$ git clone -n https://src.fedoraproject.org/rpms/ghc-esqueleto.git /var/lib/mock/f31-build-111423-34161/root/chroot_tmpdir/scmroot/ghc-esqueleto
Cloning into '/var/lib/mock/f31-build-111423-34161/root/chroot_tmpdir/scmroot/ghc-esqueleto'...
$ git reset --hard ed7a2693a4a687449935bd3352680d8082c6c600
HEAD is now at ed7a269 really undefine with_haddock