#!/bin/sh

set -e

DOCKER="${DOCKER:-%DOCKER%}"
IMAGE="${IMAGE:-%IMAGE%}"
NETWORK="${NETWORK:-host}"
USERID="${USERID:-$(id -u)}"
PROJECT_ROOT="${PROJECT_ROOT:-%PROJECT_ROOT%}"
SCRIPT_ROOT="${SCRIPT_ROOT:-"$PROJECT_ROOT/build"}"
ENTRYPOINT="${ENTRYPOINT:-%RUNCMD%}"

if [ ! -d "$SCRIPT_ROOT" ]; then
  echo "error:$0: $SCRIPT_ROOT not found; set project root (PROJECT_ROOT=)" 1>&2
  exit 1
fi

HOST_CONTAINER="${HOST_CONTAINER:-"$("$SCRIPT_ROOT/get_container_id.sh")"}" || true

RUNFLAGS='%RUNFLAGS%'

if [ -n "$HOST_CONTAINER" ]; then
  RUNFLAGS="$RUNFLAGS --volumes-from $HOST_CONTAINER"
fi

RUNFLAGS="$RUNFLAGS --network $NETWORK"

if [ -n "$CONTAINER_CGROUP_PARENT" ]; then
  RUNFLAGS="$RUNFLAGS --cgroup-parent $CONTAINER_CGROUP_PARENT"
fi

RUNFLAGS="$RUNFLAGS --workdir $PWD"

# if STDIN piped or redirected
if [ -p /dev/stdin ] || { [ ! -t 0 ] && [ ! -p /dev/stdin ]; }; then
  RUNFLAGS="$RUNFLAGS --interactive"
elif [ -t 1 ]; then
  RUNFLAGS="$RUNFLAGS --tty"
fi
  
if [ -t 0 ] && ! "$SCRIPT_ROOT/is_running_in_bg.sh" $$; then
  RUNFLAGS="$RUNFLAGS --interactive"
fi

RUNFLAGS="$RUNFLAGS --user $USERID:$USERID"

# shellcheck disable=SC2086
set -- $RUNFLAGS --entrypoint "$ENTRYPOINT" "$IMAGE" "$@"

exec "$DOCKER" run "$@"