#!/bin/sh

set -e

DOCKER="${DOCKER:-%DOCKER%}"
IMAGE="${IMAGE:-%IMAGE%}"
NETWORK="${NETWORK:-host}"
PROJECT_ROOT="${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

set -- --entrypoint "$ENTRYPOINT" "$IMAGE" "$@"
set -- --network "$NETWORK" --workdir "$PWD" "$@"

if [ -n "$USERID" ]; then
  set -- --user "$USERID:$USERID" "$@"
fi

if [ -n "$PID" ]; then
  set -- --pid "$PID" "$@"
fi

if [ -n "$CONTAINER_CGROUP_PARENT" ]; then
  set -- --cgroup-parent "$CONTAINER_CGROUP_PARENT" "$@"
fi

HOST_CONTAINER="${HOST_CONTAINER:-"$("$SCRIPT_ROOT/get_container_id.sh")"}" || true
if [ -n "$HOST_CONTAINER" ]; then
  set --  --volumes-from "$HOST_CONTAINER" "$@"
fi

set -- %RUNFLAGS% "$@"

if [ -t 0 ] && ! "$SCRIPT_ROOT/is_running_in_bg.sh" $$; then
  set -- --interactive "$@"
fi

# if STDIN piped or redirected
if [ -p /dev/stdin ] || { [ ! -t 0 ] && [ ! -p /dev/stdin ]; }; then
  set -- --interactive "$@"
elif [ -t 1 ]; then
  set -- --tty "$@"
fi

set -- --rm "$@"

exec "$DOCKER" run "$@"