Merge remote-tracking branch 'origin/clone-auth' into development

examples/network/clone.c

@@ -47,9 +47,25 @@ static void checkout_progress(const char *path, size_t cur, size_t tot, void *pa
 	print_progress(pd);
 }
 
+static int cred_acquire(git_cred **out, const char *url, unsigned int allowed_types, void *payload)
+{
+	char username[128] = {0};
+	char password[128] = {0};
+
+	printf("Username: ");
+	scanf("%s", username);
+
+	/* Yup. Right there on your terminal. Careful where you copy/paste output. */
+	printf("Password: ");
+	scanf("%s", password);
+
+	return git_cred_userpass_plaintext_new(out, username, password);
+}
+
 int do_clone(git_repository *repo, int argc, char **argv)
 {
 	progress_data pd;
+	git_remote *origin = NULL;
 	git_repository *cloned_repo = NULL;
 	git_checkout_opts checkout_opts = GIT_CHECKOUT_OPTS_INIT;
 	const char *url = argv[1];
@@ -65,14 +81,24 @@ int do_clone(git_repository *repo, int argc, char **argv)
 	}
 
 	// Set up options
-	memset(&checkout_opts, 0, sizeof(checkout_opts));
 	checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE;
 	checkout_opts.progress_cb = checkout_progress;
 	memset(&pd, 0, sizeof(pd));
 	checkout_opts.progress_payload = &pd;
 
+	// Create the origin remote, and set up for auth
+	error = git_remote_new(&origin, NULL, "origin", url, GIT_REMOTE_DEFAULT_FETCH);
+	if (error != 0) {
+		const git_error *err = giterr_last();
+		if (err) printf("ERROR %d: %s\n", err->klass, err->message);
+		else printf("ERROR %d: no detailed info\n", error);
+		return error;
+	}
+	git_remote_set_cred_acquire_cb(origin, cred_acquire, NULL);
+
 	// Do the clone
-	error = git_clone(&cloned_repo, url, path, &checkout_opts, &fetch_progress, &pd);
+	error = git_clone(&cloned_repo, origin, path, &checkout_opts, &fetch_progress, &pd);
+	git_remote_free(origin);
 	printf("\n");
 	if (error != 0) {
 		const git_error *err = giterr_last();

include/git2/clone.h

@@ -27,7 +27,7 @@ GIT_BEGIN_DECL
  * HEAD.
  *
  * @param out pointer that will receive the resulting repository object
- * @param origin_url repository to clone from
+ * @param origin_remote a remote which will act as the initial fetch source
  * @param workdir_path local directory to clone to
  * @param fetch_progress_cb optional callback for fetch progress. Be aware that
  * this is called inline with network and indexing operations, so performance
@@ -40,7 +40,7 @@ GIT_BEGIN_DECL
  */
 GIT_EXTERN(int) git_clone(
 		git_repository **out,
-		const char *origin_url,
+		git_remote *origin_remote,
 		const char *workdir_path,
 		git_checkout_opts *checkout_opts,
 		git_transfer_progress_callback fetch_progress_cb,
@@ -50,7 +50,7 @@ GIT_EXTERN(int) git_clone(
  * Create a bare clone of a remote repository.
  *
  * @param out pointer that will receive the resulting repository object
- * @param origin_url repository to clone from
+ * @param origin_remote a remote which will act as the initial fetch source
  * @param dest_path local directory to clone to
  * @param fetch_progress_cb optional callback for fetch progress. Be aware that
  * this is called inline with network and indexing operations, so performance
@@ -60,7 +60,7 @@ GIT_EXTERN(int) git_clone(
  */
 GIT_EXTERN(int) git_clone_bare(
 		git_repository **out,
-		const char *origin_url,
+		git_remote *origin_remote,
 		const char *dest_path,
 		git_transfer_progress_callback fetch_progress_cb,
 		void *fetch_progress_payload);

include/git2/remote.h

@@ -24,6 +24,14 @@
  */
 GIT_BEGIN_DECL
 
+/**
+ * Use this when creating a remote with git_remote_new to get the default fetch
+ * behavior produced by git_remote_add.  It corresponds to this fetchspec (note
+ * the spaces between '/' and '*' to avoid C compiler errors):
+ * "+refs/heads/ *:refs/remotes/<remote_name>/ *"
+ */
+#define GIT_REMOTE_DEFAULT_FETCH ""
+
 typedef int (*git_remote_rename_problem_cb)(const char *problematic_refspec, void *payload);
 /*
  * TODO: This functions still need to be implemented:
@@ -43,15 +51,25 @@ typedef int (*git_remote_rename_problem_cb)(const char *problematic_refspec, voi
  * See `git_tag_create()` for rules about valid names.
  *
  * @param out pointer to the new remote object
- * @param repo the associated repository
- * @param name the optional remote's name
+ * @param repo the associated repository. May be NULL for a "dangling" remote.
+ * @param name the optional remote's name. May be NULL.
  * @param url the remote repository's URL
- * @param fetch the fetch refspec to use for this remote
+ * @param fetch the fetch refspec to use for this remote. May be NULL for defaults.
  * @return 0, GIT_EINVALIDSPEC or an error code
  */
 GIT_EXTERN(int) git_remote_new(git_remote **out, git_repository *repo, const char *name, const char *url, const char *fetch);
 
 /**
+ * Sets the owning repository for the remote.  This is only allowed on
+ * dangling remotes.
+ *
+ * @param remote the remote to configure
+ * @param repo the repository that will own the remote
+ * @return 0 or an error code
+ */
+GIT_EXTERN(int) git_remote_set_repository(git_remote *remote, git_repository *repo);
+
+/**
  * Get the information for a particular remote
  *
  * The name will be checked for validity.

src/clone.c

@@ -262,15 +262,14 @@ cleanup:
 
 static int setup_remotes_and_fetch(
 		git_repository *repo,
-		const char *origin_url,
+		git_remote *origin,
 		git_transfer_progress_callback progress_cb,
 		void *progress_payload)
 {
 	int retcode = GIT_ERROR;
-	git_remote *origin = NULL;
 
-	/* Create the "origin" remote */
-	if (!git_remote_add(&origin, repo, GIT_REMOTE_ORIGIN, origin_url)) {
+	/* Add the origin remote */
+	if (!git_remote_set_repository(origin, repo) && !git_remote_save(origin)) {
 		/*
 		 * Don't write FETCH_HEAD, we'll check out the remote tracking
 		 * branch ourselves based on the server's default.
@@ -290,7 +289,6 @@ static int setup_remotes_and_fetch(
 			}
 			git_remote_disconnect(origin);
 		}
-		git_remote_free(origin);
 	}
 
 	return retcode;
@@ -325,7 +323,7 @@ static bool should_checkout(
 
 static int clone_internal(
 	git_repository **out,
-	const char *origin_url,
+	git_remote *origin_remote,
 	const char *path,
 	git_transfer_progress_callback fetch_progress_cb,
 	void *fetch_progress_payload,
@@ -340,7 +338,7 @@ static int clone_internal(
 	}
 
 	if (!(retcode = git_repository_init(&repo, path, is_bare))) {
-		if ((retcode = setup_remotes_and_fetch(repo, origin_url,
+		if ((retcode = setup_remotes_and_fetch(repo, origin_remote,
 						fetch_progress_cb, fetch_progress_payload)) < 0) {
 			/* Failed to fetch; clean up */
 			git_repository_free(repo);
@@ -359,16 +357,16 @@ static int clone_internal(
 
 int git_clone_bare(
 		git_repository **out,
-		const char *origin_url,
+		git_remote *origin_remote,
 		const char *dest_path,
 		git_transfer_progress_callback fetch_progress_cb,
 		void *fetch_progress_payload)
 {
-	assert(out && origin_url && dest_path);
+	assert(out && origin_remote && dest_path);
 
 	return clone_internal(
 		out,
-		origin_url,
+		origin_remote,
 		dest_path,
 		fetch_progress_cb,
 		fetch_progress_payload,
@@ -379,17 +377,17 @@ int git_clone_bare(
 
 int git_clone(
 		git_repository **out,
-		const char *origin_url,
+		git_remote *origin_remote,
 		const char *workdir_path,
 		git_checkout_opts *checkout_opts,
 		git_transfer_progress_callback fetch_progress_cb,
 		void *fetch_progress_payload)
 {
-	assert(out && origin_url && workdir_path);
+	assert(out && origin_remote && workdir_path);
 
 	return clone_internal(
 		out,
-		origin_url,
+		origin_remote,
 		workdir_path,
 		fetch_progress_cb,
 		fetch_progress_payload,

src/remote.c

@@ -86,9 +86,11 @@ cleanup:
 int git_remote_new(git_remote **out, git_repository *repo, const char *name, const char *url, const char *fetch)
 {
 	git_remote *remote;
+	git_buf fetchbuf = GIT_BUF_INIT;
+	int error = -1;
 
