$ git clone -n https://src.fedoraproject.org/rpms/lxtask.git /var/lib/mock/f45-build-17888-505/root/chroot_tmpdir/scmroot/lxtask
Cloning into '/var/lib/mock/f45-build-17888-505/root/chroot_tmpdir/scmroot/lxtask'...
$ git fetch origin 060e1107116153148939703f3632bd6cd96195eb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lxtask
 * [new ref]         060e1107116153148939703f3632bd6cd96195eb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 060e110 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild