void test_stash_apply__with_default(void)
{
cl_git_pass(git_stash_apply(repo, 0, NULL));
cl_assert_equal_i(git_index_has_conflicts(repo_index), 0);
assert_status(repo, "what", GIT_STATUS_WT_MODIFIED);
assert_status(repo, "how", GIT_STATUS_CURRENT);
assert_status(repo, "who", GIT_STATUS_WT_MODIFIED);
assert_status(repo, "when", GIT_STATUS_WT_NEW);
}
void test_index_conflicts__remove_all_conflicts(void)
{
size_t i;
const git_index_entry *entry;
cl_assert(git_index_entrycount(repo_index) == 8);
cl_assert_equal_i(true, git_index_has_conflicts(repo_index));
git_index_conflict_cleanup(repo_index);
cl_assert_equal_i(false, git_index_has_conflicts(repo_index));
cl_assert(git_index_entrycount(repo_index) == 2);
for (i = 0; i < git_index_entrycount(repo_index); i++) {
cl_assert(entry = git_index_get_byindex(repo_index, i));
cl_assert(git_index_entry_stage(entry) == 0);
}
}
void test_stash_apply__conflict_workdir_with_default(void)
{
cl_git_rewritefile("stash/what", "ciao\n");
cl_git_fail_with(git_stash_apply(repo, 0, NULL), GIT_ECONFLICT);
cl_assert_equal_i(git_index_has_conflicts(repo_index), 0);
assert_status(repo, "what", GIT_STATUS_WT_MODIFIED);
assert_status(repo, "how", GIT_STATUS_CURRENT);
assert_status(repo, "who", GIT_STATUS_CURRENT);
assert_status(repo, "when", GIT_STATUS_WT_NEW);
}
void test_stash_apply__uses_reflog_like_indices_2(void)
{
git_oid oid;
cl_git_mkfile("stash/untracked", "untracked\n");
cl_git_pass(git_stash_save(&oid, repo, signature, NULL, GIT_STASH_INCLUDE_UNTRACKED));
assert_status(repo, "untracked", GIT_ENOTFOUND);
// stash@{0} is the newest stash we made immediately above
cl_git_pass(git_stash_apply(repo, 0, NULL));
cl_assert_equal_i(git_index_has_conflicts(repo_index), 0);
assert_status(repo, "untracked", GIT_STATUS_WT_NEW);
}
void test_stash_apply__conflict_untracked_with_default(void)
{
git_stash_apply_options opts = GIT_STASH_APPLY_OPTIONS_INIT;
cl_git_mkfile("stash/when", "nothing\n");
cl_git_fail_with(git_stash_apply(repo, 0, &opts), GIT_ECONFLICT);
cl_assert_equal_i(git_index_has_conflicts(repo_index), 0);
assert_status(repo, "what", GIT_STATUS_CURRENT);
assert_status(repo, "how", GIT_STATUS_CURRENT);
assert_status(repo, "who", GIT_STATUS_CURRENT);
assert_status(repo, "when", GIT_STATUS_WT_NEW);
}
void test_stash_apply__with_reinstate_index(void)
{
git_stash_apply_options opts = GIT_STASH_APPLY_OPTIONS_INIT;
opts.flags = GIT_STASH_APPLY_REINSTATE_INDEX;
cl_git_pass(git_stash_apply(repo, 0, &opts));
cl_assert_equal_i(git_index_has_conflicts(repo_index), 0);
assert_status(repo, "what", GIT_STATUS_WT_MODIFIED);
assert_status(repo, "how", GIT_STATUS_CURRENT);
assert_status(repo, "who", GIT_STATUS_INDEX_MODIFIED);
assert_status(repo, "when", GIT_STATUS_WT_NEW);
}
void test_stash_apply__fails_with_uncommitted_changes_in_index(void)
{
cl_git_rewritefile("stash/who", "nothing\n");
cl_git_pass(git_index_add_bypath(repo_index, "who"));
cl_git_pass(git_index_write(repo_index));
cl_git_fail_with(git_stash_apply(repo, 0, NULL), GIT_EUNCOMMITTED);
cl_assert_equal_i(git_index_has_conflicts(repo_index), 0);
assert_status(repo, "what", GIT_STATUS_CURRENT);
assert_status(repo, "how", GIT_STATUS_CURRENT);
assert_status(repo, "who", GIT_STATUS_INDEX_MODIFIED);
assert_status(repo, "when", GIT_ENOTFOUND);
assert_status(repo, "why", GIT_ENOTFOUND);
}
void test_stash_apply__conflict_workdir_with_reinstate_index(void)
{
git_stash_apply_options opts = GIT_STASH_APPLY_OPTIONS_INIT;
opts.flags = GIT_STASH_APPLY_REINSTATE_INDEX;
cl_git_rewritefile("stash/what", "ciao\n");
cl_git_fail_with(git_stash_apply(repo, 0, &opts), GIT_ECONFLICT);
cl_assert_equal_i(git_index_has_conflicts(repo_index), 0);
assert_status(repo, "what", GIT_STATUS_WT_MODIFIED);
assert_status(repo, "how", GIT_STATUS_CURRENT);
assert_status(repo, "who", GIT_STATUS_CURRENT);
assert_status(repo, "when", GIT_STATUS_WT_NEW);
}
void test_stash_apply__merges_new_file(void)
{
const git_index_entry *ancestor, *our, *their;
cl_git_mkfile("stash/where", "committed before stash\n");
cl_git_pass(git_index_add_bypath(repo_index, "where"));
cl_repo_commit_from_index(NULL, repo, signature, 0, "Other commit");
cl_git_pass(git_stash_apply(repo, 0, NULL));
cl_assert_equal_i(1, git_index_has_conflicts(repo_index));
assert_status(repo, "what", GIT_STATUS_INDEX_MODIFIED);
cl_git_pass(git_index_conflict_get(&ancestor, &our, &their, repo_index, "where")); /* unmerged */
assert_status(repo, "who", GIT_STATUS_INDEX_MODIFIED);
assert_status(repo, "when", GIT_STATUS_WT_NEW);
assert_status(repo, "why", GIT_STATUS_INDEX_NEW);
}
void test_stash_apply__uses_reflog_like_indices_1(void)
{
git_oid oid;
cl_git_mkfile("stash/untracked", "untracked\n");
cl_git_pass(git_stash_save(&oid, repo, signature, NULL, GIT_STASH_INCLUDE_UNTRACKED));
assert_status(repo, "untracked", GIT_ENOTFOUND);
// stash@{1} is the oldest (first) stash we made
cl_git_pass(git_stash_apply(repo, 1, NULL));
cl_assert_equal_i(git_index_has_conflicts(repo_index), 0);
assert_status(repo, "what", GIT_STATUS_WT_MODIFIED);
assert_status(repo, "how", GIT_STATUS_CURRENT);
assert_status(repo, "who", GIT_STATUS_WT_MODIFIED);
assert_status(repo, "when", GIT_STATUS_WT_NEW);
assert_status(repo, "why", GIT_STATUS_INDEX_NEW);
assert_status(repo, "where", GIT_STATUS_INDEX_NEW);
}
void test_stash_apply__conflict_index_with_default(void)
{
const git_index_entry *ancestor;
const git_index_entry *our;
const git_index_entry *their;
cl_git_rewritefile("stash/who", "nothing\n");
cl_git_pass(git_index_add_bypath(repo_index, "who"));
cl_git_pass(git_index_write(repo_index));
cl_git_pass(git_stash_apply(repo, 0, NULL));
cl_assert_equal_i(git_index_has_conflicts(repo_index), 1);
assert_status(repo, "what", GIT_STATUS_INDEX_MODIFIED);
assert_status(repo, "how", GIT_STATUS_CURRENT);
cl_git_pass(git_index_conflict_get(&ancestor, &our, &their, repo_index, "who")); /* unmerged */
assert_status(repo, "when", GIT_STATUS_WT_NEW);
}
void test_stash_apply__conflict_index_with_reinstate_index(void)
{
git_stash_apply_options opts = GIT_STASH_APPLY_OPTIONS_INIT;
opts.flags = GIT_STASH_APPLY_REINSTATE_INDEX;
cl_git_rewritefile("stash/who", "nothing\n");
cl_git_pass(git_index_add_bypath(repo_index, "who"));
cl_git_pass(git_index_write(repo_index));
cl_git_fail_with(git_stash_apply(repo, 0, &opts), GIT_ECONFLICT);
cl_assert_equal_i(git_index_has_conflicts(repo_index), 0);
assert_status(repo, "what", GIT_STATUS_CURRENT);
assert_status(repo, "how", GIT_STATUS_CURRENT);
assert_status(repo, "who", GIT_STATUS_INDEX_MODIFIED);
assert_status(repo, "when", GIT_ENOTFOUND);
}
void test_stash_apply__with_default(void)
{
git_buf where = GIT_BUF_INIT;
cl_git_pass(git_stash_apply(repo, 0, NULL));
cl_assert_equal_i(git_index_has_conflicts(repo_index), 0);
assert_status(repo, "what", GIT_STATUS_WT_MODIFIED);
assert_status(repo, "how", GIT_STATUS_CURRENT);
assert_status(repo, "who", GIT_STATUS_WT_MODIFIED);
assert_status(repo, "when", GIT_STATUS_WT_NEW);
assert_status(repo, "why", GIT_STATUS_INDEX_NEW);
assert_status(repo, "where", GIT_STATUS_INDEX_NEW);
cl_git_pass(git_futils_readbuffer(&where, "stash/where"));
cl_assert_equal_s("....\n", where.ptr);
git_buf_free(&where);
}
void test_stash_apply__conflict_commit_with_reinstate_index(void)
{
git_stash_apply_options opts = GIT_STASH_APPLY_OPTIONS_INIT;
const git_index_entry *ancestor;
const git_index_entry *our;
const git_index_entry *their;
opts.flags = GIT_STASH_APPLY_REINSTATE_INDEX;
cl_git_rewritefile("stash/what", "ciao\n");
cl_git_pass(git_index_add_bypath(repo_index, "what"));
cl_repo_commit_from_index(NULL, repo, signature, 0, "Other commit");
cl_git_pass(git_stash_apply(repo, 0, &opts));
cl_assert_equal_i(git_index_has_conflicts(repo_index), 1);
cl_git_pass(git_index_conflict_get(&ancestor, &our, &their, repo_index, "what")); /* unmerged */
assert_status(repo, "how", GIT_STATUS_CURRENT);
assert_status(repo, "who", GIT_STATUS_INDEX_MODIFIED);
assert_status(repo, "when", GIT_STATUS_WT_NEW);
}
void test_stash_apply__executes_notify_cb(void)
{
git_stash_apply_options opts = GIT_STASH_APPLY_OPTIONS_INIT;
struct seen_paths seen_paths = {0};
opts.checkout_options.notify_cb = checkout_notify;
opts.checkout_options.notify_flags = GIT_CHECKOUT_NOTIFY_ALL;
opts.checkout_options.notify_payload = &seen_paths;
cl_git_pass(git_stash_apply(repo, 0, &opts));
cl_assert_equal_i(git_index_has_conflicts(repo_index), 0);
assert_status(repo, "what", GIT_STATUS_WT_MODIFIED);
assert_status(repo, "how", GIT_STATUS_CURRENT);
assert_status(repo, "who", GIT_STATUS_WT_MODIFIED);
assert_status(repo, "when", GIT_STATUS_WT_NEW);
cl_assert_equal_b(true, seen_paths.what);
cl_assert_equal_b(false, seen_paths.how);
cl_assert_equal_b(true, seen_paths.who);
cl_assert_equal_b(true, seen_paths.when);
}
void test_stash_apply__with_reinstate_index(void)
{
git_buf where = GIT_BUF_INIT;
git_stash_apply_options opts = GIT_STASH_APPLY_OPTIONS_INIT;
opts.flags = GIT_STASH_APPLY_REINSTATE_INDEX;
cl_git_pass(git_stash_apply(repo, 0, &opts));
cl_assert_equal_i(git_index_has_conflicts(repo_index), 0);
assert_status(repo, "what", GIT_STATUS_WT_MODIFIED);
assert_status(repo, "how", GIT_STATUS_CURRENT);
assert_status(repo, "who", GIT_STATUS_INDEX_MODIFIED);
assert_status(repo, "when", GIT_STATUS_WT_NEW);
assert_status(repo, "why", GIT_STATUS_INDEX_NEW);
