$ git clone -n https://src.fedoraproject.org/rpms/palp.git /var/lib/mock/f45-build-21306-583/root/chroot_tmpdir/scmroot/palp
Cloning into '/var/lib/mock/f45-build-21306-583/root/chroot_tmpdir/scmroot/palp'...
$ git fetch origin f6f51bb8762dfd8a356697b8d4883f3ff70716ca:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/palp
 * [new ref]         f6f51bb8762dfd8a356697b8d4883f3ff70716ca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f6f51bb Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild