From a8b3ea09e27f4031e7ce1b12f4130a725b44ec08 Mon Sep 17 00:00:00 2001
From: Matthew Pickering <matthewtpickering@gmail.com>
Date: Mon, 2 May 2022 12:39:01 +0100
Subject: ci: Add job to check that jobs.yaml is up-to-date

There have been quite a few situations where jobs.yaml has been out of
date. It's better to add a CI job which checks that it's right.

We don't want to use a staged pipeline because it obfuscates the
structure of the pipeline.
---
 .gitlab-ci.yml | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 57535cd2b7..957259619c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -250,6 +250,28 @@ lint-author:
     - if: $CI_MERGE_REQUEST_ID
     - *drafts-can-fail-lint
 
+lint-ci-config:
+  image: "nixos/nix:2.8.0"
+  extends: .lint
+  variables:
+    BUILD_FLAVOUR: default
+  before_script:
+    - mkdir -p ~/.cabal
+    - cp -Rf cabal-cache/* ~/.cabal || true
+  script:
+    - nix shell --extra-experimental-features nix-command --extra-experimental-features flakes nixpkgs#cabal-install -c cabal update
+    - .gitlab/generate_jobs
+        # 1 if .gitlab/generate_jobs changed the output of the generated config
+    - nix shell --extra-experimental-features nix-command --extra-experimental-features flakes nixpkgs#git -c git diff --exit-code
+  after_script:
+    - rm -Rf cabal-cache
+    - cp -Rf ~/.cabal cabal-cache
+  dependencies: []
+  cache:
+    key: lint-ci-$CACHE_REV
+    paths:
+      - cabal-cache
+
 lint-submods:
   extends: .lint-submods
   # Allow failure on merge requests since any necessary submodule patches may
-- 
cgit v1.2.1