$ git clone -n https://src.fedoraproject.org/rpms/ghc-dotgen.git /var/lib/mock/f31-build-54286-27985/root/chroot_tmpdir/scmroot/ghc-dotgen
Cloning into '/var/lib/mock/f31-build-54286-27985/root/chroot_tmpdir/scmroot/ghc-dotgen'...
$ git reset --hard 0f3dcf9fb73a056234ed1496efb8ed88f4e15725
HEAD is now at 0f3dcf9 refresh to cabal-rpm-0.13