From 11fa012cdaea031c1fea34bcad49b6c6cbe2eedf Mon Sep 17 00:00:00 2001
From: Tristan Sloughter <t@crashfast.com>
Date: Sat, 18 Oct 2014 12:20:46 -0500
Subject: fix function defs for function that take vsn(), which can be an atom

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

(limited to 'src/rlx_depsolver.erl')

diff --git a/src/rlx_depsolver.erl b/src/rlx_depsolver.erl
index f9dc73d..fd26145 100644
--- a/src/rlx_depsolver.erl
+++ b/src/rlx_depsolver.erl
@@ -269,7 +269,7 @@ parse_version(RawVsn)
        erlang:is_binary(RawVsn) ->
     ec_semver:parse(RawVsn);
 parse_version(Vsn)
-  when erlang:is_tuple(Vsn) ->
+  when erlang:is_tuple(Vsn) ; erlang:is_atom(Vsn) ->
     Vsn.
 
 %% @doc check that a specified constraint is a valid constraint.
@@ -351,6 +351,8 @@ format_culprits(Culprits) ->
 
 %% @doc A formatted version tuple
 -spec format_version(vsn()) -> iolist().
+format_version('NO_VSN') ->
+    "";
 format_version(Version) ->
     rlx_depsolver_culprit:format_version(Version).
 
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