ci: add yamllint

.github/dependabot.yml

@@ -1,15 +1,15 @@
 version: 2
 updates:
   - package-ecosystem: pip
-    directory: "/"
+    directory: /
     schedule:
       interval: daily
-      time: "09:00"
+      time: 09:00
       timezone: Europe/Paris
     open-pull-requests-limit: 10
   - package-ecosystem: github-actions
     directory: /
     schedule:
       interval: daily
-      time: "09:00"
+      time: 09:00
       timezone: Europe/Paris

.mergify.yml

@@ -26,7 +26,7 @@ pull_request_rules:
           - check-success = test (3.13)
       - "#approved-reviews-by=0"
       - "#changes-requested-reviews-by=0"
-      - "review-requested != @devs"
+      - review-requested != @devs
     actions:
       request_reviews:
         teams:

.yamllint.yml

@@ -0,0 +1,22 @@
+extends: default
+ignore: |
+  .git
+  spectral-lint/node_modules
+  zfixtures
+  .venv
+rules:
+  document-start: disable
+  truthy: disable
+  comments:
+    level: error
+  # Buggy checks:
+  # https://github.com/adrienverge/yamllint/issues/375
+  # https://github.com/adrienverge/yamllint/issues/141
+  # https://github.com/adrienverge/yamllint/issues/384
+  comments-indentation: disable
+  line-length:
+    max: 110
+  quoted-strings:
+    quote-type: double
+    required: only-when-needed
+    allow-quoted-quotes: true

poe.toml

@@ -14,6 +14,7 @@ sequence = [
   "mypy",
   "codespell",
   "semgrep --config=auto --error --timeout=15",
+  "yamllint .",
 ]
 
 [tool.poe.tasks.setup]

pyproject.toml

@@ -21,6 +21,7 @@ pytest = "^8.3.4"
 poethepoet = "^0.31.1"
 codespell = "^2.3.0"
 semgrep = "^1.99.0"
+yamllint = "^1.35.1"
 
 [build-system]
 requires = ["poetry-core"]