t7700: demonstrate repack flaw which may loosen objects unnecessarily
If an unreferenced object exists in both a local pack and in either a pack residing in an alternate object database or a local kept pack, then the pack-objects call made by repack will loosen that object only to have it immediately pruned by repack's call to prune-packed. Signed-off-by: Brandon Casey <drafnel@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Brandon Casey committed
Mar 21, 2009 at 17:25 UTC
869a3d34c1aea92a10bc8eaa994bd55f4b0b04f2
1 file changed
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t/t7700-repack.sh
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@@ -113,5 +113,22 @@ test_expect_success 'packed unreachable obs in alternate ODB are not loosened' '
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test_must_fail git show $csha1
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'
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+test_expect_failure 'local packed unreachable obs that exist in alternate ODB are not loosened' '
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+ echo `pwd`/alt_objects > .git/objects/info/alternates &&
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+ echo "$csha1" | git pack-objects --non-empty --all --reflog pack &&
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+ rm -f .git/objects/pack/* &&
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+ mv pack-* .git/objects/pack/ &&
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+ # The pack-objects call on the next line is equivalent to
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+ # git repack -A -d without the call to prune-packed
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+ git pack-objects --honor-pack-keep --non-empty --all --reflog \
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+ --unpack-unreachable </dev/null pack &&
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+ rm -f .git/objects/pack/* &&
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+ mv pack-* .git/objects/pack/ &&
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+ test 0 = $(git verify-pack -v -- .git/objects/pack/*.idx |
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+ egrep "^$csha1 " | sort | uniq | wc -l) &&
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+ echo > .git/objects/info/alternates &&
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+ test_must_fail git show $csha1
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+'
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+
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test_done
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