static int rebase_init(
git_rebase *rebase,
git_repository *repo,
const git_annotated_commit *branch,
const git_annotated_commit *upstream,
const git_annotated_commit *onto,
const git_rebase_options *opts)
{
git_buf state_path = GIT_BUF_INIT;
int error;
if ((error = git_buf_joinpath(&state_path, repo->path_repository, REBASE_MERGE_DIR)) < 0)
return error;
rebase->repo = repo;
rebase->type = GIT_REBASE_TYPE_MERGE;
rebase->state_path = git_buf_detach(&state_path);
rebase->orig_head_name = git__strdup(branch->ref_name ? branch->ref_name : ORIG_DETACHED_HEAD);
rebase->quiet = opts->quiet;
git_oid_cpy(&rebase->orig_head_id, git_annotated_commit_id(branch));
git_oid_cpy(&rebase->onto_id, git_annotated_commit_id(onto));
if (!rebase->orig_head_name || !rebase->state_path)
return -1;
error = rebase_init_merge(rebase, repo, branch, upstream, onto);
git_buf_free(&state_path);
return error;
}
static int rebase_init_merge(
git_rebase *rebase,
git_repository *repo,
const git_annotated_commit *branch,
const git_annotated_commit *upstream,
const git_annotated_commit *onto)
{
git_reference *head_ref = NULL;
git_commit *onto_commit = NULL;
git_buf reflog = GIT_BUF_INIT;
git_buf state_path = GIT_BUF_INIT;
int error;
GIT_UNUSED(upstream);
if ((error = git_buf_joinpath(&state_path, repo->path_repository, REBASE_MERGE_DIR)) < 0)
goto done;
rebase->state_path = git_buf_detach(&state_path);
GITERR_CHECK_ALLOC(rebase->state_path);
if (branch->ref_name) {
rebase->orig_head_name = git__strdup(branch->ref_name);
GITERR_CHECK_ALLOC(rebase->orig_head_name);
} else {
rebase->head_detached = 1;
}
rebase->onto_name = git__strdup(rebase_onto_name(onto));
GITERR_CHECK_ALLOC(rebase->onto_name);
rebase->quiet = rebase->options.quiet;
git_oid_cpy(&rebase->orig_head_id, git_annotated_commit_id(branch));
git_oid_cpy(&rebase->onto_id, git_annotated_commit_id(onto));
if ((error = rebase_setupfiles(rebase)) < 0 ||
(error = git_buf_printf(&reflog,
"rebase: checkout %s", rebase_onto_name(onto))) < 0 ||
(error = git_commit_lookup(
&onto_commit, repo, git_annotated_commit_id(onto))) < 0 ||
(error = git_checkout_tree(repo,
(git_object *)onto_commit, &rebase->options.checkout_options)) < 0 ||
(error = git_reference_create(&head_ref, repo, GIT_HEAD_FILE,
git_annotated_commit_id(onto), 1, reflog.ptr)) < 0)
goto done;
done:
git_reference_free(head_ref);
git_commit_free(onto_commit);
git_buf_free(&reflog);
git_buf_free(&state_path);
return error;
}
void test_rebase_merge__finish(void)
{
git_rebase *rebase;
git_reference *branch_ref, *upstream_ref, *head_ref;
git_annotated_commit *branch_head, *upstream_head;
git_rebase_operation *rebase_operation;
git_checkout_options checkout_opts = GIT_CHECKOUT_OPTIONS_INIT;
git_oid commit_id;
git_reflog *reflog;
const git_reflog_entry *reflog_entry;
int error;
checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE;
cl_git_pass(git_reference_lookup(&branch_ref, repo, "refs/heads/gravy"));
cl_git_pass(git_reference_lookup(&upstream_ref, repo, "refs/heads/veal"));
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, NULL));
cl_git_pass(git_rebase_next(&rebase_operation, rebase, &checkout_opts));
cl_git_pass(git_rebase_commit(&commit_id, rebase, NULL, signature,
NULL, NULL));
cl_git_fail(error = git_rebase_next(&rebase_operation, rebase, &checkout_opts));
cl_assert_equal_i(GIT_ITEROVER, error);
cl_git_pass(git_rebase_finish(rebase, signature, NULL));
cl_assert_equal_i(GIT_REPOSITORY_STATE_NONE, git_repository_state(repo));
cl_git_pass(git_reference_lookup(&head_ref, repo, "HEAD"));
cl_assert_equal_i(GIT_REF_SYMBOLIC, git_reference_type(head_ref));
cl_assert_equal_s("refs/heads/gravy", git_reference_symbolic_target(head_ref));
/* Make sure the reflogs are updated appropriately */
cl_git_pass(git_reflog_read(&reflog, repo, "HEAD"));
cl_assert(reflog_entry = git_reflog_entry_byindex(reflog, 0));
cl_assert_equal_oid(&commit_id, git_reflog_entry_id_old(reflog_entry));
cl_assert_equal_oid(&commit_id, git_reflog_entry_id_new(reflog_entry));
cl_assert_equal_s("rebase finished: returning to refs/heads/gravy", git_reflog_entry_message(reflog_entry));
git_reflog_free(reflog);
cl_git_pass(git_reflog_read(&reflog, repo, "refs/heads/gravy"));
cl_assert(reflog_entry = git_reflog_entry_byindex(reflog, 0));
cl_assert_equal_oid(git_annotated_commit_id(branch_head), git_reflog_entry_id_old(reflog_entry));
cl_assert_equal_oid(&commit_id, git_reflog_entry_id_new(reflog_entry));
cl_assert_equal_s("rebase finished: refs/heads/gravy onto f87d14a4a236582a0278a916340a793714256864", git_reflog_entry_message(reflog_entry));
git_reflog_free(reflog);
git_annotated_commit_free(branch_head);
git_annotated_commit_free(upstream_head);
git_reference_free(head_ref);
git_reference_free(branch_ref);
git_reference_free(upstream_ref);
git_rebase_free(rebase);
}
int git_rebase_init(
git_rebase **out,
git_repository *repo,
const git_annotated_commit *branch,
const git_annotated_commit *upstream,
const git_annotated_commit *onto,
const git_signature *signature,
const git_rebase_options *given_opts)
{
git_rebase *rebase = NULL;
git_rebase_options opts;
git_reference *head_ref = NULL;
git_buf reflog = GIT_BUF_INIT;
git_checkout_options checkout_opts = GIT_CHECKOUT_OPTIONS_INIT;
int error;
assert(repo && branch && (upstream || onto));
*out = NULL;
GITERR_CHECK_VERSION(given_opts, GIT_REBASE_OPTIONS_VERSION, "git_rebase_options");
if (!onto)
onto = upstream;
checkout_opts.checkout_strategy = GIT_CHECKOUT_FORCE;
if ((error = rebase_normalize_opts(repo, &opts, given_opts)) < 0 ||
(error = git_repository__ensure_not_bare(repo, "rebase")) < 0 ||
(error = rebase_ensure_not_in_progress(repo)) < 0 ||
(error = rebase_ensure_not_dirty(repo)) < 0)
return error;
rebase = git__calloc(1, sizeof(git_rebase));
GITERR_CHECK_ALLOC(rebase);
if ((error = rebase_init(rebase, repo, branch, upstream, onto, &opts)) < 0 ||
(error = rebase_setupfiles(rebase)) < 0 ||
(error = git_buf_printf(&reflog,
"rebase: checkout %s", rebase_onto_name(onto))) < 0 ||
(error = git_reference_create(&head_ref, repo, GIT_HEAD_FILE,
git_annotated_commit_id(onto), 1, signature, reflog.ptr)) < 0 ||
(error = git_checkout_head(repo, &checkout_opts)) < 0)
goto done;
*out = rebase;
done:
if (error < 0) {
rebase_cleanup(rebase);
git_rebase_free(rebase);
}
git_reference_free(head_ref);
git_buf_free(&reflog);
rebase_opts_free(&opts);
return error;
}
static int rebase_init_operations(
git_rebase *rebase,
git_repository *repo,
const git_annotated_commit *branch,
const git_annotated_commit *upstream,
const git_annotated_commit *onto)
{
git_revwalk *revwalk = NULL;
git_commit *commit;
git_oid id;
bool merge;
git_rebase_operation *operation;
int error;
if (!upstream)
upstream = onto;
if ((error = git_revwalk_new(&revwalk, rebase->repo)) < 0 ||
(error = git_revwalk_push(revwalk, git_annotated_commit_id(branch))) < 0 ||
(error = git_revwalk_hide(revwalk, git_annotated_commit_id(upstream))) < 0)
goto done;
git_revwalk_sorting(revwalk, GIT_SORT_REVERSE | GIT_SORT_TIME);
while ((error = git_revwalk_next(&id, revwalk)) == 0) {
if ((error = git_commit_lookup(&commit, repo, &id)) < 0)
goto done;
merge = (git_commit_parentcount(commit) > 1);
git_commit_free(commit);
if (merge)
continue;
operation = git_array_alloc(rebase->operations);
operation->type = GIT_REBASE_OPERATION_PICK;
git_oid_cpy((git_oid *)&operation->id, &id);
}
error = 0;
done:
git_revwalk_free(revwalk);
return error;
}
static void test_abort(git_annotated_commit *branch, git_annotated_commit *onto)
{
git_rebase *rebase;
git_reference *head_ref, *branch_ref = NULL;
git_signature *signature;
git_status_list *statuslist;
git_reflog *reflog;
const git_reflog_entry *reflog_entry;
cl_git_pass(git_rebase_open(&rebase, repo));
cl_git_pass(git_signature_new(&signature, "Rebaser", "*****@*****.**", 1404157834, -400));
cl_git_pass(git_rebase_abort(rebase, signature));
cl_assert_equal_i(GIT_REPOSITORY_STATE_NONE, git_repository_state(repo));
/* Make sure the refs are updated appropriately */
cl_git_pass(git_reference_lookup(&head_ref, repo, "HEAD"));
if (branch->ref_name == NULL)
cl_assert_equal_oid(git_annotated_commit_id(branch), git_reference_target(head_ref));
else {
cl_assert_equal_s("refs/heads/beef", git_reference_symbolic_target(head_ref));
cl_git_pass(git_reference_lookup(&branch_ref, repo, git_reference_symbolic_target(head_ref)));
cl_assert_equal_oid(git_annotated_commit_id(branch), git_reference_target(branch_ref));
}
git_status_list_new(&statuslist, repo, NULL);
cl_assert_equal_i(0, git_status_list_entrycount(statuslist));
git_status_list_free(statuslist);
/* Make sure the reflogs are updated appropriately */
cl_git_pass(git_reflog_read(&reflog, repo, "HEAD"));
cl_assert(reflog_entry = git_reflog_entry_byindex(reflog, 0));
cl_assert_equal_oid(git_annotated_commit_id(onto), git_reflog_entry_id_old(reflog_entry));
cl_assert_equal_oid(git_annotated_commit_id(branch), git_reflog_entry_id_new(reflog_entry));
cl_assert_equal_s("rebase: aborting", git_reflog_entry_message(reflog_entry));
git_reflog_free(reflog);
git_reference_free(head_ref);
git_reference_free(branch_ref);
git_signature_free(signature);
git_rebase_free(rebase);
}
/**
* ggit_annotated_commit_get_id:
* @annotated_commit: a #GgitAnnotatedCommit.
*
* Gets the commit ID that the given @annotated_commit refs to.
*
* Returns: (transfer full): the commit ID that the given @annotated_commit refs to.
*/
GgitOId *
ggit_annotated_commit_get_id (GgitAnnotatedCommit *annotated_commit)
{
const git_oid *oid;
g_return_val_if_fail (annotated_commit != NULL, NULL);
oid = git_annotated_commit_id (annotated_commit->annotated_commit);
return _ggit_oid_wrap ((git_oid *)oid);
}
static int rebase_init_inmemory(
git_rebase *rebase,
git_repository *repo,
const git_annotated_commit *branch,
const git_annotated_commit *upstream,
const git_annotated_commit *onto)
{
GIT_UNUSED(branch);
GIT_UNUSED(upstream);
return git_commit_lookup(
&rebase->last_commit, repo, git_annotated_commit_id(onto));
}
/**
* Perform a fast-forward merge
*
* @param merge_result S4 class git_merge_result
* @param merge_head The merge head to fast-forward merge
* @param repository The repository
* @param log_message First part of the one line long message in the reflog
* @return 0 on success, or error code
*/
static int git2r_fast_forward_merge(
SEXP merge_result,
const git_annotated_commit *merge_head,
git_repository *repository,
const char *log_message)
{
int err;
const git_oid *oid;
git_buf buf = GIT_BUF_INIT;
git_commit *commit = NULL;
git_tree *tree = NULL;
git_reference *reference = NULL;
git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
oid = git_annotated_commit_id(merge_head);
err = git_commit_lookup(&commit, repository, oid);
if (err)
goto cleanup;
err = git_commit_tree(&tree, commit);
if (err)
goto cleanup;
opts.checkout_strategy = GIT_CHECKOUT_SAFE;
err = git_checkout_tree(repository, (git_object*)tree, &opts);
if (err)
goto cleanup;
err = git_repository_head(&reference, repository);
if (err) {
if (GIT_ENOTFOUND != err)
goto cleanup;
}
err = git_buf_printf(&buf, "%s: Fast-forward", log_message);
if (err)
goto cleanup;
if (GIT_ENOTFOUND == err) {
err = git_reference_create(
&reference,
repository,
"HEAD",
git_commit_id(commit),
0, /* force */
buf.ptr);
} else {
git_reference *target_ref = NULL;
err = git_reference_set_target(
&target_ref,
reference,
git_commit_id(commit),
buf.ptr);
if (target_ref)
git_reference_free(target_ref);
}
SET_SLOT(
merge_result,
Rf_install("fast_forward"),
ScalarLogical(1));
SET_SLOT(
merge_result,
Rf_install("conflicts"),
ScalarLogical(0));
cleanup:
git_buf_free(&buf);
if (commit)
git_commit_free(commit);
if (reference)
git_reference_free(reference);
if (tree)
git_tree_free(tree);
return err;
}
