$ git clone -n https://src.fedoraproject.org/rpms/rubygem-msgpack.git /var/lib/mock/f31-build-52514-27679/root/chroot_tmpdir/scmroot/rubygem-msgpack
Cloning into '/var/lib/mock/f31-build-52514-27679/root/chroot_tmpdir/scmroot/rubygem-msgpack'...
$ git reset --hard b729e8bd0bb1b152e6f32f8f71150643dd8c05cc
HEAD is now at b729e8b - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild