Add remove_placeholders() test helper function which recursively removes marker…

Add remove_placeholders() test helper function which recursively removes marker files from a directory structure

tests/test_helpers.c

@@ -256,3 +256,31 @@ void close_temp_repo(git_repository *repo)
 	git_repository_free(repo);
 	rmdir_recurs(TEMP_REPO_FOLDER);
 }
+
+static int remove_placeholders_recurs(void *filename, char *path)
+{
+	char passed_filename[GIT_PATH_MAX];
+	char *data = (char *)filename;
+
+	if (!gitfo_isdir(path))
+		return gitfo_dirent(path, GIT_PATH_MAX, remove_placeholders_recurs, data);
+
+	 if (git__basename_r(passed_filename, sizeof(passed_filename), path) < GIT_SUCCESS)
+		 return GIT_EINVALIDPATH;
+
+	if (!strcmp(data, passed_filename))
+		return gitfo_unlink(path);
+
+	return GIT_SUCCESS;
+}
+
+int remove_placeholders(char *directory_path, char *filename)
+{
+	char buffer[GIT_PATH_MAX];
+
+	if (gitfo_isdir(directory_path))
+		return GIT_EINVALIDPATH;
+
+	strcpy(buffer, directory_path);
+	return remove_placeholders_recurs(filename, buffer);
+}

tests/test_helpers.h

@@ -67,6 +67,7 @@ extern int cmp_files(const char *a, const char *b);
 extern int copy_file(const char *source, const char *dest);
 extern int rmdir_recurs(const char *directory_path);
 extern int copydir_recurs(const char *source_directory_path, const char *destination_directory_path);
+extern int remove_placeholders(char *directory_path, char *filename);
 
 extern int open_temp_repo(git_repository **repo, const char *path);
 extern void close_temp_repo(git_repository *repo);