Merge "Allow specifying sub-dir in sbox output" into main

// OutputDir adds the output directory to the command line. This is only available when used with RuleBuilder.Sbox,

// and will be the temporary output directory managed by sbox, not the final one.

func (c *RuleBuilderCommand) OutputDir() *RuleBuilderCommand {

func (c *RuleBuilderCommand) OutputDir(subPathComponents ...string) *RuleBuilderCommand {

	if !c.rule.sbox {

		panic("OutputDir only valid with Sbox")

	}

	return c.Text(sboxOutDir)

	path := sboxOutDir

	if len(subPathComponents) > 0 {

		path = filepath.Join(append([]string{sboxOutDir}, subPathComponents...)...)

	}

	return c.Text(path)

}

// DepFile adds the specified depfile path to the paths returned by RuleBuilder.DepFiles and adds it to the command