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diff conflicts: don't include incorrect ID

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Since a diff entry only concerns a single entry, zero the information
for the index side of a conflict.  (The index entry would otherwise
erroneously include the lowest-stage index entry - generally the
ancestor of a conflict.)

Test that during status, the index side of the conflict is empty.
This commit is contained in:
Edward Thomson 2015-05-18 18:15:17 -04:00
parent b22369efa2
commit 191e97a02b
2 changed files with 68 additions and 17 deletions
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39
src/diff.c
View File

@ -149,9 +149,10 @@ static int diff_delta__from_two(
uint32_t old_mode,
const git_index_entry *new_entry,
uint32_t new_mode,
git_oid *new_oid,
const git_oid *new_id,
const char *matched_pathspec)
{
const git_oid *old_id = &old_entry->id;
git_diff_delta *delta;
const char *canonical_path = old_entry->path;
@ -159,37 +160,41 @@ static int diff_delta__from_two(
DIFF_FLAG_ISNT_SET(diff, GIT_DIFF_INCLUDE_UNMODIFIED))
return 0;
if (!new_id)
new_id = &new_entry->id;
if (DIFF_FLAG_IS_SET(diff, GIT_DIFF_REVERSE)) {
uint32_t temp_mode = old_mode;
const git_index_entry *temp_entry = old_entry;
const git_oid *temp_id = old_id;
old_entry = new_entry;
new_entry = temp_entry;
old_mode = new_mode;
new_mode = temp_mode;
old_id = new_id;
new_id = temp_id;
}
delta = diff_delta__alloc(diff, status, canonical_path);
GITERR_CHECK_ALLOC(delta);
delta->nfiles = 2;
git_oid_cpy(&delta->old_file.id, &old_entry->id);
delta->old_file.size = old_entry->file_size;
delta->old_file.mode = old_mode;
delta->old_file.flags |= GIT_DIFF_FLAG_VALID_ID;
git_oid_cpy(&delta->new_file.id, &new_entry->id);
delta->new_file.size = new_entry->file_size;
delta->new_file.mode = new_mode;
if (new_oid) {
if (DIFF_FLAG_IS_SET(diff, GIT_DIFF_REVERSE))
git_oid_cpy(&delta->old_file.id, new_oid);
else
git_oid_cpy(&delta->new_file.id, new_oid);
if (!git_index_entry_stage(old_entry)) {
delta->old_file.size = old_entry->file_size;
delta->old_file.mode = old_mode;
git_oid_cpy(&delta->old_file.id, old_id);
delta->old_file.flags |= GIT_DIFF_FLAG_VALID_ID;
}
if (new_oid || !git_oid_iszero(&new_entry->id))
delta->new_file.flags |= GIT_DIFF_FLAG_VALID_ID;
if (!git_index_entry_stage(new_entry)) {
git_oid_cpy(&delta->new_file.id, new_id);
delta->new_file.size = new_entry->file_size;
delta->new_file.mode = new_mode;
if (!git_oid_iszero(&new_entry->id))
delta->new_file.flags |= GIT_DIFF_FLAG_VALID_ID;
}
return diff_insert_delta(diff, delta, matched_pathspec);
}

46
tests/status/worktree.c
View File

@ -645,6 +645,52 @@ void test_status_worktree__conflicted_item(void)
git_index_free(index);
}
void test_status_worktree__conflict_has_no_oid(void)
{
git_repository *repo = cl_git_sandbox_init("status");
git_index *index;
git_index_entry entry = {0};
git_status_list *statuslist;
const git_status_entry *status;
git_oid zero_id = {0};
entry.mode = 0100644;
entry.path = "modified_file";
git_oid_fromstr(&entry.id, "deadbeefdeadbeefdeadbeefdeadbeefdeadbeef");
cl_git_pass(git_repository_index(&index, repo));
cl_git_pass(git_index_conflict_add(index, &entry, &entry, &entry));
git_status_list_new(&statuslist, repo, NULL);
cl_assert_equal_i(16, git_status_list_entrycount(statuslist));
status = git_status_byindex(statuslist, 2);
cl_assert_equal_i(GIT_STATUS_CONFLICTED, status->status);
cl_assert_equal_s("modified_file", status->head_to_index->old_file.path);
cl_assert(!git_oid_equal(&zero_id, &status->head_to_index->old_file.id));
cl_assert(0 != status->head_to_index->old_file.mode);
cl_assert_equal_s("modified_file", status->head_to_index->new_file.path);
cl_assert_equal_oid(&zero_id, &status->head_to_index->new_file.id);
cl_assert_equal_i(0, status->head_to_index->new_file.mode);
cl_assert_equal_i(0, status->head_to_index->new_file.size);
cl_assert_equal_s("modified_file", status->index_to_workdir->old_file.path);
cl_assert_equal_oid(&zero_id, &status->index_to_workdir->old_file.id);
cl_assert_equal_i(0, status->index_to_workdir->old_file.mode);
cl_assert_equal_i(0, status->index_to_workdir->old_file.size);
cl_assert_equal_s("modified_file", status->index_to_workdir->new_file.path);
cl_assert(
!git_oid_equal(&zero_id, &status->index_to_workdir->new_file.id) ||
!(status->index_to_workdir->new_file.flags & GIT_DIFF_FLAG_VALID_ID));
cl_assert(0 != status->index_to_workdir->new_file.mode);
cl_assert(0 != status->index_to_workdir->new_file.size);
git_index_free(index);
git_status_list_free(statuslist);
}
static void stage_and_commit(git_repository *repo, const char *path)
{
git_index *index;