зеркало из https://github.com/microsoft/git.git
submodule: Search for merges only at end of recursive merge
The submodule merge search is not useful during virtual merges because the results cannot be used automatically. Furthermore any suggestions made by the search may apply to commits different than HEAD:sub and MERGE_HEAD:sub, thus confusing the user. Skip searching for submodule merges during a virtual merge such as that between B and C while merging the heads of: B---BC / \ / A X \ / \ C---CB Run the search only when the recursion level is zero (!o->call_depth). This fixes known breakage tested in t7405-submodule-merge. Signed-off-by: Brad King <brad.king@kitware.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Родитель
72251b7de6
Коммит
80988783c8
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@ -946,8 +946,10 @@ static struct merge_file_info merge_file_1(struct merge_options *o,
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free(result_buf.ptr);
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result.clean = (merge_status == 0);
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} else if (S_ISGITLINK(a->mode)) {
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result.clean = merge_submodule(result.sha, one->path, one->sha1,
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a->sha1, b->sha1);
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result.clean = merge_submodule(result.sha,
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one->path, one->sha1,
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a->sha1, b->sha1,
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!o->call_depth);
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} else if (S_ISLNK(a->mode)) {
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hashcpy(result.sha, a->sha1);
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@ -794,7 +794,7 @@ static void print_commit(struct commit *commit)
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int merge_submodule(unsigned char result[20], const char *path,
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const unsigned char base[20], const unsigned char a[20],
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const unsigned char b[20])
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const unsigned char b[20], int search)
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{
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struct commit *commit_base, *commit_a, *commit_b;
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int parent_count;
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@ -849,6 +849,10 @@ int merge_submodule(unsigned char result[20], const char *path,
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* user needs to confirm the resolution.
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*/
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/* Skip the search if makes no sense to the calling context. */
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if (!search)
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return 0;
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/* find commit which merges them */
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parent_count = find_first_merges(&merges, path, commit_a, commit_b);
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switch (parent_count) {
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@ -28,7 +28,7 @@ int fetch_populated_submodules(int num_options, const char **options,
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int quiet);
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unsigned is_submodule_modified(const char *path, int ignore_untracked);
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int merge_submodule(unsigned char result[20], const char *path, const unsigned char base[20],
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const unsigned char a[20], const unsigned char b[20]);
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const unsigned char a[20], const unsigned char b[20], int search);
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int check_submodule_needs_pushing(unsigned char new_sha1[20], const char *remotes_name);
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#endif
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@ -269,7 +269,7 @@ test_expect_success 'setup for recursive merge with submodule' '
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'
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# merge should leave submodule unmerged in index
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test_expect_failure 'recursive merge with submodule' '
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test_expect_success 'recursive merge with submodule' '
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(cd merge-recursive &&
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test_must_fail git merge top-bc &&
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echo "160000 $(git rev-parse top-cb:sub) 2 sub" > expect2 &&
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