13 files changed, 1725 insertions, 66 deletions

diff --git a/tests-clar/repo/discover.c b/tests-clar/repo/discover.c
index b3d639bd1..3d9aeedd7 100644
--- a/tests-clar/repo/discover.c
+++ b/tests-clar/repo/discover.c
@@ -135,7 +135,7 @@ void test_repo_discover__0(void)
 	ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB, ceiling_dirs, sub_repository_path);
 	ensure_repository_discover(REPOSITORY_ALTERNATE_FOLDER_SUB_SUB_SUB, ceiling_dirs, repository_path);
 
-	cl_git_pass(git_futils_rmdir_r(TEMP_REPO_FOLDER, GIT_DIRREMOVAL_FILES_AND_DIRS));
+	cl_git_pass(git_futils_rmdir_r(TEMP_REPO_FOLDER, NULL, GIT_RMDIR_REMOVE_FILES));
 	git_repository_free(repo);
 	git_buf_free(&ceiling_dirs_buf);
 }
diff --git a/tests-clar/repo/getters.c b/tests-clar/repo/getters.c
index 966de1f16..b372f5b70 100644
--- a/tests-clar/repo/getters.c
+++ b/tests-clar/repo/getters.c
@@ -1,71 +1,25 @@
 #include "clar_libgit2.h"
 
-void test_repo_getters__initialize(void)
-{
-	cl_fixture_sandbox("testrepo.git");
-}
-
-void test_repo_getters__cleanup(void)
-{
-	cl_fixture_cleanup("testrepo.git");
-}
-
-void test_repo_getters__empty(void)
-{
-	git_repository *repo_empty, *repo_normal;
-
-	cl_git_pass(git_repository_open(&repo_normal, cl_fixture("testrepo.git")));
-	cl_assert(git_repository_is_empty(repo_normal) == 0);
-	git_repository_free(repo_normal);
-
-	cl_git_pass(git_repository_open(&repo_empty, cl_fixture("empty_bare.git")));
-	cl_assert(git_repository_is_empty(repo_empty) == 1);
-	git_repository_free(repo_empty);
-}
-
-void test_repo_getters__head_detached(void)
+void test_repo_getters__is_empty_correctly_deals_with_pristine_looking_repos(void)
 {
 	git_repository *repo;
-	git_reference *ref;
-	git_oid oid;
-
-	cl_git_pass(git_repository_open(&repo, "testrepo.git"));
 
-	cl_assert(git_repository_head_detached(repo) == 0);
+	repo = cl_git_sandbox_init("empty_bare.git");
+	cl_git_remove_placeholders(git_repository_path(repo), "dummy-marker.txt");
 
-	/* detach the HEAD */
-	git_oid_fromstr(&oid, "c47800c7266a2be04c571c04d5a6614691ea99bd");
-	cl_git_pass(git_reference_create_oid(&ref, repo, "HEAD", &oid, 1));
-	cl_assert(git_repository_head_detached(repo) == 1);
-	git_reference_free(ref);
+	cl_assert_equal_i(true, git_repository_is_empty(repo));
 
-	/* take the reop back to it's original state */
-	cl_git_pass(git_reference_create_symbolic(&ref, repo, "HEAD", "refs/heads/master", 1));
-	cl_assert(git_repository_head_detached(repo) == 0);
-
-	git_reference_free(ref);
-	git_repository_free(repo);
+	cl_git_sandbox_cleanup();
 }
 
-void test_repo_getters__head_orphan(void)
+void test_repo_getters__is_empty_can_detect_used_repositories(void)
 {
 	git_repository *repo;
-	git_reference *ref;
-
-	cl_git_pass(git_repository_open(&repo, "testrepo.git"));
-
-	cl_assert(git_repository_head_orphan(repo) == 0);
 
-	/* orphan HEAD */
-	cl_git_pass(git_reference_create_symbolic(&ref, repo, "HEAD", "refs/heads/orphan", 1));
-	cl_assert(git_repository_head_orphan(repo) == 1);
-	git_reference_free(ref);
+	cl_git_pass(git_repository_open(&repo, cl_fixture("testrepo.git")));
 
-	/* take the reop back to it's original state */
-	cl_git_pass(git_reference_create_symbolic(&ref, repo, "HEAD", "refs/heads/master", 1));
-	cl_assert(git_repository_head_orphan(repo) == 0);
+	cl_assert_equal_i(false, git_repository_is_empty(repo));
 
-	git_reference_free(ref);
 	git_repository_free(repo);
 }
 
@@ -74,7 +28,7 @@ void test_repo_getters__retrieving_the_odb_honors_the_refcount(void)
 	git_odb *odb;
 	git_repository *repo;
 
-	cl_git_pass(git_repository_open(&repo, "testrepo.git"));
+	cl_git_pass(git_repository_open(&repo, cl_fixture("testrepo.git")));
 