 	/* name is optional */
-	assert(out && repo && url);
+	assert(out && url);
 
 	remote = git__calloc(1, sizeof(git_remote));
 	GITERR_CHECK_ALLOC(remote);
@@ -98,20 +100,26 @@ int git_remote_new(git_remote **out, git_repository *repo, const char *name, con
 	remote->update_fetchhead = 1;
 
 	if (git_vector_init(&remote->refs, 32, NULL) < 0)
-		return -1;
+		goto on_error;
 
 	remote->url = git__strdup(url);
 	GITERR_CHECK_ALLOC(remote->url);
 
 	if (name != NULL) {
-		int error;
 		if ((error = ensure_remote_name_is_valid(name)) < 0) {
-			git_remote_free(remote);
-			return error;
+			error = GIT_EINVALIDSPEC;
+			goto on_error;
 		}
 
 		remote->name = git__strdup(name);
 		GITERR_CHECK_ALLOC(remote->name);
+
+		/* An empty name indicates to use a sensible default for the fetchspec. */
+		if (fetch && !(*fetch)) {
+			if (git_buf_printf(&fetchbuf, "+refs/heads/*:refs/remotes/%s/*", remote->name) < 0)
+				goto on_error;
+			fetch = git_buf_cstr(&fetchbuf);
+		}
 	}
 
 	if (fetch != NULL) {
@@ -125,11 +133,26 @@ int git_remote_new(git_remote **out, git_repository *repo, const char *name, con
 	}
 
 	*out = remote;
+	git_buf_free(&fetchbuf);
 	return 0;
 
 on_error:
 	git_remote_free(remote);
-	return -1;
+	git_buf_free(&fetchbuf);
+	return error;
+}
+
+int git_remote_set_repository(git_remote *remote, git_repository *repo)
+{
+	assert(repo);
+
+	if (remote->repo) {
+		giterr_set(GITERR_INVALID, "Remotes can't change repositiories.");
+		return GIT_ERROR;
+	}
+
+	remote->repo = repo;
+	return 0;
 }
 
 int git_remote_load(git_remote **out, git_repository *repo, const char *name)
@@ -289,6 +312,11 @@ int git_remote_save(const git_remote *remote)
 
 	assert(remote);
 
+	if (!remote->repo) {
+		giterr_set(GITERR_INVALID, "Can't save a dangling remote.");
+		return GIT_ERROR;
+	}
+
 	if ((error = ensure_remote_name_is_valid(remote->name)) < 0)
 		return error;
 
@@ -543,7 +571,7 @@ int git_remote__get_http_proxy(git_remote *remote, bool use_ssl, char **proxy_ur
 
 	assert(remote);
 
-	if (!proxy_url)
+	if (!proxy_url || !remote->repo)
 		return -1;
 
 	*proxy_url = NULL;
@@ -745,6 +773,11 @@ int git_remote_update_tips(git_remote *remote)
 
 	assert(remote);
 
+	if (!remote->repo) {
+		giterr_set(GITERR_INVALID, "Can't update tips on a dangling remote.");
+		return GIT_ERROR;
+	}
+
 	spec = &remote->fetch;
 	
 	if (git_repository_odb__weakptr(&odb, remote->repo) < 0)
@@ -1293,49 +1326,51 @@ int git_remote_rename(
 
 	assert(remote && new_name);
 
-	if ((error = ensure_remote_doesnot_exist(remote->repo, new_name)) < 0)
-		return error;
-
 	if ((error = ensure_remote_name_is_valid(new_name)) < 0)
 		return error;
 
-	if (!remote->name) {
-		if ((error = rename_fetch_refspecs(
-			remote,
-			new_name,
-			callback,
-			payload)) < 0)
+	if (remote->repo) {
+		if ((error = ensure_remote_doesnot_exist(remote->repo, new_name)) < 0)
 			return error;
 
-		remote->name = git__strdup(new_name);
+		if (!remote->name) {
+			if ((error = rename_fetch_refspecs(
+				remote,
+				new_name,
+				callback,
+				payload)) < 0)
+				return error;
 
-		return git_remote_save(remote);
-	}
+			remote->name = git__strdup(new_name);
 
-	if ((error = rename_remote_config_section(
-		remote->repo,
-		remote->name,
-		new_name)) < 0)
-			return error;
+			return git_remote_save(remote);
+		}
 
-	if ((error = update_branch_remote_config_entry(
-		remote->repo,
-		remote->name,
-		new_name)) < 0)
-			return error;
+		if ((error = rename_remote_config_section(
+			remote->repo,
+			remote->name,
+			new_name)) < 0)
+				return error;
 
-	if ((error = rename_remote_references(
-		remote->repo,
-		remote->name,
-		new_name)) < 0)
-			return error;
+		if ((error = update_branch_remote_config_entry(
+			remote->repo,
+			remote->name,
+			new_name)) < 0)
+				return error;
 
-	if ((error = rename_fetch_refspecs(
-		remote,
-		new_name,
-		callback,
-		payload)) < 0)
-		return error;
+		if ((error = rename_remote_references(
+			remote->repo,
+			remote->name,
+			new_name)) < 0)
+				return error;
+
+		if ((error = rename_fetch_refspecs(
+			remote,
+			new_name,
+			callback,
+			payload)) < 0)
+			return error;
+	}
 
 	git__free(remote->name);
 	remote->name = git__strdup(new_name);

tests-clar/clone/network.c

@@ -5,14 +5,22 @@
 
 CL_IN_CATEGORY("network")
 
-#define LIVE_REPO_URL "git://github.com/libgit2/TestGitRepository"
-#define LIVE_EMPTYREPO_URL "git://github.com/libgit2/TestEmptyRepository"
+#define LIVE_REPO_URL "http://github.com/libgit2/TestGitRepository"
+#define LIVE_EMPTYREPO_URL "http://github.com/libgit2/TestEmptyRepository"
 
 static git_repository *g_repo;
+static git_remote *g_origin;
 
 void test_clone_network__initialize(void)
 {
 	g_repo = NULL;
+	cl_git_pass(git_remote_new(&g_origin, NULL, "origin", LIVE_REPO_URL, GIT_REMOTE_DEFAULT_FETCH));
+}
+
+void test_clone_network__cleanup(void)
+{
+	git_remote_free(g_origin);
+	g_origin = NULL;
 }
 
 static void cleanup_repository(void *path)
@@ -31,7 +39,7 @@ void test_clone_network__network_full(void)
 
 	cl_set_cleanup(&cleanup_repository, "./test2");
 
-	cl_git_pass(git_clone(&g_repo, LIVE_REPO_URL, "./test2", NULL, NULL, NULL));
+	cl_git_pass(git_clone(&g_repo, g_origin, "./test2", NULL, NULL, NULL));
 	cl_assert(!git_repository_is_bare(g_repo));
 	cl_git_pass(git_remote_load(&origin, g_repo, "origin"));
 
@@ -45,7 +53,7 @@ void test_clone_network__network_bare(void)
 
 	cl_set_cleanup(&cleanup_repository, "./test");
 
-	cl_git_pass(git_clone_bare(&g_repo, LIVE_REPO_URL, "./test", NULL, NULL));
+	cl_git_pass(git_clone_bare(&g_repo, g_origin, "./test", NULL, NULL));
 	cl_assert(git_repository_is_bare(g_repo));
 	cl_git_pass(git_remote_load(&origin, g_repo, "origin"));
 
@@ -57,7 +65,7 @@ void test_clone_network__cope_with_already_existing_directory(void)
 	cl_set_cleanup(&cleanup_repository, "./foo");
 
 	p_mkdir("./foo", GIT_DIR_MODE);
-	cl_git_pass(git_clone(&g_repo, LIVE_REPO_URL, "./foo", NULL, NULL, NULL));
+	cl_git_pass(git_clone(&g_repo, g_origin, "./foo", NULL, NULL, NULL));
 	git_repository_free(g_repo); g_repo = NULL;
 }
 
@@ -67,7 +75,10 @@ void test_clone_network__empty_repository(void)
 
 	cl_set_cleanup(&cleanup_repository, "./empty");
 