assert_status(repo, "where", GIT_STATUS_INDEX_NEW | GIT_STATUS_WT_MODIFIED);
cl_git_pass(git_futils_readbuffer(&where, "stash/where"));
cl_assert_equal_s("....\n", where.ptr);
git_buf_free(&where);
}
void test_reset_soft__fails_when_index_contains_conflicts_independently_of_MERGE_HEAD_file_existence(void)
{
git_index *index;
git_reference *head;
git_buf merge_head_path = GIT_BUF_INIT;
cl_git_sandbox_cleanup();
repo = cl_git_sandbox_init("mergedrepo");
cl_git_pass(git_buf_joinpath(&merge_head_path, git_repository_path(repo), "MERGE_HEAD"));
cl_git_pass(p_unlink(git_buf_cstr(&merge_head_path)));
git_buf_free(&merge_head_path);
cl_git_pass(git_repository_index(&index, repo));
cl_assert_equal_i(true, git_index_has_conflicts(index));
git_index_free(index);
cl_git_pass(git_repository_head(&head, repo));
cl_git_pass(git_reference_peel(&target, head, GIT_OBJ_COMMIT));
git_reference_free(head);
cl_assert_equal_i(GIT_EUNMERGED, git_reset(repo, target, GIT_RESET_SOFT));
}
int git_reset(
git_repository *repo,
git_object *target,
git_reset_t reset_type)
{
git_object *commit = NULL;
git_index *index = NULL;
git_tree *tree = NULL;
int error = 0;
git_checkout_opts opts = GIT_CHECKOUT_OPTS_INIT;
assert(repo && target);
if (git_object_owner(target) != repo) {
giterr_set(GITERR_OBJECT,
"%s - The given target does not belong to this repository.", ERROR_MSG);
return -1;
}
if (reset_type != GIT_RESET_SOFT &&
(error = git_repository__ensure_not_bare(repo,
reset_type == GIT_RESET_MIXED ? "reset mixed" : "reset hard")) < 0)
return error;
if ((error = git_object_peel(&commit, target, GIT_OBJ_COMMIT)) < 0 ||
(error = git_repository_index(&index, repo)) < 0 ||
(error = git_commit_tree(&tree, (git_commit *)commit)) < 0)
goto cleanup;
if (reset_type == GIT_RESET_SOFT &&
(git_repository_state(repo) == GIT_REPOSITORY_STATE_MERGE ||
git_index_has_conflicts(index)))
{
giterr_set(GITERR_OBJECT, "%s (soft) in the middle of a merge.", ERROR_MSG);
error = GIT_EUNMERGED;
goto cleanup;
}
/* move HEAD to the new target */
if ((error = update_head(repo, commit)) < 0)
goto cleanup;
if (reset_type == GIT_RESET_HARD) {
/* overwrite working directory with HEAD */
opts.checkout_strategy = GIT_CHECKOUT_FORCE;
if ((error = git_checkout_tree(repo, (git_object *)tree, &opts)) < 0)
goto cleanup;
}
if (reset_type > GIT_RESET_SOFT) {
/* reset index to the target content */
if ((error = git_index_read_tree(index, tree)) < 0 ||
(error = git_index_write(index)) < 0)
goto cleanup;
if ((error = git_repository_merge_cleanup(repo)) < 0) {
giterr_set(GITERR_INDEX, "%s - failed to clean up merge data", ERROR_MSG);
goto cleanup;
}
}
cleanup:
git_object_free(commit);
git_index_free(index);
git_tree_free(tree);
return error;
}
static int rebase_commit__create(
git_commit **out,
git_rebase *rebase,
git_index *index,
git_commit *parent_commit,
const git_signature *author,
const git_signature *committer,
const char *message_encoding,
const char *message)
{
git_rebase_operation *operation;
git_commit *current_commit = NULL, *commit = NULL;
git_tree *parent_tree = NULL, *tree = NULL;
git_oid tree_id, commit_id;
int error;
operation = git_array_get(rebase->operations, rebase->current);
if (git_index_has_conflicts(index)) {
giterr_set(GITERR_REBASE, "conflicts have not been resolved");
error = GIT_EUNMERGED;
goto done;
}
if ((error = git_commit_lookup(¤t_commit, rebase->repo, &operation->id)) < 0 ||
(error = git_commit_tree(&parent_tree, parent_commit)) < 0 ||
(error = git_index_write_tree_to(&tree_id, index, rebase->repo)) < 0 ||
(error = git_tree_lookup(&tree, rebase->repo, &tree_id)) < 0)
goto done;
if (git_oid_equal(&tree_id, git_tree_id(parent_tree))) {
giterr_set(GITERR_REBASE, "this patch has already been applied");
error = GIT_EAPPLIED;
goto done;
}
if (!author)
author = git_commit_author(current_commit);
if (!message) {
message_encoding = git_commit_message_encoding(current_commit);
message = git_commit_message(current_commit);
}
if ((error = git_commit_create(&commit_id, rebase->repo, NULL, author,
committer, message_encoding, message, tree, 1,
(const git_commit **)&parent_commit)) < 0 ||
(error = git_commit_lookup(&commit, rebase->repo, &commit_id)) < 0)
goto done;
*out = commit;
done:
if (error < 0)
git_commit_free(commit);
git_commit_free(current_commit);
git_tree_free(parent_tree);
git_tree_free(tree);
return error;
}
static int try_to_git_merge(git_repository *repo, git_reference *local, git_reference *remote, git_oid *base, const git_oid *local_id, const git_oid *remote_id)
{
git_tree *local_tree, *remote_tree, *base_tree;
git_commit *local_commit, *remote_commit, *base_commit;
git_index *merged_index;
git_merge_options merge_options;
if (verbose) {
