Add auto merge workflow

.github/workflows/cleanup.yaml

@@ -0,0 +1,37 @@
+jobs:
+  cleanup:
+    runs-on: ubuntu-latest
+    steps:
+      - id: createGithubAppToken
+        uses: actions/create-github-app-token@v2
+        with:
+          app-id: ${{ vars.OPERATOR_APP_ID }}
+          private-key: ${{ secrets.OPERATOR_PRIVATE_KEY }}
+      - uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+          token: ${{ steps.createGithubAppToken.outputs.token }}
+      - env:
+          BASE_REF: ${{ github.base_ref }}
+          GITHUB_TOKEN: ${{ steps.createGithubAppToken.outputs.token }}
+          HEAD_REF: ${{ github.head_ref }}
+          REPO: ${{ github.repository }}
+        if: "!contains(github.event.pull_request.labels.*.name, 'ghstack')"
+        run: git push origin --delete "$HEAD_REF"
+      - env:
+          BASE_REF: ${{ github.base_ref }}
+          GITHUB_TOKEN: ${{ steps.createGithubAppToken.outputs.token }}
+          HEAD_REF: ${{ github.head_ref }}
+          REPO: ${{ github.repository }}
+        if: contains(github.event.pull_request.labels.*.name, 'ghstack')
+        run:
+          "for role in base head orig; do\n  git push origin --delete \"${HEAD_REF%/head}/$role\"\
+          \ || true\ndone\n"
+name: Cleanup
+"on":
+  check_suite:
+    types:
+      - completed
+  pull_request:
+    types:
+      - closed

.github/workflows/integration.yaml

@@ -0,0 +1,88 @@
+jobs:
+  check:
+    needs:
+      - triage
+    runs-on: ubuntu-latest
+    steps:
+      - id: createGithubAppToken
+        uses: actions/create-github-app-token@v2
+        with:
+          app-id: ${{ vars.OPERATOR_APP_ID }}
+          private-key: ${{ secrets.OPERATOR_PRIVATE_KEY }}
+      - uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+          token: ${{ steps.createGithubAppToken.outputs.token }}
+      - uses: shikanime-studio/setup-nix-action@v1
+        with:
+          github-token: ${{ steps.createGithubAppToken.outputs.token }}
+      - uses: shikanime-studio/direnv-action@v2
+      - run: nix flake check --accept-flake-config --all-systems --no-pure-eval
+  merge:
+    needs:
+      - check
+    runs-on: ubuntu-latest
+    steps:
+      - id: createGithubAppToken
+        uses: actions/create-github-app-token@v2
+        with:
+          app-id: ${{ vars.OPERATOR_APP_ID }}
+          private-key: ${{ secrets.OPERATOR_PRIVATE_KEY }}
+      - uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+          token: ${{ steps.createGithubAppToken.outputs.token }}
+      - uses: shikanime-studio/setup-nix-action@v1
+        with:
+          github-token: ${{ steps.createGithubAppToken.outputs.token }}
+      - env:
+          GITHUB_TOKEN: ${{ steps.createGithubAppToken.outputs.token }}
+          PR_HTML_URL: ${{ github.event.issue.pull_request.html_url }}
+        if:
+          contains(github.event.pull_request.labels.*.name, 'dependencies') && contains(github.event.issue.labels.*.name,
+          'ghstack')
+        run: nix run nixpkgs#sapling -- ghstack land "$PR_HTML_URL"
+      - env:
+          GITHUB_TOKEN: ${{ steps.createGithubAppToken.outputs.token }}
+          PR_HTML_URL: ${{ github.event.issue.pull_request.html_url }}
+        if:
+          contains(github.event.pull_request.labels.*.name, 'dependencies') && !contains(github.event.issue.labels.*.name,
+          'ghstack')
+        run: gh pr merge --auto "$PR_HTML_URL"
+  triage:
+    runs-on: ubuntu-latest
+    steps:
+      - id: createGithubAppToken
+        uses: actions/create-github-app-token@v2
+        with:
+          app-id: ${{ vars.OPERATOR_APP_ID }}
+          private-key: ${{ secrets.OPERATOR_PRIVATE_KEY }}
+      - uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+          token: ${{ steps.createGithubAppToken.outputs.token }}
+      - env:
+          GITHUB_TOKEN: ${{ steps.createGithubAppToken.outputs.token }}
+          PR_NUMBER: ${{ github.event.pull_request.number }}
+        if:
+          github.event.pull_request.user.login == 'yorha-operator-6o[bot]' || github.event.pull_request.user.login
+          == 'dependabot[bot]'
+        run: gh pr edit "$PR_NUMBER" --assignee @yorha-operator-6o
+      - env:
+          GITHUB_TOKEN: ${{ steps.createGithubAppToken.outputs.token }}
+          PR_NUMBER: ${{ github.event.pull_request.number }}
+        if:
+          github.event.pull_request.user.login == 'yorha-operator-6o[bot]' || github.event.pull_request.user.login
+          == 'dependabot[bot]'
+        run: gh pr edit "$PR_NUMBER" --add-label dependencies
+      - env:
+          GITHUB_TOKEN: ${{ steps.createGithubAppToken.outputs.token }}
+          PR_NUMBER: ${{ github.event.pull_request.number }}
+        if: startsWith(github.head_ref, 'gh/') && endsWith(github.head_ref, '/head')
+        run: gh pr edit "$PR_NUMBER" --add-label ghstack
+name: Integration
+"on":
+  pull_request:
+    branches:
+      - main
+      - gh/*/*/base

.github/workflows/main.yaml → .github/workflows/push.yaml

@@ -16,12 +16,8 @@ jobs:
           github-token: ${{ steps.createGithubAppToken.outputs.token }}
       - uses: shikanime-studio/direnv-action@v2
       - run: nix flake check --accept-flake-config --all-systems --no-pure-eval
-name: Main
+name: Push
 "on":
-  pull_request:
-    branches:
-      - main
-      - gh/*/*/base
   push:
     branches:
       - main