$ git clone -n https://src.fedoraproject.org/rpms/perl-DBD-MySQL.git /var/lib/mock/f41-build-854429-166865/root/chroot_tmpdir/scmroot/perl-DBD-MySQL
Cloning into '/var/lib/mock/f41-build-854429-166865/root/chroot_tmpdir/scmroot/perl-DBD-MySQL'...
$ git fetch origin 03ebb2e1c00c66776f442fd3a78dfeb9cc0b6956:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-DBD-MySQL
 * [new ref]         03ebb2e1c00c66776f442fd3a78dfeb9cc0b6956 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 03ebb2e 5.009 bump (rhbz#2313530)