--- a/tests/test-import.t	Mon Jun 26 11:15:30 2023 +0100
+++ b/tests/test-import.t	Mon Jun 26 14:34:58 2023 +0200
@@ -371,7 +371,7 @@
   new changesets 80971e65b431
   updating to branch default
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
-  $ egrep -v '^(Subject|email)' msg.patch | hg --cwd b import -
+  $ grep -E -v '^(Subject|email)' msg.patch | hg --cwd b import -
   applying patch from stdin
   abort: empty commit message
   [10]