$ git clone -n https://src.fedoraproject.org/rpms/guacamole-server.git /var/lib/mock/f31-build-50865-27442/root/chroot_tmpdir/scmroot/guacamole-server
Cloning into '/var/lib/mock/f31-build-50865-27442/root/chroot_tmpdir/scmroot/guacamole-server'...
$ git reset --hard cafa94dbba2a00e02de8fe04c7153315db692fc0
HEAD is now at cafa94d Update sources