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/libxslt.go

@@ -6,7 +6,7 @@ import (
 	"hakurei.app/internal/pkg"
 )
 
-func (t Toolchain) newLibxslt() pkg.Artifact {
+func (t Toolchain) newLibxslt() (pkg.Artifact, string) {
 	const (
 		version  = "1.1.45"
 		checksum = "vw72UbREQnA3YDYuZ9-93hDr9BYCaKV6oh_U4Kt4n1Js_na4E-nFj-ksZnZ0kvEK"
@@ -27,6 +27,14 @@ func (t Toolchain) newLibxslt() pkg.Artifact {
 		PkgConfig,
 
 		Libxml2,
-	)
+	), version
+}
+func init() {
+	artifactsM[Libxslt] = Metadata{
+		f: Toolchain.newLibxslt,
+
+		Name:        "libxslt",
+		Description: "an XSLT processor based on libxml2",
+		Website:     "https://gitlab.gnome.org/GNOME/libxslt/",
+	}
 }
-func init() { artifactsF[Libxslt] = Toolchain.newLibxslt }