$ git clone -n https://src.fedoraproject.org/rpms/rear.git /var/lib/mock/f31-build-49582-27314/root/chroot_tmpdir/scmroot/rear
Cloning into '/var/lib/mock/f31-build-49582-27314/root/chroot_tmpdir/scmroot/rear'...
$ git reset --hard 1bc1ad4880ea2c20447c45ef1046947ab841a158
HEAD is now at 1bc1ad4 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild