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/libcap.go

@@ -2,7 +2,7 @@ package rosa
 
 import "hakurei.app/internal/pkg"
 
-func (t Toolchain) newLibcap() pkg.Artifact {
+func (t Toolchain) newLibcap() (pkg.Artifact, string) {
 	const (
 		version  = "2.77"
 		checksum = "2GOTFU4cl2QoS7Dv5wh0c9-hxsQwIzMB9Y_gfAo5xKHqcM13fiHt1RbPkfemzjmB"
@@ -39,6 +39,14 @@ ln -s ../system/bin/bash /bin/
 	},
 		Bash,
 		Diffutils,
-	)
+	), version
+}
+func init() {
+	artifactsM[Libcap] = Metadata{
+		f: Toolchain.newLibcap,
+
+		Name:        "libcap",
+		Description: "a library for getting and setting POSIX.1e draft 15 capabilities",
+		Website:     "https://sites.google.com/site/fullycapable/",
+	}
 }
-func init() { artifactsF[Libcap] = Toolchain.newLibcap }