$ git clone -n https://src.fedoraproject.org/rpms/mcpp.git /var/lib/mock/f31-build-51039-27475/root/chroot_tmpdir/scmroot/mcpp
Cloning into '/var/lib/mock/f31-build-51039-27475/root/chroot_tmpdir/scmroot/mcpp'...
$ git reset --hard b6ba86d3ebeccc136113190897b64ebca126486b
HEAD is now at b6ba86d - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild