From 80e9aae16c48fc2c60ac763718211821ab9d5881 Mon Sep 17 00:00:00 2001
From: Tristan Sloughter <t@crashfast.com>
Date: Mon, 16 Mar 2015 14:17:20 -0500
Subject: handle bad package version with error message

---
 src/rebar_prv_install_deps.erl | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/rebar_prv_install_deps.erl b/src/rebar_prv_install_deps.erl
index 48402da..59acb54 100644
--- a/src/rebar_prv_install_deps.erl
+++ b/src/rebar_prv_install_deps.erl
@@ -97,6 +97,8 @@ do(State) ->
     end.
 
 -spec format_error(any()) -> iolist().
+format_error({bad_constraint, Name, Constraint}) ->
+    io_lib:format("Unable to parse version for package ~s: ~s", [Name, Constraint]);
 format_error({parse_dep, Dep}) ->
     io_lib:format("Failed parsing dep ~p", [Dep]);
 format_error({missing_package, Package, Version}) ->
@@ -510,7 +512,7 @@ parse_goal(Name, Constraint) ->
         {match, [Op, Vsn]} ->
             {Name, Vsn, binary_to_atom(Op, utf8)};
         nomatch ->
-            fail
+            throw(?PRV_ERROR({bad_constraint, Name, Constraint}))
     end.
 
 warn_skip_deps(AppInfo, State) ->
-- 
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