$ git clone -n https://src.fedoraproject.org/rpms/python-pysingular.git /var/lib/mock/f42-build-3442773-45457/root/chroot_tmpdir/scmroot/python-pysingular
Cloning into '/var/lib/mock/f42-build-3442773-45457/root/chroot_tmpdir/scmroot/python-pysingular'...
$ git fetch origin 73a49e1b000363fa884e59604f0ae3cea27034a3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pysingular
 * [new ref]         73a49e1b000363fa884e59604f0ae3cea27034a3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 73a49e1 Rebuild for Singular 4.4.1