$ git clone -n https://src.fedoraproject.org/rpms/uucp.git /var/lib/mock/f41-build-832869-157689/root/chroot_tmpdir/scmroot/uucp
Cloning into '/var/lib/mock/f41-build-832869-157689/root/chroot_tmpdir/scmroot/uucp'...
$ git fetch origin d666ce5e3346222ddaa7c17e61a65f678d382fd2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/uucp
 * [new ref]         d666ce5e3346222ddaa7c17e61a65f678d382fd2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d666ce5 Fix FTBFS due to incompatible types