 	cl_git_pass(git_repository_odb(&odb, repo));
 	cl_assert(((git_refcount *)odb)->refcount == 2);
diff --git a/tests-clar/repo/hashfile.c b/tests-clar/repo/hashfile.c
new file mode 100644
index 000000000..4cc9f18b4
--- /dev/null
+++ b/tests-clar/repo/hashfile.c
@@ -0,0 +1,85 @@
+#include "clar_libgit2.h"
+#include "buffer.h"
+
+static git_repository *_repo;
+
+void test_repo_hashfile__initialize(void)
+{
+	_repo = cl_git_sandbox_init("status");
+}
+
+void test_repo_hashfile__cleanup(void)
+{
+	cl_git_sandbox_cleanup();
+	_repo = NULL;
+}
+
+void test_repo_hashfile__simple(void)
+{
+	git_oid a, b;
+	git_buf full = GIT_BUF_INIT;
+
+	/* hash with repo relative path */
+	cl_git_pass(git_odb_hashfile(&a, "status/current_file", GIT_OBJ_BLOB));
+	cl_git_pass(git_repository_hashfile(&b, _repo, "current_file", GIT_OBJ_BLOB, NULL));
+	cl_assert(git_oid_equal(&a, &b));
+
+	cl_git_pass(git_buf_joinpath(&full, git_repository_workdir(_repo), "current_file"));
+
+	/* hash with full path */
+	cl_git_pass(git_odb_hashfile(&a, full.ptr, GIT_OBJ_BLOB));
+	cl_git_pass(git_repository_hashfile(&b, _repo, full.ptr, GIT_OBJ_BLOB, NULL));
+	cl_assert(git_oid_equal(&a, &b));
+
+	/* hash with invalid type */
+	cl_git_fail(git_odb_hashfile(&a, full.ptr, GIT_OBJ_ANY));
+	cl_git_fail(git_repository_hashfile(&b, _repo, full.ptr, GIT_OBJ_OFS_DELTA, NULL));
+
+	git_buf_free(&full);
+}
+
+void test_repo_hashfile__filtered(void)
+{
+	git_oid a, b;
+
+	cl_repo_set_bool(_repo, "core.autocrlf", true);
+
+	cl_git_append2file("status/.gitattributes", "*.txt text\n*.bin binary\n\n");
+
+	/* create some sample content with CRLF in it */
+	cl_git_mkfile("status/testfile.txt", "content\r\n");
+	cl_git_mkfile("status/testfile.bin", "other\r\nstuff\r\n");
+
+	/* not equal hashes because of filtering */
+	cl_git_pass(git_odb_hashfile(&a, "status/testfile.txt", GIT_OBJ_BLOB));
+	cl_git_pass(git_repository_hashfile(&b, _repo, "testfile.txt", GIT_OBJ_BLOB, NULL));
+	cl_assert(git_oid_cmp(&a, &b));
+
+	/* equal hashes because filter is binary */
+	cl_git_pass(git_odb_hashfile(&a, "status/testfile.bin", GIT_OBJ_BLOB));
+	cl_git_pass(git_repository_hashfile(&b, _repo, "testfile.bin", GIT_OBJ_BLOB, NULL));
+	cl_assert(git_oid_equal(&a, &b));
+
+	/* equal hashes when 'as_file' points to binary filtering */
+	cl_git_pass(git_odb_hashfile(&a, "status/testfile.txt", GIT_OBJ_BLOB));
+	cl_git_pass(git_repository_hashfile(&b, _repo, "testfile.txt", GIT_OBJ_BLOB, "foo.bin"));
+	cl_assert(git_oid_equal(&a, &b));
+
+	/* not equal hashes when 'as_file' points to text filtering */
+	cl_git_pass(git_odb_hashfile(&a, "status/testfile.bin", GIT_OBJ_BLOB));
+	cl_git_pass(git_repository_hashfile(&b, _repo, "testfile.bin", GIT_OBJ_BLOB, "foo.txt"));
+	cl_assert(git_oid_cmp(&a, &b));
+
+	/* equal hashes when 'as_file' is empty and turns off filtering */
+	cl_git_pass(git_odb_hashfile(&a, "status/testfile.txt", GIT_OBJ_BLOB));
+	cl_git_pass(git_repository_hashfile(&b, _repo, "testfile.txt", GIT_OBJ_BLOB, ""));
+	cl_assert(git_oid_equal(&a, &b));
+
+	cl_git_pass(git_odb_hashfile(&a, "status/testfile.bin", GIT_OBJ_BLOB));
+	cl_git_pass(git_repository_hashfile(&b, _repo, "testfile.bin", GIT_OBJ_BLOB, ""));
+	cl_assert(git_oid_equal(&a, &b));
+
+	/* some hash type failures */
+	cl_git_fail(git_odb_hashfile(&a, "status/testfile.txt", 0));
+	cl_git_fail(git_repository_hashfile(&b, _repo, "testfile.txt", GIT_OBJ_ANY, NULL));
+}
diff --git a/tests-clar/repo/head.c b/tests-clar/repo/head.c
new file mode 100644
index 000000000..a9f5cfc58
--- /dev/null
+++ b/tests-clar/repo/head.c
@@ -0,0 +1,196 @@
+#include "clar_libgit2.h"
+#include "refs.h"
+#include "repo_helpers.h"
+#include "posix.h"
+
+static git_repository *repo;
+
+void test_repo_head__initialize(void)
+{
+	repo = cl_git_sandbox_init("testrepo.git");
+}
+
+void test_repo_head__cleanup(void)
+{
+	cl_git_sandbox_cleanup();
+}
+
+void test_repo_head__head_detached(void)
+{
+	git_reference *ref;
+
+	cl_git_pass(git_repository_head_detached(repo));
+
+	cl_git_pass(git_repository_detach_head(repo));
+
+	cl_assert_equal_i(true, git_repository_head_detached(repo));
+
+	/* take the reop back to it's original state */
+	cl_git_pass(git_reference_symbolic_create(&ref, repo, "HEAD", "refs/heads/master", 1));
+	git_reference_free(ref);
+
+	cl_assert_equal_i(false, git_repository_head_detached(repo));
+}
+
+void test_repo_head__head_orphan(void)
+{
+	git_reference *ref;
+
+	cl_git_pass(git_repository_head_detached(repo));
+
+	make_head_orphaned(repo, NON_EXISTING_HEAD);
+
+	cl_assert(git_repository_head_orphan(repo) == 1);
+
+
+	/* take the repo back to it's original state */
+	cl_git_pass(git_reference_symbolic_create(&ref, repo, "HEAD", "refs/heads/master", 1));
+	cl_assert(git_repository_head_orphan(repo) == 0);
+
+	git_reference_free(ref);
+}
+
+void test_repo_head__set_head_Attaches_HEAD_to_un_unborn_branch_when_the_branch_doesnt_exist(void)
+{
+	git_reference *head;
+
+	cl_git_pass(git_repository_set_head(repo, "refs/heads/doesnt/exist/yet"));
+
+	cl_assert_equal_i(false, git_repository_head_detached(repo));
+
+	cl_assert_equal_i(GIT_EORPHANEDHEAD, git_repository_head(&head, repo));
+}
+
+void test_repo_head__set_head_Returns_ENOTFOUND_when_the_reference_doesnt_exist(void)
+{
+	cl_assert_equal_i(GIT_ENOTFOUND, git_repository_set_head(repo, "refs/tags/doesnt/exist/yet"));
+}
+
+void test_repo_head__set_head_Fails_when_the_reference_points_to_a_non_commitish(void)
+{
+	cl_git_fail(git_repository_set_head(repo, "refs/tags/point_to_blob"));
+}
+
+void test_repo_head__set_head_Attaches_HEAD_when_the_reference_points_to_a_branch(void)
+{
+	git_reference *head;
+
+	cl_git_pass(git_repository_set_head(repo, "refs/heads/br2"));
+
+	cl_assert_equal_i(false, git_repository_head_detached(repo));
+
+	cl_git_pass(git_repository_head(&head, repo));
+	cl_assert_equal_s("refs/heads/br2", git_reference_name(head));
+
+	git_reference_free(head);
+}
+
+static void assert_head_is_correctly_detached(void)
+{
+	git_reference *head;
+	git_object *commit;
+
+	cl_assert_equal_i(true, git_repository_head_detached(repo));
+
+	cl_git_pass(git_repository_head(&head, repo));
+
+	cl_git_pass(git_object_lookup(&commit, repo, git_reference_target(head), GIT_OBJ_COMMIT));
+
+	git_object_free(commit);
+	git_reference_free(head);
+}
+
+void test_repo_head__set_head_Detaches_HEAD_when_the_reference_doesnt_point_to_a_branch(void)
+{
+	cl_git_pass(git_repository_set_head(repo, "refs/tags/test"));
+
+	cl_assert_equal_i(true, git_repository_head_detached(repo));
+
+	assert_head_is_correctly_detached();
+}
+
+void test_repo_head__set_head_detached_Return_ENOTFOUND_when_the_object_doesnt_exist(void)
+{
+	git_oid oid;
+
+	cl_git_pass(git_oid_fromstr(&oid, "deadbeefdeadbeefdeadbeefdeadbeefdeadbeef"));
+
+	cl_assert_equal_i(GIT_ENOTFOUND, git_repository_set_head_detached(repo, &oid));
+}
+
+void test_repo_head__set_head_detached_Fails_when_the_object_isnt_a_commitish(void)
+{
+	git_object *blob;
+
+	cl_git_pass(git_revparse_single(&blob, repo, "point_to_blob"));
+
+	cl_git_fail(git_repository_set_head_detached(repo, git_object_id(blob)));
+
+	git_object_free(blob);
+}
+
+void test_repo_head__set_head_detached_Detaches_HEAD_and_make_it_point_to_the_peeled_commit(void)
+{
+	git_object *tag;
+
+	cl_git_pass(git_revparse_single(&tag, repo, "tags/test"));
+	cl_assert_equal_i(GIT_OBJ_TAG, git_object_type(tag));
+
+	cl_git_pass(git_repository_set_head_detached(repo, git_object_id(tag)));
+
+	assert_head_is_correctly_detached();
+
+	git_object_free(tag);
+}
+
+void test_repo_head__detach_head_Detaches_HEAD_and_make_it_point_to_the_peeled_commit(void)
+{
+	cl_assert_equal_i(false, git_repository_head_detached(repo));
+
+	cl_git_pass(git_repository_detach_head(repo));
+
+	assert_head_is_correctly_detached();
+}
+
+void test_repo_head__detach_head_Fails_if_HEAD_and_point_to_a_non_commitish(void)
+{
+	git_reference *head;
+
+	cl_git_pass(git_reference_symbolic_create(&head, repo, GIT_HEAD_FILE, "refs/tags/point_to_blob", 1));
+
+	cl_git_fail(git_repository_detach_head(repo));
+
+	git_reference_free(head);
+}
+
+void test_repo_head__detaching_an_orphaned_head_returns_GIT_EORPHANEDHEAD(void)
+{
+	make_head_orphaned(repo, NON_EXISTING_HEAD);
+
+	cl_assert_equal_i(GIT_EORPHANEDHEAD, git_repository_detach_head(repo));
+}
+
+void test_repo_head__retrieving_an_orphaned_head_returns_GIT_EORPHANEDHEAD(void)
+{
+	git_reference *head;
+
+	make_head_orphaned(repo, NON_EXISTING_HEAD);
+
+	cl_assert_equal_i(GIT_EORPHANEDHEAD, git_repository_head(&head, repo));
+}
+
+void test_repo_head__retrieving_a_missing_head_returns_GIT_ENOTFOUND(void)
+{
+	git_reference *head;
+
+	delete_head(repo);
+
+	cl_assert_equal_i(GIT_ENOTFOUND, git_repository_head(&head, repo));
+}
+
+void test_repo_head__can_tell_if_an_orphaned_head_is_detached(void)
+{
+	make_head_orphaned(repo, NON_EXISTING_HEAD);
+
+	cl_assert_equal_i(false, git_repository_head_detached(repo));
+}
diff --git a/tests-clar/repo/headtree.c b/tests-clar/repo/headtree.c
new file mode 100644
index 000000000..0e7fe93e5
--- /dev/null
+++ b/tests-clar/repo/headtree.c
@@ -0,0 +1,53 @@
+#include "clar_libgit2.h"
+#include "repository.h"
+#include "repo_helpers.h"
+#include "posix.h"
+
+static git_repository *repo;
+static git_tree *tree;
+
+void test_repo_headtree__initialize(void)
+{
+	repo = cl_git_sandbox_init("testrepo.git");
+	tree = NULL;
+}
+
+void test_repo_headtree__cleanup(void)
+{
+	git_tree_free(tree);
+	cl_git_sandbox_cleanup();
+}
+
+void test_repo_headtree__can_retrieve_the_root_tree_from_a_detached_head(void)
+{
+	cl_git_pass(git_repository_detach_head(repo));
+
+	cl_git_pass(git_repository_head_tree(&tree, repo));
+
+	cl_assert(git_oid_streq(git_tree_id(tree), "az"));
+}
+
+void test_repo_headtree__can_retrieve_the_root_tree_from_a_non_detached_head(void)
+{
+	cl_assert_equal_i(false, git_repository_head_detached(repo));
+
+	cl_git_pass(git_repository_head_tree(&tree, repo));
+
+	cl_assert(git_oid_streq(git_tree_id(tree), "az"));
+}
+
+void test_repo_headtree__when_head_is_orphaned_returns_EORPHANEDHEAD(void)
+{
+	make_head_orphaned(repo, NON_EXISTING_HEAD);
+
+	cl_assert_equal_i(true, git_repository_head_orphan(repo));
+
+	cl_assert_equal_i(GIT_EORPHANEDHEAD, git_repository_head_tree(&tree, repo));
+}
+
+void test_repo_headtree__when_head_is_missing_returns_ENOTFOUND(void)
+{
+	delete_head(repo);
+
+	cl_assert_equal_i(GIT_ENOTFOUND, git_repository_head_tree(&tree, repo));
+}
diff --git a/tests-clar/repo/init.c b/tests-clar/repo/init.c
index 7f16b5b7c..8cf73795f 100644
--- a/tests-clar/repo/init.c
+++ b/tests-clar/repo/init.c
@@ -2,13 +2,14 @@
 #include "fileops.h"
 #include "repository.h"
 #include "config.h"
+#include "path.h"
 
 enum repo_mode {
 	STANDARD_REPOSITORY = 0,
 	BARE_REPOSITORY = 1
 };
 
-static git_repository *_repo;
+static git_repository *_repo = NULL;
 
 void test_repo_init__initialize(void)
 {
@@ -18,6 +19,8 @@ void test_repo_init__initialize(void)
 static void cleanup_repository(void *path)
 {
 	git_repository_free(_repo);
+	_repo = NULL;
+
 	cl_fixture_cleanup((const char *)path);
 }
 
@@ -29,6 +32,8 @@ static void ensure_repository_init(
 {
 	const char *workdir;
 
+	cl_assert(!git_path_isdir(working_directory));
+
 	cl_git_pass(git_repository_init(&_repo, working_directory, is_bare));
 
 	workdir = git_repository_workdir(_repo);
@@ -46,7 +51,8 @@ static void ensure_repository_init(
 
 #ifdef GIT_WIN32
 	if (!is_bare) {
-		cl_assert((GetFileAttributes(git_repository_path(_repo)) & FILE_ATTRIBUTE_HIDDEN) != 0);
+		DWORD fattrs = GetFileAttributes(git_repository_path(_repo));
+		cl_assert((fattrs & FILE_ATTRIBUTE_HIDDEN) != 0);
 	}
 #endif
 
@@ -83,7 +89,7 @@ void test_repo_init__bare_repo_escaping_current_workdir(void)
 	git_buf path_current_workdir = GIT_BUF_INIT;
 
 	cl_git_pass(git_path_prettify_dir(&path_current_workdir, ".", NULL));
-	
+
 	cl_git_pass(git_buf_joinpath(&path_repository, git_buf_cstr(&path_current_workdir), "a/b/c"));
 	cl_git_pass(git_futils_mkdir_r(git_buf_cstr(&path_repository), NULL, GIT_DIR_MODE));
 