-	cl_git_pass(git_clone(&g_repo, LIVE_EMPTYREPO_URL, "./empty", NULL, NULL, NULL));
+	git_remote_free(g_origin);
+	cl_git_pass(git_remote_new(&g_origin, NULL, "origin", LIVE_EMPTYREPO_URL, GIT_REMOTE_DEFAULT_FETCH));
+
+	cl_git_pass(git_clone(&g_repo, g_origin, "./empty", NULL, NULL, NULL));
 
 	cl_assert_equal_i(true, git_repository_is_empty(g_repo));
 	cl_assert_equal_i(true, git_repository_head_orphan(g_repo));
@@ -85,7 +96,7 @@ void test_clone_network__can_prevent_the_checkout_of_a_standard_repo(void)
 
 	cl_set_cleanup(&cleanup_repository, "./no-checkout");
 
-	cl_git_pass(git_clone(&g_repo, LIVE_REPO_URL, "./no-checkout", NULL, NULL, NULL));
+	cl_git_pass(git_clone(&g_repo, g_origin, "./no-checkout", NULL, NULL, NULL));
 
 	cl_git_pass(git_buf_joinpath(&path, git_repository_workdir(g_repo), "master.txt"));
 	cl_assert_equal_i(false, git_path_isfile(git_buf_cstr(&path)));
@@ -121,7 +132,7 @@ void test_clone_network__can_checkout_a_cloned_repo(void)
 
 	cl_set_cleanup(&cleanup_repository, "./default-checkout");
 
-	cl_git_pass(git_clone(&g_repo, LIVE_REPO_URL, "./default-checkout", &opts,
+	cl_git_pass(git_clone(&g_repo, g_origin, "./default-checkout", &opts,
 				&fetch_progress, &fetch_progress_cb_was_called));
 
 	cl_git_pass(git_buf_joinpath(&path, git_repository_workdir(g_repo), "master.txt"));

tests-clar/clone/nonetwork.c

@@ -6,10 +6,18 @@
 #define LIVE_REPO_URL "git://github.com/libgit2/TestGitRepository"
 
 static git_repository *g_repo;
+static git_remote *g_origin = NULL;
 
 void test_clone_nonetwork__initialize(void)
 {
 	g_repo = NULL;
+	cl_git_pass(git_remote_new(&g_origin, NULL, "origin", cl_git_fixture_url("testrepo.git"), GIT_REMOTE_DEFAULT_FETCH));
+}
+
+void test_clone_nonetwork__cleanup(void)
+{
+	git_remote_free(g_origin);
+	g_origin = NULL;
 }
 
 static void cleanup_repository(void *path)
@@ -25,18 +33,20 @@ static void cleanup_repository(void *path)
 void test_clone_nonetwork__bad_url(void)
 {
 	/* Clone should clean up the mess if the URL isn't a git repository */
-	cl_git_fail(git_clone(&g_repo, "not_a_repo", "./foo", NULL, NULL, NULL));
+	git_remote_free(g_origin);
+	cl_git_pass(git_remote_new(&g_origin, NULL, "origin", "not_a_repo", GIT_REMOTE_DEFAULT_FETCH));
+
+	cl_git_fail(git_clone(&g_repo, g_origin, "./foo", NULL, NULL, NULL));
 	cl_assert(!git_path_exists("./foo"));
-	cl_git_fail(git_clone_bare(&g_repo, "not_a_repo", "./foo.git", NULL, NULL));
+	cl_git_fail(git_clone_bare(&g_repo, g_origin, "./foo.git", NULL, NULL));
 	cl_assert(!git_path_exists("./foo.git"));
 }
 
 void test_clone_nonetwork__local(void)
 {
-	const char *src = cl_git_fixture_url("testrepo.git");
 	cl_set_cleanup(&cleanup_repository, "./local");
 
-	cl_git_pass(git_clone(&g_repo, src, "./local", NULL, NULL, NULL));
+	cl_git_pass(git_clone(&g_repo, g_origin, "./local", NULL, NULL, NULL));
 }
 
 void test_clone_nonetwork__local_absolute_path(void)
@@ -49,10 +59,9 @@ void test_clone_nonetwork__local_absolute_path(void)
 
 void test_clone_nonetwork__local_bare(void)
 {
-	const char *src = cl_git_fixture_url("testrepo.git");
 	cl_set_cleanup(&cleanup_repository, "./local.git");
 
