From f672c753eaa0a4e3850b307ccb9e078f31f98a5d Mon Sep 17 00:00:00 2001
From: Maurice Parrish <bmparr@google.com>
Date: Tue, 9 Feb 2021 17:42:57 -0800
Subject: [PATCH] add post merge labeler

---
 .github/post_merge_labeler.yml           |  2 ++
 .github/workflows/pull_request_label.yml | 23 +++++++++++++++++------
 2 files changed, 19 insertions(+), 6 deletions(-)
 create mode 100644 .github/post_merge_labeler.yml

diff --git a/.github/post_merge_labeler.yml b/.github/post_merge_labeler.yml
new file mode 100644
index 000000000000..c02eb411773e
--- /dev/null
+++ b/.github/post_merge_labeler.yml
@@ -0,0 +1,2 @@
+'needs-publishing':
+  - packages/*/**
diff --git a/.github/workflows/pull_request_label.yml b/.github/workflows/pull_request_label.yml
index 5016184d6d11..7b048d33e669 100644
--- a/.github/workflows/pull_request_label.yml
+++ b/.github/workflows/pull_request_label.yml
@@ -1,20 +1,31 @@
 # This workflow applies labels to pull requests based on the
 # paths that are modified in the pull request.
 #
-# Edit `.github/labeler.yml` to configure labels.
+# Edit `.github/labeler.yml` and `.github/post_merge_labeler.yml`
+# to configure labels.
 #
 # For more information, see: https://github.com/actions/labeler
 
 name: Pull Request Labeler
 
 on:
-  - pull_request_target
+  pull_request_target:
+    types: [opened, synchronize, reopened, closed]
 
 jobs:
   label:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/labeler@main
-      with:
-        repo-token: "${{ secrets.GITHUB_TOKEN }}"
-        sync-labels: true
+      - uses: actions/labeler@v3
+        with:
+          repo-token: "${{ secrets.GITHUB_TOKEN }}"
+          sync-labels: true
+
+  post_merge_label:
+    if: github.event.action == 'closed' && github.event.pull_request.merged == true
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/labeler@v3
+        with:
+          repo-token: "${{ secrets.GITHUB_TOKEN }}"
+          configuration-path: .github/post_merge_labeler.yml