@@ -165,3 +171,362 @@ void test_repo_init__additional_templates(void)
 
 	git_buf_free(&path);
 }
+
+static void assert_config_entry_on_init_bytype(const char *config_key, int expected_value, bool is_bare)
+{
+	git_config *config;
+	int current_value;
+	git_buf repo_path = GIT_BUF_INIT;
+
+	cl_set_cleanup(&cleanup_repository, "config_entry");
+
+	cl_git_pass(git_buf_puts(&repo_path, "config_entry/test."));
+
+	if (!is_bare)
+		cl_git_pass(git_buf_puts(&repo_path, "non."));
+
+	cl_git_pass(git_buf_puts(&repo_path, "bare.git"));
+
+	cl_git_pass(git_repository_init(&_repo, git_buf_cstr(&repo_path), is_bare));
+
+	git_buf_free(&repo_path);
+
+	git_repository_config(&config, _repo);
+
+	if (expected_value >= 0) {
+		cl_git_pass(git_config_get_bool(&current_value, config, config_key));
+
+		cl_assert_equal_i(expected_value, current_value);
+	} else {
+		int error = git_config_get_bool(&current_value, config, config_key);
+
+		cl_assert_equal_i(expected_value, error);
+	}
+
+	git_config_free(config);
+}
+
+static void assert_config_entry_on_init(const char *config_key, int expected_value)
+{
+	assert_config_entry_on_init_bytype(config_key, expected_value, true);
+	git_repository_free(_repo);
+
+	assert_config_entry_on_init_bytype(config_key, expected_value, false);
+}
+
+void test_repo_init__detect_filemode(void)
+{
+#ifdef GIT_WIN32
+	assert_config_entry_on_init("core.filemode", false);
+#else
+	assert_config_entry_on_init("core.filemode", true);
+#endif
+}
+
+#define CASE_INSENSITIVE_FILESYSTEM (defined GIT_WIN32 || defined __APPLE__)
+
+void test_repo_init__detect_ignorecase(void)
+{
+#if CASE_INSENSITIVE_FILESYSTEM
+	assert_config_entry_on_init("core.ignorecase", true);
+#else
+	assert_config_entry_on_init("core.ignorecase", GIT_ENOTFOUND);
+#endif
+}
+
+void test_repo_init__reinit_doesnot_overwrite_ignorecase(void)
+{
+	git_config *config;
+	int current_value;
+
+	/* Init a new repo */
+	cl_set_cleanup(&cleanup_repository, "not.overwrite.git");
+	cl_git_pass(git_repository_init(&_repo, "not.overwrite.git", 1));
+
+	/* Change the "core.ignorecase" config value to something unlikely */
+	git_repository_config(&config, _repo);
+	git_config_set_int32(config, "core.ignorecase", 42);
+	git_config_free(config);
+	git_repository_free(_repo);
+	_repo = NULL;
+
+	/* Reinit the repository */
+	cl_git_pass(git_repository_init(&_repo, "not.overwrite.git", 1));
+	git_repository_config(&config, _repo);
+
+	/* Ensure the "core.ignorecase" config value hasn't been updated */
+	cl_git_pass(git_config_get_int32(&current_value, config, "core.ignorecase"));
+	cl_assert_equal_i(42, current_value);
+
+	git_config_free(config);
+}
+
+void test_repo_init__reinit_overwrites_filemode(void)
+{
+	git_config *config;
+	int expected, current_value;
+
+#ifdef GIT_WIN32
+	expected = false;
+#else
+	expected = true;
+#endif
+
+	/* Init a new repo */
+	cl_set_cleanup(&cleanup_repository, "overwrite.git");
+	cl_git_pass(git_repository_init(&_repo, "overwrite.git", 1));
+
+	/* Change the "core.filemode" config value to something unlikely */
+	cl_repo_set_bool(_repo, "core.filemode", !expected);
+
+	git_repository_free(_repo);
+	_repo = NULL;
+
+	/* Reinit the repository */
+	cl_git_pass(git_repository_init(&_repo, "overwrite.git", 1));
+	git_repository_config(&config, _repo);
+
+	/* Ensure the "core.filemode" config value has been reset */
+	cl_git_pass(git_config_get_bool(&current_value, config, "core.filemode"));
+	cl_assert_equal_i(expected, current_value);
+
+	git_config_free(config);
+}
+
+void test_repo_init__sets_logAllRefUpdates_according_to_type_of_repository(void)
+{
+	assert_config_entry_on_init_bytype("core.logallrefupdates", GIT_ENOTFOUND, true);
+	git_repository_free(_repo);
+	assert_config_entry_on_init_bytype("core.logallrefupdates", true, false);
+}
+
+void test_repo_init__extended_0(void)
+{
+	git_repository_init_options opts = GIT_REPOSITORY_INIT_OPTIONS_INIT;
+
+	/* without MKDIR this should fail */
+	cl_git_fail(git_repository_init_ext(&_repo, "extended", &opts));
+
+	/* make the directory first, then it should succeed */
+	cl_git_pass(git_futils_mkdir("extended", NULL, 0775, 0));
+	cl_git_pass(git_repository_init_ext(&_repo, "extended", &opts));
+
+	cl_assert(!git__suffixcmp(git_repository_workdir(_repo), "/extended/"));
+	cl_assert(!git__suffixcmp(git_repository_path(_repo), "/extended/.git/"));
+	cl_assert(!git_repository_is_bare(_repo));
+	cl_assert(git_repository_is_empty(_repo));
+
+	cleanup_repository("extended");
+}
+
+void test_repo_init__extended_1(void)
+{
+	git_reference *ref;
+	git_remote *remote;
+	struct stat st;
+	git_repository_init_options opts = GIT_REPOSITORY_INIT_OPTIONS_INIT;
+
+	opts.flags = GIT_REPOSITORY_INIT_MKPATH |
+		GIT_REPOSITORY_INIT_NO_DOTGIT_DIR;
+	opts.mode = GIT_REPOSITORY_INIT_SHARED_GROUP;
+	opts.workdir_path = "../c_wd";
+	opts.description = "Awesomest test repository evah";
+	opts.initial_head = "development";
+	opts.origin_url = "https://github.com/libgit2/libgit2.git";
+
+	cl_git_pass(git_repository_init_ext(&_repo, "root/b/c.git", &opts));
+
+	cl_assert(!git__suffixcmp(git_repository_workdir(_repo), "/c_wd/"));
+	cl_assert(!git__suffixcmp(git_repository_path(_repo), "/c.git/"));
+	cl_assert(git_path_isfile("root/b/c_wd/.git"));
+	cl_assert(!git_repository_is_bare(_repo));
+	/* repo will not be counted as empty because we set head to "development" */
+	cl_assert(!git_repository_is_empty(_repo));
+
+	cl_git_pass(git_path_lstat(git_repository_path(_repo), &st));
+	cl_assert(S_ISDIR(st.st_mode));
+	cl_assert((S_ISGID & st.st_mode) == S_ISGID);
+
+	cl_git_pass(git_reference_lookup(&ref, _repo, "HEAD"));
+	cl_assert(git_reference_type(ref) == GIT_REF_SYMBOLIC);
+	cl_assert_equal_s("refs/heads/development", git_reference_symbolic_target(ref));
+	git_reference_free(ref);
+
+	cl_git_pass(git_remote_load(&remote, _repo, "origin"));
+	cl_assert_equal_s("origin", git_remote_name(remote));
+	cl_assert_equal_s(opts.origin_url, git_remote_url(remote));
+	git_remote_free(remote);
+
+	git_repository_free(_repo);
+	cl_fixture_cleanup("root");
+}
+
+static void assert_hooks_match(
+	const char *template_dir,
+	const char *repo_dir,
+	const char *hook_path,
+	bool core_filemode)
+{
+	git_buf expected = GIT_BUF_INIT;
+	git_buf actual = GIT_BUF_INIT;
+	struct stat expected_st, st;
+
+	cl_git_pass(git_buf_joinpath(&expected, template_dir, hook_path));
+	cl_git_pass(git_path_lstat(expected.ptr, &expected_st));
+
+	cl_git_pass(git_buf_joinpath(&actual, repo_dir, hook_path));
+	cl_git_pass(git_path_lstat(actual.ptr, &st));
+
+	cl_assert(expected_st.st_size == st.st_size);
+
+	if (!core_filemode) {
+		expected_st.st_mode = expected_st.st_mode & ~0111;
+		st.st_mode = st.st_mode & ~0111;
+	}
+
+	cl_assert_equal_i((int)expected_st.st_mode, (int)st.st_mode);
+
+	git_buf_free(&expected);
+	git_buf_free(&actual);
+}
+
+static void assert_mode_seems_okay(
+	const char *base, const char *path,
+	git_filemode_t expect_mode, bool expect_setgid, bool core_filemode)
+{
+	git_buf full = GIT_BUF_INIT;
+	struct stat st;
+
+	cl_git_pass(git_buf_joinpath(&full, base, path));
+	cl_git_pass(git_path_lstat(full.ptr, &st));
+	git_buf_free(&full);
+
+	if (!core_filemode) {
+		expect_mode = expect_mode & ~0111;
+		st.st_mode = st.st_mode & ~0111;
+		expect_setgid = false;
+	}
+
+	if (S_ISGID != 0) {
+		if (expect_setgid)
+			cl_assert((st.st_mode & S_ISGID) != 0);
+		else
+			cl_assert((st.st_mode & S_ISGID) == 0);
+	}
+
+	if ((expect_mode & 0111) != 0)
+		cl_assert((st.st_mode & 0111) != 0);
+	else
+		cl_assert((st.st_mode & 0111) == 0);
+
+	cl_assert((expect_mode & 0170000) == (st.st_mode & 0170000));
+}
+
+void test_repo_init__extended_with_template(void)
+{
+	git_buf expected = GIT_BUF_INIT;
+	git_buf actual = GIT_BUF_INIT;
