devel/git new update des not fetch

[b. f.]

>
> Since my new update of ports tree :
>
> ===>  Vulnerability check disabled, database not found
> ===>  License check disabled, port has not defined LICENSE
> ===>  Found saved configuration for git-1.7.4.3
> => git-1.7.6.1.tar.bz2 doesn't seem to exist in /usr/ports/distfiles//.
> => Attempting to fetch
> http://kernel.org/pub/software/scm/git/git-1.7.6.1.tar.bz2
> fetch: http://kernel.org/pub/software/scm/git/git-1.7.6.1.tar.bz2:
> Service Unavailable

It looks like you do not have the latest revision of devel/git:

$FreeBSD: ports/devel/git/Makefile,v 1.112 2011/09/10 01:56:16 wxs Exp $

which adds some alternative mirrors while kernel.org conduct an audit
following the recent security breach there.

Cf.

http://lists.freebsd.org/pipermail/freebsd-ports/2011-September/070052.html