using dep 0.5

Gopkg.lock

@@ -2,20 +2,27 @@
 
 
 [[projects]]
+  digest = "1:40e195917a951a8bf867cd05de2a46aaf1806c50cf92eebf4c16f78cd196f747"
   name = "github.com/pkg/errors"
   packages = ["."]
+  pruneopts = "UT"
   revision = "645ef00459ed84a119197bfb8d8205042c6df63d"
   version = "v0.8.0"
 
 [[projects]]
+  digest = "1:b24d38b282bacf9791408a080f606370efa3d364e4b5fd9ba0f7b87786d3b679"
   name = "github.com/urfave/cli"
   packages = ["."]
+  pruneopts = "UT"
   revision = "cfb38830724cc34fedffe9a2a29fb54fa9169cd1"
   version = "v1.20.0"
 
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  inputs-digest = "28e40bf4884feea380a4b1053274ed222e42a29ac274a1f998fb48da777b1295"
+  input-imports = [
+    "github.com/pkg/errors",
+    "github.com/urfave/cli",
+  ]
   solver-name = "gps-cdcl"
   solver-version = 1

Gopkg.toml

@@ -25,6 +25,10 @@
 #   unused-packages = true
 
 
+[[constraint]]
+  name = "github.com/pkg/errors"
+  version = "0.8.0"
+
 [[constraint]]
   name = "github.com/urfave/cli"
   version = "1.20.0"