+	git_repository_init_options opts = GIT_REPOSITORY_INIT_OPTIONS_INIT;
+
+	cl_set_cleanup(&cleanup_repository, "templated.git");
+
+	opts.flags = GIT_REPOSITORY_INIT_MKPATH | GIT_REPOSITORY_INIT_BARE |
+		GIT_REPOSITORY_INIT_EXTERNAL_TEMPLATE;
+	opts.template_path = cl_fixture("template");
+
+	cl_git_pass(git_repository_init_ext(&_repo, "templated.git", &opts));
+
+	cl_assert(git_repository_is_bare(_repo));
+
+	cl_assert(!git__suffixcmp(git_repository_path(_repo), "/templated.git/"));
+
+	cl_git_pass(git_futils_readbuffer(
+		&expected, cl_fixture("template/description")));
+	cl_git_pass(git_futils_readbuffer(
+		&actual, "templated.git/description"));
+
+	cl_assert_equal_s(expected.ptr, actual.ptr);
+
+	git_buf_free(&expected);
+	git_buf_free(&actual);
+
+	assert_hooks_match(
+		cl_fixture("template"), git_repository_path(_repo),
+		"hooks/update.sample", true);
+
+	assert_hooks_match(
+		cl_fixture("template"), git_repository_path(_repo),
+		"hooks/link.sample", true);
+}
+
+void test_repo_init__extended_with_template_and_shared_mode(void)
+{
+	git_buf expected = GIT_BUF_INIT;
+	git_buf actual = GIT_BUF_INIT;
+	git_repository_init_options opts = GIT_REPOSITORY_INIT_OPTIONS_INIT;
+	git_config *config;
+	int filemode = true;
+	const char *repo_path = NULL;
+
+	cl_set_cleanup(&cleanup_repository, "init_shared_from_tpl");
+
+	opts.flags = GIT_REPOSITORY_INIT_MKPATH |
+		GIT_REPOSITORY_INIT_EXTERNAL_TEMPLATE;
+	opts.template_path = cl_fixture("template");
+	opts.mode = GIT_REPOSITORY_INIT_SHARED_GROUP;
+
+	cl_git_pass(git_repository_init_ext(&_repo, "init_shared_from_tpl", &opts));
+
+	cl_assert(!git_repository_is_bare(_repo));
+	cl_assert(!git__suffixcmp(git_repository_path(_repo), "/init_shared_from_tpl/.git/"));
+
+	cl_git_pass(git_repository_config(&config, _repo));
+	cl_git_pass(git_config_get_bool(&filemode, config, "core.filemode"));
+	git_config_free(config);
+
+	cl_git_pass(git_futils_readbuffer(
+		&expected, cl_fixture("template/description")));
+	cl_git_pass(git_futils_readbuffer(
+		&actual, "init_shared_from_tpl/.git/description"));
+
+	cl_assert_equal_s(expected.ptr, actual.ptr);
+
+	git_buf_free(&expected);
+	git_buf_free(&actual);
+
+	repo_path = git_repository_path(_repo);
+	assert_mode_seems_okay(repo_path, "hooks",
+		GIT_FILEMODE_TREE | GIT_REPOSITORY_INIT_SHARED_GROUP, true, filemode);
+	assert_mode_seems_okay(repo_path, "info",
+		GIT_FILEMODE_TREE | GIT_REPOSITORY_INIT_SHARED_GROUP, true, filemode);
+	assert_mode_seems_okay(repo_path, "description",
+		GIT_FILEMODE_BLOB, false, filemode);
+
+	/* for a non-symlinked hook, it should have shared permissions now */
+	assert_hooks_match(
+		cl_fixture("template"), git_repository_path(_repo),
+		"hooks/update.sample", filemode);
+
+	/* for a symlinked hook, the permissions still should match the
+	 * source link, not the GIT_REPOSITORY_INIT_SHARED_GROUP value
+	 */
+	assert_hooks_match(
+		cl_fixture("template"), git_repository_path(_repo),
+		"hooks/link.sample", filemode);
+}
+
+void test_repo_init__can_reinit_an_initialized_repository(void)
+{
+	git_repository *reinit;
+
+	cl_set_cleanup(&cleanup_repository, "extended");
+
+	cl_git_pass(git_futils_mkdir("extended", NULL, 0775, 0));
+	cl_git_pass(git_repository_init(&_repo, "extended", false));
+
+	cl_git_pass(git_repository_init(&reinit, "extended", false));
+
+	cl_assert_equal_s(git_repository_path(_repo), git_repository_path(reinit));
+
+	git_repository_free(reinit);
+}
diff --git a/tests-clar/repo/iterator.c b/tests-clar/repo/iterator.c
new file mode 100644
index 000000000..00c46d6b1
--- /dev/null
+++ b/tests-clar/repo/iterator.c
@@ -0,0 +1,810 @@
+#include "clar_libgit2.h"
+#include "iterator.h"
+#include "repository.h"
+#include "fileops.h"
+#include <stdarg.h>
+
+static git_repository *g_repo;
+
+void test_repo_iterator__initialize(void)
+{
+}
+
+void test_repo_iterator__cleanup(void)
+{
+	cl_git_sandbox_cleanup();
+	g_repo = NULL;
+}
+
+static void expect_iterator_items(
+	git_iterator *i,
+	int expected_flat,
+	const char **expected_flat_paths,
+	int expected_total,
+	const char **expected_total_paths)
+{
+	const git_index_entry *entry;
+	int count, error;
+	int no_trees = !(git_iterator_flags(i) & GIT_ITERATOR_INCLUDE_TREES);
+	bool v = false;
+
+	if (expected_flat < 0) { v = true; expected_flat = -expected_flat; }
+	if (expected_total < 0) { v = true; expected_total = -expected_total; }
+
+	count = 0;
+	cl_git_pass(git_iterator_current(&entry, i));
+
+	if (v) fprintf(stderr, "== %s ==\n", no_trees ? "notrees" : "trees");
+
+	while (entry != NULL) {
+		if (v) fprintf(stderr, "  %s %07o\n", entry->path, (int)entry->mode);
+
+		if (no_trees)
+			cl_assert(entry->mode != GIT_FILEMODE_TREE);
+
+		if (expected_flat_paths) {
+			const char *expect_path = expected_flat_paths[count];
+			size_t expect_len = strlen(expect_path);
+
+			cl_assert_equal_s(expect_path, entry->path);
+
+			if (expect_path[expect_len - 1] == '/')
+				cl_assert_equal_i(GIT_FILEMODE_TREE, entry->mode);
+			else
+				cl_assert(entry->mode != GIT_FILEMODE_TREE);
+		}
+
+		cl_git_pass(git_iterator_advance(&entry, i));
+
+		if (++count > expected_flat)
+			break;
+	}
+
+	cl_assert_equal_i(expected_flat, count);
+
+	cl_git_pass(git_iterator_reset(i, NULL, NULL));
+
+	count = 0;
+	cl_git_pass(git_iterator_current(&entry, i));
+
+	if (v) fprintf(stderr, "-- %s --\n", no_trees ? "notrees" : "trees");
+
+	while (entry != NULL) {
+		if (v) fprintf(stderr, "  %s %07o\n", entry->path, (int)entry->mode);
+
+		if (no_trees)
+			cl_assert(entry->mode != GIT_FILEMODE_TREE);
+
+		if (expected_total_paths) {
+			const char *expect_path = expected_total_paths[count];
+			size_t expect_len = strlen(expect_path);
+
+			cl_assert_equal_s(expect_path, entry->path);
+
+			if (expect_path[expect_len - 1] == '/')
+				cl_assert_equal_i(GIT_FILEMODE_TREE, entry->mode);
+			else
+				cl_assert(entry->mode != GIT_FILEMODE_TREE);
+		}
+
+		if (entry->mode == GIT_FILEMODE_TREE) {
+			error = git_iterator_advance_into(&entry, i);
+
+			/* could return NOTFOUND if directory is empty */
+			cl_assert(!error || error == GIT_ENOTFOUND);
+
+			if (error == GIT_ENOTFOUND)
+				cl_git_pass(git_iterator_advance(&entry, i));
+		} else
+			cl_git_pass(git_iterator_advance(&entry, i));
+
+		if (++count > expected_total)
+			break;
+	}
+
+	cl_assert_equal_i(expected_total, count);
+}
+
+/* Index contents (including pseudotrees):
+ *
+ * 0: a     5: F     10: k/      16: L/
+ * 1: B     6: g     11: k/1     17: L/1
+ * 2: c     7: H     12: k/a     18: L/a
+ * 3: D     8: i     13: k/B     19: L/B
+ * 4: e     9: J     14: k/c     20: L/c
+ *                   15: k/D     21: L/D
+ *
+ * 0: B     5: L/    11: a       16: k/
+ * 1: D     6: L/1   12: c       17: k/1
+ * 2: F     7: L/B   13: e       18: k/B
+ * 3: H     8: L/D   14: g       19: k/D
+ * 4: J     9: L/a   15: i       20: k/a
+ *         10: L/c               21: k/c
+ */
+
+void test_repo_iterator__index(void)
+{
+	git_iterator *i;
+	git_index *index;
+
+	g_repo = cl_git_sandbox_init("icase");
+
+	cl_git_pass(git_repository_index(&index, g_repo));
+
+	/* autoexpand with no tree entries for index */
+	cl_git_pass(git_iterator_for_index(&i, index, 0, NULL, NULL));
+	expect_iterator_items(i, 20, NULL, 20, NULL);
+	git_iterator_free(i);
+
+	/* auto expand with tree entries */
+	cl_git_pass(git_iterator_for_index(
+		&i, index, GIT_ITERATOR_INCLUDE_TREES, NULL, NULL));
+	expect_iterator_items(i, 22, NULL, 22, NULL);
+	git_iterator_free(i);
+
+	/* no auto expand (implies trees included) */
+	cl_git_pass(git_iterator_for_index(
+		&i, index, GIT_ITERATOR_DONT_AUTOEXPAND, NULL, NULL));
+	expect_iterator_items(i, 12, NULL, 22, NULL);
+	git_iterator_free(i);
+
+	git_index_free(index);
+}
+
+void test_repo_iterator__index_icase(void)
