$ git clone -n https://src.fedoraproject.org/rpms/ghc-free.git /var/lib/mock/f33-build-139351-42341/root/chroot_tmpdir/scmroot/ghc-free
Cloning into '/var/lib/mock/f33-build-139351-42341/root/chroot_tmpdir/scmroot/ghc-free'...
$ git reset --hard 424131f89d6f9374bd3095445ab2ceb3f34f32c0
HEAD is now at 424131f update to 5.1.3