cmd/pkgserver: use IR cache for ident

This removes requirement to open full cache.

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

cmd/pkgserver/main.go

@@ -10,12 +10,9 @@ import (
 	"syscall"
 	"time"
 
-	"hakurei.app/check"
 	"hakurei.app/cmd/pkgserver/internal/ui"
 	"hakurei.app/command"
-	"hakurei.app/internal/pkg"
 	"hakurei.app/internal/rosa"
-	"hakurei.app/message"
 )
 
 const shutdownTimeout = 15 * time.Second
@@ -25,17 +22,14 @@ func main() {
 	log.SetPrefix("pkgserver: ")
 
 	var (
-		flagBaseDir string
-		flagAddr    string
+		flagAddr string
 	)
 
 	ctx, stop := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM, syscall.SIGHUP)
 	defer stop()
-	msg := message.New(log.Default())
 
 	c := command.New(os.Stderr, log.Printf, "pkgserver", func(args []string) error {
 		var (
-			cache  *pkg.Cache
 			report *rosa.Report
 		)
 		switch len(args) {
@@ -43,17 +37,8 @@ func main() {
 			break
 
 		case 1:
-			baseDir, err := check.NewAbs(flagBaseDir)
-			if err != nil {
-				return err
-			}
-
-			cache, err = pkg.Open(ctx, msg, 0, 0, 0, baseDir)
-			if err != nil {
-				return err
-			}
-			defer cache.Close()
-
+			var err error
+			rosa.DropCaches(rosa.OptLLVMNoLTO)
 			report, err = rosa.OpenReport(args[0])
 			if err != nil {
 				return err
@@ -61,12 +46,11 @@ func main() {
 
 		default:
 			return errors.New("pkgserver requires 1 argument")
-
 		}
 
 		var index packageIndex
 		index.search = make(searchCache)
-		if err := index.populate(cache, report); err != nil {
+		if err := index.populate(report); err != nil {
 			return err
 		}
 		ticker := time.NewTicker(1 * time.Minute)
@@ -98,10 +82,6 @@ func main() {
 		}()
 		return server.ListenAndServe()
 	}).Flag(
-		&flagBaseDir,
-		"b", command.StringFlag(""),
-		"base directory for cache",
-	).Flag(
 		&flagAddr,
 		"addr", command.StringFlag(":8067"),
 		"TCP network address to listen on",