Update fly-review.yml

Author: unkn-wn

.github/workflows/fly-review.yml

@@ -1,8 +1,11 @@
 name: Deploy Review App
 on:
   # Run this workflow on every PR event. Existing review apps will be updated when the PR is updated.
-  pull_request:
-    types: [opened, reopened, synchronize, closed]
+  # pull_request:
+  #   types: [opened, reopened, synchronize, closed]
+  # Add trigger for comments on PRs
+  issue_comment:
+    types: [created, edited]
 
 env:
   FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}
@@ -11,11 +14,18 @@ env:
 jobs:
   review_app:
     runs-on: ubuntu-latest
+    # Run if commented by me
+    if: |
+      github.event_name == 'pull_request' ||
+      (github.event_name == 'issue_comment' &&
+       github.event.issue.pull_request &&
+       contains(github.event.comment.body, '/deploy') &&
+       github.event.comment.user.login == 'unkn-wn')
     outputs:
       url: ${{ steps.deploy.outputs.url }}
     # Only run one deployment at a time per PR.
     concurrency:
-      group: pr-${{ github.event.number }}
+      group: pr-${{ github.event.issue.number }}
 
     # Deploying apps with this "review" environment allows the URL for the app to be displayed in the PR UI.
     # Feel free to change the name of this environment.
@@ -26,6 +36,9 @@ jobs:
     steps:
       - name: Get code
         uses: actions/checkout@v4
+        with:
+          # For comment events, we need to checkout the PR's code
+          ref: ${{ github.event_name == 'issue_comment' && format('refs/pull/{0}/head', github.event.issue.number) || '' }}
 
       - name: Deploy PR app to Fly.io
         id: deploy