-	cl_git_pass(git_clone_bare(&g_repo, src, "./local.git", NULL, NULL));
+	cl_git_pass(git_clone_bare(&g_repo, g_origin, "./local.git", NULL, NULL));
 }
 
 void test_clone_nonetwork__fail_when_the_target_is_a_file(void)
@@ -60,7 +69,7 @@ void test_clone_nonetwork__fail_when_the_target_is_a_file(void)
 	cl_set_cleanup(&cleanup_repository, "./foo");
 
 	cl_git_mkfile("./foo", "Bar!");
-	cl_git_fail(git_clone(&g_repo, LIVE_REPO_URL, "./foo", NULL, NULL, NULL));
+	cl_git_fail(git_clone(&g_repo, g_origin, "./foo", NULL, NULL, NULL));
 }
 
 void test_clone_nonetwork__fail_with_already_existing_but_non_empty_directory(void)
@@ -69,5 +78,5 @@ void test_clone_nonetwork__fail_with_already_existing_but_non_empty_directory(vo
 
 	p_mkdir("./foo", GIT_DIR_MODE);
 	cl_git_mkfile("./foo/bar", "Baz!");
-	cl_git_fail(git_clone(&g_repo, LIVE_REPO_URL, "./foo", NULL, NULL, NULL));
+	cl_git_fail(git_clone(&g_repo, g_origin, "./foo", NULL, NULL, NULL));
 }

tests-clar/fetchhead/network.c

@@ -10,10 +10,17 @@ CL_IN_CATEGORY("network")
 #define LIVE_REPO_URL "git://github.com/libgit2/TestGitRepository"
 
 static git_repository *g_repo;
+static git_remote *g_origin;
 
 void test_fetchhead_network__initialize(void)
 {
 	g_repo = NULL;
+	cl_git_pass(git_remote_new(&g_origin, NULL, "origin", LIVE_REPO_URL, GIT_REMOTE_DEFAULT_FETCH));
+}
+
+void test_fetchhead_network__cleanup(void)
+{
+	g_origin = NULL;
 }
 
 static void cleanup_repository(void *path)
@@ -31,7 +38,7 @@ static void fetchhead_test_clone(void)
 {
 	cl_set_cleanup(&cleanup_repository, "./test1");
 
-	cl_git_pass(git_clone(&g_repo, LIVE_REPO_URL, "./test1", NULL, NULL, NULL));
+	cl_git_pass(git_clone(&g_repo, g_origin, "./test1", NULL, NULL, NULL));
 }
 
 static void fetchhead_test_fetch(const char *fetchspec, const char *expected_fetchhead)

tests-clar/network/fetch.c

@@ -89,7 +89,8 @@ void test_network_fetch__doesnt_retrieve_a_pack_when_the_repository_is_up_to_dat
 	git_remote *remote;
 	bool invoked = false;
 
-	cl_git_pass(git_clone_bare(&_repository, "https://github.com/libgit2/TestGitRepository.git", "./fetch/lg2", NULL, NULL));
+	cl_git_pass(git_remote_new(&remote, NULL, "origin", "https://github.com/libgit2/TestGitRepository.git", GIT_REMOTE_DEFAULT_FETCH));
+	cl_git_pass(git_clone_bare(&_repository, remote, "./fetch/lg2", NULL, NULL));
 	git_repository_free(_repository);
 
 	cl_git_pass(git_repository_open(&_repository, "./fetch/lg2"));

tests-clar/network/remotes.c

@@ -326,3 +326,17 @@ void test_network_remotes__check_structure_version(void)
 	err = giterr_last();
 	cl_assert_equal_i(GITERR_INVALID, err->klass);
 }
+
+void test_network_remotes__dangling(void)
+{
+	cl_git_pass(git_remote_new(&_remote, NULL, "upstream", "git://github.com/libgit2/libgit2", NULL));
+
+	cl_git_pass(git_remote_rename(_remote, "newname", NULL, NULL));
+	cl_assert_equal_s(git_remote_name(_remote), "newname");
+
+	cl_git_fail(git_remote_save(_remote));
+	cl_git_fail(git_remote_update_tips(_remote));
+
+	cl_git_pass(git_remote_set_repository(_remote, _repo));
+	cl_git_pass(git_remote_save(_remote));
+}