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t/t5510: demonstrate failure to fetch when current branch has merge ref

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When 'git fetch' is supplied just a repository URL (not a remote name),
and without a fetch refspec, it should fetch from the remote HEAD branch
and update FETCH_HEAD with the fetched ref.  Currently, when 'git fetch'
is called like this, it fails to retrieve anything, and does not update
FETCH_HEAD, if the current checked-out branch has a configured merge ref.

i.e. this fetch fails to retrieve anything nor update FETCH_HEAD:

   git checkout master
   git config branch.master.merge refs/heads/master
   git fetch git://git.kernel.org/pub/scm/git/git.git

but this one does:

   git config --unset branch.master.merge
   git fetch git://git.kernel.org/pub/scm/git/git.git

Add a test to demonstrate this flaw.

Signed-off-by: Brandon Casey <casey@nrlssc.navy.mil>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Brandon Casey 2010-08-25 12:52:55 -05:00 committed by Junio C Hamano
parent d599e0484f
commit 6106ce4669
1 changed files with 6 additions and 0 deletions
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6
t/t5510-fetch.sh
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@ -240,6 +240,12 @@ test_expect_success 'fetch with a non-applying branch.<name>.merge' '
git fetch blub
'
test_expect_failure 'fetch from GIT URL with a non-applying branch.<name>.merge' '
git update-ref -d FETCH_HEAD &&
git fetch one &&
git rev-parse --verify FETCH_HEAD
'
# the strange name is: a\!'b
test_expect_success 'quoting of a strangely named repo' '
test_must_fail git fetch "a\\!'\''b" > result 2>&1 &&