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Warn when exclude pattern is not matched

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This commit is contained in:
Paul Hooijenga 2017-10-20 15:18:22 +02:00
parent 2a984c3746
commit 4466b9cd66
2 changed files with 71 additions and 15 deletions
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32
pre_commit/commands/run.py
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@ -38,14 +38,15 @@ def _hook_msg_start(hook, verbose):
def _filter_by_include_exclude(filenames, include, exclude):
include_re, exclude_re = re.compile(include), re.compile(exclude)
return {
filename for filename in filenames
if (
include_re.search(filename) and
not exclude_re.search(filename) and
os.path.lexists(filename)
)
}
filtered = set()
exclude_matched = False
for filename in filenames:
if include_re.search(filename):
if exclude_re.search(filename):
exclude_matched = True
elif os.path.lexists(filename):
filtered.add(filename)
return filtered, exclude_matched
def _filter_by_types(filenames, types, exclude_types):
@ -64,7 +65,13 @@ NO_FILES = '(no files to check)'
def _run_single_hook(filenames, hook, repo, args, skips, cols):
include, exclude = hook['files'], hook['exclude']
filenames = _filter_by_include_exclude(filenames, include, exclude)
filenames, excluded = _filter_by_include_exclude(
filenames, include, exclude,
)
if args.all_files and exclude != '^$' and not excluded:
logger.warning('The exclude pattern for {} did not match any files'
.format(_hook_msg_start(hook, args.verbose)))
types, exclude_types = hook['types'], hook['exclude_types']
filenames = _filter_by_types(filenames, types, exclude_types)
if hook['id'] in skips:
@ -181,7 +188,12 @@ def _run_hooks(config, repo_hooks, args, environ):
skips = _get_skips(environ)
cols = _compute_cols([hook for _, hook in repo_hooks], args.verbose)
filenames = _all_filenames(args)
filenames = _filter_by_include_exclude(filenames, '', config['exclude'])
filenames, excluded = _filter_by_include_exclude(
filenames, '', config['exclude'],
)
if args.all_files and config['exclude'] != '^$' and not excluded:
logger.warning('The global exclude pattern did not match any files')
retval = 0
for repo, hook in repo_hooks:
retval |= _run_single_hook(filenames, hook, repo, args, skips, cols)