+{
+	git_iterator *i;
+	git_index *index;
+	unsigned int caps;
+
+	g_repo = cl_git_sandbox_init("icase");
+
+	cl_git_pass(git_repository_index(&index, g_repo));
+	caps = git_index_caps(index);
+
+	/* force case sensitivity */
+	cl_git_pass(git_index_set_caps(index, caps & ~GIT_INDEXCAP_IGNORE_CASE));
+
+	/* autoexpand with no tree entries over range */
+	cl_git_pass(git_iterator_for_index(&i, index, 0, "c", "k/D"));
+	expect_iterator_items(i, 7, NULL, 7, NULL);
+	git_iterator_free(i);
+
+	cl_git_pass(git_iterator_for_index(&i, index, 0, "k", "k/Z"));
+	expect_iterator_items(i, 3, NULL, 3, NULL);
+	git_iterator_free(i);
+
+	/* auto expand with tree entries */
+	cl_git_pass(git_iterator_for_index(
+		&i, index, GIT_ITERATOR_INCLUDE_TREES, "c", "k/D"));
+	expect_iterator_items(i, 8, NULL, 8, NULL);
+	git_iterator_free(i);
+	cl_git_pass(git_iterator_for_index(
+		&i, index, GIT_ITERATOR_INCLUDE_TREES, "k", "k/Z"));
+	expect_iterator_items(i, 4, NULL, 4, NULL);
+	git_iterator_free(i);
+
+	/* no auto expand (implies trees included) */
+	cl_git_pass(git_iterator_for_index(
+		&i, index, GIT_ITERATOR_DONT_AUTOEXPAND, "c", "k/D"));
+	expect_iterator_items(i, 5, NULL, 8, NULL);
+	git_iterator_free(i);
+
+	cl_git_pass(git_iterator_for_index(
+		&i, index, GIT_ITERATOR_DONT_AUTOEXPAND, "k", "k/Z"));
+	expect_iterator_items(i, 1, NULL, 4, NULL);
+	git_iterator_free(i);
+
+	/* force case insensitivity */
+	cl_git_pass(git_index_set_caps(index, caps | GIT_INDEXCAP_IGNORE_CASE));
+
+	/* autoexpand with no tree entries over range */
+	cl_git_pass(git_iterator_for_index(&i, index, 0, "c", "k/D"));
+	expect_iterator_items(i, 13, NULL, 13, NULL);
+	git_iterator_free(i);
+
+	cl_git_pass(git_iterator_for_index(&i, index, 0, "k", "k/Z"));
+	expect_iterator_items(i, 5, NULL, 5, NULL);
+	git_iterator_free(i);
+
+	/* auto expand with tree entries */
+	cl_git_pass(git_iterator_for_index(
+		&i, index, GIT_ITERATOR_INCLUDE_TREES, "c", "k/D"));
+	expect_iterator_items(i, 14, NULL, 14, NULL);
+	git_iterator_free(i);
+
+	cl_git_pass(git_iterator_for_index(
+		&i, index, GIT_ITERATOR_INCLUDE_TREES, "k", "k/Z"));
+	expect_iterator_items(i, 6, NULL, 6, NULL);
+	git_iterator_free(i);
+
+	/* no auto expand (implies trees included) */
+	cl_git_pass(git_iterator_for_index(
+		&i, index, GIT_ITERATOR_DONT_AUTOEXPAND, "c", "k/D"));
+	expect_iterator_items(i, 9, NULL, 14, NULL);
+	git_iterator_free(i);
+
+	cl_git_pass(git_iterator_for_index(
+		&i, index, GIT_ITERATOR_DONT_AUTOEXPAND, "k", "k/Z"));
+	expect_iterator_items(i, 1, NULL, 6, NULL);
+	git_iterator_free(i);
+
+	cl_git_pass(git_index_set_caps(index, caps));
+	git_index_free(index);
+}
+
+void test_repo_iterator__tree(void)
+{
+	git_iterator *i;
+	git_tree *head;
+
+	g_repo = cl_git_sandbox_init("icase");
+
+	cl_git_pass(git_repository_head_tree(&head, g_repo));
+
+	/* auto expand with no tree entries */
+	cl_git_pass(git_iterator_for_tree(&i, head, 0, NULL, NULL));
+	expect_iterator_items(i, 20, NULL, 20, NULL);
+	git_iterator_free(i);
+
+	/* auto expand with tree entries */
+	cl_git_pass(git_iterator_for_tree(
+		&i, head, GIT_ITERATOR_INCLUDE_TREES, NULL, NULL));
+	expect_iterator_items(i, 22, NULL, 22, NULL);
+	git_iterator_free(i);
+
+	/* no auto expand (implies trees included) */
+	cl_git_pass(git_iterator_for_tree(
+		&i, head, GIT_ITERATOR_DONT_AUTOEXPAND, NULL, NULL));
+	expect_iterator_items(i, 12, NULL, 22, NULL);
+	git_iterator_free(i);
+
+	git_tree_free(head);
+}
+
+void test_repo_iterator__tree_icase(void)
+{
+	git_iterator *i;
+	git_tree *head;
+	git_iterator_flag_t flag;
+
+	g_repo = cl_git_sandbox_init("icase");
+
+	cl_git_pass(git_repository_head_tree(&head, g_repo));
+
+	flag = GIT_ITERATOR_DONT_IGNORE_CASE;
+
+	/* auto expand with no tree entries */
+	cl_git_pass(git_iterator_for_tree(&i, head, flag, "c", "k/D"));
+	expect_iterator_items(i, 7, NULL, 7, NULL);
+	git_iterator_free(i);
+
+	cl_git_pass(git_iterator_for_tree(&i, head, flag, "k", "k/Z"));
+	expect_iterator_items(i, 3, NULL, 3, NULL);
+	git_iterator_free(i);
+
+	/* auto expand with tree entries */
+	cl_git_pass(git_iterator_for_tree(
+		&i, head, flag | GIT_ITERATOR_INCLUDE_TREES, "c", "k/D"));
+	expect_iterator_items(i, 8, NULL, 8, NULL);
+	git_iterator_free(i);
+
+	cl_git_pass(git_iterator_for_tree(
+		&i, head, flag | GIT_ITERATOR_INCLUDE_TREES, "k", "k/Z"));
+	expect_iterator_items(i, 4, NULL, 4, NULL);
+	git_iterator_free(i);
+
+	/* no auto expand (implies trees included) */
+	cl_git_pass(git_iterator_for_tree(
+		&i, head, flag | GIT_ITERATOR_DONT_AUTOEXPAND, "c", "k/D"));
+	expect_iterator_items(i, 5, NULL, 8, NULL);
+	git_iterator_free(i);
+
+	cl_git_pass(git_iterator_for_tree(
+		&i, head, flag | GIT_ITERATOR_DONT_AUTOEXPAND, "k", "k/Z"));
+	expect_iterator_items(i, 1, NULL, 4, NULL);
+	git_iterator_free(i);
+
+	flag = GIT_ITERATOR_IGNORE_CASE;
+
+	/* auto expand with no tree entries */
+	cl_git_pass(git_iterator_for_tree(&i, head, flag, "c", "k/D"));
+	expect_iterator_items(i, 13, NULL, 13, NULL);
+	git_iterator_free(i);
+
+	cl_git_pass(git_iterator_for_tree(&i, head, flag, "k", "k/Z"));
+	expect_iterator_items(i, 5, NULL, 5, NULL);
+	git_iterator_free(i);
+
+	/* auto expand with tree entries */
+	cl_git_pass(git_iterator_for_tree(
+		&i, head, flag | GIT_ITERATOR_INCLUDE_TREES, "c", "k/D"));
+	expect_iterator_items(i, 14, NULL, 14, NULL);
+	git_iterator_free(i);
+
+	cl_git_pass(git_iterator_for_tree(
+		&i, head, flag | GIT_ITERATOR_INCLUDE_TREES, "k", "k/Z"));
+	expect_iterator_items(i, 6, NULL, 6, NULL);
+	git_iterator_free(i);
+
+	/* no auto expand (implies trees included) */
+	cl_git_pass(git_iterator_for_tree(
+		&i, head, flag | GIT_ITERATOR_DONT_AUTOEXPAND, "c", "k/D"));
+	expect_iterator_items(i, 9, NULL, 14, NULL);
+	git_iterator_free(i);
+
+	cl_git_pass(git_iterator_for_tree(
+		&i, head, flag | GIT_ITERATOR_DONT_AUTOEXPAND, "k", "k/Z"));
+	expect_iterator_items(i, 1, NULL, 6, NULL);
+	git_iterator_free(i);
+
+	git_tree_free(head);
+}
+
+void test_repo_iterator__tree_more(void)
+{
+	git_iterator *i;
+	git_tree *head;
+	static const char *expect_basic[] = {
+		"current_file",
+		"file_deleted",
+		"modified_file",
+		"staged_changes",
+		"staged_changes_file_deleted",
+		"staged_changes_modified_file",
+		"staged_delete_file_deleted",
+		"staged_delete_modified_file",
+		"subdir.txt",
+		"subdir/current_file",
+		"subdir/deleted_file",
+		"subdir/modified_file",
+		NULL,
+	};
+	static const char *expect_trees[] = {
+		"current_file",
+		"file_deleted",
+		"modified_file",
+		"staged_changes",
+		"staged_changes_file_deleted",
+		"staged_changes_modified_file",
+		"staged_delete_file_deleted",
+		"staged_delete_modified_file",
+		"subdir.txt",
+		"subdir/",
+		"subdir/current_file",
+		"subdir/deleted_file",
+		"subdir/modified_file",
+		NULL,
+	};
+	static const char *expect_noauto[] = {
+		"current_file",
+		"file_deleted",
+		"modified_file",
+		"staged_changes",
+		"staged_changes_file_deleted",
+		"staged_changes_modified_file",
+		"staged_delete_file_deleted",
+		"staged_delete_modified_file",
+		"subdir.txt",
+		"subdir/",
+		NULL
+	};
+
+	g_repo = cl_git_sandbox_init("status");
+
+	cl_git_pass(git_repository_head_tree(&head, g_repo));
+
+	/* auto expand with no tree entries */
+	cl_git_pass(git_iterator_for_tree(&i, head, 0, NULL, NULL));
+	expect_iterator_items(i, 12, expect_basic, 12, expect_basic);
+	git_iterator_free(i);
+
+	/* auto expand with tree entries */
+	cl_git_pass(git_iterator_for_tree(
+		&i, head, GIT_ITERATOR_INCLUDE_TREES, NULL, NULL));
+	expect_iterator_items(i, 13, expect_trees, 13, expect_trees);
+	git_iterator_free(i);
+
+	/* no auto expand (implies trees included) */
+	cl_git_pass(git_iterator_for_tree(
+		&i, head, GIT_ITERATOR_DONT_AUTOEXPAND, NULL, NULL));
