From 184faa7af9751094d0b4b0d15ac8a23333159949 Mon Sep 17 00:00:00 2001
From: Andreas Herrmann <andreas.herrmann@tweag.io>
Date: Wed, 25 Mar 2020 11:25:38 +0100
Subject: [PATCH] Configure mergify

Taking rules_haskell's mergify configuration as an example.
---
 .github/settings.yml |  3 +++
 .mergify.yml         | 28 ++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 .mergify.yml

diff --git a/.github/settings.yml b/.github/settings.yml
index db94b610..569a41d9 100644
--- a/.github/settings.yml
+++ b/.github/settings.yml
@@ -33,3 +33,6 @@ labels:
     color: 0052cc
   - name: "wontfix"
     color: ffffff
+  - name: "merge-queue"
+    color: 0e8a16
+    description: "merge on green CI"
diff --git a/.mergify.yml b/.mergify.yml
new file mode 100644
index 00000000..9a924a87
--- /dev/null
+++ b/.mergify.yml
@@ -0,0 +1,28 @@
+pull_request_rules:
+  - name: automatic merge
+    conditions:
+      - "status-success~=buildkite/rules-nixpkgs(|/pr)"
+      - "#approved-reviews-by>=1"
+      - "label=merge-queue"
+      - "base=master"
+    actions:
+      merge:
+        method: merge
+        strict: smart
+        strict_method: rebase
+
+  - name: delete head branch after merge
+    conditions:
+      - merged
+      - closed
+    actions:
+      delete_head_branch: {}
+
+  - name: remove from merge-queue after merge
+    conditions:
+      - merged
+    actions:
+      label:
+        remove:
+          - "merge-queue"
+