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/argp-standalone.go

@@ -2,12 +2,12 @@ package rosa
 
 import "hakurei.app/internal/pkg"
 
-func (t Toolchain) newArgpStandalone() (pkg.Artifact, string) {
+func (t Toolchain) newArgpStandalone(s *S) (pkg.Artifact, string) {
 	const (
 		version  = "1.3"
 		checksum = "vtW0VyO2pJ-hPyYmDI2zwSLS8QL0sPAUKC1t3zNYbwN2TmsaE-fADhaVtNd3eNFl"
 	)
-	return t.NewPackage("argp-standalone", version, newTar(
+	return s.NewPackage(t, "argp-standalone", version, newTar(
 		"http://www.lysator.liu.se/~nisse/misc/"+
 			"argp-standalone-"+version+".tar.gz",
 		checksum,
@@ -26,11 +26,11 @@ install -D -m755 libargp.a /work/system/lib/libargp.a
 	), version
 }
 func init() {
-	artifactsM[ArgpStandalone] = Metadata{
+	native.MustRegister(&Artifact{
 		f: Toolchain.newArgpStandalone,
 
 		Name:        "argp-standalone",
 		Description: "hierarchical argument parsing library broken out from glibc",
 		Website:     "http://www.lysator.liu.se/~nisse/misc/",
-	}
+	})
 }