+	expect_iterator_items(i, 10, expect_noauto, 13, expect_trees);
+	git_iterator_free(i);
+
+	git_tree_free(head);
+}
+
+/* "b=name,t=name", blob_id, tree_id */
+static void build_test_tree(
+	git_oid *out, git_repository *repo, const char *fmt, ...)
+{
+	git_oid *id;
+	git_treebuilder *builder;
+	const char *scan = fmt, *next;
+	char type, delimiter;
+	git_filemode_t mode;
+	git_buf name = GIT_BUF_INIT;
+	va_list arglist;
+
+	cl_git_pass(git_treebuilder_create(&builder, NULL)); /* start builder */
+
+	va_start(arglist, fmt);
+	while (*scan) {
+		switch (type = *scan++) {
+		case 't': case 'T': mode = GIT_FILEMODE_TREE; break;
+		case 'b': case 'B': mode = GIT_FILEMODE_BLOB; break;
+		default:
+			cl_assert(type == 't' || type == 'T' || type == 'b' || type == 'B');
+		}
+
+		delimiter = *scan++; /* read and skip delimiter */
+		for (next = scan; *next && *next != delimiter; ++next)
+			/* seek end */;
+		cl_git_pass(git_buf_set(&name, scan, (size_t)(next - scan)));
+		for (scan = next; *scan && (*scan == delimiter || *scan == ','); ++scan)
+			/* skip delimiter and optional comma */;
+
+		id = va_arg(arglist, git_oid *);
+
+		cl_git_pass(git_treebuilder_insert(NULL, builder, name.ptr, id, mode));
+	}
+	va_end(arglist);
+
+	cl_git_pass(git_treebuilder_write(out, repo, builder));
+
+	git_treebuilder_free(builder);
+	git_buf_free(&name);
+}
+
+void test_repo_iterator__tree_case_conflicts_0(void)
+{
+	const char *blob_sha = "d44e18fb93b7107b5cd1b95d601591d77869a1b6";
+	git_tree *tree;
+	git_oid blob_id, biga_id, littlea_id, tree_id;
+	git_iterator *i;
+	const char *expect_cs[] = {
+		"A/1.file", "A/3.file", "a/2.file", "a/4.file" };
+	const char *expect_ci[] = {
+		"A/1.file", "a/2.file", "A/3.file", "a/4.file" };
+	const char *expect_cs_trees[] = {
+		"A/", "A/1.file", "A/3.file", "a/", "a/2.file", "a/4.file" };
+	const char *expect_ci_trees[] = {
+		"A/", "A/1.file", "a/2.file", "A/3.file", "a/4.file" };
+
+	g_repo = cl_git_sandbox_init("icase");
+
+	cl_git_pass(git_oid_fromstr(&blob_id, blob_sha)); /* lookup blob */
+
+	/* create tree with: A/1.file, A/3.file, a/2.file, a/4.file */
+	build_test_tree(
+		&biga_id, g_repo, "b|1.file|,b|3.file|", &blob_id, &blob_id);
+	build_test_tree(
+		&littlea_id, g_repo, "b|2.file|,b|4.file|", &blob_id, &blob_id);
+	build_test_tree(
+		&tree_id, g_repo, "t|A|,t|a|", &biga_id, &littlea_id);
+
+	cl_git_pass(git_tree_lookup(&tree, g_repo, &tree_id));
+
+	cl_git_pass(git_iterator_for_tree(
+		&i, tree, GIT_ITERATOR_DONT_IGNORE_CASE, NULL, NULL));
+	expect_iterator_items(i, 4, expect_cs, 4, expect_cs);
+	git_iterator_free(i);
+
+	cl_git_pass(git_iterator_for_tree(
+		&i, tree, GIT_ITERATOR_IGNORE_CASE, NULL, NULL));
+	expect_iterator_items(i, 4, expect_ci, 4, expect_ci);
+	git_iterator_free(i);
+
+	cl_git_pass(git_iterator_for_tree(
+		&i, tree, GIT_ITERATOR_DONT_IGNORE_CASE |
+		GIT_ITERATOR_INCLUDE_TREES, NULL, NULL));
+	expect_iterator_items(i, 6, expect_cs_trees, 6, expect_cs_trees);
+	git_iterator_free(i);
+
+	cl_git_pass(git_iterator_for_tree(
+		&i, tree, GIT_ITERATOR_IGNORE_CASE |
+		GIT_ITERATOR_INCLUDE_TREES, NULL, NULL));
+	expect_iterator_items(i, 5, expect_ci_trees, 5, expect_ci_trees);
+	git_iterator_free(i);
+
+	git_tree_free(tree);
+}
+
+void test_repo_iterator__tree_case_conflicts_1(void)
+{
+	const char *blob_sha = "d44e18fb93b7107b5cd1b95d601591d77869a1b6";
+	git_tree *tree;
+	git_oid blob_id, Ab_id, biga_id, littlea_id, tree_id;
+	git_iterator *i;
+	const char *expect_cs[] = {
+		"A/a", "A/b/1", "A/c", "a/C", "a/a", "a/b" };
+	const char *expect_ci[] = {
+		"A/a", "a/b", "A/b/1", "A/c" };
+	const char *expect_cs_trees[] = {
+		"A/", "A/a", "A/b/", "A/b/1", "A/c", "a/", "a/C", "a/a", "a/b" };
+	const char *expect_ci_trees[] = {
+		"A/", "A/a", "a/b", "A/b/", "A/b/1", "A/c" };
+
+	g_repo = cl_git_sandbox_init("icase");
+
+	cl_git_pass(git_oid_fromstr(&blob_id, blob_sha)); /* lookup blob */
+
+	/* create: A/a A/b/1 A/c a/a a/b a/C */
+	build_test_tree(&Ab_id, g_repo, "b|1|", &blob_id);
+	build_test_tree(
+		&biga_id, g_repo, "b|a|,t|b|,b|c|", &blob_id, &Ab_id, &blob_id);
+	build_test_tree(
+		&littlea_id, g_repo, "b|a|,b|b|,b|C|", &blob_id, &blob_id, &blob_id);
+	build_test_tree(
+		&tree_id, g_repo, "t|A|,t|a|", &biga_id, &littlea_id);
+
+	cl_git_pass(git_tree_lookup(&tree, g_repo, &tree_id));
+
+	cl_git_pass(git_iterator_for_tree(
+		&i, tree, GIT_ITERATOR_DONT_IGNORE_CASE, NULL, NULL));
+	expect_iterator_items(i, 6, expect_cs, 6, expect_cs);
+	git_iterator_free(i);
+
+	cl_git_pass(git_iterator_for_tree(
+		&i, tree, GIT_ITERATOR_IGNORE_CASE, NULL, NULL));
+	expect_iterator_items(i, 4, expect_ci, 4, expect_ci);
+	git_iterator_free(i);
+
+	cl_git_pass(git_iterator_for_tree(
+		&i, tree, GIT_ITERATOR_DONT_IGNORE_CASE |
+		GIT_ITERATOR_INCLUDE_TREES, NULL, NULL));
+	expect_iterator_items(i, 9, expect_cs_trees, 9, expect_cs_trees);
+	git_iterator_free(i);
+
+	cl_git_pass(git_iterator_for_tree(
+		&i, tree, GIT_ITERATOR_IGNORE_CASE |
+		GIT_ITERATOR_INCLUDE_TREES, NULL, NULL));
+	expect_iterator_items(i, 6, expect_ci_trees, 6, expect_ci_trees);
+	git_iterator_free(i);
+
+	git_tree_free(tree);
+}
+
+void test_repo_iterator__tree_case_conflicts_2(void)
+{
+	const char *blob_sha = "d44e18fb93b7107b5cd1b95d601591d77869a1b6";
+	git_tree *tree;
+	git_oid blob_id, d1, d2, c1, c2, b1, b2, a1, a2, tree_id;
+	git_iterator *i;
+	const char *expect_cs[] = {
+		"A/B/C/D/16", "A/B/C/D/foo", "A/B/C/d/15",  "A/B/C/d/FOO",
+		"A/B/c/D/14", "A/B/c/D/foo", "A/B/c/d/13",  "A/B/c/d/FOO",
+		"A/b/C/D/12", "A/b/C/D/foo", "A/b/C/d/11",  "A/b/C/d/FOO",
+		"A/b/c/D/10", "A/b/c/D/foo", "A/b/c/d/09",  "A/b/c/d/FOO",
+		"a/B/C/D/08", "a/B/C/D/foo", "a/B/C/d/07", "a/B/C/d/FOO",
+		"a/B/c/D/06", "a/B/c/D/foo", "a/B/c/d/05", "a/B/c/d/FOO",
+		"a/b/C/D/04", "a/b/C/D/foo", "a/b/C/d/03", "a/b/C/d/FOO",
+		"a/b/c/D/02", "a/b/c/D/foo", "a/b/c/d/01", "a/b/c/d/FOO", };
+	const char *expect_ci[] = {
+		"a/b/c/d/01", "a/b/c/D/02", "a/b/C/d/03", "a/b/C/D/04",
+		"a/B/c/d/05", "a/B/c/D/06", "a/B/C/d/07", "a/B/C/D/08",
+		"A/b/c/d/09", "A/b/c/D/10", "A/b/C/d/11", "A/b/C/D/12",
+		"A/B/c/d/13", "A/B/c/D/14", "A/B/C/d/15", "A/B/C/D/16",
+		"A/B/C/D/foo", };
+	const char *expect_ci_trees[] = {
+		"A/", "A/B/", "A/B/C/", "A/B/C/D/",
+		"a/b/c/d/01", "a/b/c/D/02", "a/b/C/d/03", "a/b/C/D/04",
+		"a/B/c/d/05", "a/B/c/D/06", "a/B/C/d/07", "a/B/C/D/08",
+		"A/b/c/d/09", "A/b/c/D/10", "A/b/C/d/11", "A/b/C/D/12",
+		"A/B/c/d/13", "A/B/c/D/14", "A/B/C/d/15", "A/B/C/D/16",
+		"A/B/C/D/foo", };
+
+	g_repo = cl_git_sandbox_init("icase");
+
+	cl_git_pass(git_oid_fromstr(&blob_id, blob_sha)); /* lookup blob */
+
+	build_test_tree(&d1, g_repo, "b|16|,b|foo|", &blob_id, &blob_id);
+	build_test_tree(&d2, g_repo, "b|15|,b|FOO|", &blob_id, &blob_id);
+	build_test_tree(&c1, g_repo, "t|D|,t|d|", &d1, &d2);
+	build_test_tree(&d1, g_repo, "b|14|,b|foo|", &blob_id, &blob_id);
+	build_test_tree(&d2, g_repo, "b|13|,b|FOO|", &blob_id, &blob_id);
+	build_test_tree(&c2, g_repo, "t|D|,t|d|", &d1, &d2);
+	build_test_tree(&b1, g_repo, "t|C|,t|c|", &c1, &c2);
+
+	build_test_tree(&d1, g_repo, "b|12|,b|foo|", &blob_id, &blob_id);
+	build_test_tree(&d2, g_repo, "b|11|,b|FOO|", &blob_id, &blob_id);
+	build_test_tree(&c1, g_repo, "t|D|,t|d|", &d1, &d2);
+	build_test_tree(&d1, g_repo, "b|10|,b|foo|", &blob_id, &blob_id);
+	build_test_tree(&d2, g_repo, "b|09|,b|FOO|", &blob_id, &blob_id);
+	build_test_tree(&c2, g_repo, "t|D|,t|d|", &d1, &d2);
+	build_test_tree(&b2, g_repo, "t|C|,t|c|", &c1, &c2);
+
+	build_test_tree(&a1, g_repo, "t|B|,t|b|", &b1, &b2);
+
+	build_test_tree(&d1, g_repo, "b|08|,b|foo|", &blob_id, &blob_id);
+	build_test_tree(&d2, g_repo, "b|07|,b|FOO|", &blob_id, &blob_id);
+	build_test_tree(&c1, g_repo, "t|D|,t|d|", &d1, &d2);
