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#!/bin/sh

set -e

# first arg is `-f` or `--some-option`

if [ "${1#-}" != "$1" ]; then

set -- docker-compose "$@"

# if our command is a valid Docker subcommand, let's invoke it through Docker instead

# (this allows for "docker run docker ps", etc)

if docker-compose help "$1" > /dev/null 2>&1; then

set -- docker-compose "$@"

# if we have "--link some-docker:docker" and not DOCKER_HOST, let's set DOCKER_HOST automatically

if [ -z "$DOCKER_HOST" -a "$DOCKER_PORT_2375_TCP" ]; then

export DOCKER_HOST='tcp://docker:2375'

exec "$@"