internal/rosa: provide package metadata

This had to be done out-of-band because there was no way to efficiently represent these within Artifact.

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

internal/rosa/go.go

@@ -62,7 +62,7 @@ ln -s \
 	)))
 }
 
-func (t Toolchain) newGoLatest() pkg.Artifact {
+func (t Toolchain) newGoLatest() (pkg.Artifact, string) {
 	var (
 		bootstrapEnv   []string
 		bootstrapExtra []pkg.Artifact
@@ -153,9 +153,13 @@ rm \
 `, go123,
 	)
 
+	const (
+		version  = "1.26.0"
+		checksum = "uHLcrgBc0NMcyTMDLRNAZIcOx0RyQlyekSl9xbWSwj3esEFWJysYLfLa3S8p39Nh"
+	)
 	return t.newGo(
-		"1.26.0",
-		"uHLcrgBc0NMcyTMDLRNAZIcOx0RyQlyekSl9xbWSwj3esEFWJysYLfLa3S8p39Nh",
+		version,
+		checksum,
 		finalEnv, `
 sed -i \
 	's,/lib/ld-musl-`+linuxArch()+`.so.1,/system/bin/linker,' \
@@ -164,6 +168,14 @@ sed -i \
 rm \
 	os/root_unix_test.go
 `, go125,
-	)
+	), version
+}
+func init() {
+	artifactsM[Go] = Metadata{
+		f: Toolchain.newGoLatest,
+
+		Name:        "go",
+		Description: "the Go programming language toolchain",
+		Website:     "https://go.dev/",
+	}
 }
-func init() { artifactsF[Go] = Toolchain.newGoLatest }