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/kmod.go

@@ -2,12 +2,12 @@ package rosa
 
 import "hakurei.app/internal/pkg"
 
-func (t Toolchain) newKmod() (pkg.Artifact, string) {
+func (t Toolchain) newKmod(s *S) (pkg.Artifact, string) {
 	const (
 		version  = "34.2"
 		checksum = "0K7POeTKxMhExsaTsnKAC6LUNsRSfe6sSZxWONPbOu-GI_pXOw3toU_BIoqfBhJV"
 	)
-	return t.NewPackage("kmod", version, newTar(
+	return s.NewPackage(t, "kmod", version, newTar(
 		"https://www.kernel.org/pub/linux/utils/kernel/"+
 			"kmod/kmod-"+version+".tar.gz",
 		checksum,
@@ -32,7 +32,7 @@ func (t Toolchain) newKmod() (pkg.Artifact, string) {
 	), version
 }
 func init() {
-	artifactsM[Kmod] = Metadata{
+	native.MustRegister(&Artifact{
 		f: Toolchain.newKmod,
 
 		Name:        "kmod",
@@ -46,5 +46,5 @@ func init() {
 		},
 
 		ID: 1517,
-	}
+	})
 }