$ git clone -n https://src.fedoraproject.org/rpms/rear.git /var/lib/mock/f31-build-91743-32333/root/chroot_tmpdir/scmroot/rear
Cloning into '/var/lib/mock/f31-build-91743-32333/root/chroot_tmpdir/scmroot/rear'...
$ git reset --hard 148f5029cdca3d2eb165b53064c492235bee5769
HEAD is now at 148f502 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild