Add support for reassign-reviewer through label (#15422)

Author: ScottSuarez

.ci/magician/cmd/reassign_reviewer.go

@@ -111,6 +111,8 @@ func execReassignReviewer(prNumber, newPrimaryReviewer string, gh GithubClient)
 		return err
 	}
 
+	gh.RemoveLabel(prNumber, "assign-reviewer")
+
 	return nil
 }
 

.github/workflows/reassign-reviewer.yml

@@ -6,11 +6,13 @@ on:
   issue_comment:
     types:
       - created
-
+  pull_request:
+    types:
+      - labeled
 
 jobs:
-  reassign-reviewer:
-    if: ${{ github.event.issue.pull_request }}
+  reassign-reviewer-from-comment:
+    if: ${{ github.event.issue.pull_request && github.event_name == 'issue_comment' }}
     runs-on: ubuntu-22.04
     permissions:
       pull-requests: write
@@ -41,3 +43,26 @@ jobs:
       - name: Run command
         if: steps.read-comment.outputs.match != ''
         run: .ci/magician/magician reassign-reviewer ${{ github.event.issue.number }} ${{ github.event.comment.user.login }} ${{ steps.read-comment.outputs.group1 }}
+
+  reassign-reviewer-from-label:
+    if: ${{ github.event_name == 'pull_request' && github.event.label.name == 'assign-reviewer' }}
+    runs-on: ubuntu-22.04
+    permissions:
+      pull-requests: write
+    env:
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.2
+        with:
+          ref: main
+      - name: Set up Go
+        uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5.0.0
+        with:
+          go-version: '^1.21'
+      - name: Build magician
+        run: |
+          cd .ci/magician
+          go build .
+      - name: Run command
+        run: .ci/magician/magician reassign-reviewer ${{ github.event.pull_request.number }} ${{ github.event.sender.login }}