$ git clone -n https://src.fedoraproject.org/rpms/ghc-regex-base.git /var/lib/mock/f33-build-288824-54209/root/chroot_tmpdir/scmroot/ghc-regex-base
Cloning into '/var/lib/mock/f33-build-288824-54209/root/chroot_tmpdir/scmroot/ghc-regex-base'...
$ git reset --hard deb5071e4a4c152d4e5d2c616673cde18cad3ed9
HEAD is now at deb5071 - Second attempt - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild