From mboxrd@z Thu Jan  1 00:00:00 1970
From: Junio C Hamano <junkio@cox.net>
Subject: Re: Git / Subversion Interoperability
Date: Sat, 24 Mar 2007 13:37:40 -0700
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Cc: Karl =?utf-8?Q?Hasselstr=C3=B6m?= <kha@treskal.com>,
	"Shawn O. Pearce" <spearce@spearce.org>,
	Julian Phillips <julian@quantumfyre.co.uk>,
	Bruno Cesar Ribas <ribas@c3sl.ufpr.br>, git@vger.kernel.org
To: Linus Torvalds <torvalds@linux-foundation.org>
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In-Reply-To: <Pine.LNX.4.64.0703241258560.6730@woody.linux-foundation.org>
	(Linus Torvalds's message of "Sat, 24 Mar 2007 13:13:06 -0700 (PDT)")
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Linus Torvalds <torvalds@linux-foundation.org> writes:

> So if your .gitignore looks like
>
> 	*.o
>
> it means that it recursively ignores all *.o files starting at that level.
>
> HOWEVER, if you write it as
>
> 	/*.o
>
> it means that it ignores *.o files only *within* that level (so it's 
> "absolute" wrt the particular .gitignore file, not globally).
>
> So you can have both behaviours.
>
> [ I think the exact behaviour is: if there is a '/' anywhere in the name, 
>   it's not a recursive match and has to match the file exactly, but 
>   somebody like Junio should probably back me up on that ]
> 		Linus

Yes, that is what dir.c::excluded_1() says.  If it does not have
'/' then fnmatch the basename, otherwise fnmatch with
FNM_PATHNAME.  So I think if you write

               /obj/*.o

you can ignore *.o files in obj/ directory (but won't ignore a/obj/b.o).