Add wildcard matching to no-commit-to-branch hook so that commits can

be blocked on, for example, all release branches with 'release/*'

README.md

@@ -79,7 +79,7 @@ Add this to your `.pre-commit-config.yaml`
 - `name-tests-test` - Assert that files in tests/ end in `_test.py`.
     - Use `args: ['--django']` to match `test*.py` instead.
 - `no-commit-to-branch` - Protect specific branches from direct checkins.
-    - Use `args: [--branch, staging, --branch, master]` to set the branch.
+    - Use `args: [--branch, staging, --branch, master, --branch, release/*]` to set the branch.
       `master` is the default if no argument is set.
     - `-b` / `--branch` may be specified multiple times to protect multiple
       branches.

pre_commit_hooks/no_commit_to_branch.py

@@ -1,6 +1,7 @@
 from __future__ import print_function
 
 import argparse
+import fnmatch
 from typing import Optional
 from typing import Sequence
 from typing import Set
@@ -11,11 +12,12 @@ from pre_commit_hooks.util import cmd_output
 
 def is_on_branch(protected):  # type: (Set[str]) -> bool
     try:
-        branch = cmd_output('git', 'symbolic-ref', 'HEAD')
+        ref_name = cmd_output('git', 'symbolic-ref', 'HEAD')
     except CalledProcessError:
         return False
-    chunks = branch.strip().split('/')
+    chunks = ref_name.strip().split('/')
-    return '/'.join(chunks[2:]) in protected
+    branch_name = '/'.join(chunks[2:])
+    return any(fnmatch.fnmatch(branch_name, s) for s in protected)
 
 
 def main(argv=None):  # type: (Optional[Sequence[str]]) -> int

tests/no_commit_to_branch_test.py

@@ -44,6 +44,19 @@ def test_forbid_multiple_branches(temp_git_dir, branch_name):
         assert main(('--branch', 'b1', '--branch', 'b2'))
 
 
+def test_branch_wildcard_fail(temp_git_dir):
+    with temp_git_dir.as_cwd():
+        cmd_output('git', 'checkout', '-b', 'another/branch')
+        assert is_on_branch({'another/*'}) is True
+
+
+@pytest.mark.parametrize('branch_name', ('master', 'another/branch'))
+def test_branch_wildcard_multiple_branches_fail(temp_git_dir, branch_name):
+    with temp_git_dir.as_cwd():
+        cmd_output('git', 'checkout', '-b', branch_name)
+        assert main(('--branch', 'master', '--branch', 'another/*'))
+
+
 def test_main_default_call(temp_git_dir):
     with temp_git_dir.as_cwd():
         cmd_output('git', 'checkout', '-b', 'anotherbranch')