$ git clone -n https://src.fedoraproject.org/rpms/ghc-reflection.git /var/lib/mock/f33-build-124905-39747/root/chroot_tmpdir/scmroot/ghc-reflection
Cloning into '/var/lib/mock/f33-build-124905-39747/root/chroot_tmpdir/scmroot/ghc-reflection'...
$ git reset --hard c5ef0cdce729170bc259a0d10bca40d3682a6d8f
HEAD is now at c5ef0cd update to 2.1.5