#!/bin/bash
set -e

BUILD_IMAGE_NAME="docker-machine-build"
GOOS=${GOOS:-"darwin linux windows"}
GOARCH=${GOARCH:-"386 amd64 arm"}

# Build image for compilation if not detected
if [[ $(docker images -q ${BUILD_IMAGE_NAME} | wc -l) -ne 1 ]]; then
    docker build -t ${BUILD_IMAGE_NAME} .
fi

docker run --rm \
    -v `pwd`:/go/src/github.com/docker/machine \
    ${BUILD_IMAGE_NAME} \
    gox \
    -os "$GOOS" \
    -arch "$GOARCH" \
    -output="docker-machine_{{.OS}}-{{.Arch}}" \
    -ldflags="-w -X github.com/docker/machine/version.GitCommit `git rev-parse --short HEAD`"