xxx component/v8: use version

component/v8/buildout.cfg

@@ -22,7 +22,7 @@ script =
   env["PATH"] = "${depot_tools:location}:${git:location}/bin" + (":" + env["PATH"] if env.get("PATH") else "")
   call(["gclient"], env=env, cwd=location__compile__)
   call(["fetch", "v8"], env=env, cwd=location__compile__)
-  call(["gclient", "sync", "-r", "4.10.253"], env=env, cwd=location__compile__)
+  call(["gclient", "sync", "-r", "${:version}"], env=env, cwd=location__compile__)
   #call(["gn", "args", "out.gn/slapos"], env=env, cwd=location__compile__v8)
   #call(["ninja", "-C", "out.gn/slapos"], env=env, cwd=location__compile__v8)
   call(["git", "apply", v8_patch_location], env=env, cwd=location__compile__v8)