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/pkg-config.go

@@ -2,12 +2,12 @@ package rosa
 
 import "hakurei.app/internal/pkg"
 
-func (t Toolchain) newPkgConfig() (pkg.Artifact, string) {
+func (t Toolchain) newPkgConfig(s *S) (pkg.Artifact, string) {
 	const (
 		version  = "0.29.2"
 		checksum = "6UsGqEMA8EER_5b9N0b32UCqiRy39B6_RnPfvuslWhtFV1qYD4DfS10crGZN_TP2"
 	)
-	return t.NewPackage("pkg-config", version, newFromGitLab(
+	return s.NewPackage(t, "pkg-config", version, newFromGitLab(
 		"gitlab.freedesktop.org",
 		"pkg-config/pkg-config",
 		"pkg-config-"+version,
@@ -24,7 +24,7 @@ func (t Toolchain) newPkgConfig() (pkg.Artifact, string) {
 	), version
 }
 func init() {
-	artifactsM[PkgConfig] = Metadata{
+	native.MustRegister(&Artifact{
 		f: Toolchain.newPkgConfig,
 
 		Name:        "pkg-config",
@@ -32,5 +32,5 @@ func init() {
 		Website:     "https://pkgconfig.freedesktop.org/",
 
 		ID: 3649,
-	}
+	})
 }