[PATCH v4 1/2] submodule refactor: use git_path_submodule() in add_submodule_odb()

[Max Kirillov <max@xxxxxxxxxx>]

Signed-off-by: Max Kirillov <max@xxxxxxxxxx>
---
 submodule.c | 28 ++++++++++------------------
 1 file changed, 10 insertions(+), 18 deletions(-)

diff --git a/submodule.c b/submodule.c
index 34094f5..4aad3d4 100644
--- a/submodule.c
+++ b/submodule.c
@@ -122,43 +122,35 @@ void stage_updated_gitmodules(void)
 
 static int add_submodule_odb(const char *path)
 {
-	struct strbuf objects_directory = STRBUF_INIT;
 	struct alternate_object_database *alt_odb;
+	const char* objects_directory;
 	int ret = 0;
-	const char *git_dir;
 
-	strbuf_addf(&objects_directory, "%s/.git", path);
-	git_dir = read_gitfile(objects_directory.buf);
-	if (git_dir) {
-		strbuf_reset(&objects_directory);
-		strbuf_addstr(&objects_directory, git_dir);
-	}
-	strbuf_addstr(&objects_directory, "/objects/");
-	if (!is_directory(objects_directory.buf)) {
+	objects_directory = git_path_submodule(path, "objects/");
+	if (!is_directory(objects_directory)) {
 		ret = -1;
 		goto done;
 	}
+
 	/* avoid adding it twice */
 	for (alt_odb = alt_odb_list; alt_odb; alt_odb = alt_odb->next)
-		if (alt_odb->name - alt_odb->base == objects_directory.len &&
-				!strncmp(alt_odb->base, objects_directory.buf,
-					objects_directory.len))
+		if (alt_odb->name - alt_odb->base == strlen(objects_directory) &&
+				!strcmp(alt_odb->base, objects_directory))
 			goto done;
 
-	alt_odb = xmalloc(objects_directory.len + 42 + sizeof(*alt_odb));
+	alt_odb = xmalloc(strlen(objects_directory) + 42 + sizeof(*alt_odb));
 	alt_odb->next = alt_odb_list;
-	strcpy(alt_odb->base, objects_directory.buf);
-	alt_odb->name = alt_odb->base + objects_directory.len;
+	strcpy(alt_odb->base, objects_directory);
+	alt_odb->name = alt_odb->base + strlen(objects_directory);
 	alt_odb->name[2] = '/';
 	alt_odb->name[40] = '\0';
 	alt_odb->name[41] = '\0';
 	alt_odb_list = alt_odb;
 
 	/* add possible alternates from the submodule */
-	read_info_alternates(objects_directory.buf, 0);
+	read_info_alternates(objects_directory, 0);
 	prepare_alt_odb();
 done:
-	strbuf_release(&objects_directory);
 	return ret;
 }
 
-- 
2.1.1.391.g7a54a76

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