From 259ffe00620ae8dd0cbfd5313024107e59f96ffc Mon Sep 17 00:00:00 2001
From: Ivan Tashkinov <ivant.business@gmail.com>
Date: Fri, 21 Jun 2019 17:19:29 +0300
Subject: [PATCH] Fixed branch name substitutions for mix version (to comply to
 SemVer format).

---
 mix.exs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mix.exs b/mix.exs
index 30584cc92..0981ee856 100644
--- a/mix.exs
+++ b/mix.exs
@@ -212,7 +212,7 @@ defp version(version) do
            true <- branch_name != "master" do
         branch_name =
           String.trim(branch_name)
-          |> String.replace(~r/[\W_]+/, "-")
+          |> String.replace(~r/[^0-9a-z\-\.]+/i, "-")
 
         "-" <> branch_name
       end