$ git clone -n https://src.fedoraproject.org/rpms/perl-Object-Pad.git /var/lib/mock/f43-perl-60959481-6586778/root/chroot_tmpdir/scmroot/perl-Object-Pad
Cloning into '/var/lib/mock/f43-perl-60959481-6586778/root/chroot_tmpdir/scmroot/perl-Object-Pad'...
$ git fetch origin aa1d3aeb08d38d143e4fa01deaf36028dcdb4368:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Object-Pad
 * [new ref]         aa1d3aeb08d38d143e4fa01deaf36028dcdb4368 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aa1d3ae Perl 5.42 rebuild