On Fri, Sep 13, 2013 at 3:21 AM, John Keeping <john@xxxxxxxxxxxxx> wrote: > On Thu, Sep 12, 2013 at 12:48:10PM -0700, Junio C Hamano wrote: >> John Keeping <john@xxxxxxxxxxxxx> writes: >> >> > This allows us to replace the submodule path trailing slash removal in >> > builtin/rm.c with the PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP flag to >> > parse_pathspec() without changing the behaviour with respect to multiple >> > trailing slashes. >> >> Where does prefix_pathspec()'s input, which could have an unwanted >> trailing slash, come from? >> >> If it is read from some of our internal data structure and known to >> have at most one, then this change makes me feel very uneasy to cope >> with potentially sloppy end-user input and data generated by ourselves >> with the same logic. It will allow our internal to be sloppy without >> forcing us notice and fix that sloppiness. >> >> If it is coming from an end-user input, then I would not object to >> the change, though. > > I added this in response to Duy's comment on v1 [1]. > > [1] http://article.gmane.org/gmane.comp.version-control.git/234548 Looks like I add more noise to this thread than anything valuable. Yes, once argv goes through parse_pathspec it's normalized so we do not need to strip consecutive slashes any more. I'm not entirely sure if it also converts Windows '\\' to '/'.. > Looking more closely, this does come from user input (via the argv > passed into parse_pathspec) but does (some of the time) go through > prefix_path_gently which calls normalize_path_copy_len. > > It's not immediately clear to me when prefix_pathspec goes through this > particular code path, but I think we may be able to drop this (and the > previous patch) without affecting the user. -- Duy -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html