Lint yaml more aggressively

.github/workflows/readme-updated.yaml

@@ -1,3 +1,4 @@
+---
 name: Check README.md helptext
 
 on:
@@ -12,17 +13,17 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - name: Checkout code
-      uses: actions/checkout@v2
+      - name: Checkout code
+        uses: actions/checkout@v2
 
-    - name: Install duct
-      run: |
-        pip install .
+      - name: Install duct
+        run: |
+          pip install .
 
-    - name: Update README.md helptext
-      run: |
-        ./.update-readme-help.sh
+      - name: Update README.md helptext
+        run: |
+          ./.update-readme-help.sh
 
-    - name: Ensure no diff
-      run: |
-        git diff --exit-code
+      - name: Ensure no diff
+        run: |
+          git diff --exit-code

.github/workflows/release.yml

@@ -1,3 +1,4 @@
+---
 name: Auto-release on PR merge
 
 on:

.github/workflows/test.yaml

@@ -1,3 +1,4 @@
+---
 name: Test
 
 on:

.pre-commit-config.yaml

@@ -1,37 +1,46 @@
+---
 # See https://pre-commit.com for more information
 # See https://pre-commit.com/hooks.html for more hooks
 exclude: (profilers|sandbox|\.chatgpt)
 repos:
--   repo: https://github.com/pre-commit/pre-commit-hooks
+  - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v4.4.0
     hooks:
-    -   id: trailing-whitespace
-    -   id: end-of-file-fixer
-    -   id: check-yaml
-    -   id: check-added-large-files
--   repo: https://github.com/psf/black
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-yaml
+      - id: check-added-large-files
+  - repo: https://github.com/psf/black
     rev: 23.1.0
     hooks:
-    -   id: black
--   repo: https://github.com/PyCQA/isort
+      - id: black
+  - repo: https://github.com/PyCQA/isort
     rev: 5.12.0
     hooks:
-    -   id: isort
--   repo: https://github.com/PyCQA/flake8
+      - id: isort
+  - repo: https://github.com/PyCQA/flake8
     rev: 6.0.0
     hooks:
       - id: flake8
         additional_dependencies:
           - flake8-bugbear
           - flake8-builtins
           - flake8-unused-arguments
-- repo: https://github.com/codespell-project/codespell
-  rev: v2.2.6
-  hooks:
-  - id: codespell
-- repo: local
-  hooks:
-    - id: update-readme
-      name: Update README with --help output
-      entry: ./.update-readme-help.sh
-      language: system
+  - repo: https://github.com/codespell-project/codespell
+    rev: v2.2.6
+    hooks:
+      - id: codespell
+  - repo: local
+    hooks:
+      - id: update-readme
+        name: Update README with --help output
+        entry: ./.update-readme-help.sh
+        language: system
+  - repo: local
+    hooks:
+      - id: yamllint
+        name: "YAML linting with yamllint"
+        entry: yamllint
+        language: system
+        types: [yaml]
+        args: ["."]

.update-readme-help.sh

@@ -1,5 +1,6 @@
 #!/bin/bash
+set -e
+rm -f .help_content.txt
 duct --help > .help_content.txt
 sed -i '/<\!--- BEGIN HELP -->/,/<\!--- END HELP -->/{//!d;}' README.md
-sed -i '/<\!--- BEGIN HELP -->/r .help_content.txt' README.md
-rm .help_content.txt
+sed -i '/<\!--- BEGIN HELP -->/r .help_content.txt' README.md && rm -f .help_content.txt

.yamllint.yaml

@@ -0,0 +1,34 @@
+---
+
+yaml-files:
+  - '*.yaml'
+  - '*.yml'
+  - '.yamllint'
+
+rules:
+  line-length: disable
+  truthy: disable
+  anchors: enable
+  braces: enable
+  brackets: enable
+  colons: enable
+  commas: enable
+  comments:
+    level: warning
+  comments-indentation:
+    level: warning
+  document-end: disable
+  document-start:
+    level: warning
+  empty-lines: enable
+  empty-values: disable
+  float-values: disable
+  hyphens: enable
+  indentation: enable
+  key-duplicates: enable
+  key-ordering: disable
+  new-line-at-end-of-file: enable
+  new-lines: enable
+  octal-values: disable
+  quoted-strings: disable
+  trailing-spaces: enable