internal/rosa: libcap artifact

Required by fakeroot. Quite refreshing to package a non-autotools project.

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

internal/rosa/all.go

@@ -46,6 +46,7 @@ const (
 	KernelSource
 	Kmod
 	LibXau
+	Libcap
 	Libexpat
 	Libiconv
 	Libpsl
@@ -171,6 +172,7 @@ func ResolveName(name string) (p PArtifact, ok bool) {
 		"kernel-source":     KernelSource,
 		"kmod":              Kmod,
 		"libXau":            LibXau,
+		"libcap":            Libcap,
 		"libexpat":          Libexpat,
 		"libiconv":          Libiconv,
 		"libpsl":            Libpsl,

internal/rosa/libcap.go

@@ -0,0 +1,40 @@
+package rosa
+
+import "hakurei.app/internal/pkg"
+
+func (t Toolchain) newLibcap() pkg.Artifact {
+	const (
+		version  = "2.77"
+		checksum = "2GOTFU4cl2QoS7Dv5wh0c9-hxsQwIzMB9Y_gfAo5xKHqcM13fiHt1RbPkfemzjmB"
+	)
+	return t.NewViaMake("libcap", version, t.NewPatchedSource(
+		"libcap", version, pkg.NewHTTPGetTar(
+			nil, "https://git.kernel.org/pub/scm/libs/libcap/libcap.git/"+
+				"snapshot/libcap-"+version+".tar.gz",
+			mustDecode(checksum),
+			pkg.TarGzip,
+		), false,
+	), &MakeAttr{
+		Writable:      true,
+		SkipConfigure: true,
+		InPlace:       true,
+
+		Env: []string{
+			"prefix=/system",
+			"lib=lib",
+		},
+		ScriptEarly: `
+ln -s ../system/bin/bash /bin/
+cd /usr/src/libcap
+`,
+		Make: []string{
+			"CC=cc",
+			"all",
+		},
+		CheckName: "test",
+	},
+		t.Load(Bash),
+		t.Load(Diffutils),
+	)
+}
+func init() { artifactsF[Libcap] = Toolchain.newLibcap }