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include/git2/refs.h

@@ -351,7 +351,9 @@ GIT_EXTERN(int) git_reference_cmp(git_reference *ref1, git_reference *ref2);
  * @param repo the repository
  * @return 0 or an error code
  */
-GIT_EXTERN(int) git_reference_iterator_new(git_reference_iterator **out, git_repository *repo);
+GIT_EXTERN(int) git_reference_iterator_new(
+	git_reference_iterator **out,
+	git_repository *repo);
 
 /**
  * Create an iterator for the repo's references that match the
@@ -362,16 +364,19 @@ GIT_EXTERN(int) git_reference_iterator_new(git_reference_iterator **out, git_rep
  * @param glob the glob to match against the reference names
  * @return 0 or an error code
  */
-GIT_EXTERN(int) git_reference_iterator_glob_new(git_reference_iterator **out, git_repository *repo, const char *glob);
+GIT_EXTERN(int) git_reference_iterator_glob_new(
+	git_reference_iterator **out,
+	git_repository *repo,
+	const char *glob);
 
 /**
- * Get the next reference name
+ * Get the next reference
  *
- * @param out pointer in which to store the string
+ * @param out pointer in which to store the reference
  * @param iter the iterator
  * @param 0, GIT_ITEROVER if there are no more; or an error code
  */
-GIT_EXTERN(int) git_reference_next(const char **out, git_reference_iterator *iter);
+GIT_EXTERN(int) git_reference_next(git_reference **out, git_reference_iterator *iter);
 
 /**
  * Free the iterator and its associated resources

include/git2/sys/refdb_backend.h

@@ -85,7 +85,7 @@ struct git_refdb_backend {
 	 * A refdb implementation must provide this function.
 	 */
 	int (*next)(
-		const char **name,
+		git_reference **ref,
 		git_reference_iterator *iter);
 
 	/**

src/branch.c

@@ -131,28 +131,32 @@ int git_branch_foreach(
 	void *payload)
 {
 	git_reference_iterator *iter;
-	const char *name;
+	git_reference *ref;
 	int error;
 
 	if (git_reference_iterator_new(&iter, repo) < 0)
 		return -1;
 
-	while ((error = git_reference_next(&name, iter)) == 0) {
+	while ((error = git_reference_next(&ref, iter)) == 0) {
 		if (list_flags & GIT_BRANCH_LOCAL &&
-		    git__prefixcmp(name, GIT_REFS_HEADS_DIR) == 0) {
-			if (callback(name + strlen(GIT_REFS_HEADS_DIR), GIT_BRANCH_LOCAL, payload)) {
+		    git__prefixcmp(ref->name, GIT_REFS_HEADS_DIR) == 0) {
+			if (callback(ref->name + strlen(GIT_REFS_HEADS_DIR),
+					GIT_BRANCH_LOCAL, payload)) {
 				error = GIT_EUSER;
 				break;
 			}
 		}
 
 		if (list_flags & GIT_BRANCH_REMOTE &&
-		    git__prefixcmp(name, GIT_REFS_REMOTES_DIR) == 0) {
-			if (callback(name + strlen(GIT_REFS_REMOTES_DIR), GIT_BRANCH_REMOTE, payload)) {
+		    git__prefixcmp(ref->name, GIT_REFS_REMOTES_DIR) == 0) {
+			if (callback(ref->name + strlen(GIT_REFS_REMOTES_DIR),
+					GIT_BRANCH_REMOTE, payload)) {
 				error = GIT_EUSER;
 				break;
 			}
 		}
+
+		git_reference_free(ref);
 	}
 
 	if (error == GIT_ITEROVER)
@@ -160,7 +164,6 @@ int git_branch_foreach(
 
 	git_reference_iterator_free(iter);
 	return error;
-
 }
 
 int git_branch_move(

src/refdb.c

@@ -160,17 +160,26 @@ int git_refdb_iterator_glob(git_reference_iterator **out, git_refdb *db, const c
 	return 0;
 }
 
-int git_refdb_next(const char **out, git_reference_iterator *iter)
+int git_refdb_next(git_reference **out, git_reference_iterator *iter)
 {
 	int error;
 
-	if (!iter->glob)
-		return iter->backend->next(out, iter);
+	if (!iter->glob) {
+		if ((error = iter->backend->next(out, iter)) < 0)
+			return error;
+
+		(*out)->db = iter->backend;
+		return 0;
+	}
 
