$ git clone -n https://src.fedoraproject.org/rpms/rubygem-msgpack.git /var/lib/mock/f31-build-93409-32407/root/chroot_tmpdir/scmroot/rubygem-msgpack
Cloning into '/var/lib/mock/f31-build-93409-32407/root/chroot_tmpdir/scmroot/rubygem-msgpack'...
$ git reset --hard b4180a382db683af12d096835026d053ba1f02da
HEAD is now at b4180a3 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild