$ git clone -n https://src.fedoraproject.org/rpms/rc.git /var/lib/mock/f31-build-76521-31426/root/chroot_tmpdir/scmroot/rc
Cloning into '/var/lib/mock/f31-build-76521-31426/root/chroot_tmpdir/scmroot/rc'...
$ git reset --hard 02adaa9bfbf7f016ae548d70088335a9a7a6a4cf
HEAD is now at 02adaa9 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild