From a0bd0b37822999f87786d670529624594c82b0a8 Mon Sep 17 00:00:00 2001
From: Eric <ericbmerritt@gmail.com>
Date: Mon, 31 Dec 2012 15:19:18 -0500
Subject: fix bug in goalless configs

---
 src/rcl_prv_release.erl | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

(limited to 'src/rcl_prv_release.erl')

diff --git a/src/rcl_prv_release.erl b/src/rcl_prv_release.erl
index 66f4e11..8a86e02 100644
--- a/src/rcl_prv_release.erl
+++ b/src/rcl_prv_release.erl
@@ -47,6 +47,8 @@ do(State) ->
     find_default_release(State, DepGraph).
 
 -spec format_error(ErrorDetail::term()) -> iolist().
+format_error(no_goals_specified) ->
+    "No goals specified for this release ~n";
 format_error({no_release_name, Vsn}) ->
     io_lib:format("A target release version was specified (~s) but no name", [Vsn]);
 format_error({invalid_release_info, Info}) ->
@@ -151,11 +153,16 @@ solve_release(State0, DepGraph, RelName, RelVsn) ->
     try
         Release = rcl_state:get_release(State0, RelName, RelVsn),
         Goals = rcl_release:goals(Release),
-        case rcl_depsolver:solve(DepGraph, Goals) of
-            {ok, Pkgs} ->
-                set_resolved(State0, Release, Pkgs);
-            {error, Error} ->
-                ?RCL_ERROR({failed_solve, Error})
+        case Goals of
+            [] ->
+                ?RCL_ERROR(no_goals_specified);
+            _ ->
+                case rcl_depsolver:solve(DepGraph, Goals) of
+                    {ok, Pkgs} ->
+                        set_resolved(State0, Release, Pkgs);
+                    {error, Error} ->
+                        ?RCL_ERROR({failed_solve, Error})
+                end
         end
     catch
         throw:not_found ->
-- 
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