From d4d3c8d787d665499abd27b4e980cb2a34702013 Mon Sep 17 00:00:00 2001
From: "Sithideth Viengkhou (Riedel)" <sithideth.viengkhou@riedel.net>
Date: Mon, 30 Jun 2025 13:46:37 -0400
Subject: [PATCH 1/2] added license header - test.

---
 pre_commit_hooks/add_license_header.py | 66 ++++++++++++++++++++++++++
 setup.cfg                              |  1 +
 2 files changed, 67 insertions(+)
 create mode 100644 pre_commit_hooks/add_license_header.py

diff --git a/pre_commit_hooks/add_license_header.py b/pre_commit_hooks/add_license_header.py
new file mode 100644
index 00000000..27addf51
--- /dev/null
+++ b/pre_commit_hooks/add_license_header.py
@@ -0,0 +1,66 @@
+from __future__ import annotations
+
+import argparse
+from collections.abc import Generator
+from collections.abc import Sequence
+from typing import Any
+from typing import NamedTuple
+
+import ruamel.yaml
+
+yaml = ruamel.yaml.YAML(typ='safe')
+
+
+def _exhaust(gen: Generator[str]) -> None:
+    for _ in gen:
+        pass
+
+
+def _parse_unsafe(*args: Any, **kwargs: Any) -> None:
+    _exhaust(yaml.parse(*args, **kwargs))
+
+
+def _load_all(*args: Any, **kwargs: Any) -> None:
+    _exhaust(yaml.load_all(*args, **kwargs))
+
+
+class Key(NamedTuple):
+    multi: bool
+    unsafe: bool
+
+
+LOAD_FNS = {
+    Key(multi=False, unsafe=False): yaml.load,
+    Key(multi=False, unsafe=True): _parse_unsafe,
+    Key(multi=True, unsafe=False): _load_all,
+    Key(multi=True, unsafe=True): _parse_unsafe,
+}
+
+
+def main(argv: Sequence[str] | None = None) -> int:
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        '-m', '--multi', '--allow-multiple-documents', action='store_true',
+    )
+    parser.add_argument(
+        '--unsafe', action='store_true',
+        help=(
+            'Instead of loading the files, simply parse them for syntax.  '
+            'A syntax-only check enables extensions and unsafe constructs '
+            'which would otherwise be forbidden.  Using this option removes '
+            'all guarantees of portability to other yaml implementations.  '
+            'Implies --allow-multiple-documents'
+        ),
+    )
+    parser.add_argument('filenames', nargs='*', help='Filenames to check.')
+    args = parser.parse_args(argv)
+
+    load_fn = LOAD_FNS[Key(multi=args.multi, unsafe=args.unsafe)]
+
+    retval = 0
+    println("add_license_header.py")
+    return retval
+
+
+if __name__ == '__main__':
+    raise SystemExit(main())
diff --git a/setup.cfg b/setup.cfg
index c5e6e0bd..7f3fc747 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -60,6 +60,7 @@ console_scripts =
     requirements-txt-fixer = pre_commit_hooks.requirements_txt_fixer:main
     sort-simple-yaml = pre_commit_hooks.sort_simple_yaml:main
     trailing-whitespace-fixer = pre_commit_hooks.trailing_whitespace_fixer:main
+    add_license_header = pre_commit_hooks.add_license_header:main
 
 [bdist_wheel]
 universal = True

From 7bb3f26160a265e740885a7a6b69d59ec6bc1e98 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Mon, 30 Jun 2025 17:54:48 +0000
Subject: [PATCH 2/2] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 pre_commit_hooks/add_license_header.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pre_commit_hooks/add_license_header.py b/pre_commit_hooks/add_license_header.py
index 27addf51..09e436fb 100644
--- a/pre_commit_hooks/add_license_header.py
+++ b/pre_commit_hooks/add_license_header.py
@@ -58,7 +58,7 @@ def main(argv: Sequence[str] | None = None) -> int:
     load_fn = LOAD_FNS[Key(multi=args.multi, unsafe=args.unsafe)]
 
     retval = 0
-    println("add_license_header.py")
+    println('add_license_header.py')
     return retval