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/libucontext.go

@@ -2,7 +2,7 @@ package rosa
 
 import "hakurei.app/internal/pkg"
 
-func (t Toolchain) newLibucontext() pkg.Artifact {
+func (t Toolchain) newLibucontext() (pkg.Artifact, string) {
 	const (
 		version  = "1.5"
 		checksum = "Ggk7FMmDNBdCx1Z9PcNWWW6LSpjGYssn2vU0GK5BLXJYw7ZxZbA2m_eSgT9TFnIG"
@@ -25,6 +25,14 @@ func (t Toolchain) newLibucontext() pkg.Artifact {
 			"ARCH=" + linuxArch(),
 		},
 		Install: "make prefix=/system DESTDIR=/work install",
-	})
+	}), version
+}
+func init() {
+	artifactsM[Libucontext] = Metadata{
+		f: Toolchain.newLibucontext,
+
+		Name:        "libucontext",
+		Description: "ucontext implementation featuring glibc-compatible ABI",
+		Website:     "https://github.com/kaniini/libucontext/",
+	}
 }
-func init() { artifactsF[Libucontext] = Toolchain.newLibucontext }