ci: backport config

.backportrc.json

@@ -0,0 +1,11 @@
+{
+	"repoOwner": "agritheory",
+	"repoName": "check_run",
+	"targetBranchChoices": [
+		"version-14",
+		"version-15"
+	],
+	"branchLabelMapping": {
+		"^backport-to-(.+)$": "$1"
+	}
+}

.github/workflows/backport.yml

@@ -0,0 +1,24 @@
+name: Automatic backport action
+
+on:
+  pull_request_target:
+    types: ["labeled", "closed"]
+
+jobs:
+  backport:
+    name: Backport PR
+    runs-on: ubuntu-latest
+    steps:
+      - name: Backport Action
+        uses: sorenlouv/[email protected]
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          auto_backport_label_prefix: backport-to-
+
+      - name: Info log
+        if: ${{ success() }}
+        run: cat ~/.backport/backport.info.log
+
+      - name: Debug log
+        if: ${{ failure() }}
+        run: cat ~/.backport/backport.debug.log