char outlocal[41], outremote[41];
outlocal[40] = outremote[40] = 0;
git_oid_fmt(outlocal, local_id);
git_oid_fmt(outremote, remote_id);
fprintf(stderr, "trying to merge local SHA %s remote SHA %s\n", outlocal, outremote);
}
git_merge_init_options(&merge_options, GIT_MERGE_OPTIONS_VERSION);
#ifdef USE_LIBGIT23_API
merge_options.tree_flags = GIT_MERGE_TREE_FIND_RENAMES;
#else
merge_options.flags = GIT_MERGE_TREE_FIND_RENAMES;
#endif
merge_options.file_favor = GIT_MERGE_FILE_FAVOR_UNION;
merge_options.rename_threshold = 100;
if (git_commit_lookup(&local_commit, repo, local_id))
return report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: can't get commit (%s)"), giterr_last()->message);
if (git_commit_tree(&local_tree, local_commit))
return report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: failed local tree lookup (%s)"), giterr_last()->message);
if (git_commit_lookup(&remote_commit, repo, remote_id))
return report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: can't get commit (%s)"), giterr_last()->message);
if (git_commit_tree(&remote_tree, remote_commit))
return report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: failed remote tree lookup (%s)"), giterr_last()->message);
if (git_commit_lookup(&base_commit, repo, base))
return report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: can't get commit: (%s)"), giterr_last()->message);
if (git_commit_tree(&base_tree, base_commit))
return report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: failed base tree lookup: (%s)"), giterr_last()->message);
if (git_merge_trees(&merged_index, repo, base_tree, local_tree, remote_tree, &merge_options))
return report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: merge failed (%s)"), giterr_last()->message);
if (git_index_has_conflicts(merged_index)) {
int error;
const git_index_entry *ancestor = NULL,
*ours = NULL,
*theirs = NULL;
git_index_conflict_iterator *iter = NULL;
error = git_index_conflict_iterator_new(&iter, merged_index);
while (git_index_conflict_next(&ancestor, &ours, &theirs, iter)
!= GIT_ITEROVER) {
/* Mark this conflict as resolved */
fprintf(stderr, "conflict in %s / %s / %s -- ",
ours ? ours->path : "-",
theirs ? theirs->path : "-",
ancestor ? ancestor->path : "-");
if ((!ours && theirs && ancestor) ||
(ours && !theirs && ancestor)) {
// the file was removed on one side or the other - just remove it
fprintf(stderr, "looks like a delete on one side; removing the file from the index\n");
error = git_index_remove(merged_index, ours ? ours->path : theirs->path, GIT_INDEX_STAGE_ANY);
} else {
error = git_index_conflict_remove(merged_index, ours ? ours->path : theirs ? theirs->path : ancestor->path);
}
if (error) {
fprintf(stderr, "error at conflict resplution (%s)", giterr_last()->message);
}
}
git_index_conflict_cleanup(merged_index);
git_index_conflict_iterator_free(iter);
report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: merge conflict - manual intervention needed"));
}
git_oid merge_oid, commit_oid;
git_tree *merged_tree;
git_signature *author;
git_commit *commit;
if (git_index_write_tree_to(&merge_oid, merged_index, repo))
return report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: writing the tree failed (%s)"), giterr_last()->message);
if (git_tree_lookup(&merged_tree, repo, &merge_oid))
return report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: tree lookup failed (%s)"), giterr_last()->message);
if (git_signature_default(&author, repo) < 0)
return report_error(translate("gettextFromC", "Failed to get author: (%s)"), giterr_last()->message);
if (git_commit_create_v(&commit_oid, repo, NULL, author, author, NULL, "automatic merge", merged_tree, 2, local_commit, remote_commit))
return report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: git commit create failed (%s)"), giterr_last()->message);
if (git_commit_lookup(&commit, repo, &commit_oid))
return report_error(translate("gettextFromC", "Error: could not lookup the merge commit I just created (%s)"), giterr_last()->message);
if (git_branch_is_head(local) && !git_repository_is_bare(repo)) {
git_object *parent;
git_reference_peel(&parent, local, GIT_OBJ_COMMIT);
if (update_git_checkout(repo, parent, merged_tree)) {
report_error("Warning: checked out branch is inconsistent with git data");
}
}
if (git_reference_set_target(&local, local, &commit_oid, "Subsurface merge event"))
return report_error("Error: failed to update branch (%s)", giterr_last()->message);
set_git_id(&commit_oid);
git_signature_free(author);
return 0;
}
/*
* call-seq:
* index.conflicts? -> true or false
*
* Determines if the index contains entries representing conflicts.
*/
static VALUE rb_git_index_conflicts_p(VALUE self)
{
git_index *index;
Data_Get_Struct(self, git_index, index);
return git_index_has_conflicts(index) ? Qtrue : Qfalse;
}
static int try_to_git_merge(git_repository *repo, git_reference **local_p, git_reference *remote, git_oid *base, const git_oid *local_id, const git_oid *remote_id)
{
UNUSED(remote);
git_tree *local_tree, *remote_tree, *base_tree;
git_commit *local_commit, *remote_commit, *base_commit;
git_index *merged_index;
git_merge_options merge_options;
if (verbose) {
char outlocal[41], outremote[41];
outlocal[40] = outremote[40] = 0;
git_oid_fmt(outlocal, local_id);
git_oid_fmt(outremote, remote_id);
fprintf(stderr, "trying to merge local SHA %s remote SHA %s\n", outlocal, outremote);
}
git_merge_init_options(&merge_options, GIT_MERGE_OPTIONS_VERSION);
#if !LIBGIT2_VER_MAJOR && LIBGIT2_VER_MINOR > 23
merge_options.flags = GIT_MERGE_FIND_RENAMES;
#else
merge_options.tree_flags = GIT_MERGE_TREE_FIND_RENAMES;
#endif
merge_options.file_favor = GIT_MERGE_FILE_FAVOR_UNION;
merge_options.rename_threshold = 100;
if (git_commit_lookup(&local_commit, repo, local_id)) {
fprintf(stderr, "Remote storage and local data diverged. Error: can't get commit (%s)", giterr_last()->message);
goto diverged_error;
}
if (git_commit_tree(&local_tree, local_commit)) {
fprintf(stderr, "Remote storage and local data diverged. Error: failed local tree lookup (%s)", giterr_last()->message);
goto diverged_error;
}
if (git_commit_lookup(&remote_commit, repo, remote_id)) {
fprintf(stderr, "Remote storage and local data diverged. Error: can't get commit (%s)", giterr_last()->message);
goto diverged_error;
}
if (git_commit_tree(&remote_tree, remote_commit)) {
fprintf(stderr, "Remote storage and local data diverged. Error: failed local tree lookup (%s)", giterr_last()->message);
goto diverged_error;
}
if (git_commit_lookup(&base_commit, repo, base)) {
fprintf(stderr, "Remote storage and local data diverged. Error: can't get commit (%s)", giterr_last()->message);
goto diverged_error;
}
if (git_commit_tree(&base_tree, base_commit)) {
fprintf(stderr, "Remote storage and local data diverged. Error: failed base tree lookup (%s)", giterr_last()->message);
goto diverged_error;
}
if (git_merge_trees(&merged_index, repo, base_tree, local_tree, remote_tree, &merge_options)) {
fprintf(stderr, "Remote storage and local data diverged. Error: merge failed (%s)", giterr_last()->message);
// this is the one where I want to report more detail to the user - can't quite explain why
return report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: merge failed (%s)"), giterr_last()->message);
}
if (git_index_has_conflicts(merged_index)) {
int error;
const git_index_entry *ancestor = NULL,
*ours = NULL,
*theirs = NULL;
git_index_conflict_iterator *iter = NULL;
error = git_index_conflict_iterator_new(&iter, merged_index);
while (git_index_conflict_next(&ancestor, &ours, &theirs, iter)
!= GIT_ITEROVER) {
/* Mark this conflict as resolved */
fprintf(stderr, "conflict in %s / %s / %s -- ",
ours ? ours->path : "-",
theirs ? theirs->path : "-",
ancestor ? ancestor->path : "-");
if ((!ours && theirs && ancestor) ||
(ours && !theirs && ancestor)) {
// the file was removed on one side or the other - just remove it
fprintf(stderr, "looks like a delete on one side; removing the file from the index\n");
error = git_index_remove(merged_index, ours ? ours->path : theirs->path, GIT_INDEX_STAGE_ANY);
} else if (ancestor) {
error = git_index_conflict_remove(merged_index, ours ? ours->path : theirs ? theirs->path : ancestor->path);
}
if (error) {
fprintf(stderr, "error at conflict resplution (%s)", giterr_last()->message);
}
}
git_index_conflict_cleanup(merged_index);
git_index_conflict_iterator_free(iter);
report_error(translate("gettextFromC", "Remote storage and local data diverged. Cannot combine local and remote changes"));
}
git_oid merge_oid, commit_oid;
git_tree *merged_tree;
git_signature *author;
git_commit *commit;
if (git_index_write_tree_to(&merge_oid, merged_index, repo))
goto write_error;
if (git_tree_lookup(&merged_tree, repo, &merge_oid))
goto write_error;
if (git_signature_default(&author, repo) < 0)
if (git_signature_now(&author, "Subsurface", "noemail@given") < 0)
goto write_error;
if (git_commit_create_v(&commit_oid, repo, NULL, author, author, NULL, "automatic merge", merged_tree, 2, local_commit, remote_commit))
goto write_error;
if (git_commit_lookup(&commit, repo, &commit_oid))
goto write_error;
if (git_branch_is_head(*local_p) && !git_repository_is_bare(repo)) {
git_object *parent;
git_reference_peel(&parent, *local_p, GIT_OBJ_COMMIT);
if (update_git_checkout(repo, parent, merged_tree)) {
goto write_error;
}
}
if (git_reference_set_target(local_p, *local_p, &commit_oid, "Subsurface merge event"))
goto write_error;
set_git_id(&commit_oid);
git_signature_free(author);
if (verbose)
fprintf(stderr, "Successfully merged repositories");
return 0;
diverged_error:
return report_error(translate("gettextFromC", "Remote storage and local data diverged"));
write_error:
return report_error(translate("gettextFromC", "Remote storage and local data diverged. Error: writing the data failed (%s)"), giterr_last()->message);
}
static int rebase_commit_merge(
git_oid *commit_id,
git_rebase *rebase,
const git_signature *author,
const git_signature *committer,
const char *message_encoding,
const char *message)
{
git_index *index = NULL;
git_reference *head = NULL;
git_commit *current_commit = NULL, *head_commit = NULL, *commit = NULL;
git_rebase_operation *operation;
git_tree *head_tree = NULL, *tree = NULL;
git_diff *diff = NULL;
git_oid tree_id;
git_buf reflog_msg = GIT_BUF_INIT;
char old_idstr[GIT_OID_HEXSZ], new_idstr[GIT_OID_HEXSZ];
int error;
operation = git_array_get(rebase->operations, rebase->current);
assert(operation);
if ((error = git_repository_index(&index, rebase->repo)) < 0)
goto done;
if (git_index_has_conflicts(index)) {
giterr_set(GITERR_REBASE, "Conflicts have not been resolved");
error = GIT_EMERGECONFLICT;
goto done;
}
if ((error = git_commit_lookup(¤t_commit, rebase->repo, &operation->id)) < 0 ||
(error = git_repository_head(&head, rebase->repo)) < 0 ||
(error = git_reference_peel((git_object **)&head_commit, head, GIT_OBJ_COMMIT)) < 0 ||
(error = git_commit_tree(&head_tree, head_commit)) < 0 ||
(error = git_diff_tree_to_index(&diff, rebase->repo, head_tree, index, NULL)) < 0)
goto done;
if (git_diff_num_deltas(diff) == 0) {
giterr_set(GITERR_REBASE, "This patch has already been applied");
error = GIT_EAPPLIED;
goto done;
}
if ((error = git_index_write_tree(&tree_id, index)) < 0 ||
(error = git_tree_lookup(&tree, rebase->repo, &tree_id)) < 0)
goto done;
if (!author)
author = git_commit_author(current_commit);
if (!message) {
message_encoding = git_commit_message_encoding(current_commit);
message = git_commit_message(current_commit);
}
if ((error = git_commit_create(commit_id, rebase->repo, NULL, author,
committer, message_encoding, message, tree, 1,
(const git_commit **)&head_commit)) < 0 ||
(error = git_commit_lookup(&commit, rebase->repo, commit_id)) < 0 ||
(error = git_reference__update_for_commit(
rebase->repo, NULL, "HEAD", commit_id, "rebase")) < 0)
goto done;
git_oid_fmt(old_idstr, git_commit_id(current_commit));
git_oid_fmt(new_idstr, commit_id);
error = rebase_setupfile(rebase, REWRITTEN_FILE, O_CREAT|O_WRONLY|O_APPEND,
"%.*s %.*s\n", GIT_OID_HEXSZ, old_idstr, GIT_OID_HEXSZ, new_idstr);
done:
git_buf_free(&reflog_msg);
git_commit_free(commit);
git_diff_free(diff);
git_tree_free(tree);
git_tree_free(head_tree);
git_commit_free(head_commit);
git_commit_free(current_commit);
git_reference_free(head);
git_index_free(index);
return error;
}
bool Index::hasConflicts()const
{
return git_index_has_conflicts(data()) != 0;
}
PmrWorkspace::WorkspaceStatus PmrWorkspace::gitWorkspaceStatus() const
{
// Get the status of the workspace
WorkspaceStatus res = StatusUnknown;
if (isOpen()) {
if (git_repository_head_unborn(mGitRepository) == 1) {
res = StatusCurrent;
} else {
git_oid masterOid;
bool error = false;
if (git_reference_name_to_id(&masterOid, mGitRepository,
"refs/heads/master") == GIT_OK) {
git_oid originMasterOid;
if (git_reference_name_to_id(&originMasterOid, mGitRepository,
"refs/remotes/origin/master") == GIT_OK) {
size_t ahead = 0;
size_t behind = 0;
if (git_graph_ahead_behind(&ahead, &behind, mGitRepository,
&masterOid, &originMasterOid) == GIT_OK) {
res = (ahead != 0)?
StatusAhead:
(behind != 0)?
StatusBehind:
StatusCurrent;
} else {
error = true;
}
} else {
res = StatusAhead;
}
} else {
error = true;
}
if (error) {
emitGitError(tr("An error occurred while trying to get the remote status of %1.").arg(mPath));
}
}
git_index *index;
if (git_repository_index(&index, mGitRepository) == GIT_OK) {
if (git_index_has_conflicts(index) != 0) {
res = WorkspaceStatus(res|StatusConflict);
} else {
if (mStagedCount != 0) {
res = WorkspaceStatus(res|StatusStaged);
}
if (mUnstagedCount != 0) {
res = WorkspaceStatus(res|StatusUnstaged);
}
}
git_index_free(index);
}
}
return res;
}
void test_rebase_inmemory__can_resolve_conflicts(void)
{
git_rebase *rebase;
git_reference *branch_ref, *upstream_ref;
git_annotated_commit *branch_head, *upstream_head;
git_rebase_operation *rebase_operation;
git_status_list *status_list;
git_oid pick_id, commit_id, expected_commit_id;
git_signature *signature;
git_index *repo_index;
git_index_entry resolution = {{0}};
git_rebase_options opts = GIT_REBASE_OPTIONS_INIT;
cl_git_pass(git_signature_new(&signature,
"Rebaser", "*****@*****.**", 1405694510, 0));
opts.inmemory = true;
cl_git_pass(git_reference_lookup(&branch_ref, repo, "refs/heads/asparagus"));
cl_git_pass(git_reference_lookup(&upstream_ref, repo, "refs/heads/master"));
cl_git_pass(git_annotated_commit_from_ref(&branch_head, repo, branch_ref));
cl_git_pass(git_annotated_commit_from_ref(&upstream_head, repo, upstream_ref));
cl_git_pass(git_rebase_init(&rebase, repo, branch_head, upstream_head, NULL, &opts));
cl_git_pass(git_rebase_next(&rebase_operation, rebase));
git_oid_fromstr(&pick_id, "33f915f9e4dbd9f4b24430e48731a59b45b15500");
cl_assert_equal_i(GIT_REBASE_OPERATION_PICK, rebase_operation->type);
cl_assert_equal_oid(&pick_id, &rebase_operation->id);
/* ensure that we did not do anything stupid to the workdir or repo index */
cl_git_pass(git_repository_index(&repo_index, repo));
cl_assert(!git_index_has_conflicts(repo_index));
cl_git_pass(git_status_list_new(&status_list, repo, NULL));
cl_assert_equal_i(0, git_status_list_entrycount(status_list));
/* but that the index returned from rebase does have conflicts */
cl_assert(git_index_has_conflicts(rebase_operation->index));
cl_git_fail_with(GIT_EUNMERGED, git_rebase_commit(&commit_id, rebase, NULL, signature, NULL, NULL));
/* ensure that we can work with the in-memory index to resolve the conflict */
resolution.path = "asparagus.txt";
resolution.mode = GIT_FILEMODE_BLOB;
git_oid_fromstr(&resolution.id, "414dfc71ead79c07acd4ea47fecf91f289afc4b9");
cl_git_pass(git_index_conflict_remove(rebase_operation->index, "asparagus.txt"));
cl_git_pass(git_index_add(rebase_operation->index, &resolution));
/* and finally create a commit for the resolved rebase operation */
cl_git_pass(git_rebase_commit(&commit_id, rebase, NULL, signature, NULL, NULL));
cl_git_pass(git_oid_fromstr(&expected_commit_id, "db7af47222181e548810da2ab5fec0e9357c5637"));
cl_assert_equal_oid(&commit_id, &expected_commit_id);
git_signature_free(signature);
git_status_list_free(status_list);
git_annotated_commit_free(branch_head);
git_annotated_commit_free(upstream_head);
git_reference_free(branch_ref);
git_reference_free(upstream_ref);
git_index_free(repo_index);
git_rebase_free(rebase);
}
int main()
{
git_libgit2_init();
git_repository* rep = nullptr;
const git_annotated_commit* their_head[10];
git_merge_options merge_opt = GIT_MERGE_OPTIONS_INIT;
git_checkout_options checkout_opt = GIT_CHECKOUT_OPTIONS_INIT;
git_reference* branch = nullptr;
git_index* index = nullptr;
git_index_conflict_iterator* conflict_iterator = nullptr;
git_oid new_tree_id;
git_tree* new_tree = nullptr;
git_signature* me = nullptr;
git_reference* head = nullptr;
git_commit* parent_our = nullptr;
git_commit* parent_their = nullptr;
git_oid commit_id;
int error = 0;
// git open
error = git_repository_open(&rep, path);
if (error < 0)
{
const git_error *e = giterr_last();
std::cout << "Error: " << error << " / " << e->klass << " : " << e->message << std::endl;
goto SHUTDOWN;
}
// git merge <branch>
git_reference_dwim(&branch, rep, "new");
git_annotated_commit_from_ref((git_annotated_commit **)&their_head[0], rep, branch);
error = git_merge(rep, their_head, 1, &merge_opt, &checkout_opt);
if (error < 0)
{
const git_error *e = giterr_last();
std::cout << "Error: " << error << " / " << e->klass << " : " << e->message << std::endl;
goto SHUTDOWN;
}
git_repository_index(&index, rep);
// reslove conflicts
if (git_index_has_conflicts(index))
{
const git_index_entry* ancestor_out = nullptr;
const git_index_entry* our_out = nullptr;
const git_index_entry* their_out = nullptr;
git_index_conflict_iterator_new(&conflict_iterator, index);
while (git_index_conflict_next(&ancestor_out, &our_out, &their_out, conflict_iterator) != GIT_ITEROVER)
{
if (ancestor_out) std::cout<< "ancestor: " << ancestor_out->path <<std::endl;
if (our_out) std::cout<< "our: " << our_out->path <<std::endl;
if (their_out) std::cout<< "their: " << their_out->path <<std::endl;
// do sth. or rewrite file by code. ...
// and remove the conflict
// git_index_conflict_remove(index, "...");
}
// git checkout --theirs <file>
git_checkout_options opt = GIT_CHECKOUT_OPTIONS_INIT;
opt.checkout_strategy |= GIT_CHECKOUT_USE_THEIRS;
// const char* p = "file";
// opt.paths.strings = (char**)&p;
// opt.paths.count = 1;
git_checkout_index(rep, index, &opt);
git_index_conflict_iterator_free(conflict_iterator);
}
// add and commit
git_index_update_all(index, nullptr, nullptr, nullptr);
git_index_write(index);
git_index_write_tree(&new_tree_id, index);
git_tree_lookup(&new_tree, rep, &new_tree_id);
git_signature_now(&me, "XiaochenFTX", "*****@*****.**");
git_repository_head(&head, rep);
git_commit_lookup(&parent_our, rep, git_reference_target(head));
git_commit_lookup(&parent_their, rep, git_reference_target(branch));
git_commit_create_v(&commit_id, rep, "HEAD", me, me, "UTF-8", "merge commit", new_tree, 2, parent_our, parent_their);
git_repository_state_cleanup(rep);
SHUTDOWN:
git_repository_free(rep);
git_libgit2_shutdown();
return 0;
}
static int reset(
git_repository *repo,
const git_object *target,
const char *to,
git_reset_t reset_type,
const git_checkout_options *checkout_opts)
{
git_object *commit = NULL;
git_index *index = NULL;
git_tree *tree = NULL;
int error = 0;
git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
git_buf log_message = GIT_BUF_INIT;
assert(repo && target);
if (checkout_opts)
opts = *checkout_opts;
if (git_object_owner(target) != repo) {
giterr_set(GITERR_OBJECT,
"%s - The given target does not belong to this repository.", ERROR_MSG);
return -1;
}
if (reset_type != GIT_RESET_SOFT &&
(error = git_repository__ensure_not_bare(repo,
reset_type == GIT_RESET_MIXED ? "reset mixed" : "reset hard")) < 0)
return error;
if ((error = git_object_peel(&commit, target, GIT_OBJECT_COMMIT)) < 0 ||
(error = git_repository_index(&index, repo)) < 0 ||
