$ git clone -n https://src.fedoraproject.org/rpms/perl-MooseX-Log-Log4perl.git /var/lib/mock/f41-build-1287143-23295/root/chroot_tmpdir/scmroot/perl-MooseX-Log-Log4perl
Cloning into '/var/lib/mock/f41-build-1287143-23295/root/chroot_tmpdir/scmroot/perl-MooseX-Log-Log4perl'...
$ git fetch origin 4721894c5f34e35a82b17b3893589fadd10d332a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-MooseX-Log-Log4perl
 * [new ref]         4721894c5f34e35a82b17b3893589fadd10d332a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4721894 Eliminate use of obsolete %patchN syntax (#2283636)