$ git clone -n https://src.fedoraproject.org/rpms/mosh.git /var/lib/mock/f45-build-19134-542/root/chroot_tmpdir/scmroot/mosh
Cloning into '/var/lib/mock/f45-build-19134-542/root/chroot_tmpdir/scmroot/mosh'...
$ git fetch origin d07dcdcaae0227114973be56fae289ff6ca231b7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mosh
 * [new ref]         d07dcdcaae0227114973be56fae289ff6ca231b7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d07dcdc Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild