portainer/portainer

package utils

import (
    "os"
    "os/exec"
    "path"
    "runtime"

    "github.com/pkg/errors"
)

func osProgram(program string) string {
    if runtime.GOOS == "windows" {
        program += ".exe"
    }
    return program
}

func ProgramPath(rootPath, program string) string {
    return path.Join(rootPath, osProgram(program))
}

// IsBinaryPresent check if docker compose binary is present
func IsBinaryPresent(program string) bool {
    _, err := exec.LookPath(program)
    return err == nil
}

// Copy copies sourcePath to destinationPath
func Copy(sourcePath, destinationPath string) error {
    si, err := os.Stat(sourcePath)
    if err != nil {
        return errors.WithMessage(err, "file check failed")
    }

    input, err := os.ReadFile(sourcePath)
    if err != nil {
        return errors.WithMessage(err, "failed reading file")
    }

    err = os.WriteFile(destinationPath, input, si.Mode())
    if err != nil {
        return errors.WithMessage(err, "failed writing file")
    }

    return nil
}

// Move sourcePath to destinationPath
func Move(sourcePath, destinationPath string) error {
    if err := Copy(sourcePath, destinationPath); err != nil {
        return err
    }

    if err := os.Remove(sourcePath); err != nil {
        return err
    }

    return nil
}