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[PATCH v2 2/4] t6050: redirect expected error output to a file




Otherwise the error from `git rev-parse` is uselessly
polluting the debug output.

Redirecting to a file, instead of /dev/null, makes it
possible to check that we got the error we expected, so
let's check that too.

Reviewed-by: Taylor Blau <me@xxxxxxxxxxxx>
Helped-by: Eric Sunshine <sunshine@xxxxxxxxxxxxxx>
Helped-by: Ævar Arnfjörð Bjarmason <avarab@xxxxxxxxx>
Signed-off-by: Christian Couder <chriscool@xxxxxxxxxxxxx>
---
 t/t6050-replace.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/t/t6050-replace.sh b/t/t6050-replace.sh
index 41b177936e..948d278482 100755
--- a/t/t6050-replace.sh
+++ b/t/t6050-replace.sh
@@ -40,7 +40,8 @@ commit_peeling_shows_parents ()
 	test "$_found" = "$_parent" || return 1
 	_parent_number=$(( $_parent_number + 1 ))
     done &&
-    test_must_fail git rev-parse --verify $_commit^$_parent_number
+    test_must_fail git rev-parse --verify $_commit^$_parent_number 2>err &&
+    test_i18ngrep "Needed a single revision" err
 }
 
 commit_has_parents ()
-- 
2.21.0.69.g2d86a08d09