$ git clone -n https://src.fedoraproject.org/rpms/gc.git /var/lib/mock/f33-build-309586-57248/root/chroot_tmpdir/scmroot/gc
Cloning into '/var/lib/mock/f33-build-309586-57248/root/chroot_tmpdir/scmroot/gc'...
$ git reset --hard f9d728c21a87f0d029b4d5e358d7b058119a900c
HEAD is now at f9d728c - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild