chore: Add YAML formatting script

Makefile

@@ -117,6 +117,10 @@ format: ensure-gofumpt
 	find . -name \*.go | xargs ./bin/gofumpt -extra -w
 	find . -name \*.txtar | xargs ${GO} run ./internal/cmds/lint-txtar -w
 
+.PHONY: format-yaml
+format-yaml:
+	find . -name \*.yaml -o -name \*.yml | xargs ./assets/scripts/format-yaml.py
+
 .PHONY: create-syso ensure-goversioninfo
 create-syso: ensure-goversioninfo
 	${GO} run ./internal/cmds/execute-template -output ./versioninfo.json ./assets/templates/versioninfo.json.tmpl

assets/scripts/format-yaml.py

@@ -0,0 +1,18 @@
+#!/usr/bin/env python3
+
+import sys
+
+from ruamel.yaml import YAML
+
+
+def main():
+    yaml = YAML()
+    for filename in sys.argv[1:]:
+        with open(filename) as file:
+            data = yaml.load(file)
+        with open(filename, 'w') as file:
+            yaml.dump(data, file)
+
+
+if __name__ == '__main__':
+    main()