cmd/pkgserver: use IR cache for ident

This removes requirement to open full cache.

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

cmd/pkgserver/index.go

@@ -50,7 +50,7 @@ type metadata struct {
 }
 
 // populate deterministically populates packageIndex, optionally with a report.
-func (index *packageIndex) populate(cache *pkg.Cache, report *rosa.Report) (err error) {
+func (index *packageIndex) populate(report *rosa.Report) (err error) {
 	if report != nil {
 		defer report.HandleAccess(&err)()
 		index.handleAccess = report.HandleAccess
@@ -58,6 +58,7 @@ func (index *packageIndex) populate(cache *pkg.Cache, report *rosa.Report) (err
 
 	var work [rosa.PresetUnexportedStart]*metadata
 	index.names = make(map[string]*metadata)
+	ir := pkg.NewIR()
 	for p := range rosa.PresetUnexportedStart {
 		m := metadata{
 			p: p,
@@ -72,8 +73,8 @@ func (index *packageIndex) populate(cache *pkg.Cache, report *rosa.Report) (err
 			m.Version = ""
 		}
 
-		if cache != nil && report != nil {
-			id := cache.Ident(rosa.Std.Load(p))
+		if report != nil {
+			id := ir.Ident(rosa.Std.Load(p))
 			m.ids = pkg.Encode(id.Value())
 			m.status, m.Size = report.ArtifactOf(id)
 			m.HasReport = m.Size >= 0

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
 	)
 
 	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",