$ git clone -n https://src.fedoraproject.org/rpms/bodhi-messages.git /var/lib/mock/f42-build-side-1-3537113-46559/root/chroot_tmpdir/scmroot/bodhi-messages
Cloning into '/var/lib/mock/f42-build-side-1-3537113-46559/root/chroot_tmpdir/scmroot/bodhi-messages'...
$ git fetch origin 4eefcfee0dd85a1d0267ef6346464410e13657a5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bodhi-messages
 * [new ref]         4eefcfee0dd85a1d0267ef6346464410e13657a5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4eefcfe Update to 25.5.1