hexec

var WithContext = func(ctx context.Context) func(c *commandeer) {
	return func(c *commandeer) {
		c.ctx = ctx
	}
}

var WithDir = func(dir string) func(c *commandeer) {
	return func(c *commandeer) {
		c.dir = dir
	}
}

var WithEnviron = func(env []string) func(c *commandeer) {
	return func(c *commandeer) {
		setOrAppend := func(s string) {
			k1, _ := config.SplitEnvVar(s)
			var found bool
			for i, v := range c.env {
				k2, _ := config.SplitEnvVar(v)
				if k1 == k2 {
					found = true
					c.env[i] = s
				}
			}

			if !found {
				c.env = append(c.env, s)
			}
		}

		for _, s := range env {
			setOrAppend(s)
		}
	}
}

var WithStderr = func(w io.Writer) func(c *commandeer) {
	return func(c *commandeer) {
		c.stderr = w
	}
}

var WithStdin = func(r io.Reader) func(c *commandeer) {
	return func(c *commandeer) {
		c.stdin = r
	}
}

var WithStdout = func(w io.Writer) func(c *commandeer) {
	return func(c *commandeer) {
		c.stdout = w
	}
}