From 18eab2ef9a6e5fa1d9d7e93ea96710ad3949ccec Mon Sep 17 00:00:00 2001
From: hiroto7 <32275337+hiroto7@users.noreply.github.com>
Date: Tue, 6 Dec 2022 10:43:20 +0000
Subject: [PATCH] ignore: solve re.error on group name redefinition in pathspec
 0.10.x

Remove regex concatenation that causes re.error
Fixes #8217
---
 dvc/ignore.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/dvc/ignore.py b/dvc/ignore.py
index 2177768c29..2696e2678b 100644
--- a/dvc/ignore.py
+++ b/dvc/ignore.py
@@ -40,7 +40,7 @@ def __init__(self, pattern_list, dirname, sep):
         ]
 
         self.ignore_spec = [
-            (ignore, re.compile("|".join(item[0] for item in group)))
+            (ignore, [re.compile(item[0]) for item in group])
             for ignore, group in groupby(
                 self.regex_pattern_list, lambda x: x[1]
             )
@@ -107,8 +107,8 @@ def matches(pattern, path, is_dir) -> bool:
 
         result = False
 
-        for ignore, pattern in self.ignore_spec[::-1]:
-            if matches(pattern, path, is_dir):
+        for ignore, patterns in self.ignore_spec[::-1]:
+            if any(matches(pattern, path, is_dir) for pattern in patterns):
                 result = ignore
                 break
         return result