Re: [PATCH v2 1/4] worktree: refactor infer_backlink() to use *strbuf

> On Sunday, October 6th, 2024 at 23:12, shejialuo <shejialuo@gmail.com> wrote:
> > That's not correct. It is true that the contents can be NULL and
> > `backlink` could be filled with the infer_backlink. But do you notice
> > that if `backlink` was filled with the infer_backlink, it will jump
> > to the "done" label.
> 
> This is not correct, if backlink is filled with `infer_backlink` it
> continues on with the processing. I have made this more clear:
> 
>     dotgit_contents = xstrdup_or_null(read_gitfile_gently(realdotgit.buf, &err));
>     if (dotgit_contents) {
> 	if (is_absolute_path(dotgit_contents)) {
> 	    strbuf_addstr(&backlink, dotgit_contents);
>         } else {
> 	    strbuf_addbuf(&backlink, &realdotgit);
> 	    strbuf_strip_suffix(&backlink, ".git");
> 	    strbuf_addstr(&backlink, dotgit_contents);
>         }
>     } else if (err == READ_GITFILE_ERR_NOT_A_FILE) {
> 	fn(1, realdotgit.buf, _("unable to locate repository; .git is not a file"), cb_data);
> 	goto done;
>     } else if (err == READ_GITFILE_ERR_NOT_A_REPO) {
> 	if (!infer_backlink(realdotgit.buf, &backlink)) {
> 	    fn(1, realdotgit.buf, _("unable to locate repository; .git file does not reference a repository"), cb_data);
> 	    goto done;
>         }
>     } else if (err) {
>         fn(1, realdotgit.buf, _("unable to locate repository; .git file broken"), cb_data);
>         goto done;
>     }
> 
>