2011/3/10 Junio C Hamano <gitster@xxxxxxxxx>: > Nguyán ThÃi Ngác Duy Â<pclouds@xxxxxxxxx> writes: > >> On the other hand, if we go with ':' as a mark of special pathspecs, then >> >> Â- ":/" mark pathspecs relative to worktree root >> Â- ":!" may mark negative pathspecs > > I am still moderately negative on this "negative pathspec" stuff, as it > will complicate the semantics (just one example: would a path that is > covered by both positive and negative pathspecs included or excluded? > would the last one win? would the more specific one win?) and makes the > design harder to explain to the users. Depending on the semantics chosen, > it may also make the implementation less efficient and more complex. The semantics resembles .gitignore, or at least that's my intention. But yes, this kind of notion is more complex than simple '--exclude' option, which would suit 90% cases, I guess. > The two most important things to consider are to make sure that people > with funny pathnames can work it around by quoting, and the prefixing > scheme is extensible so that other types of magic can later be introduced > with the same kind of escape hatch for people with funny pathnames that > begin with or contain new magic characters used to trigger the new magic. > > I said "something along the lines" above because ":/ for root, :! for > negative" does not yet specify how the scheme would satisfy the above > two consideration very well. The quoting part may go through another painful migration plan if you don't want to surprise users. I have already suggested to reserve the next character after ':' (or any char chosen as the magic one) as control character, for this extensibility. Any unrecognized control character will be rejected. Even if we limit ourselves to punctuation letters only, there's still plenty room for future after '/' and '!' are taken. -- 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