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/strace.go

@@ -2,12 +2,12 @@ package rosa
 
 import "hakurei.app/internal/pkg"
 
-func (t Toolchain) newStrace() (pkg.Artifact, string) {
+func (t Toolchain) newStrace(s *S) (pkg.Artifact, string) {
 	const (
 		version  = "6.19"
 		checksum = "XJFJJ9XLh_1rHS3m_QNjLKzkkBAooE-QT9p9lJNNWowAmd54IJop_fI4-IFtjeeL"
 	)
-	return t.NewPackage("strace", version, pkg.NewHTTPGet(
+	return s.NewPackage(t, "strace", version, pkg.NewHTTPGet(
 		nil, "https://strace.io/files/"+version+"/strace-"+version+".tar.xz",
 		mustDecode(checksum),
 	), &PackageAttr{
@@ -37,7 +37,7 @@ sed -i 's/unsigned int msg_len;$/uint32_t msg_len;/g' \
 	), version
 }
 func init() {
-	artifactsM[Strace] = Metadata{
+	native.MustRegister(&Artifact{
 		f: Toolchain.newStrace,
 
 		Name:        "strace",
@@ -45,5 +45,5 @@ func init() {
 		Website:     "https://strace.io/",
 
 		ID: 4897,
-	}
+	})
 }