Detect issue 64

cpburnz · Nov 10, 2022 · a19166b · a19166b
1 parent 6043106
commit a19166b
Showing 1 changed file with 11 additions and 2 deletions.
diff --git a/pathspec/gitignore.py b/pathspec/gitignore.py
@@ -16,7 +16,8 @@
 from .pattern import (
 	Pattern)
 from .patterns.gitwildmatch import (
-	GitWildMatchPattern)
+	GitWildMatchPattern,
+	GitWildMatchPatternError)
 from .util import (
 	_is_iterable)
 
@@ -101,7 +102,15 @@ def _match_file(
 					# Pattern matched.
 
 					# Check for directory marker.
-					dir_mark = match.match.group('ps_d')
+					try:
+						dir_mark = match.match.group('ps_d')
+					except IndexError as e:
+						# NOTICE: The exact content of this error message is subject
+						# to change.
+						raise GitWildMatchPatternError((
+							"Bad git pattern encountered: file={!r} regex={!r} match={!r}."
+						).format(file, pattern.regex, match.match)) from e
+
 					if dir_mark:
 						# Pattern matched by a directory pattern.
 						priority = 1