#!@bash@
##
##  docker-compose -- run docker-compose in a container
##

set -e

#   setup options for connecting to Docker host
if [ -z "$DOCKER_HOST" ]; then
    DOCKER_HOST="/var/run/docker.sock"
fi
if [ -S "$DOCKER_HOST" ]; then
    DOCKER_ADDR="-v $DOCKER_HOST:$DOCKER_HOST -e DOCKER_HOST"
else
    DOCKER_ADDR="-e DOCKER_HOST -e DOCKER_TLS_VERIFY -e DOCKER_CERT_PATH"
fi

#   setup volume mounts for compose config and context
if [ "$(pwd)" != '/' ]; then
    VOLUMES="-v $(pwd):$(pwd)"
fi
if [ -n "$COMPOSE_FILE" ]; then
    COMPOSE_OPTIONS="$COMPOSE_OPTIONS -e COMPOSE_FILE=$COMPOSE_FILE"
    compose_dir=$(sealpath $(dirname $COMPOSE_FILE))
fi
if [ -n "$compose_dir" ]; then
    VOLUMES="$VOLUMES -v $compose_dir:$compose_dir"
fi
if [ -n "$HOME" ]; then
    VOLUMES="$VOLUMES -v $HOME:$HOME -v $HOME:/root"
fi

#   only allocate tty if we detect one
if [ -t 0 ]; then
    if [ -t 1 ]; then
        DOCKER_RUN_OPTIONS="$DOCKER_RUN_OPTIONS -t"
    fi
else
    DOCKER_RUN_OPTIONS="$DOCKER_RUN_OPTIONS -i"
fi

#   handle userns security
if [ ! -z "$(docker info 2>/dev/null | grep userns)" ]; then
    DOCKER_RUN_OPTIONS="$DOCKER_RUN_OPTIONS --userns=host"
fi

exec @l_prefix@/bin/docker \
    run \
    --rm \
    $DOCKER_RUN_OPTIONS \
    $DOCKER_ADDR \
    $COMPOSE_OPTIONS \
    $VOLUMES \
    -w "$(pwd)" \
    docker/compose:@version@ \
    "$@"