$ git clone -n https://src.fedoraproject.org/rpms/ghc-old-time.git /var/lib/mock/f33-build-288474-54116/root/chroot_tmpdir/scmroot/ghc-old-time
Cloning into '/var/lib/mock/f33-build-288474-54116/root/chroot_tmpdir/scmroot/ghc-old-time'...
$ git reset --hard ff68194d2fd4da9c39c45b5de5d8cd5d640a9a0f
HEAD is now at ff68194 - Second attempt - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild