$ git clone -n https://src.fedoraproject.org/rpms/gcx.git /var/lib/mock/f31-build-90049-32159/root/chroot_tmpdir/scmroot/gcx
Cloning into '/var/lib/mock/f31-build-90049-32159/root/chroot_tmpdir/scmroot/gcx'...
$ git reset --hard 5d1953df9ca19896ed3c4e8e0a5d6f064c581608
HEAD is now at 5d1953d - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild