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/curl.go

@@ -2,12 +2,12 @@ package rosa
 
 import "hakurei.app/internal/pkg"
 
-func (t Toolchain) newCurl() (pkg.Artifact, string) {
+func (t Toolchain) newCurl(s *S) (pkg.Artifact, string) {
 	const (
 		version  = "8.20.0"
 		checksum = "xyHXwrngIRGMasuzhn-I5MSCOhktwINbsWt1f_LuR-5jRVvyx_g6U1EQfDLEbr9r"
 	)
-	return t.NewPackage("curl", version, newTar(
+	return s.NewPackage(t, "curl", version, newTar(
 		"https://curl.se/download/curl-"+version+".tar.bz2",
 		checksum,
 		pkg.TarBzip2,
@@ -39,7 +39,7 @@ chmod +w tests/data && rm -f tests/data/test459
 	), version
 }
 func init() {
-	artifactsM[Curl] = Metadata{
+	native.MustRegister(&Artifact{
 		f: Toolchain.newCurl,
 
 		Name:        "curl",
@@ -52,5 +52,5 @@ func init() {
 		},
 
 		ID: 381,
-	}
+	})
 }