$ git clone -n https://src.fedoraproject.org/rpms/uucp.git /var/lib/mock/f41-build-2568196-25544/root/chroot_tmpdir/scmroot/uucp
Cloning into '/var/lib/mock/f41-build-2568196-25544/root/chroot_tmpdir/scmroot/uucp'...
$ git fetch origin 21d5327abdc3ff9d6ccb5b24fde155dc7e52b216:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/uucp
 * [new ref]         21d5327abdc3ff9d6ccb5b24fde155dc7e52b216 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 21d5327 convert GPLv2+ license to SPDX