cmd

type Command struct {
	// Name of the command
	Name string

	// UsageLine demonstrates how to use this command
	UsageLine string

	// Single line description of the purpose of the command
	Short string

	// Description of this command
	Long string

	// Run is invoked with a Context derived from the Project and arguments
	// left over after flag parsing.
	Run func(ctx *gb.Context, args []string) error

	// AddFlags installs additional flags to be parsed before Run.
	AddFlags func(fs *flag.FlagSet)

	// Allow plugins to modify arguments
	FlagParse func(fs *flag.FlagSet, args []string) error

	// ParseArgs provides an alternative method to parse arguments.
	// By default, arguments will be parsed as import paths with
	// ImportPaths
	ParseArgs func(ctx *gb.Context, cwd string, args []string) []string
}

type Context interface {
	Srcdirs() []string
	AllPackages(string) []string
}