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t5700: document a failure of alternates to affect fetch

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If an alternate supplies some, but not all, of the objects needed for
a fetch, fetch-pack nevertheless generates "want" lines for the
alternate objects that are present.  Demonstrate this problem via a
failing test.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael Haggerty 2012-02-11 07:20:55 +01:00 committed by Junio C Hamano
parent b6b3b6a01f
commit acede2ebc9
1 changed files with 31 additions and 3 deletions
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34
t/t5700-clone-reference.sh
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@ -52,13 +52,13 @@ test_cmp expected current'
cd "$base_dir"
rm -f "$U"
rm -f "$U.D"
test_expect_success 'cloning with reference (no -l -s)' \
'GIT_DEBUG_SEND_PACK=3 git clone --reference B "file://$(pwd)/A" D 3>"$U"'
'GIT_DEBUG_SEND_PACK=3 git clone --reference B "file://$(pwd)/A" D 3>"$U.D"'
test_expect_success 'fetched no objects' \
'! grep "^want" "$U"'
'! grep "^want" "$U.D"'
cd "$base_dir"
@ -153,4 +153,32 @@ test_expect_success 'clone with reference from a tagged repository' '
git clone --reference=A A I
'
test_expect_success 'prepare branched repository' '
git clone A J &&
(
cd J &&
git checkout -b other master^ &&
echo other >otherfile &&
git add otherfile &&
git commit -m other &&
git checkout master
)
'
rm -f "$U.K"
test_expect_failure 'fetch with incomplete alternates' '
git init K &&
echo "$base_dir/A/.git/objects" >K/.git/objects/info/alternates &&
(
cd K &&
git remote add J "file://$base_dir/J" &&
GIT_DEBUG_SEND_PACK=3 git fetch J 3>"$U.K"
) &&
master_object=$(cd A && git for-each-ref --format="%(objectname)" refs/heads/master) &&
! grep "^want $master_object" "$U.K" &&
tag_object=$(cd A && git for-each-ref --format="%(objectname)" refs/tags/HEAD) &&
! grep "^want $tag_object" "$U.K"
'
test_done