fix: update baseline workflow

.github/workflows/update_regression_baseline.yml

@@ -2,8 +2,8 @@
 name: Update Regression Baseline
 
 on:
-  # issue_comment: # event runs on the default branch
-  #   types: [created]
+  issue_comment: # trigger from comment; event runs on the default branch
+    types: [created]
   pull_request:
     branches:
       - main
@@ -20,9 +20,9 @@ jobs:
       username: ${{ github.event.pull_request.user.login }} # ${{ github.actor }}
 
     steps:
-    # - name: Get PR branch
-    #   uses: xt0rted/pull-request-comment-branch@v1
-    #   id: comment-branch
+    - name: Get PR branch
+      uses: xt0rted/pull-request-comment-branch@v1
+      id: comment-branch
 
     - name: Checkout PR branch
       uses: actions/checkout@v3
@@ -46,13 +46,12 @@ jobs:
       run: |
         git config --global user.name '$username'
         git config --global user.email '[email protected]'
-        
-        # # Check if regression test results exist in main branch
-        # if [ -f 'git cat-file -e main:tests/regression_test_baselines.json' ]; then
-        #   git checkout main tests/regression_test_baselines.json
-        # else
-        #   echo "No regression test results found in main branch"
-        # fi
+        # Check if regression test results exist in main branch
+        if [ -f 'git cat-file -e main:tests/regression_test_baselines.json' ]; then
+          git checkout main tests/regression_test_baselines.json
+        else
+          echo "No regression test results found in main branch"
+        fi
         NEW_BASELINE=1 pytest -m regression
 
     - name: Add Baseline update report to PR comment
@@ -70,12 +69,18 @@ jobs:
             repo: context.repo.repo,
             body: `## New Baselines \n\`\`\`\n${TestReport}\n\`\`\``
           });
-        
-        
+                
     - name: Commit and push
       if: github.event.pull_request.base.ref == 'main'
       run: |
         git add -f tests/regression_test_baselines.json # since it's in .gitignore
         git commit -m "Update regression test baselines"
-        # git push origin HEAD:${{ steps.comment-branch.outputs.head_sha }}
-        git push origin HEAD:${{ github.head_ref }}
+        git push origin HEAD:${{ github.head_ref }}
+    
+    # Needed when workflow is triggered from a comment
+    # - name: Commit and push
+    #   if: github.event.pull_request.base.ref == 'main'
+    #   run: |
+    #     git add -f tests/regression_test_baselines.json # since it's in .gitignore
+    #     git commit -m "Update regression test baselines"
+    #     git push origin HEAD:${{ steps.comment-branch.outputs.head_sha }}