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cherry-pick: demonstrate a segmentation fault

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In https://github.com/git-for-windows/git/issues/952, a complicated
scenario was described that leads to a segmentation fault in
cherry-pick.

It boils down to a certain code path involving a renamed file that is
dirty, for which `refresh_cache_entry()` returns `NULL`, and that
`NULL` not being handled properly.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Schindelin 2016-11-26 13:48:02 +01:00 committed by Junio C Hamano
parent 1335d76e45
commit 05f2dfb965
1 changed files with 12 additions and 0 deletions
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12
t/t3501-revert-cherry-pick.sh
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@ -141,4 +141,16 @@ test_expect_success 'cherry-pick "-" works with arguments' '
test_cmp expect actual
'
test_expect_failure 'cherry-pick works with dirty renamed file' '
test_commit to-rename &&
git checkout -b unrelated &&
test_commit unrelated &&
git checkout @{-1} &&
git mv to-rename.t renamed &&
test_tick &&
git commit -m renamed &&
echo modified >renamed &&
git cherry-pick refs/heads/unrelated
'
test_done