$ git clone -n https://src.fedoraproject.org/rpms/golang-x-net.git /var/lib/mock/f45-build-12797-443/root/chroot_tmpdir/scmroot/golang-x-net
Cloning into '/var/lib/mock/f45-build-12797-443/root/chroot_tmpdir/scmroot/golang-x-net'...
$ git fetch origin 906cbeb8342685797bb2cb10354efae41c6df888:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-x-net
 * [new ref]         906cbeb8342685797bb2cb10354efae41c6df888 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 906cbeb Update to 0.43.0 upstream release