internal/rosa: create metadata alongside artifact

This enables deferring evaluation of azalea-based packages and fixes the longstanding quirk of version being disjoint from other metadata.

Signed-off-by: Ophestra <cat@gensokyo.uk>

cmd/mbf/info.go

@@ -39,14 +39,13 @@ func commandInfo(
 	t := rosa.Native().Std()
 	for i, name := range args {
 		handle := rosa.ArtifactH(unique.Make(name))
-		if meta := rosa.Native().Get(handle); meta == nil {
+		if meta, a := t.Load(handle); meta == nil {
 			return fmt.Errorf("unknown artifact %q", name)
 		} else {
 			var suffix string
 
-			a, version := t.MustLoad(handle)
-			if version != rosa.Unversioned {
-				suffix += "-" + version
+			if meta.Version != rosa.Unversioned {
+				suffix += "-" + meta.Version
 			}
 			mustPrintln("name        : " + name + suffix)
 
@@ -58,9 +57,10 @@ func commandInfo(
 			if len(meta.Dependencies) > 0 {
 				mustPrint("depends on  :")
 				for _, d := range meta.Dependencies {
-					s := rosa.Native().MustGet(d).Name
-					if _, _version := t.Load(d); _version != rosa.Unversioned {
-						s += "-" + _version
+					_meta, _ := rosa.Native().Std().MustLoad(d)
+					s := _meta.Name
+					if _meta.Version != rosa.Unversioned {
+						s += "-" + _meta.Version
 					}
 					mustPrint(" " + s)
 				}