$ git clone -n https://src.fedoraproject.org/rpms/golang-x-mod.git /var/lib/mock/f41-build-847380-163983/root/chroot_tmpdir/scmroot/golang-x-mod
Cloning into '/var/lib/mock/f41-build-847380-163983/root/chroot_tmpdir/scmroot/golang-x-mod'...
$ git fetch origin ed311aae716921335f10229f07a3983c3d78e51f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-x-mod
 * [new ref]         ed311aae716921335f10229f07a3983c3d78e51f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed311aa Update to 0.21.0 upstream release