t7508: avoid non POSIX BRE

24c30e0b6 (wt-status: tolerate dangling marks, 2020-09-01) adds a test
that uses a BRE which breaks at least with OpenBSD's grep.

switch to an ERE as it is done for similar checks and while at it, remove
the now obsolete test_i18ngrep call.

Signed-off-by: Carlo Marcelo Arenas Belón <carenas@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t7508-status.sh b/t/t7508-status.sh
index 2b72451ba3ed23eff7d726564845ce14f98e2cc1..05c6c02435d5b99f406470f1cf18acdd0bc9757a 100755 (executable)
--- a/t/t7508-status.sh
+++ b/t/t7508-status.sh
@@ -882,7 +882,7 @@ test_expect_success 'status shows detached HEAD properly after checking out non-
        git clone upstream downstream &&
        git -C downstream checkout @{u} &&
        git -C downstream status >actual &&
-       test_i18ngrep "HEAD detached at [0-9a-f]\\+" actual
+       grep -E "HEAD detached at [0-9a-f]+" actual
 '
 
 test_expect_success 'setup status submodule summary' '