builder.go

// This file is part of arduino-cli.
//
// Copyright 2019 ARDUINO SA (http://www.arduino.cc/)
//
// This software is released under the GNU General Public License version 3,
// which covers the main part of arduino-cli.
// The terms of this license can be found at:
// https://www.gnu.org/licenses/gpl-3.0.en.html
//
// You can be released from the requirements of the above licenses by purchasing
// a commercial license. Buying such a license is mandatory if you want to modify or
// otherwise use the software for commercial activities involving the Arduino
// software without disclosing the source code of your own applications. To purchase
// a commercial license, send an email to license@arduino.cc.

package builder

import (
	"crypto/md5"
	"encoding/hex"
	"os"
	"path/filepath"
	"strings"

	"github.com/pkg/errors"
)

// GenBuildPath generates a suitable name for the build folder
func GenBuildPath(sketchPath string) string {
	md5SumBytes := md5.Sum([]byte(sketchPath))
	md5Sum := strings.ToUpper(hex.EncodeToString(md5SumBytes[:]))

	return filepath.Join(os.TempDir(), "arduino-sketch-"+md5Sum)
}

// EnsureBuildPathExists creates the build path if doesn't already exists.
func EnsureBuildPathExists(path string) error {
	if err := os.MkdirAll(path, os.FileMode(0755)); err != nil {
		return errors.Wrap(err, "unable to create build path")
	}
	return nil
}