thodg/libgit2

diff --git a/include/git2/branch.h b/include/git2/branch.h
index e45a364..06f4d2c 100644
--- a/include/git2/branch.h
+++ b/include/git2/branch.h
@@ -43,10 +43,6 @@ GIT_BEGIN_DECL
  *
  * @param force Overwrite existing branch.
  *
- * @param log_message The one line long message to be appended to the reflog.
- * If NULL, the default is "Branch: created"; if you want something more
- * useful, provide a message.
- *
  * @return 0, GIT_EINVALIDSPEC or an error code.
  * A proper reference is written in the refs/heads namespace
  * pointing to the provided target commit.
@@ -56,8 +52,7 @@ GIT_EXTERN(int) git_branch_create(
 	git_repository *repo,
 	const char *branch_name,
 	const git_commit *target,
-	int force,
-	const char *log_message);
+	int force);
 
 /**
  * Delete an existing branch reference.
@@ -120,16 +115,13 @@ GIT_EXTERN(void) git_branch_iterator_free(git_branch_iterator *iter);
  *
  * @param force Overwrite existing branch.
  *
- * @param log_message The one line long message to be appended to the reflog
- *
  * @return 0 on success, GIT_EINVALIDSPEC or an error code.
  */
 GIT_EXTERN(int) git_branch_move(
 	git_reference **out,
 	git_reference *branch,
 	const char *new_branch_name,
-	int force,
-	const char *log_message);
+	int force);
 
 /**
  * Lookup a branch by its name in a repository.
diff --git a/src/branch.c b/src/branch.c
index 762a262..4e9460f 100644
--- a/src/branch.c
+++ b/src/branch.c
@@ -54,13 +54,12 @@ int git_branch_create(
 	git_repository *repository,
 	const char *branch_name,
 	const git_commit *commit,
-	int force,
-	const char *log_message)
+	int force)
 {
 	int is_head = 0;
 	git_reference *branch = NULL;
 	git_buf canonical_branch_name = GIT_BUF_INIT,
-			  log_message_buf = GIT_BUF_INIT;
+			  log_message = GIT_BUF_INIT;
 	int error = -1;
 
 	assert(branch_name && commit && ref_out);
@@ -87,19 +86,19 @@ int git_branch_create(
 	if (git_buf_joinpath(&canonical_branch_name, GIT_REFS_HEADS_DIR, branch_name) < 0)
 		goto cleanup;
 
-	if (git_buf_sets(&log_message_buf, log_message ? log_message : "Branch: created") < 0)
+	if (git_buf_printf(&log_message, "Branch: created from %s", git_oid_tostr_s(git_commit_id(commit))) < 0)
 		goto cleanup;
 
 	error = git_reference_create(&branch, repository,
 		git_buf_cstr(&canonical_branch_name), git_commit_id(commit), force,
-		git_buf_cstr(&log_message_buf));
+		git_buf_cstr(&log_message));
 
 	if (!error)
 		*ref_out = branch;
 
 cleanup:
 	git_buf_free(&canonical_branch_name);
-	git_buf_free(&log_message_buf);
+	git_buf_free(&log_message);
 	return error;
 }
 
@@ -221,13 +220,12 @@ int git_branch_move(
 	git_reference **out,
 	git_reference *branch,
 	const char *new_branch_name,
-	int force,
-	const char *log_message)
+	int force)
 {
 	git_buf new_reference_name = GIT_BUF_INIT,
 	        old_config_section = GIT_BUF_INIT,
 	        new_config_section = GIT_BUF_INIT,
-	        log_message_buf = GIT_BUF_INIT;
+	        log_message = GIT_BUF_INIT;
 	int error;
 
 	assert(branch && new_branch_name);
@@ -238,20 +236,15 @@ int git_branch_move(
 	if ((error = git_buf_joinpath(&new_reference_name, GIT_REFS_HEADS_DIR, new_branch_name)) < 0)
 		goto done;
 
-	if (log_message) {
-		if ((error = git_buf_sets(&log_message_buf, log_message)) < 0)
+	if ((error = git_buf_printf(&log_message, "Branch: renamed %s to %s",
+				    git_reference_name(branch), git_buf_cstr(&new_reference_name))) < 0)
 			goto done;
-	} else {
-		if ((error = git_buf_printf(&log_message_buf, "Branch: renamed %s to %s",
-						git_reference_name(branch), git_buf_cstr(&new_reference_name))) < 0)
-			goto done;
-	}
 
 	/* first update ref then config so failure won't trash config */
 
 	error = git_reference_rename(
 		out, branch, git_buf_cstr(&new_reference_name), force,
-		git_buf_cstr(&log_message_buf));
+		git_buf_cstr(&log_message));
 	if (error < 0)
 		goto done;
 
@@ -268,7 +261,7 @@ done:
 	git_buf_free(&new_reference_name);
 	git_buf_free(&old_config_section);
 	git_buf_free(&new_config_section);
-	git_buf_free(&log_message_buf);
+	git_buf_free(&log_message);
 
 	return error;
 }
diff --git a/src/clone.c b/src/clone.c
index f7ae17c..ac6a059 100644
--- a/src/clone.c
+++ b/src/clone.c
@@ -35,6 +35,7 @@ static int create_branch(
 {
 	git_commit *head_obj = NULL;
 	git_reference *branch_ref = NULL;
+	git_buf refname = GIT_BUF_INIT;
 	int error;
 
 	/* Find the target commit */
@@ -42,8 +43,11 @@ static int create_branch(
 		return error;
 
 	/* Create the new branch */
-	error = git_branch_create(&branch_ref, repo, name, head_obj, 0, log_message);
+	if ((error = git_buf_printf(&refname, GIT_REFS_HEADS_DIR "%s", name)) < 0)
+		return error;
 
+	error = git_reference_create(&branch_ref, repo, git_buf_cstr(&refname), target, 0, log_message);
+	git_buf_free(&refname);
 	git_commit_free(head_obj);
 
 	if (!error)
diff --git a/tests/checkout/tree.c b/tests/checkout/tree.c
index 97ef22b..9620886 100644
--- a/tests/checkout/tree.c
+++ b/tests/checkout/tree.c
@@ -481,7 +481,7 @@ void assert_conflict(
 	/* Create a branch pointing at the parent */
 	cl_git_pass(git_revparse_single(&g_object, g_repo, parent_sha));
 	cl_git_pass(git_branch_create(&branch, g_repo,
-		"potential_conflict", (git_commit *)g_object, 0,  NULL));
+		"potential_conflict", (git_commit *)g_object, 0));
 
 	/* Make HEAD point to this branch */
 	cl_git_pass(git_reference_symbolic_create(
@@ -1201,7 +1201,7 @@ void test_checkout_tree__can_not_update_index(void)
 	cl_git_pass(git_reference_name_to_id(&oid, g_repo, "HEAD"));
 	cl_git_pass(git_object_lookup(&head, g_repo, &oid, GIT_OBJ_ANY));
 
-	cl_git_pass(git_reset(g_repo, head, GIT_RESET_HARD, &g_opts, NULL));
+	cl_git_pass(git_reset(g_repo, head, GIT_RESET_HARD, &g_opts));
 
 	cl_assert_equal_i(false, git_path_isdir("./testrepo/ab/"));
 
@@ -1238,7 +1238,7 @@ void test_checkout_tree__can_update_but_not_write_index(void)
 	cl_git_pass(git_reference_name_to_id(&oid, g_repo, "HEAD"));
 	cl_git_pass(git_object_lookup(&head, g_repo, &oid, GIT_OBJ_ANY));
 
-	cl_git_pass(git_reset(g_repo, head, GIT_RESET_HARD, &g_opts, NULL));
+	cl_git_pass(git_reset(g_repo, head, GIT_RESET_HARD, &g_opts));
 
 	cl_assert_equal_i(false, git_path_isdir("./testrepo/ab/"));
 
diff --git a/tests/perf/helper__perf__do_merge.c b/tests/perf/helper__perf__do_merge.c
index 8ffd863..10f726c 100644
--- a/tests/perf/helper__perf__do_merge.c
+++ b/tests/perf/helper__perf__do_merge.c
@@ -37,7 +37,7 @@ void perf__do_merge(const char *fixture,
 	cl_git_pass(git_commit_lookup(&commit_a, g_repo, &oid_a));
 	cl_git_pass(git_branch_create(&ref_branch_a, g_repo,
 								  "A", commit_a,
-								  0, NULL));
+								  0));
 
 	perf__timer__start(&t_checkout);
 	cl_git_pass(git_checkout_tree(g_repo, (git_object*)commit_a, &checkout_opts));
@@ -50,7 +50,7 @@ void perf__do_merge(const char *fixture,
 	cl_git_pass(git_commit_lookup(&commit_b, g_repo, &oid_b));
 	cl_git_pass(git_branch_create(&ref_branch_b, g_repo,
 								  "B", commit_b,
-								  0, NULL));
+								  0));
 
 	cl_git_pass(git_annotated_commit_lookup(&annotated_commits[0], g_repo, &oid_b));
 
diff --git a/tests/refs/branches/create.c b/tests/refs/branches/create.c
index 4d52c77..dc80578 100644
--- a/tests/refs/branches/create.c
+++ b/tests/refs/branches/create.c
@@ -45,7 +45,7 @@ void test_refs_branches_create__can_create_a_local_branch(void)
 {
 	retrieve_known_commit(&target, repo);
 
-	cl_git_pass(git_branch_create(&branch, repo, NEW_BRANCH_NAME, target, 0, NULL));
+	cl_git_pass(git_branch_create(&branch, repo, NEW_BRANCH_NAME, target, 0));
 	cl_git_pass(git_oid_cmp(git_reference_target(branch), git_commit_id(target)));
 }
 
@@ -53,14 +53,14 @@ void test_refs_branches_create__can_not_create_a_branch_if_its_name_collide_with
 {
 	retrieve_known_commit(&target, repo);
 
-	cl_assert_equal_i(GIT_EEXISTS, git_branch_create(&branch, repo, "br2", target, 0, NULL));
+	cl_assert_equal_i(GIT_EEXISTS, git_branch_create(&branch, repo, "br2", target, 0));
 }
 
 void test_refs_branches_create__can_force_create_over_an_existing_branch(void)
 {
 	retrieve_known_commit(&target, repo);
 
-	cl_git_pass(git_branch_create(&branch, repo, "br2", target, 1, NULL));
+	cl_git_pass(git_branch_create(&branch, repo, "br2", target, 1));
 	cl_git_pass(git_oid_cmp(git_reference_target(branch), git_commit_id(target)));
 	cl_assert_equal_s("refs/heads/br2", git_reference_name(branch));
 }
@@ -76,7 +76,7 @@ void test_refs_branches_create__cannot_force_create_over_current_branch(void)
 	cl_assert_equal_i(true, git_branch_is_head(branch2));
 	oid = git_reference_target(branch2);
 
-	cl_git_fail_with(-1, git_branch_create(&branch, repo, "master", target, 1, NULL));
+	cl_git_fail_with(-1, git_branch_create(&branch, repo, "master", target, 1));
 	branch = NULL;
 	cl_git_pass(git_branch_lookup(&branch, repo, "master", GIT_BRANCH_LOCAL));
 	cl_assert_equal_s("refs/heads/master", git_reference_name(branch));
@@ -89,32 +89,13 @@ void test_refs_branches_create__creating_a_branch_with_an_invalid_name_returns_E
 	retrieve_known_commit(&target, repo);
 
 	cl_assert_equal_i(GIT_EINVALIDSPEC,
-		git_branch_create(&branch, repo, "inv@{id", target, 0, NULL));
-}
-
-void test_refs_branches_create__creation_creates_new_reflog(void)
-{
-	git_reflog *log;
-	const git_reflog_entry *entry;
-	git_signature *sig;
-
-	cl_git_pass(git_signature_now(&sig, "me", "foo@example.com"));
-
-	retrieve_known_commit(&target, repo);
-	cl_git_pass(git_branch_create(&branch, repo, NEW_BRANCH_NAME, target, false, "create!"));
-	cl_git_pass(git_reflog_read(&log, repo, "refs/heads/" NEW_BRANCH_NAME));
-
-	cl_assert_equal_i(1, git_reflog_entrycount(log));
-	entry = git_reflog_entry_byindex(log, 0);
-	cl_assert_equal_s("create!", git_reflog_entry_message(entry));
-
-	git_reflog_free(log);
-	git_signature_free(sig);
+		git_branch_create(&branch, repo, "inv@{id", target, 0));
 }
 
 void test_refs_branches_create__default_reflog_message(void)
 {
 	git_reflog *log;
+	git_buf buf = GIT_BUF_INIT;
 	const git_reflog_entry *entry;
 	git_signature *sig;
 	git_config *cfg;
@@ -127,13 +108,15 @@ void test_refs_branches_create__default_reflog_message(void)
 	cl_git_pass(git_signature_default(&sig, repo));
 
 	retrieve_known_commit(&target, repo);
-	cl_git_pass(git_branch_create(&branch, repo, NEW_BRANCH_NAME, target, false, NULL));
+	cl_git_pass(git_branch_create(&branch, repo, NEW_BRANCH_NAME, target, false));
 	cl_git_pass(git_reflog_read(&log, repo, "refs/heads/" NEW_BRANCH_NAME));
 
 	entry = git_reflog_entry_byindex(log, 0);
-	cl_assert_equal_s("Branch: created", git_reflog_entry_message(entry));
+	cl_git_pass(git_buf_printf(&buf, "Branch: created from %s", git_oid_tostr_s(git_commit_id(target))));
+	cl_assert_equal_s(git_buf_cstr(&buf), git_reflog_entry_message(entry));
 	cl_assert_equal_s(sig->email, git_reflog_entry_committer(entry)->email);
 
+	git_buf_free(&buf);
 	git_reflog_free(log);
 	git_signature_free(sig);
 }
@@ -180,7 +163,7 @@ void test_refs_branches_create__can_create_branch_with_unicode(void)
 	for (i = 0; i < ARRAY_SIZE(names); ++i) {
 		const char *name;
 		cl_git_pass(git_branch_create(
-			&branch, repo, names[i], target, 0, NULL));
+			&branch, repo, names[i], target, 0));
 		cl_git_pass(git_oid_cmp(
 			git_reference_target(branch), git_commit_id(target)));
 
@@ -238,7 +221,7 @@ void test_refs_branches_create__name_vs_namespace(void)
 	retrieve_known_commit(&target, repo);
 
 	for (p=item; p->first; p++) {
-		cl_git_pass(git_branch_create(&branch, repo, p->first, target, 0, NULL));
+		cl_git_pass(git_branch_create(&branch, repo, p->first, target, 0));
 		cl_git_pass(git_oid_cmp(git_reference_target(branch), git_commit_id(target)));
 		cl_git_pass(git_branch_name(&name, branch));
 		cl_assert_equal_s(name, p->first);
@@ -247,7 +230,7 @@ void test_refs_branches_create__name_vs_namespace(void)
 		git_reference_free(branch);
 		branch = NULL;
 
-		cl_git_pass(git_branch_create(&branch, repo, p->second, target, 0, NULL));
+		cl_git_pass(git_branch_create(&branch, repo, p->second, target, 0));
 		git_reference_free(branch);
 		branch = NULL;
 	}
@@ -276,7 +259,7 @@ void test_refs_branches_create__name_vs_namespace_fail(void)
 	retrieve_known_commit(&target, repo);
 
 	for (p=item; p->first; p++) {
-		cl_git_pass(git_branch_create(&branch, repo, p->first, target, 0, NULL));
+		cl_git_pass(git_branch_create(&branch, repo, p->first, target, 0));
 		cl_git_pass(git_oid_cmp(git_reference_target(branch), git_commit_id(target)));
 		cl_git_pass(git_branch_name(&name, branch));
 		cl_assert_equal_s(name, p->first);
@@ -285,7 +268,7 @@ void test_refs_branches_create__name_vs_namespace_fail(void)
 		git_reference_free(branch);
 		branch = NULL;
 
-		cl_git_pass(git_branch_create(&branch, repo, p->first_alternate, target, 0, NULL));
+		cl_git_pass(git_branch_create(&branch, repo, p->first_alternate, target, 0));
 		cl_git_pass(git_oid_cmp(git_reference_target(branch), git_commit_id(target)));
 		cl_git_pass(git_branch_name(&name, branch));
 		cl_assert_equal_s(name, p->first_alternate);
@@ -294,7 +277,7 @@ void test_refs_branches_create__name_vs_namespace_fail(void)
 		git_reference_free(branch);
 		branch = NULL;
 
-		cl_git_fail(git_branch_create(&branch, repo, p->second, target, 0, NULL));
+		cl_git_fail(git_branch_create(&branch, repo, p->second, target, 0));
 		git_reference_free(branch);
 		branch = NULL;
 	}
diff --git a/tests/refs/branches/move.c b/tests/refs/branches/move.c
index b78daa2..c1d1ae3 100644
--- a/tests/refs/branches/move.c
+++ b/tests/refs/branches/move.c
@@ -22,7 +22,7 @@ void test_refs_branches_move__can_move_a_local_branch(void)
 
 	cl_git_pass(git_reference_lookup(&original_ref, repo, "refs/heads/br2"));
 
-	cl_git_pass(git_branch_move(&new_ref, original_ref, NEW_BRANCH_NAME, 0, NULL));
+	cl_git_pass(git_branch_move(&new_ref, original_ref, NEW_BRANCH_NAME, 0));
 	cl_assert_equal_s(GIT_REFS_HEADS_DIR NEW_BRANCH_NAME, git_reference_name(new_ref));
 
 	git_reference_free(original_ref);
@@ -36,11 +36,11 @@ void test_refs_branches_move__can_move_a_local_branch_to_a_different_namespace(v
 	cl_git_pass(git_reference_lookup(&original_ref, repo, "refs/heads/br2"));
 
 	/* Downward */
-	cl_git_pass(git_branch_move(&new_ref, original_ref, "somewhere/" NEW_BRANCH_NAME, 0, NULL));
+	cl_git_pass(git_branch_move(&new_ref, original_ref, "somewhere/" NEW_BRANCH_NAME, 0));
 	git_reference_free(original_ref);
 
 	/* Upward */
-	cl_git_pass(git_branch_move(&newer_ref, new_ref, "br2", 0, NULL));
+	cl_git_pass(git_branch_move(&newer_ref, new_ref, "br2", 0));
 	git_reference_free(new_ref);
 
 	git_reference_free(newer_ref);
@@ -53,11 +53,11 @@ void test_refs_branches_move__can_move_a_local_branch_to_a_partially_colliding_n
 	cl_git_pass(git_reference_lookup(&original_ref, repo, "refs/heads/br2"));
 
 	/* Downward */
-	cl_git_pass(git_branch_move(&new_ref, original_ref, "br2/" NEW_BRANCH_NAME, 0, NULL));
+	cl_git_pass(git_branch_move(&new_ref, original_ref, "br2/" NEW_BRANCH_NAME, 0));
 	git_reference_free(original_ref);
 
 	/* Upward */
-	cl_git_pass(git_branch_move(&newer_ref, new_ref, "br2", 0, NULL));
+	cl_git_pass(git_branch_move(&newer_ref, new_ref, "br2", 0));
 	git_reference_free(new_ref);
 
 	git_reference_free(newer_ref);
@@ -81,7 +81,7 @@ void test_refs_branches_move__can_not_move_a_branch_if_its_destination_name_coll
 	cl_git_pass(git_reference_lookup(&original_ref, repo, "refs/heads/br2"));
 
 	cl_assert_equal_i(GIT_EEXISTS,
-		git_branch_move(&new_ref, original_ref, "master", 0, NULL));
+		git_branch_move(&new_ref, original_ref, "master", 0));
 
 	cl_assert(giterr_last()->message != NULL);
 	cl_git_pass(git_config_get_entry(&ce, config, "branch.master.remote"));
@@ -91,7 +91,7 @@ void test_refs_branches_move__can_not_move_a_branch_if_its_destination_name_coll
 
 
 	cl_assert_equal_i(GIT_EEXISTS,
-		git_branch_move(&new_ref, original_ref, "cannot-fetch", 0, NULL));
+		git_branch_move(&new_ref, original_ref, "cannot-fetch", 0));
 
 	cl_assert(giterr_last()->message != NULL);
 	cl_git_pass(git_config_get_entry(&ce, config, "branch.master.remote"));
@@ -103,7 +103,7 @@ void test_refs_branches_move__can_not_move_a_branch_if_its_destination_name_coll
 	cl_git_pass(git_reference_lookup(&original_ref, repo, "refs/heads/track-local"));
 
 	cl_assert_equal_i(GIT_EEXISTS,
-		git_branch_move(&new_ref, original_ref, "master", 0, NULL));
+		git_branch_move(&new_ref, original_ref, "master", 0));
 
 	cl_assert(giterr_last()->message != NULL);
 	cl_git_pass(git_config_get_entry(&ce, config, "branch.master.remote"));
@@ -122,7 +122,7 @@ void test_refs_branches_move__moving_a_branch_with_an_invalid_name_returns_EINVA
 
 	cl_git_pass(git_reference_lookup(&original_ref, repo, "refs/heads/br2"));
 
-	cl_assert_equal_i(GIT_EINVALIDSPEC, git_branch_move(&new_ref, original_ref, "Inv@{id", 0, NULL));
+	cl_assert_equal_i(GIT_EINVALIDSPEC, git_branch_move(&new_ref, original_ref, "Inv@{id", 0));
 
 	git_reference_free(original_ref);
 }
@@ -132,7 +132,7 @@ void test_refs_branches_move__can_not_move_a_non_branch(void)
 	git_reference *tag, *new_ref;
 
 	cl_git_pass(git_reference_lookup(&tag, repo, "refs/tags/e90810b"));
-	cl_git_fail(git_branch_move(&new_ref, tag, NEW_BRANCH_NAME, 0, NULL));
+	cl_git_fail(git_branch_move(&new_ref, tag, NEW_BRANCH_NAME, 0));
 
 	git_reference_free(tag);
 }
@@ -143,7 +143,7 @@ void test_refs_branches_move__can_force_move_over_an_existing_branch(void)
 
 	cl_git_pass(git_reference_lookup(&original_ref, repo, "refs/heads/br2"));
 
-	cl_git_pass(git_branch_move(&new_ref, original_ref, "master", 1, NULL));
+	cl_git_pass(git_branch_move(&new_ref, original_ref, "master", 1));
 
 	git_reference_free(original_ref);
 	git_reference_free(new_ref);
@@ -161,7 +161,7 @@ void test_refs_branches_move__moving_a_branch_moves_related_configuration_data(v
 	assert_config_entry_existence(repo, "branch.moved.remote", false);
 	assert_config_entry_existence(repo, "branch.moved.merge", false);
 
-	cl_git_pass(git_branch_move(&new_branch, branch, "moved", 0, NULL));
+	cl_git_pass(git_branch_move(&new_branch, branch, "moved", 0));
 	git_reference_free(branch);
 
 	assert_config_entry_existence(repo, "branch.track-local.remote", false);
@@ -178,7 +178,7 @@ void test_refs_branches_move__moving_the_branch_pointed_at_by_HEAD_updates_HEAD(
 	git_reference *new_branch;
 
 	cl_git_pass(git_reference_lookup(&branch, repo, "refs/heads/master"));
-	cl_git_pass(git_branch_move(&new_branch, branch, "master2", 0, NULL));
+	cl_git_pass(git_branch_move(&new_branch, branch, "master2", 0));
 	git_reference_free(branch);
 	git_reference_free(new_branch);
 
@@ -187,29 +187,6 @@ void test_refs_branches_move__moving_the_branch_pointed_at_by_HEAD_updates_HEAD(
 	git_reference_free(branch);
 }
 
-void test_refs_branches_move__updates_the_reflog(void)
-{
-	git_reference *branch;
-	git_reference *new_branch;
-	git_reflog *log;
-	const git_reflog_entry *entry;
-	git_signature *sig;
-
-	cl_git_pass(git_signature_now(&sig, "me", "foo@example.com"));
-
-	cl_git_pass(git_reference_lookup(&branch, repo, "refs/heads/master"));
-	cl_git_pass(git_branch_move(&new_branch, branch, "master2", 0, "message"));
-
-	cl_git_pass(git_reflog_read(&log, repo, git_reference_name(new_branch)));
-	entry = git_reflog_entry_byindex(log, 0);
-	cl_assert_equal_s("message", git_reflog_entry_message(entry));
-
-	git_reference_free(branch);
-	git_reference_free(new_branch);
-	git_reflog_free(log);
-	git_signature_free(sig);
-}
-
 void test_refs_branches_move__default_reflog_message(void)
 {
 	git_reference *branch;
@@ -227,7 +204,7 @@ void test_refs_branches_move__default_reflog_message(void)
 	cl_git_pass(git_signature_default(&sig, repo));
 
 	cl_git_pass(git_reference_lookup(&branch, repo, "refs/heads/master"));
-	cl_git_pass(git_branch_move(&new_branch, branch, "master2", 0, NULL));
+	cl_git_pass(git_branch_move(&new_branch, branch, "master2", 0));
 
