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t3404: make test 57 work with dash and others

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The construct

	VAR=value test_must_fail command args

works only for some shells (such as bash) but not others (such as dash)
because VAR=value does not end up in the environment for command when it
is called by the shell function test_must_fail. That is why we explicitly
set and export variable in a subshell, i.e.

	(
		VAR=value &&
		export VAR &&
		test_must_fail command args
	)

in most places already, bar the newly introduced 57 from b64b7fe
(Add tests for rebase -i --root without --onto, 2012-06-26).

Make test 57 use that construct also.

Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael J Gruber 2012-07-04 13:32:04 +02:00 committed by Junio C Hamano
parent b64b7feb73
commit 994fd91d1f
1 changed files with 5 additions and 1 deletions
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6
t/t3404-rebase-interactive.sh
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@ -777,7 +777,11 @@ test_expect_success 'rebase -i --root retain root commit author and message' '
test_expect_success 'rebase -i --root temporary sentinel commit' '
git checkout B &&
FAKE_LINES="2" test_must_fail git rebase -i --root &&
(
FAKE_LINES="2" &&
export FAKE_LINES &&
test_must_fail git rebase -i --root
) &&
git cat-file commit HEAD | grep "^tree 4b825dc642cb" &&
git rebase --abort
'