$ git clone -n https://src.fedoraproject.org/rpms/uxplay.git /var/lib/mock/f38-build-side-42-init-devel-1407200-31285/root/chroot_tmpdir/scmroot/uxplay
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1407200-31285/root/chroot_tmpdir/scmroot/uxplay'...
$ git fetch origin 75aafdcad7d41d5177981cc208989a05e5ef2b86:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/uxplay
 * [new ref]         75aafdcad7d41d5177981cc208989a05e5ef2b86 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 75aafdc Update to 1.66