$ git clone -n https://src.fedoraproject.org/rpms/ghc-fclabels.git /var/lib/mock/f33-build-182286-45322/root/chroot_tmpdir/scmroot/ghc-fclabels
Cloning into '/var/lib/mock/f33-build-182286-45322/root/chroot_tmpdir/scmroot/ghc-fclabels'...
$ git reset --hard 3c6e6b905b668750363f2e2a86b1b26495ecb08f
HEAD is now at 3c6e6b9 update to 2.0.4