Support p4ignore

[unional]

https://www.perforce.com/blog/120214/new-20121-p4ignore

Currently atom-perforce will try to add the file every time I save the file.

[mattsawyer77]

@unional I wasn't sure how to contact you. But I've made you a collaborator on this project, in case you want to push directly to the repo. side note: I am not using Atom right now (and I'm primarily using git -- though still inside perforce), so my activity on this project may be a bit slow.

[mattsawyer77]

sorry just now thought about the actual topic. why don't you want to check in your .p4ignore file?

[unional]

:)

Sorry I didn't make it clear in my original message. What I meant is changing the files specified in .p4ignore.

e.g., I want to ignore *.json, and when I add/edit/save abc.json, atom-typescript tries to add/edit the file, which p4 will complain.

[mattsawyer77]

OK, that makes sense.

[PhiLhoSoft]

A good support of .p4ignore should also comply to the Exclude VCS Ignored Paths setting, ie. if checked, they should disappear from the tree-view and from the searches.

Currently, I use the atom-tree-ignore package for that, duplicating part of the .p4ignore content, and it doesn't support hiding from searches.

The above package uses the ignore NPM library to support .gitignore-like rules. Not sure exactly how .p4ignore rules differ from these, for practical purposes (ie. if they are a subset of the former, that's OK to use).