$ git clone -n https://src.fedoraproject.org/rpms/skopeo.git /var/lib/mock/f41-build-848723-164546/root/chroot_tmpdir/scmroot/skopeo
Cloning into '/var/lib/mock/f41-build-848723-164546/root/chroot_tmpdir/scmroot/skopeo'...
$ git fetch origin 18d36ebb40c06fb607d3041a859115be922d4b1c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/skopeo
 * [new ref]         18d36ebb40c06fb607d3041a859115be922d4b1c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 18d36eb Update to 1.16.1 upstream release