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-rw-r--r--src/merge.c173
1 files changed, 36 insertions, 137 deletions
diff --git a/src/merge.c b/src/merge.c
index a279d31d4..68c9f66e2 100644
--- a/src/merge.c
+++ b/src/merge.c
@@ -2226,64 +2226,6 @@ static int merge_normalize_checkout_opts(
return error;
}
-static int merge_affected_paths(git_vector *paths, git_repository *repo, git_index *index_new)
-{
- git_tree *head_tree = NULL;
- git_iterator *iter_head = NULL, *iter_new = NULL;
- git_diff *merged_list = NULL;
- git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
- git_diff_delta *delta;
- size_t i;
- const git_index_entry *e;
- char *path;
- int error = 0;
-
- if ((error = git_repository_head_tree(&head_tree, repo)) < 0 ||
- (error = git_iterator_for_tree(&iter_head, head_tree, GIT_ITERATOR_DONT_IGNORE_CASE, NULL, NULL)) < 0 ||
- (error = git_iterator_for_index(&iter_new, index_new, GIT_ITERATOR_DONT_IGNORE_CASE, NULL, NULL)) < 0 ||
- (error = git_diff__from_iterators(&merged_list, repo, iter_head, iter_new, &opts)) < 0)
- goto done;
-
- git_vector_foreach(&merged_list->deltas, i, delta) {
- path = git__strdup(delta->new_file.path);
- GITERR_CHECK_ALLOC(path);
-
- if ((error = git_vector_insert(paths, path)) < 0)
- goto on_error;
- }
-
- for (i = 0; i < git_index_entrycount(index_new); i++) {
- e = git_index_get_byindex(index_new, i);
-
- if (git_index_entry_stage(e) != 0 &&
- (git_vector_last(paths) == NULL ||
- strcmp(git_vector_last(paths), e->path) != 0)) {
-
- path = git__strdup(e->path);
- GITERR_CHECK_ALLOC(path);
-
- if ((error = git_vector_insert(paths, path)) < 0)
- goto on_error;
- }
- }
-
- goto done;
-
-on_error:
- git_vector_foreach(paths, i, path)
- git__free(path);
-
- git_vector_clear(paths);
-
-done:
- git_tree_free(head_tree);
- git_iterator_free(iter_head);
- git_iterator_free(iter_new);
- git_diff_free(merged_list);
-
- return error;
-}
-
static int merge_check_index(size_t *conflicts, git_repository *repo, git_index *index_new, git_vector *merged_paths)
{
git_tree *head_tree = NULL;
@@ -2372,99 +2314,58 @@ done:
return error;
}
-int git_merge__indexes(git_repository *repo, git_index *index_new)
+int git_merge__check_result(git_repository *repo, git_index *index_new)
{
- git_index *index_repo = NULL;
- int index_repo_caps = 0;
+ git_tree *head_tree = NULL;
+ git_iterator *iter_head = NULL, *iter_new = NULL;
+ git_diff *merged_list = NULL;
+ git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
+ git_diff_delta *delta;
git_vector paths = GIT_VECTOR_INIT;
- size_t index_conflicts = 0, wd_conflicts = 0, conflicts, i;
- char *path;
+ size_t i, index_conflicts = 0, wd_conflicts = 0, conflicts;
const git_index_entry *e;
- const git_index_name_entry *name;
- const git_index_reuc_entry *reuc;
int error = 0;
- if ((error = git_repository_index(&index_repo, repo)) < 0)
- goto done;
-
- /* Set the index to case sensitive to handle the merge */
- index_repo_caps = git_index_caps(index_repo);
-
- if ((error = git_index_set_caps(index_repo, (index_repo_caps & ~GIT_INDEXCAP_IGNORE_CASE))) < 0)
- goto done;
-
- /* Make sure the index and workdir state do not prevent merging */
- if ((error = merge_affected_paths(&paths, repo, index_new)) < 0 ||
- (error = merge_check_index(&index_conflicts, repo, index_new, &paths)) < 0 ||
- (error = merge_check_workdir(&wd_conflicts, repo, index_new, &paths)) < 0)
- goto done;
-
- if ((conflicts = index_conflicts + wd_conflicts) > 0) {
- giterr_set(GITERR_MERGE, "%d uncommitted change%s would be overwritten by merge",
- conflicts, (conflicts != 1) ? "s" : "");
- error = GIT_EMERGECONFLICT;
-
+ if ((error = git_repository_head_tree(&head_tree, repo)) < 0 ||
+ (error = git_iterator_for_tree(&iter_head, head_tree, GIT_ITERATOR_DONT_IGNORE_CASE, NULL, NULL)) < 0 ||
+ (error = git_iterator_for_index(&iter_new, index_new, GIT_ITERATOR_DONT_IGNORE_CASE, NULL, NULL)) < 0 ||
+ (error = git_diff__from_iterators(&merged_list, repo, iter_head, iter_new, &opts)) < 0)
goto done;
- }
- /* Remove removed items from the index */
- git_vector_foreach(&paths, i, path) {
- if (git_index_get_bypath(index_new, path, 0) == NULL) {
- if ((error = git_index_remove(index_repo, path, 0)) < 0 &&
- error != GIT_ENOTFOUND)
- goto done;
- }
- }
-
- /* Add updated items to the index */
- git_vector_foreach(&paths, i, path) {
- if ((e = git_index_get_bypath(index_new, path, 0)) != NULL) {
- if ((error = git_index_add(index_repo, e)) < 0)
- goto done;
- }
+ git_vector_foreach(&merged_list->deltas, i, delta) {
+ if ((error = git_vector_insert(&paths, (char *)delta->new_file.path)) < 0)
+ goto done;
}
- /* Add conflicts */
- git_index_conflict_cleanup(index_repo);
-
for (i = 0; i < git_index_entrycount(index_new); i++) {
e = git_index_get_byindex(index_new, i);
if (git_index_entry_stage(e) != 0 &&
- (error = git_index_add(index_repo, e)) < 0)
- goto done;
- }
+ (git_vector_last(&paths) == NULL ||
+ strcmp(git_vector_last(&paths), e->path) != 0)) {
- /* Add name entries */
- git_index_name_clear(index_repo);
-
- for (i = 0; i < git_index_name_entrycount(index_new); i++) {
- name = git_index_name_get_byindex(index_new, i);
-
- if ((error = git_index_name_add(index_repo,
- name->ancestor, name->ours, name->theirs)) < 0)
- goto done;
+ if ((error = git_vector_insert(&paths, (char *)e->path)) < 0)
+ goto done;
+ }
}
- /* Add the reuc */
- git_index_reuc_clear(index_repo);
-
- for (i = 0; i < git_index_reuc_entrycount(index_new); i++) {
- reuc = (git_index_reuc_entry *)git_index_reuc_get_byindex(index_new, i);
+ /* Make sure the index and workdir state do not prevent merging */
+ if ((error = merge_check_index(&index_conflicts, repo, index_new, &paths)) < 0 ||
+ (error = merge_check_workdir(&wd_conflicts, repo, index_new, &paths)) < 0)
+ goto done;
- if ((error = git_index_reuc_add(index_repo, reuc->path,
- reuc->mode[0], &reuc->oid[0],
- reuc->mode[1], &reuc->oid[1],
- reuc->mode[2], &reuc->oid[2])) < 0)
- goto done;
+ if ((conflicts = index_conflicts + wd_conflicts) > 0) {
+ giterr_set(GITERR_MERGE, "%d uncommitted change%s would be overwritten by merge",
+ conflicts, (conflicts != 1) ? "s" : "");
+ error = GIT_EMERGECONFLICT;
}
done:
- if (index_repo != NULL)
- git_index_set_caps(index_repo, index_repo_caps);
-
- git_index_free(index_repo);
- git_vector_free_deep(&paths);
+ git_vector_free(&paths);
+ git_tree_free(head_tree);
+ git_iterator_free(iter_head);
+ git_iterator_free(iter_new);
+ git_diff_free(merged_list);
return error;
}
@@ -2657,7 +2558,7 @@ int git_merge(
git_checkout_options checkout_opts;
git_merge_head *ancestor_head = NULL, *our_head = NULL;
git_tree *ancestor_tree = NULL, *our_tree = NULL, **their_trees = NULL;
- git_index *index_new = NULL, *index_repo = NULL;
+ git_index *index_new = NULL;
size_t i;
int error = 0;
@@ -2697,10 +2598,9 @@ int git_merge(
/* TODO: recursive, octopus, etc... */
if ((error = git_merge_trees(&index_new, repo, ancestor_tree, our_tree, their_trees[0], merge_opts)) < 0 ||
- (error = git_merge__indexes(repo, index_new)) < 0 ||
- (error = git_repository_index(&index_repo, repo)) < 0 ||
- (error = git_merge__append_conflicts_to_merge_msg(repo, index_repo)) < 0 ||
- (error = git_checkout_index(repo, index_repo, &checkout_opts)) < 0)
+ (error = git_merge__check_result(repo, index_new)) < 0 ||
+ (error = git_merge__append_conflicts_to_merge_msg(repo, index_new)) < 0 ||
+ (error = git_checkout_index(repo, index_new, &checkout_opts)) < 0)
goto on_error;
goto done;
@@ -2710,7 +2610,6 @@ on_error:
done:
git_index_free(index_new);
- git_index_free(index_repo);
git_tree_free(ancestor_tree);
git_tree_free(our_tree);