$ git clone -n https://src.fedoraproject.org/rpms/libXcomposite.git /var/lib/mock/f31-build-67764-30088/root/chroot_tmpdir/scmroot/libXcomposite
Cloning into '/var/lib/mock/f31-build-67764-30088/root/chroot_tmpdir/scmroot/libXcomposite'...
$ git reset --hard fc74fdb73fb3deecd414f83f889d10f4cdd946ab
HEAD is now at fc74fdb - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild