internal/rosa: evaluate packages late

This also enables concurrent evaluation.

Signed-off-by: Ophestra <cat@gensokyo.uk>

cmd/mbf/main.go

@@ -84,15 +84,15 @@ func main() {
 		flagArch  string
 		flagCheck bool
 		flagLTO   bool
-		flagET    bool
+		flagPT    bool
 
 		flagCrossOverride int
 
 		addr net.UnixAddr
 	)
 	c := command.New(os.Stderr, log.Printf, "mbf", func([]string) error {
-		if flagET {
-			log.Println("evaluated in", rosa.EvalTime())
+		if flagPT {
+			log.Println("parsed in", rosa.ParseTime())
 		}
 
 		msg.SwapVerbose(!flagQuiet)
@@ -189,9 +189,9 @@ func main() {
 		"socket", command.StringFlag("$MBF_DAEMON_SOCKET"),
 		"Pathname of socket to bind to",
 	).Flag(
-		&flagET,
-		"eval-time", command.BoolFlag(false),
-		"Print duration of the initial azalea evaluation",
+		&flagPT,
+		"parse-time", command.BoolFlag(false),
+		"Print duration of the initial azalea parse",
 	)
 
 	c.NewCommand(