$ git clone -n https://src.fedoraproject.org/rpms/mboxgrep.git /var/lib/mock/f31-build-51004-27467/root/chroot_tmpdir/scmroot/mboxgrep
Cloning into '/var/lib/mock/f31-build-51004-27467/root/chroot_tmpdir/scmroot/mboxgrep'...
$ git reset --hard d915df0bd9ee03a758abb62eb3038c0cf4c30547
HEAD is now at d915df0 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild