2010-07-09 13:10:52 +00:00
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#!/bin/sh
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test_description='Test cherry-pick with directory/file conflicts'
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. ./test-lib.sh
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2011-02-03 15:31:42 +00:00
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test_expect_success 'Initialize repository' '
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2010-07-09 13:10:52 +00:00
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mkdir a &&
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>a/f &&
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git add a &&
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2011-02-03 15:31:42 +00:00
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git commit -m a
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'
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2010-07-09 13:10:52 +00:00
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2013-06-07 20:53:32 +00:00
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test_expect_success 'Setup rename across paths each below D/F conflicts' '
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2010-07-09 13:10:52 +00:00
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mkdir b &&
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2013-06-07 20:53:32 +00:00
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test_ln_s_add ../a b/a &&
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2010-07-09 13:10:52 +00:00
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git commit -m b &&
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git checkout -b branch &&
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rm b/a &&
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2013-06-07 20:53:32 +00:00
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git mv a b/a &&
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test_ln_s_add b/a a &&
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2010-07-09 13:10:52 +00:00
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git commit -m swap &&
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>f1 &&
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git add f1 &&
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git commit -m f1
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'
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2013-06-07 20:53:32 +00:00
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test_expect_success 'Cherry-pick succeeds with rename across D/F conflicts' '
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2010-07-09 13:10:52 +00:00
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git reset --hard &&
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git checkout master^0 &&
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git cherry-pick branch
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'
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2010-09-08 06:40:40 +00:00
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test_expect_success 'Setup rename with file on one side matching directory name on other' '
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git checkout --orphan nick-testcase &&
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git rm -rf . &&
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>empty &&
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git add empty &&
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git commit -m "Empty file" &&
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git checkout -b simple &&
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mv empty file &&
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mkdir empty &&
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mv file empty &&
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git add empty/file &&
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git commit -m "Empty file under empty dir" &&
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echo content >newfile &&
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git add newfile &&
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git commit -m "New file"
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'
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test_expect_success 'Cherry-pick succeeds with was_a_dir/file -> was_a_dir (resolve)' '
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git reset --hard &&
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git checkout -q nick-testcase^0 &&
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git cherry-pick --strategy=resolve simple
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'
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merge-recursive: D/F conflicts where was_a_dir/file -> was_a_dir
In merge-recursive.c, whenever there was a rename where a file name on one
side of the rename matches a directory name on the other side of the merge,
then the very first check that
string_list_has_string(&o->current_directory_set, ren1_dst)
would trigger forcing it into marking it as a rename/directory conflict.
However, if the path is only renamed on one side and a simple three-way
merge between the separate files resolves cleanly, then we don't need to
mark it as a rename/directory conflict. So, we can simply move the check
for rename/directory conflicts after we've verified that there isn't a
rename/rename conflict and that a threeway content merge doesn't work.
This changes the particular error message one gets in the case where the
directory name that a file on one side of the rename matches is not also
part of the rename pair. For example, with commits containing the files:
COMMON -> (HEAD, MERGE )
--------- --------------- -------
sub/file1 -> (sub/file1, newsub)
<NULL> -> (newsub/newfile, <NULL>)
then previously when one tried to merge MERGE into HEAD, one would get
CONFLICT (rename/directory): Rename sub/file1->newsub in HEAD directory newsub added in merge
Renaming sub/file1 to newsub~HEAD instead
Adding newsub/newfile
Automatic merge failed; fix conflicts and then commit the result.
After this patch, the error message will instead become:
Removing newsub
Adding newsub/newfile
CONFLICT (file/directory): There is a directory with name newsub in merge. Adding newsub as newsub~HEAD
Automatic merge failed; fix conflicts and then commit the result.
That makes more sense to me, because git can't know that there's a conflict
until after it's tried resolving paths involving newsub/newfile to see if
they are still in the way at the end (and if newsub/newfile is not in the
way at the end, there should be no conflict at all, which did not hold with
git previously).
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-09-08 06:40:41 +00:00
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test_expect_success 'Cherry-pick succeeds with was_a_dir/file -> was_a_dir (recursive)' '
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2010-09-08 06:40:40 +00:00
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git reset --hard &&
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git checkout -q nick-testcase^0 &&
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git cherry-pick --strategy=recursive simple
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'
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test_expect_success 'Setup rename with file on one side matching different dirname on other' '
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git reset --hard &&
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git checkout --orphan mergeme &&
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git rm -rf . &&
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mkdir sub &&
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mkdir othersub &&
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echo content > sub/file &&
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echo foo > othersub/whatever &&
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git add -A &&
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2013-09-04 22:28:45 +00:00
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git commit -m "Common commit" &&
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2010-09-08 06:40:40 +00:00
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git rm -rf othersub &&
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git mv sub/file othersub &&
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git commit -m "Commit to merge" &&
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git checkout -b newhead mergeme~1 &&
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>independent-change &&
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git add independent-change &&
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git commit -m "Completely unrelated change"
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'
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test_expect_success 'Cherry-pick with rename to different D/F conflict succeeds (resolve)' '
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git reset --hard &&
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git checkout -q newhead^0 &&
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git cherry-pick --strategy=resolve mergeme
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'
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merge-recursive: D/F conflicts where was_a_dir/file -> was_a_dir
In merge-recursive.c, whenever there was a rename where a file name on one
side of the rename matches a directory name on the other side of the merge,
then the very first check that
string_list_has_string(&o->current_directory_set, ren1_dst)
would trigger forcing it into marking it as a rename/directory conflict.
However, if the path is only renamed on one side and a simple three-way
merge between the separate files resolves cleanly, then we don't need to
mark it as a rename/directory conflict. So, we can simply move the check
for rename/directory conflicts after we've verified that there isn't a
rename/rename conflict and that a threeway content merge doesn't work.
This changes the particular error message one gets in the case where the
directory name that a file on one side of the rename matches is not also
part of the rename pair. For example, with commits containing the files:
COMMON -> (HEAD, MERGE )
--------- --------------- -------
sub/file1 -> (sub/file1, newsub)
<NULL> -> (newsub/newfile, <NULL>)
then previously when one tried to merge MERGE into HEAD, one would get
CONFLICT (rename/directory): Rename sub/file1->newsub in HEAD directory newsub added in merge
Renaming sub/file1 to newsub~HEAD instead
Adding newsub/newfile
Automatic merge failed; fix conflicts and then commit the result.
After this patch, the error message will instead become:
Removing newsub
Adding newsub/newfile
CONFLICT (file/directory): There is a directory with name newsub in merge. Adding newsub as newsub~HEAD
Automatic merge failed; fix conflicts and then commit the result.
That makes more sense to me, because git can't know that there's a conflict
until after it's tried resolving paths involving newsub/newfile to see if
they are still in the way at the end (and if newsub/newfile is not in the
way at the end, there should be no conflict at all, which did not hold with
git previously).
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-09-08 06:40:41 +00:00
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test_expect_success 'Cherry-pick with rename to different D/F conflict succeeds (recursive)' '
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2010-09-08 06:40:40 +00:00
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git reset --hard &&
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git checkout -q newhead^0 &&
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git cherry-pick --strategy=recursive mergeme
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'
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2010-07-09 13:10:52 +00:00
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test_done
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