On Friday, January 31, 2014 7:36:52 AM UTC+1, Philipp Kraus wrote:
> Hello,
> sorry for the late answer.
> Am Mittwoch, 22. Januar 2014 21:27:18 UTC+1 schrieb Magnus Therning:
>> I'm not 100% sure I understand what you wish to do, but you might want 
>> to look at `git clean`.  By default it just lists the files it would 
>> delete, you have to pass it '-f' to actually remove stuff.  You can 
>> also control whether you want it to deal with ignored files or not. 
> I'm using gitignore like a black list, so my git ignore defines all files 
> which are not allowed.
> If I switch this to a white list, I need a check if everything is all 
> right. git clean works only
> with untracked files, but in my case I have got tracked files, which can 
> be after the gitignore
> changing also ignored. 
> Did you have got an idea, in which way I can change my gitignores, so that 
> I do not forget some files?

So, you want to change .gitignore
and then see which already checked-in files would have been ignored had 
they not been added already..

Well.. Here's a pragmatic approach:

cd repo
mv .git .. # move .git somewhere else temporarily
git init
git status --ignored # behold, all ignored files!
rm -r .git
mv ../.git . #revert to old state

If you don't want to toss your .git dir around, you can achieve the same by 
using the GIT_DIR variable:

cd repo
git --git-dir /tmp/foo.git init #just init an empty repo somewhere
git --git-dir /tmp/foo.git --work-tree . status --ignored  

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