$ git clone -n https://src.fedoraproject.org/rpms/golang-x-time.git /var/lib/mock/f38-build-side-42-init-devel-589817-26120/root/chroot_tmpdir/scmroot/golang-x-time
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-589817-26120/root/chroot_tmpdir/scmroot/golang-x-time'...
$ git fetch origin a64e5d962fb0c1a1c12b6c7ce840ec565439f4b6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-x-time
 * [new ref]         a64e5d962fb0c1a1c12b6c7ce840ec565439f4b6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a64e5d9 Update to latest version (#2173335)