$ git clone -n https://src.fedoraproject.org/rpms/u2f-hidraw-policy.git /var/lib/mock/f31-build-60080-28694/root/chroot_tmpdir/scmroot/u2f-hidraw-policy
Cloning into '/var/lib/mock/f31-build-60080-28694/root/chroot_tmpdir/scmroot/u2f-hidraw-policy'...
$ git reset --hard 75ecd990ff20fbb9e14400382d0dcc94c0f14fcf
HEAD is now at 75ecd99 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild