internal/rosa: key metadata by string

For upcoming azalea integration. The API is quite ugly right now to ease migration.

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

internal/rosa/ncurses.go

@@ -2,12 +2,12 @@ package rosa
 
 import "hakurei.app/internal/pkg"
 
-func (t Toolchain) newNcurses() (pkg.Artifact, string) {
+func (t Toolchain) newNcurses(s *S) (pkg.Artifact, string) {
 	const (
 		version  = "6.6"
 		checksum = "XvWp4xi6hR_hH8XUoGY26L_pqBSDapJYulhzZqPuR0KNklqypqNc1yNXU-nOjf5w"
 	)
-	return t.NewPackage("ncurses", version, newTar(
+	return s.NewPackage(t, "ncurses", version, newTar(
 		"https://ftpmirror.gnu.org/gnu/ncurses/ncurses-"+version+".tar.gz",
 		checksum,
 		pkg.TarGzip,
@@ -26,7 +26,7 @@ func (t Toolchain) newNcurses() (pkg.Artifact, string) {
 	), version
 }
 func init() {
-	artifactsM[Ncurses] = Metadata{
+	native.MustRegister(&Artifact{
 		f: Toolchain.newNcurses,
 
 		Name:        "ncurses",
@@ -34,5 +34,5 @@ func init() {
 		Website:     "https://invisible-island.net/ncurses/",
 
 		ID: 373226,
-	}
+	})
 }