 	cl_git_pass(git_reflog_read(&log, repo, git_reference_name(new_branch)));
 	entry = git_reflog_entry_byindex(log, 0);
@@ -247,7 +224,7 @@ void test_refs_branches_move__can_move_with_unicode(void)
 	const char *new_branch_name = "\x41\xCC\x8A\x73\x74\x72\x6F\xCC\x88\x6D";
 
 	cl_git_pass(git_reference_lookup(&original_ref, repo, "refs/heads/br2"));
-	cl_git_pass(git_branch_move(&new_ref, original_ref, new_branch_name, 0, NULL));
+	cl_git_pass(git_branch_move(&new_ref, original_ref, new_branch_name, 0));
 
 	if (cl_repo_get_bool(repo, "core.precomposeunicode"))
 		cl_assert_equal_s(GIT_REFS_HEADS_DIR "\xC3\x85\x73\x74\x72\xC3\xB6\x6D", git_reference_name(new_ref));
diff --git a/tests/refs/branches/upstream.c b/tests/refs/branches/upstream.c
index f0aef55..f44f563 100644
--- a/tests/refs/branches/upstream.c
+++ b/tests/refs/branches/upstream.c
@@ -91,7 +91,7 @@ static void assert_merge_and_or_remote_key_missing(git_repository *repository, c
 	git_reference *branch;
 
 	cl_assert_equal_i(GIT_OBJ_COMMIT, git_object_type((git_object*)target));
-	cl_git_pass(git_branch_create(&branch, repository, entry_name, (git_commit*)target, 0, NULL));
+	cl_git_pass(git_branch_create(&branch, repository, entry_name, (git_commit*)target, 0));
 
 	cl_assert_equal_i(GIT_ENOTFOUND, git_branch_upstream(&upstream, branch));
 
diff --git a/tests/refs/revparse.c b/tests/refs/revparse.c
index ad468bb..3f89b5f 100644
--- a/tests/refs/revparse.c
+++ b/tests/refs/revparse.c
@@ -634,7 +634,7 @@ void test_refs_revparse__try_to_retrieve_branch_before_described_tag(void)
 	test_object_inrepo("blah-7-gc47800c", "c47800c7266a2be04c571c04d5a6614691ea99bd", repo);
 
 	cl_git_pass(git_revparse_single(&target, repo, "HEAD~3"));
-	cl_git_pass(git_branch_create(&branch, repo, "blah-7-gc47800c", (git_commit *)target, 0, NULL));
+	cl_git_pass(git_branch_create(&branch, repo, "blah-7-gc47800c", (git_commit *)target, 0));
 
 	git_oid_tostr(sha, GIT_OID_HEXSZ + 1, git_object_id(target));
 
@@ -672,7 +672,7 @@ void test_refs_revparse__try_to_retrieve_sha_before_branch(void)
 	test_object_inrepo("a65fedf39aefe402d3bb6e24df4d4f5fe4547750", "a65fedf39aefe402d3bb6e24df4d4f5fe4547750", repo);
 
 	cl_git_pass(git_revparse_single(&target, repo, "HEAD~3"));
-	cl_git_pass(git_branch_create(&branch, repo, "a65fedf39aefe402d3bb6e24df4d4f5fe4547750", (git_commit *)target, 0, NULL));
+	cl_git_pass(git_branch_create(&branch, repo, "a65fedf39aefe402d3bb6e24df4d4f5fe4547750", (git_commit *)target, 0));
 
 	git_oid_tostr(sha, GIT_OID_HEXSZ + 1, git_object_id(target));
 
@@ -708,7 +708,7 @@ void test_refs_revparse__try_to_retrieve_branch_before_abbrev_sha(void)
 	test_object_inrepo("c47800", "c47800c7266a2be04c571c04d5a6614691ea99bd", repo);
 
 	cl_git_pass(git_revparse_single(&target, repo, "HEAD~3"));
-	cl_git_pass(git_branch_create(&branch, repo, "c47800", (git_commit *)target, 0, NULL));
+	cl_git_pass(git_branch_create(&branch, repo, "c47800", (git_commit *)target, 0));
 
 	git_oid_tostr(sha, GIT_OID_HEXSZ + 1, git_object_id(target));