Re: Git ignore help

> On Sun, Mar 22, 2015 at 10:33 AM, Eric Sunshine <sunshine@sunshineco.com> wrote:
>> On Fri, Mar 20, 2015 at 6:36 AM,  <mdconf@seznam.cz> wrote:
>>> Any idea what I am doing wrong?
>>
>> The fourth bullet point of the "Pattern Format" section of the
>> gitignore man page has this to say, which explains the behavior you're
>> seeing:
>>
>>     An optional prefix "!" which negates the pattern; any matching
>>     file excluded by a previous pattern will become included again.
>>     It is not possible to re-include a file if a parent directory of
>>     that file is excluded. Git doesn’t list excluded directories for
>>     performance reasons, so any patterns on contained files have no
>>     effect, no matter where they are defined.
>
> This is true. To elaborate, if we have to recurse in excluded
> directories so that we can include some back, then the reason for
> excluding is already defeated as we may need to traverse the entire
> directory structure. However in this particular case where we do know
> in advance that only certain directories may have "re-include" rules,
> e.g. "db", "reports" or "scripts", we could keep going for a while. I
> think I attempted to do this in the past and failed (don't remember
> exactly why). Maybe I'll try again some time in future.

> Another option is, if the user is willing to accept performance
> degradation (in many small repos, it does not matter anyway), then we
> could keep digging in.
> --
> Duy