$ git clone -n https://src.fedoraproject.org/rpms/ghc-HTTP.git /var/lib/mock/f40-build-744034-111531/root/chroot_tmpdir/scmroot/ghc-HTTP
Cloning into '/var/lib/mock/f40-build-744034-111531/root/chroot_tmpdir/scmroot/ghc-HTTP'...
$ git reset --hard 271417239afae2a1c39dd4121690c5f81252f3f2
HEAD is now at 2714172 revised .cabal file