worktree: introduce "add" command

diff --git a/submodule.c b/submodule.c
index 0690dc50d07e9fd30242e41afe149476a34fc105..34094f5e97bbd63d6be2d697f656986c327c74ea 100644 (file)
--- a/submodule.c
+++ b/submodule.c
@@ -1102,16 +1102,11 @@ void connect_work_tree_and_git_dir(const char *work_tree, const char *git_dir)
        struct strbuf file_name = STRBUF_INIT;
        struct strbuf rel_path = STRBUF_INIT;
        const char *real_work_tree = xstrdup(real_path(work_tree));
-       FILE *fp;
 
        /* Update gitfile */
        strbuf_addf(&file_name, "%s/.git", work_tree);
-       fp = fopen(file_name.buf, "w");
-       if (!fp)
-               die(_("Could not create git link %s"), file_name.buf);
-       fprintf(fp, "gitdir: %s\n", relative_path(git_dir, real_work_tree,
-                                                 &rel_path));
-       fclose(fp);
+       write_file(file_name.buf, 1, "gitdir: %s\n",
+                  relative_path(git_dir, real_work_tree, &rel_path));
 
        /* Update core.worktree setting */
        strbuf_reset(&file_name);