"
+
+      - name: Check conda-lock.yml diff
+        id: conda_lock_yml_diff
+        run: |
+          set +e
+          git diff --quiet ..master -- conda-lock.yml
+          echo "lock_diff=$?" >> "$GITHUB_OUTPUT"
 
       - uses: actions/github-script@v7
-        if: ${{ steps.environment_yml_diff.outputs.diff != 0 }}
+        if: ${{ steps.environment_yml_diff.outputs.env_diff != 0 && steps.conda_lock_yml_diff.outputs.lock_diff == 0 }}
         with:
           script: |
             github.rest.issues.createComment({
               issue_number: context.issue.number,
               owner: context.repo.owner,
               repo: context.repo.repo,
-              body: ${{ format('@{0} Changes detected in `environment.yml`.', github.event.pull_request.user.login) }}
+              body: 'Changes detected in `environment.yml` but `conda-lock.yml` is not updated.'
             })
+            core.setFailed('conda-lock.yml needs to be updated')
 
   build:
     name: ${{ matrix.os }}