int git_clone(
git_repository **out,
const char *url,
const char *local_path,
const git_clone_options *_options)
{
int retcode = GIT_ERROR;
git_repository *repo = NULL;
git_remote *origin;
git_clone_options options = GIT_CLONE_OPTIONS_INIT;
int remove_directory_on_failure = 0;
assert(out && url && local_path);
if (_options)
memcpy(&options, _options, sizeof(git_clone_options));
GITERR_CHECK_VERSION(&options, GIT_CLONE_OPTIONS_VERSION, "git_clone_options");
/* Only clone to a new directory or an empty directory */
if (git_path_exists(local_path) && !git_path_is_empty_dir(local_path)) {
giterr_set(GITERR_INVALID,
"'%s' exists and is not an empty directory", local_path);
return GIT_ERROR;
}
/* Only remove the directory on failure if we create it */
remove_directory_on_failure = !git_path_exists(local_path);
if ((retcode = git_repository_init(&repo, local_path, options.bare)) < 0)
return retcode;
if ((retcode = create_and_configure_origin(&origin, repo, url, &options)) < 0)
goto cleanup;
retcode = git_clone_into(repo, origin, &options.checkout_opts, options.checkout_branch);
git_remote_free(origin);
if (retcode < 0)
goto cleanup;
*out = repo;
return 0;
cleanup:
git_repository_free(repo);
if (remove_directory_on_failure)
git_futils_rmdir_r(local_path, NULL, GIT_RMDIR_REMOVE_FILES);
else
git_futils_cleanupdir_r(local_path);
return retcode;
}
static int setup_remotes_and_fetch(
git_repository *repo,
const char *url,
const git_clone_options *options)
{
int retcode = GIT_ERROR;
git_remote *origin;
/* Construct an origin remote */
if (!create_and_configure_origin(&origin, repo, url, options)) {
git_remote_set_update_fetchhead(origin, 0);
/* Connect and download everything */
if (!git_remote_connect(origin, GIT_DIRECTION_FETCH)) {
if (!(retcode = git_remote_download(origin, options->fetch_progress_cb,
options->fetch_progress_payload))) {
/* Create "origin/foo" branches for all remote branches */
if (!git_remote_update_tips(origin)) {
/* Point HEAD to the requested branch */
if (options->checkout_branch) {
if (!update_head_to_branch(repo, options))
retcode = 0;
}
/* Point HEAD to the same ref as the remote's head */
else if (!update_head_to_remote(repo, origin)) {
retcode = 0;
}
}
}
git_remote_disconnect(origin);
}
git_remote_free(origin);
}
return retcode;
}
int git_clone(
git_repository **out,
const char *url,
const char *local_path,
const git_clone_options *_options)
{
int error = 0;
git_repository *repo = NULL;
git_remote *origin;
git_clone_options options = GIT_CLONE_OPTIONS_INIT;
uint32_t rmdir_flags = GIT_RMDIR_REMOVE_FILES;
git_repository_create_cb repository_cb;
assert(out && url && local_path);
if (_options)
memcpy(&options, _options, sizeof(git_clone_options));
GITERR_CHECK_VERSION(&options, GIT_CLONE_OPTIONS_VERSION, "git_clone_options");
/* Only clone to a new directory or an empty directory */
if (git_path_exists(local_path) && !git_path_is_empty_dir(local_path)) {
giterr_set(GITERR_INVALID,
"'%s' exists and is not an empty directory", local_path);
return GIT_EEXISTS;
}
/* Only remove the root directory on failure if we create it */
if (git_path_exists(local_path))
rmdir_flags |= GIT_RMDIR_SKIP_ROOT;
if (options.repository_cb)
repository_cb = options.repository_cb;
else
repository_cb = default_repository_create;
if ((error = repository_cb(&repo, local_path, options.bare, options.repository_cb_payload)) < 0)
return error;
if (!(error = create_and_configure_origin(&origin, repo, url, &options))) {
int clone_local = git_clone__should_clone_local(url, options.local);
int link = options.local != GIT_CLONE_LOCAL_NO_LINKS;
if (clone_local == 1)
error = clone_local_into(
repo, origin, &options.checkout_opts,
options.checkout_branch, link, options.signature);
else if (clone_local == 0)
error = clone_into(
repo, origin, &options.checkout_opts,
options.checkout_branch, options.signature);
else
error = -1;
git_remote_free(origin);
}
if (error != 0) {
git_error_state last_error = {0};
giterr_capture(&last_error, error);
git_repository_free(repo);
repo = NULL;
(void)git_futils_rmdir_r(local_path, NULL, rmdir_flags);
giterr_restore(&last_error);
}
*out = repo;
return error;
}
