#!/bin/bash

set -euo pipefail

DOCKER_NAME="ocaml-merlin"
OCAML_BIN_OUT="~/common/images/ocaml-merlin"

# Transforms directories to internal directories for ocaml
function transform_stdin {
	sed -e "s!$DIR!/data!g"
}
function transform_stdout {
	sed -e "s!/data!$DIR!g" | sed -e "s!/home/opam/.opam/.*/bin!$OCAML_BIN_OUT!g"
}

DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )"/.. && pwd )"
ARGS=${@}
ARGS=$(echo ${ARGS} | transform_stdin)


if [ -t 0 ] ;
then
	docker exec -it $NAME ${ARGS} ;
else
	# Replace any in-container filenames with host filesnames (stdout + stderr)
	{ cat <&0 | transform_stdin | docker exec -i $NAME ${ARGS} 2>&1 1>&3 3>&- | transform_stdout; } 3>&1 1>&2 | transform_stdout
fi