$ git clone -n https://src.fedoraproject.org/rpms/ghc-unix-compat.git /var/lib/mock/f33-build-289459-54331/root/chroot_tmpdir/scmroot/ghc-unix-compat
Cloning into '/var/lib/mock/f33-build-289459-54331/root/chroot_tmpdir/scmroot/ghc-unix-compat'...
$ git reset --hard b81d339e6241a1370c310b6fdcf5c95e699f9b62
HEAD is now at b81d339 - Second attempt - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild