Add YAML linting with yamllint

.github/actions/cpan-test/action.yml

@@ -88,4 +88,3 @@ runs:
         name: cpan_log
         path: /home/runner/.cpanm/work/*/build.log
         retention-days: 5
-

.github/workflows/ci.yml

@@ -0,0 +1,22 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - '**.yml'
+      - '**.yaml'
+      - '.yamllint'
+  pull_request:
+    branches: [main]
+    paths:
+      - '**.yml'
+      - '**.yaml'
+      - '.yamllint'
+  workflow_dispatch:
+
+permissions: {}
+
+jobs:
+  yaml-lint:
+    uses: ./.github/workflows/yaml-lint.yml

.github/workflows/cpan-complexity.yml

@@ -22,4 +22,3 @@ jobs:
       - name: Run countperl
         run: |
           countperl lib
-

.github/workflows/cpan-kwality.yml

@@ -15,4 +15,3 @@ jobs:
         run: |
           perlcritic .
         continue-on-error: true
-

.github/workflows/cpan-perlcritic.yml

@@ -19,4 +19,3 @@ jobs:
         run: |
           perlcritic -${{ inputs.level }} .
         continue-on-error: true
-

.github/workflows/cpan-release.yml

@@ -38,4 +38,3 @@ jobs:
           jq -r .name META.json
           jq -r .version META.json
           ls -l *.tar.gz
-

.github/workflows/cpan-test.yml

@@ -33,4 +33,3 @@ jobs:
           perl_version: ${{ matrix.perl }}
           os: ${{ matrix.os }}
           testing_context: ${{ inputs.testing_context }}
-

.github/workflows/yaml-lint.yml

@@ -0,0 +1,19 @@
+name: YAML Linting
+
+on:
+  workflow_call:
+
+permissions:
+  contents: read
+
+jobs:
+  yaml-lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - name: Install yamllint
+        run: |
+          pip install yamllint==1.38.0
+      - name: Run yamllint
+        run: |
+          yamllint .

.yamllint

@@ -0,0 +1,20 @@
+---
+extends: default
+
+rules:
+  # Allow longer lines for GitHub Actions workflows (URLs, etc.)
+  line-length:
+    max: 120
+    level: warning
+
+  # Document start is not required for GitHub Actions
+  document-start: disable
+
+  # Limit trailing empty lines to 1 maximum
+  empty-lines:
+    max: 1
+
+  # Allow truthy values (on, off, yes, no) in GitHub Actions
+  truthy:
+    allowed-values: ['true', 'false', 'on', 'off']
+    check-keys: false

README.md

@@ -49,6 +49,10 @@ Runs `perlcritic` against your Perl code
 
 * ***level***: A number from 1 to 5 defining how brutal `perlcritic` will be. The default is 5
 
+#### yaml-lint
+
+Lints YAML files using `yamllint` to ensure they follow best practices and are properly formatted
+
 ### In early development
 
 These workflows aren't guaranteed to do what they need to yet. They'll probably change quickly