package tplCmd

import (
	`os`
	`os/exec`
)

/*
	ToCmd returns an (os/)exec.Cmd from a Cmd.

	err will always be nil for now, but is still returned and should be handled
	for future-proofing.
*/
func (c *Cmd) ToCmd() (cmd *exec.Cmd, err error) {

	var envs []string

	if c.Args != nil && len(c.Args) > 0 {
		cmd = exec.Command(c.Program, c.Args...)
	} else {
		cmd = exec.Command(c.Program)
	}

	if !c.IsolateEnv {
		envs = os.Environ()
	}
	if c.EnvVars != nil && len(c.EnvVars) > 0 {
		envs = append(envs, c.EnvVars...)
	}

	cmd.Env = envs

	return
}