$ git clone -n https://src.fedoraproject.org/rpms/libXfixes.git /var/lib/mock/f31-build-58089-28403/root/chroot_tmpdir/scmroot/libXfixes
Cloning into '/var/lib/mock/f31-build-58089-28403/root/chroot_tmpdir/scmroot/libXfixes'...
$ git reset --hard f81089ac8e6ec7a86fc4229d5bd0a2f811b818c6
HEAD is now at f81089a - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild