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/bzip2.go

@@ -2,7 +2,7 @@ package rosa
 
 import "hakurei.app/internal/pkg"
 
-func (t Toolchain) newBzip2() pkg.Artifact {
+func (t Toolchain) newBzip2() (pkg.Artifact, string) {
 	const (
 		version  = "1.0.8"
 		checksum = "cTLykcco7boom-s05H1JVsQi1AtChYL84nXkg_92Dm1Xt94Ob_qlMg_-NSguIK-c"
@@ -23,6 +23,14 @@ func (t Toolchain) newBzip2() pkg.Artifact {
 			"CC=cc",
 		},
 		Install: "make PREFIX=/work/system install",
-	})
+	}), version
+}
+func init() {
+	artifactsM[Bzip2] = Metadata{
+		f: Toolchain.newBzip2,
+
+		Name:        "bzip2",
+		Description: "a freely available, patent free, high-quality data compressor",
+		Website:     "https://sourceware.org/bzip2/",
+	}
 }
-func init() { artifactsF[Bzip2] = Toolchain.newBzip2 }