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t3509: Add rename + D/F conflict testcase that recursive strategy fails

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When one side of a file rename matches a directory name on the other side,
the recursive merge strategy will fail.  This is true even if the merge is
trivially resolvable.

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Elijah Newren 2010-09-08 00:40:40 -06:00 committed by Junio C Hamano
parent 154adcf9c0
commit 56bfd762e5
1 changed files with 66 additions and 0 deletions
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66
t/t3509-cherry-pick-merge-df.sh
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@ -32,4 +32,70 @@ test_expect_success SYMLINKS 'Cherry-pick succeeds with rename across D/F confli
git cherry-pick branch
'
test_expect_success 'Setup rename with file on one side matching directory name on other' '
git checkout --orphan nick-testcase &&
git rm -rf . &&
>empty &&
git add empty &&
git commit -m "Empty file" &&
git checkout -b simple &&
mv empty file &&
mkdir empty &&
mv file empty &&
git add empty/file &&
git commit -m "Empty file under empty dir" &&
echo content >newfile &&
git add newfile &&
git commit -m "New file"
'
test_expect_success 'Cherry-pick succeeds with was_a_dir/file -> was_a_dir (resolve)' '
git reset --hard &&
git checkout -q nick-testcase^0 &&
git cherry-pick --strategy=resolve simple
'
test_expect_failure 'Cherry-pick succeeds with was_a_dir/file -> was_a_dir (recursive)' '
git reset --hard &&
git checkout -q nick-testcase^0 &&
git cherry-pick --strategy=recursive simple
'
test_expect_success 'Setup rename with file on one side matching different dirname on other' '
git reset --hard &&
git checkout --orphan mergeme &&
git rm -rf . &&
mkdir sub &&
mkdir othersub &&
echo content > sub/file &&
echo foo > othersub/whatever &&
git add -A &&
git commit -m "Common commmit" &&
git rm -rf othersub &&
git mv sub/file othersub &&
git commit -m "Commit to merge" &&
git checkout -b newhead mergeme~1 &&
>independent-change &&
git add independent-change &&
git commit -m "Completely unrelated change"
'
test_expect_success 'Cherry-pick with rename to different D/F conflict succeeds (resolve)' '
git reset --hard &&
git checkout -q newhead^0 &&
git cherry-pick --strategy=resolve mergeme
'
test_expect_failure 'Cherry-pick with rename to different D/F conflict succeeds (recursive)' '
git reset --hard &&
git checkout -q newhead^0 &&
git cherry-pick --strategy=recursive mergeme
'
test_done