(error = git_commit_tree(&tree, (git_commit *)commit)) < 0)
goto cleanup;
if (reset_type == GIT_RESET_SOFT &&
(git_repository_state(repo) == GIT_REPOSITORY_STATE_MERGE ||
git_index_has_conflicts(index)))
{
giterr_set(GITERR_OBJECT, "%s (soft) in the middle of a merge", ERROR_MSG);
error = GIT_EUNMERGED;
goto cleanup;
}
if ((error = git_buf_printf(&log_message, "reset: moving to %s", to)) < 0)
return error;
if (reset_type == GIT_RESET_HARD) {
/* overwrite working directory with the new tree */
opts.checkout_strategy = GIT_CHECKOUT_FORCE;
if ((error = git_checkout_tree(repo, (git_object *)tree, &opts)) < 0)
goto cleanup;
}
/* move HEAD to the new target */
if ((error = git_reference__update_terminal(repo, GIT_HEAD_FILE,
git_object_id(commit), NULL, git_buf_cstr(&log_message))) < 0)
goto cleanup;
if (reset_type > GIT_RESET_SOFT) {
/* reset index to the target content */
if ((error = git_index_read_tree(index, tree)) < 0 ||
(error = git_index_write(index)) < 0)
goto cleanup;
if ((error = git_repository_state_cleanup(repo)) < 0) {
giterr_set(GITERR_INDEX, "%s - failed to clean up merge data", ERROR_MSG);
goto cleanup;
}
}
cleanup:
git_object_free(commit);
git_index_free(index);
git_tree_free(tree);
git_buf_dispose(&log_message);
return error;
}
/**
* Perform a normal merge
*
* @param merge_result S4 class git_merge_result
* @param merge_heads The merge heads to merge
* @param n The number of merge heads
* @param repository The repository
* @param message The commit message of the merge
* @param merger Who is performing the merge
* @param commit_on_success Commit merge commit, if one was created
* @param merge_opts Merge options
* @return 0 on success, or error code
*/
static int git2r_normal_merge(
SEXP merge_result,
const git_annotated_commit **merge_heads,
size_t n,
git_repository *repository,
const char *message,
git_signature *merger,
int commit_on_success,
const git_checkout_options *checkout_opts,
const git_merge_options *merge_opts)
{
int err;
git_commit *commit = NULL;
git_index *index = NULL;
SET_SLOT(merge_result, Rf_install("fast_forward"), ScalarLogical(0));
err = git_merge(
repository,
merge_heads,
n,
merge_opts,
checkout_opts);
if (err)
goto cleanup;
err = git_repository_index(&index, repository);
if (err)
goto cleanup;
if (git_index_has_conflicts(index)) {
SET_SLOT(merge_result, Rf_install("conflicts"), ScalarLogical(1));
} else {
SET_SLOT(merge_result, Rf_install("conflicts"), ScalarLogical(0));
if (commit_on_success) {
char sha[GIT_OID_HEXSZ + 1];
git_oid oid;
err = git2r_commit_create(
&oid,
repository,
index,
message,
merger,
merger);
if (err)
goto cleanup;
git_oid_fmt(sha, &oid);
sha[GIT_OID_HEXSZ] = '\0';
SET_SLOT(merge_result, Rf_install("sha"), mkString(sha));
}
}
cleanup:
if (commit)
git_commit_free(commit);
if (index)
git_index_free(index);
return err;
}
int main()
{
git_libgit2_init();
git_repository* rep = nullptr;
git_rebase* prebase = nullptr;
git_rebase_options rebase_opt = GIT_REBASE_OPTIONS_INIT;
git_reference* onto_branch = nullptr;
git_annotated_commit* onto = nullptr;
git_rebase_operation* operation = nullptr;
size_t entrycount;
size_t current;
git_signature* me = nullptr;
git_index* index = nullptr;
git_oid new_commit;
int error = 0;
// git open
git_repository_open(&rep, path);
error = git_rebase_open(&prebase, rep, &rebase_opt);
// There is no rebase in progress
if (error == GIT_ENOTFOUND)
{
git_branch_lookup(&onto_branch, rep, "new", GIT_BRANCH_LOCAL);
git_annotated_commit_from_ref(&onto, rep, onto_branch);
git_rebase_init(&prebase, rep, nullptr /* current branch */, nullptr /* upstream */
, onto /* branch to rebase onto */, &rebase_opt);
}
else if (error < 0)
{
const git_error *e = giterr_last();
std::cout << "Error: " << error << " / " << e->klass << " : " << e->message << std::endl;
goto SHUTDOWN;
}
entrycount = git_rebase_operation_entrycount(prebase);
std::cout<< "rebase entry count: " << entrycount << "\n";
while (git_rebase_next(&operation, prebase) != GIT_ITEROVER)
{
current = git_rebase_operation_current(prebase); // (called `init` but not yet `next`) then this returns `GIT_REBASE_NO_OPERATION`
std::cout<< "rebase current index: " << current << "\n";
if (GIT_REBASE_NO_OPERATION == current)
{
std::cout<< "rebase no operation" << "\n";
}
operation = git_rebase_operation_byindex(prebase, 0);
}
// reslove conflicts
git_repository_index(&index, rep);
if (git_index_has_conflicts(index))
{
// git checkout --theirs
git_checkout_options opt = GIT_CHECKOUT_OPTIONS_INIT;
opt.checkout_strategy |= GIT_CHECKOUT_USE_THEIRS;
git_checkout_index(rep, index, &opt);
}
// add
git_index_update_all(index, nullptr, nullptr, nullptr);
git_index_write(index);
// commit
git_signature_now(&me, "XiaochenFTX", "*****@*****.**");
git_rebase_commit(&new_commit, prebase, me, me, "UTF-8", "new rebase");
error = git_rebase_finish(prebase, me);
if (error < 0)
{
const git_error *e = giterr_last();
std::cout << "Error: " << error << " / " << e->klass << " : " << e->message << std::endl;
goto SHUTDOWN;
}
// git_rebase_abort(prebase);
git_rebase_free(prebase);
SHUTDOWN:
git_repository_free(rep);
git_libgit2_shutdown();
return 0;
}
