From 7836b4faa320cccdeb25966dd8fefcf89107c564 Mon Sep 17 00:00:00 2001
From: Ned Batchelder <ned@nedbatchelder.com>
Date: Sun, 2 Oct 2022 21:39:36 -0400
Subject: fix: */foo matches "foo/x.py", to help with combining relative file
 names. #991

---
 coverage/files.py | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'coverage/files.py')

diff --git a/coverage/files.py b/coverage/files.py
index 4475f2f1..87a18bc2 100644
--- a/coverage/files.py
+++ b/coverage/files.py
@@ -296,6 +296,8 @@ def fnmatches_to_regex(patterns, case_insensitive=False, partial=False):
 
     """
     regexes = (fnmatch.translate(pattern) for pattern in patterns)
+    # */ at the start should also match nothing.
+    regexes = (re.sub(r"^\(\?s:\.\*(\\\\|/)", r"(?s:^(.*\1)?", regex) for regex in regexes)
     # Be agnostic: / can mean backslash or slash.
     regexes = (re.sub(r"/", r"[\\\\/]", regex) for regex in regexes)
 
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