Improve workflows

.github/workflows/actions-check.yaml

@@ -0,0 +1,33 @@
+name: Check actions
+on:
+  push:
+    paths:
+      - .github/workflows/*.yaml
+      - .github/workflows/*.yml
+  pull_request:
+    paths:
+      - .github/workflows/*.yaml
+      - .github/workflows/*.yml
+
+jobs:
+  check-actions-actionlint:
+    runs-on: ubuntu-latest
+    container:
+      image: ghcr.io/catthehacker/ubuntu:runner-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v5
+        with:
+          go-version: '1.23'
+      - run: |
+          go install github.com/rhysd/actionlint/cmd/actionlint@latest
+          actionlint .github/workflows/*.yaml
+  check-actions-yamllint:
+    runs-on: ubuntu-latest
+    container:
+      image: ghcr.io/catthehacker/ubuntu:runner-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v5
+      - run: |
+          pipx run yamllint .github/workflows/*.yaml

.github/workflows/flake-check.yaml

@@ -1,10 +1,10 @@
-name: flake-check
+name: Run nix flake check
 on:
   push:
   pull_request:
 
 jobs:
-  build:
+  flake-check:
     runs-on: ubuntu-latest
     container:
       image: ghcr.io/catthehacker/ubuntu:runner-latest

.github/workflows/flake-update.yaml

@@ -1,11 +1,11 @@
+---
 name: Periodic flake update
-on:
+on:  # yamllint disable-line rule:truthy
   schedule:
-    - cron: '0 */2 * * *'
-  workflow_dispatch:
+    - cron: "0 */2 * * *"
 
-  permissions:
-    contents: write
+permissions:
+  contents: write
 
 jobs:
   flake-update:
@@ -23,4 +23,3 @@ jobs:
         run: nix flake update --commit-lock-file
       - name: push
         run: git push
-        

flake.nix

@@ -132,7 +132,13 @@
       devShells = forAllSystems (
         { pkgs }:
         {
-          default = pkgs.mkShell { packages = with pkgs; [ pre-commit ]; };
+          default = pkgs.mkShell {
+            packages = with pkgs; [
+              act
+              actionlint
+              yamllint
+            ];
+          };
         }
       );
     };