 	/* If the iterator has a glob, we need to filter */
 	while ((error = iter->backend->next(out, iter)) == 0) {
-		if (!p_fnmatch(iter->glob, *out, 0))
-			break;
+		if (!p_fnmatch(iter->glob, (*out)->name, 0)) {
+			(*out)->db = iter->backend;
+			return 0;
+		}
+
+		git_reference_free(*out);
 	}
 
 	return error;

src/refdb.h

@@ -28,7 +28,7 @@ int git_refdb_lookup(
 
 int git_refdb_iterator(git_reference_iterator **out, git_refdb *db);
 int git_refdb_iterator_glob(git_reference_iterator **out, git_refdb *db, const char *glob);
-int git_refdb_next(const char **out, git_reference_iterator *iter);
+int git_refdb_next(git_reference **out, git_reference_iterator *iter);
 void git_refdb_iterator_free(git_reference_iterator *iter);
 
 int git_refdb_write(git_refdb *refdb, const git_reference *ref);

src/refdb_fs.c

@@ -645,16 +645,19 @@ static int iter_load_loose_paths(refdb_fs_iter *iter)
 	return 0;
 }
 
-static int refdb_fs_backend__next(const char **out, git_reference_iterator *_iter)
+static int refdb_fs_backend__next(git_reference **out, git_reference_iterator *_iter)
 {
 	refdb_fs_iter *iter = (refdb_fs_iter *)_iter;
-	refdb_fs_backend *backend = (refdb_fs_backend *) iter->parent.backend;
+	refdb_fs_backend *backend = (refdb_fs_backend *)iter->parent.backend;
 	git_strmap *packfile = backend->refcache.packfile;
 
-	if (iter->loose_pos < iter->loose.length) {
+	while (iter->loose_pos < iter->loose.length) {
 		const char *path = git_vector_get(&iter->loose, iter->loose_pos++);
-		*out = path;
-		return 0;
+
+		if (loose_lookup(out, backend, path) == 0)
+			return 0;
+
+		giterr_clear();
 	}
 
 	if (iter->packed_pos < kh_end(packfile)) {
@@ -671,7 +674,10 @@ static int refdb_fs_backend__next(const char **out, git_reference_iterator *_ite
 			iter->packed_pos++;
 		} while (ref->flags & PACKREF_SHADOWED);
 
-		*out = ref->name;
+		*out = git_reference__alloc(ref->name, &ref->oid, &ref->peel);
+		if (*out == NULL)
+			return -1;
+
 		return 0;
 	}
 

src/refs.c

@@ -664,7 +664,7 @@ int git_reference_iterator_glob_new(git_reference_iterator **out, git_repository
 	return git_refdb_iterator_glob(out, refdb, glob);
 }
 
-int git_reference_next(const char **out, git_reference_iterator *iter)
+int git_reference_next(git_reference **out, git_reference_iterator *iter)
 {
 	return git_refdb_next(out, iter);
 }

src/remote.c

@@ -1239,30 +1239,25 @@ static int update_branch_remote_config_entry(
 }
 
 static int rename_one_remote_reference(
-	git_repository *repo,
-	const char *reference_name,
+	git_reference *reference,
 	const char *old_remote_name,
 	const char *new_remote_name)
 {
 	int error = -1;
 	git_buf new_name = GIT_BUF_INIT;
-	git_reference *reference = NULL;
 	git_reference *newref = NULL;
 
 	if (git_buf_printf(
 		&new_name,
 		GIT_REFS_REMOTES_DIR "%s%s",
 		new_remote_name,
-		reference_name + strlen(GIT_REFS_REMOTES_DIR) + strlen(old_remote_name)) < 0)
+		reference->name + strlen(GIT_REFS_REMOTES_DIR) + strlen(old_remote_name)) < 0)
 			return -1;
 
-	if (git_reference_lookup(&reference, repo, reference_name) < 0)
-		goto cleanup;
-
+	/* TODO: can we make this NULL? */
 	error = git_reference_rename(&newref, reference, git_buf_cstr(&new_name), 0);
 	git_reference_free(reference);
 
-cleanup:
 	git_reference_free(newref);
 	git_buf_free(&new_name);
 	return error;
@@ -1273,46 +1268,28 @@ static int rename_remote_references(
 	const char *old_name,
 	const char *new_name)
 {
-	git_vector refnames;
 	int error = -1;
-	unsigned int i;
-	char *name;
-	const char *refname;
+	git_reference *ref;
 	git_reference_iterator *iter;
 
-	if (git_vector_init(&refnames, 8, NULL) < 0)
-		return -1;
-
 	if (git_reference_iterator_new(&iter, repo) < 0)
-		goto cleanup;
+		return -1;
 
-	while ((error = git_reference_next(&refname, iter)) == 0) {
-		if (git__prefixcmp(refname, GIT_REFS_REMOTES_DIR))
+	while ((error = git_reference_next(&ref, iter)) == 0) {
+		if (git__prefixcmp(ref->name, GIT_REFS_REMOTES_DIR))
 			continue;
 
-		if ((error = git_vector_insert(&refnames, git__strdup(refname))) < 0)
-			break;
-
+		if ((error = rename_one_remote_reference(ref, old_name, new_name)) < 0) {
+			git_reference_iterator_free(iter);
+			return error;
+		}
 	}
 
 	git_reference_iterator_free(iter);
-	if (error == GIT_ITEROVER)
-		error = 0;
-	else
-		goto cleanup;
 
-	git_vector_foreach(&refnames, i, name) {
-		if ((error = rename_one_remote_reference(repo, name, old_name, new_name)) < 0)
-			goto cleanup;
-	}
-
-	error = 0;
-cleanup:
-	git_vector_foreach(&refnames, i, name) {
-		git__free(name);
-	}
+	if (error == GIT_ITEROVER)
+		return 0;
 
-	git_vector_free(&refnames);
 	return error;
 }
 

tests-clar/refdb/testdb.c

@@ -134,7 +134,7 @@ static int refdb_test_backend__iterator(git_reference_iterator **out, git_refdb_
 	return 0;
 }
 
-static int refdb_test_backend__next(const char **name, git_reference_iterator *_iter)
+static int refdb_test_backend__next(git_reference **out, git_reference_iterator *_iter)
 {
 	refdb_test_entry *entry;
 	refdb_test_backend *backend = (refdb_test_backend *) _iter->backend;
@@ -144,9 +144,15 @@ static int refdb_test_backend__next(const char **name, git_reference_iterator *_
 	if (!entry)
 		return GIT_ITEROVER;
 
-	*name = entry->name;
-	iter->i++;
+	if (entry->type == GIT_REF_OID) {
+		*out = git_reference__alloc(entry->name, &entry->target.oid, NULL);
+	} else if (entry->type == GIT_REF_SYMBOLIC) {
+		*out = git_reference__alloc_symbolic(entry->name, entry->target.symbolic);
+	} else {
+		return -1;
+	}
 
+	iter->i++;
 	return 0;
 }
 

tests-clar/refs/iterator.c

@@ -38,40 +38,43 @@ static const char *refnames[] = {
 	"refs/tags/wrapped_tag",
 };
 
+static int refcmp_cb(const void *a, const void *b)
+{
+	const git_reference *refa = (const git_reference *)a;
+	const git_reference *refb = (const git_reference *)b;
+
+	return strcmp(refa->name, refb->name);
+}
+
 void test_refs_iterator__list(void)
 {
 	git_reference_iterator *iter;
 	git_vector output;
-	char *refname;
+	git_reference *ref;
 	int error;
 	size_t i;
 
-	cl_git_pass(git_vector_init(&output, 32, git__strcmp_cb));
+	cl_git_pass(git_vector_init(&output, 32, &refcmp_cb));
 	cl_git_pass(git_reference_iterator_new(&iter, repo));
 
 	do {
-		const char *name;
-		error = git_reference_next(&name, iter);
+		error = git_reference_next(&ref, iter);
 		cl_assert(error == 0 || error == GIT_ITEROVER);
 		if (error != GIT_ITEROVER) {
-			char *dup = git__strdup(name);
-			cl_assert(dup != NULL);
-			cl_git_pass(git_vector_insert(&output, dup));
+			cl_git_pass(git_vector_insert(&output, ref));
 		}
 	} while (!error);
 
+	git_reference_iterator_free(iter);
 	cl_assert_equal_i(output.length, ARRAY_SIZE(refnames));
 
 	git_vector_sort(&output);
-	git_vector_foreach(&output, i, refname) {
-		cl_assert_equal_s(refname, refnames[i]);
-	}
-
-	git_reference_iterator_free(iter);
 
-	git_vector_foreach(&output, i, refname) {
-		git__free(refname);
+	git_vector_foreach(&output, i, ref) {
+		cl_assert_equal_s(ref->name, refnames[i]);
+		git_reference_free(ref);
 	}
+
 	git_vector_free(&output);
 }
 
@@ -79,14 +82,14 @@ void test_refs_iterator__empty(void)
 {
 	git_reference_iterator *iter;
 	git_odb *odb;
-	const char *name;
+	git_reference *ref;
 	git_repository *empty;
 
 	cl_git_pass(git_odb_new(&odb));
 	cl_git_pass(git_repository_wrap_odb(&empty, odb));
 
 	cl_git_pass(git_reference_iterator_new(&iter, empty));
-	cl_assert_equal_i(GIT_ITEROVER, git_reference_next(&name, iter));
+	cl_assert_equal_i(GIT_ITEROVER, git_reference_next(&ref, iter));
 
 	git_reference_iterator_free(iter);
 	git_odb_free(odb);