+	build_test_tree(&d1, g_repo, "b|06|,b|foo|", &blob_id, &blob_id);
+	build_test_tree(&d2, g_repo, "b|05|,b|FOO|", &blob_id, &blob_id);
+	build_test_tree(&c2, g_repo, "t|D|,t|d|", &d1, &d2);
+	build_test_tree(&b1, g_repo, "t|C|,t|c|", &c1, &c2);
+
+	build_test_tree(&d1, g_repo, "b|04|,b|foo|", &blob_id, &blob_id);
+	build_test_tree(&d2, g_repo, "b|03|,b|FOO|", &blob_id, &blob_id);
+	build_test_tree(&c1, g_repo, "t|D|,t|d|", &d1, &d2);
+	build_test_tree(&d1, g_repo, "b|02|,b|foo|", &blob_id, &blob_id);
+	build_test_tree(&d2, g_repo, "b|01|,b|FOO|", &blob_id, &blob_id);
+	build_test_tree(&c2, g_repo, "t|D|,t|d|", &d1, &d2);
+	build_test_tree(&b2, g_repo, "t|C|,t|c|", &c1, &c2);
+
+	build_test_tree(&a2, g_repo, "t|B|,t|b|", &b1, &b2);
+
+	build_test_tree(&tree_id, g_repo, "t/A/,t/a/", &a1, &a2);
+
+	cl_git_pass(git_tree_lookup(&tree, g_repo, &tree_id));
+
+	cl_git_pass(git_iterator_for_tree(
+		&i, tree, GIT_ITERATOR_DONT_IGNORE_CASE, NULL, NULL));
+	expect_iterator_items(i, 32, expect_cs, 32, expect_cs);
+	git_iterator_free(i);
+
+	cl_git_pass(git_iterator_for_tree(
+		&i, tree, GIT_ITERATOR_IGNORE_CASE, NULL, NULL));
+	expect_iterator_items(i, 17, expect_ci, 17, expect_ci);
+	git_iterator_free(i);
+
+	cl_git_pass(git_iterator_for_tree(
+		&i, tree, GIT_ITERATOR_IGNORE_CASE |
+		GIT_ITERATOR_INCLUDE_TREES, NULL, NULL));
+	expect_iterator_items(i, 21, expect_ci_trees, 21, expect_ci_trees);
+	git_iterator_free(i);
+
+	git_tree_free(tree);
+}
+
+void test_repo_iterator__workdir(void)
+{
+	git_iterator *i;
+
+	g_repo = cl_git_sandbox_init("icase");
+
+	/* auto expand with no tree entries */
+	cl_git_pass(git_iterator_for_workdir(&i, g_repo, 0, NULL, NULL));
+	expect_iterator_items(i, 20, NULL, 20, NULL);
+	git_iterator_free(i);
+
+	/* auto expand with tree entries */
+	cl_git_pass(git_iterator_for_workdir(
+		&i, g_repo, GIT_ITERATOR_INCLUDE_TREES, NULL, NULL));
+	expect_iterator_items(i, 22, NULL, 22, NULL);
+	git_iterator_free(i);
+
+	/* no auto expand (implies trees included) */
+	cl_git_pass(git_iterator_for_workdir(
+		&i, g_repo, GIT_ITERATOR_DONT_AUTOEXPAND, NULL, NULL));
+	expect_iterator_items(i, 12, NULL, 22, NULL);
+	git_iterator_free(i);
+}
+
+void test_repo_iterator__workdir_icase(void)
+{
+	git_iterator *i;
+	git_iterator_flag_t flag;
+
+	g_repo = cl_git_sandbox_init("icase");
+
+	flag = GIT_ITERATOR_DONT_IGNORE_CASE;
+
+	/* auto expand with no tree entries */
+	cl_git_pass(git_iterator_for_workdir(&i, g_repo, flag, "c", "k/D"));
+	expect_iterator_items(i, 7, NULL, 7, NULL);
+	git_iterator_free(i);
+
+	cl_git_pass(git_iterator_for_workdir(&i, g_repo, flag, "k", "k/Z"));
+	expect_iterator_items(i, 3, NULL, 3, NULL);
+	git_iterator_free(i);
+
+	/* auto expand with tree entries */
+	cl_git_pass(git_iterator_for_workdir(
+		&i, g_repo, flag | GIT_ITERATOR_INCLUDE_TREES, "c", "k/D"));
+	expect_iterator_items(i, 8, NULL, 8, NULL);
+	git_iterator_free(i);
+
+	cl_git_pass(git_iterator_for_workdir(
+		&i, g_repo, flag | GIT_ITERATOR_INCLUDE_TREES, "k", "k/Z"));
+	expect_iterator_items(i, 4, NULL, 4, NULL);
+	git_iterator_free(i);
+
+	/* no auto expand (implies trees included) */
+	cl_git_pass(git_iterator_for_workdir(
+		&i, g_repo, flag | GIT_ITERATOR_DONT_AUTOEXPAND, "c", "k/D"));
+	expect_iterator_items(i, 5, NULL, 8, NULL);
+	git_iterator_free(i);
+
+	cl_git_pass(git_iterator_for_workdir(
+		&i, g_repo, flag | GIT_ITERATOR_DONT_AUTOEXPAND, "k", "k/Z"));
+	expect_iterator_items(i, 1, NULL, 4, NULL);
+	git_iterator_free(i);
+
+	flag = GIT_ITERATOR_IGNORE_CASE;
+
+	/* auto expand with no tree entries */
+	cl_git_pass(git_iterator_for_workdir(&i, g_repo, flag, "c", "k/D"));
+	expect_iterator_items(i, 13, NULL, 13, NULL);
+	git_iterator_free(i);
+
+	cl_git_pass(git_iterator_for_workdir(&i, g_repo, flag, "k", "k/Z"));
+	expect_iterator_items(i, 5, NULL, 5, NULL);
+	git_iterator_free(i);
+
+	/* auto expand with tree entries */
+	cl_git_pass(git_iterator_for_workdir(
+		&i, g_repo, flag | GIT_ITERATOR_INCLUDE_TREES, "c", "k/D"));
+	expect_iterator_items(i, 14, NULL, 14, NULL);
+	git_iterator_free(i);
+
+	cl_git_pass(git_iterator_for_workdir(
+		&i, g_repo, flag | GIT_ITERATOR_INCLUDE_TREES, "k", "k/Z"));
+	expect_iterator_items(i, 6, NULL, 6, NULL);
+	git_iterator_free(i);
+
+	/* no auto expand (implies trees included) */
+	cl_git_pass(git_iterator_for_workdir(
+		&i, g_repo, flag | GIT_ITERATOR_DONT_AUTOEXPAND, "c", "k/D"));
+	expect_iterator_items(i, 9, NULL, 14, NULL);
+	git_iterator_free(i);
+
+	cl_git_pass(git_iterator_for_workdir(
+		&i, g_repo, flag | GIT_ITERATOR_DONT_AUTOEXPAND, "k", "k/Z"));
+	expect_iterator_items(i, 1, NULL, 6, NULL);
+	git_iterator_free(i);
+}
+
+void test_repo_iterator__workdir_depth(void)
+{
+	int i, j;
+	git_iterator *iter;
+	char buf[64];
+
+	g_repo = cl_git_sandbox_init("icase");
+
+	for (i = 0; i < 10; ++i) {
+		p_snprintf(buf, sizeof(buf), "icase/dir%02d", i);
+		cl_git_pass(git_futils_mkdir(buf, NULL, 0775, GIT_MKDIR_PATH));
+
+		if (i % 2 == 0) {
+			p_snprintf(buf, sizeof(buf), "icase/dir%02d/file", i);
+			cl_git_mkfile(buf, buf);
+		}
+
+		for (j = 0; j < 10; ++j) {
+			p_snprintf(buf, sizeof(buf), "icase/dir%02d/sub%02d", i, j);
+			cl_git_pass(git_futils_mkdir(buf, NULL, 0775, GIT_MKDIR_PATH));
+
+			if (j % 2 == 0) {
+				p_snprintf(
+					buf, sizeof(buf), "icase/dir%02d/sub%02d/file", i, j);
+				cl_git_mkfile(buf, buf);
+			}
+		}
+	}
+
+	for (i = 1; i < 3; ++i) {
+		for (j = 0; j < 50; ++j) {
+			p_snprintf(buf, sizeof(buf), "icase/dir%02d/sub01/moar%02d", i, j);
+			cl_git_pass(git_futils_mkdir(buf, NULL, 0775, GIT_MKDIR_PATH));
+
+			if (j % 2 == 0) {
+				p_snprintf(buf, sizeof(buf),
+					"icase/dir%02d/sub01/moar%02d/file", i, j);
+				cl_git_mkfile(buf, buf);
+			}
+		}
+	}
+
+	/* auto expand with no tree entries */
+	cl_git_pass(git_iterator_for_workdir(&iter, g_repo, 0, NULL, NULL));
+	expect_iterator_items(iter, 125, NULL, 125, NULL);
+	git_iterator_free(iter);
+
+	/* auto expand with tree entries (empty dirs silently skipped) */
+	cl_git_pass(git_iterator_for_workdir(
+		&iter, g_repo, GIT_ITERATOR_INCLUDE_TREES, NULL, NULL));
+	expect_iterator_items(iter, 337, NULL, 337, NULL);
+	git_iterator_free(iter);
+}
diff --git a/tests-clar/repo/message.c b/tests-clar/repo/message.c
new file mode 100644
index 000000000..59487d51b
--- /dev/null
+++ b/tests-clar/repo/message.c
@@ -0,0 +1,47 @@
+#include "clar_libgit2.h"
+#include "buffer.h"
+#include "refs.h"
+#include "posix.h"
+
+static git_repository *_repo;
+static git_buf _path;
+static char *_actual;
+
+void test_repo_message__initialize(void)
+{
+        _repo = cl_git_sandbox_init("testrepo.git");
+}
+
+void test_repo_message__cleanup(void)
+{
+        cl_git_sandbox_cleanup();
+	git_buf_free(&_path);
+	git__free(_actual);
+	_actual = NULL;
+}
+
+void test_repo_message__none(void)
+{
+	cl_assert_equal_i(GIT_ENOTFOUND, git_repository_message(NULL, 0, _repo));
+}
+
+void test_repo_message__message(void)
+{
+	const char expected[] = "Test\n\nThis is a test of the emergency broadcast system\n";
+	ssize_t len;
+
+	cl_git_pass(git_buf_joinpath(&_path, git_repository_path(_repo), "MERGE_MSG"));
+	cl_git_mkfile(git_buf_cstr(&_path), expected);
+
+	len = git_repository_message(NULL, 0, _repo);
+	cl_assert(len > 0);
+	_actual = git__malloc(len + 1);
+	cl_assert(_actual != NULL);
+
+	cl_assert(git_repository_message(_actual, len, _repo) > 0);
+	_actual[len] = '\0';
+	cl_assert_equal_s(expected, _actual);
+
+	cl_git_pass(p_unlink(git_buf_cstr(&_path)));
+	cl_assert_equal_i(GIT_ENOTFOUND, git_repository_message(NULL, 0, _repo));
+}
diff --git a/tests-clar/repo/open.c b/tests-clar/repo/open.c
index c70ec83a9..7f93ae91a 100644
--- a/tests-clar/repo/open.c
+++ b/tests-clar/repo/open.c
@@ -7,7 +7,7 @@ void test_repo_open__cleanup(void)
 	cl_git_sandbox_cleanup();
 
 	if (git_path_isdir("alternate"))
-		git_futils_rmdir_r("alternate", GIT_DIRREMOVAL_FILES_AND_DIRS);
+		git_futils_rmdir_r("alternate", NULL, GIT_RMDIR_REMOVE_FILES);
 }
 
 void test_repo_open__bare_empty_repo(void)
@@ -202,8 +202,8 @@ void test_repo_open__bad_gitlinks(void)
 		cl_git_fail(git_repository_open_ext(&repo, "alternate", 0, NULL));
 	}
 
-	git_futils_rmdir_r("invalid", GIT_DIRREMOVAL_FILES_AND_DIRS);
-	git_futils_rmdir_r("invalid2", GIT_DIRREMOVAL_FILES_AND_DIRS);
+	git_futils_rmdir_r("invalid", NULL, GIT_RMDIR_REMOVE_FILES);
+	git_futils_rmdir_r("invalid2", NULL, GIT_RMDIR_REMOVE_FILES);
 }
 
 #ifdef GIT_WIN32
diff --git a/tests-clar/repo/repo_helpers.c b/tests-clar/repo/repo_helpers.c
new file mode 100644
index 000000000..74902e439
--- /dev/null
+++ b/tests-clar/repo/repo_helpers.c
@@ -0,0 +1,22 @@
+#include "clar_libgit2.h"
+#include "refs.h"
+#include "repo_helpers.h"
+#include "posix.h"
+
+void make_head_orphaned(git_repository* repo, const char *target)
+{
+	git_reference *head;
+
+	cl_git_pass(git_reference_symbolic_create(&head, repo, GIT_HEAD_FILE, target, 1));
+	git_reference_free(head);
+}
+
+void delete_head(git_repository* repo)
+{
+	git_buf head_path = GIT_BUF_INIT;
+
+	cl_git_pass(git_buf_joinpath(&head_path, git_repository_path(repo), GIT_HEAD_FILE));
+	cl_git_pass(p_unlink(git_buf_cstr(&head_path)));
+
+	git_buf_free(&head_path);
+}
diff --git a/tests-clar/repo/repo_helpers.h b/tests-clar/repo/repo_helpers.h
new file mode 100644
index 000000000..09b5cac84
--- /dev/null
+++ b/tests-clar/repo/repo_helpers.h
@@ -0,0 +1,6 @@
+#include "common.h"
+
+#define NON_EXISTING_HEAD "refs/heads/hide/and/seek"
+
+extern void make_head_orphaned(git_repository* repo, const char *target);
+extern void delete_head(git_repository* repo);
diff --git a/tests-clar/repo/setters.c b/tests-clar/repo/setters.c
index 6242d8541..7e482dee1 100644
--- a/tests-clar/repo/setters.c
+++ b/tests-clar/repo/setters.c
@@ -2,6 +2,8 @@
 #include "buffer.h"
 #include "posix.h"
 #include "util.h"
+#include "path.h"
+#include "fileops.h"
 
 static git_repository *repo;
 
@@ -15,8 +17,10 @@ void test_repo_setters__initialize(void)
 void test_repo_setters__cleanup(void)
 {
 	git_repository_free(repo);
+	repo = NULL;
+
 	cl_fixture_cleanup("testrepo.git");
-	cl_must_pass(p_rmdir("new_workdir"));
+	cl_fixture_cleanup("new_workdir");
 }
 
 void test_repo_setters__setting_a_workdir_turns_a_bare_repository_into_a_standard_one(void)
@@ -24,7 +28,7 @@ void test_repo_setters__setting_a_workdir_turns_a_bare_repository_into_a_standar
 	cl_assert(git_repository_is_bare(repo) == 1);
 
 	cl_assert(git_repository_workdir(repo) == NULL);
-	cl_git_pass(git_repository_set_workdir(repo, "./new_workdir"));
+	cl_git_pass(git_repository_set_workdir(repo, "./new_workdir", false));
 
 	cl_assert(git_repository_workdir(repo) != NULL);
 	cl_assert(git_repository_is_bare(repo) == 0);
@@ -32,9 +36,30 @@ void test_repo_setters__setting_a_workdir_turns_a_bare_repository_into_a_standar
 
 void test_repo_setters__setting_a_workdir_prettifies_its_path(void)
 {
-	cl_git_pass(git_repository_set_workdir(repo, "./new_workdir"));
+	cl_git_pass(git_repository_set_workdir(repo, "./new_workdir", false));
+
+	cl_assert(git__suffixcmp(git_repository_workdir(repo), "new_workdir/") == 0);
+}
+
+void test_repo_setters__setting_a_workdir_creates_a_gitlink(void)
+{
+	git_config *cfg;
+	const char *val;
+	git_buf content = GIT_BUF_INIT;
+
+	cl_git_pass(git_repository_set_workdir(repo, "./new_workdir", true));
+
+	cl_assert(git_path_isfile("./new_workdir/.git"));
+
+	cl_git_pass(git_futils_readbuffer(&content, "./new_workdir/.git"));
+	cl_assert(git__prefixcmp(git_buf_cstr(&content), "gitdir: ") == 0);
+	cl_assert(git__suffixcmp(git_buf_cstr(&content), "testrepo.git/") == 0);
+	git_buf_free(&content);
 
-	cl_assert(git__suffixcmp(git_repository_workdir(repo), "/") == 0);
+	cl_git_pass(git_repository_config(&cfg, repo));
+	cl_git_pass(git_config_get_string(&val, cfg, "core.worktree"));
+	cl_assert(git__suffixcmp(val, "new_workdir/") == 0);
+	git_config_free(cfg);
 }
 
 void test_repo_setters__setting_a_new_index_on_a_repo_which_has_already_loaded_one_properly_honors_the_refcount(void)
diff --git a/tests-clar/repo/state.c b/tests-clar/repo/state.c
new file mode 100644
index 000000000..5a0a5f360
--- /dev/null
+++ b/tests-clar/repo/state.c
@@ -0,0 +1,96 @@
+#include "clar_libgit2.h"
+#include "buffer.h"
+#include "refs.h"
+#include "posix.h"
+#include "fileops.h"
+
+static git_repository *_repo;
+static git_buf _path;
+
+void test_repo_state__initialize(void)
+{
+	_repo = cl_git_sandbox_init("testrepo.git");
+}
+
+void test_repo_state__cleanup(void)
+{
+	cl_git_sandbox_cleanup();
+	git_buf_free(&_path);
+}
+
+static void setup_simple_state(const char *filename)
+{
+	cl_git_pass(git_buf_joinpath(&_path, git_repository_path(_repo), filename));
+	git_futils_mkpath2file(git_buf_cstr(&_path), 0777);
+	cl_git_mkfile(git_buf_cstr(&_path), "dummy");
+}
+
+static void assert_repo_state(git_repository_state_t state)
+{
+	cl_assert_equal_i(state, git_repository_state(_repo));
+}
+
+void test_repo_state__none_with_HEAD_attached(void)
+{
+	assert_repo_state(GIT_REPOSITORY_STATE_NONE);
+}
+
+void test_repo_state__none_with_HEAD_detached(void)
+{
+	cl_git_pass(git_repository_detach_head(_repo));
+	assert_repo_state(GIT_REPOSITORY_STATE_NONE);
+}
+
+void test_repo_state__merge(void)
+{
+	setup_simple_state(GIT_MERGE_HEAD_FILE);
+	assert_repo_state(GIT_REPOSITORY_STATE_MERGE);
+}
+
+void test_repo_state__revert(void)
+{
+	setup_simple_state(GIT_REVERT_HEAD_FILE);
+	assert_repo_state(GIT_REPOSITORY_STATE_REVERT);
+}
+
+void test_repo_state__cherry_pick(void)
+{
+	setup_simple_state(GIT_CHERRY_PICK_HEAD_FILE);
+	assert_repo_state(GIT_REPOSITORY_STATE_CHERRY_PICK);
+}
+
+void test_repo_state__bisect(void)
+{
+	setup_simple_state(GIT_BISECT_LOG_FILE);
+	assert_repo_state(GIT_REPOSITORY_STATE_BISECT);
+}
+
+void test_repo_state__rebase_interactive(void)
+{
+	setup_simple_state(GIT_REBASE_MERGE_INTERACTIVE_FILE);
+	assert_repo_state(GIT_REPOSITORY_STATE_REBASE_INTERACTIVE);
+}
+
+void test_repo_state__rebase_merge(void)
+{
+	setup_simple_state(GIT_REBASE_MERGE_DIR "whatever");
+	assert_repo_state(GIT_REPOSITORY_STATE_REBASE_MERGE);
+}
+
+void test_repo_state__rebase(void)
+{
+	setup_simple_state(GIT_REBASE_APPLY_REBASING_FILE);
+	assert_repo_state(GIT_REPOSITORY_STATE_REBASE);
+}
+
+void test_repo_state__apply_mailbox(void)
+{
+	setup_simple_state(GIT_REBASE_APPLY_APPLYING_FILE);
+	assert_repo_state(GIT_REPOSITORY_STATE_APPLY_MAILBOX);
+}
+
+void test_repo_state__apply_mailbox_or_rebase(void)
+{
+	setup_simple_state(GIT_REBASE_APPLY_DIR "whatever");
+	assert_repo_state(GIT_REPOSITORY_STATE_APPLY_MAILBOX_OR_REBASE);
+}