From 70e436e932d001af2d7e56514d35982434a5c239 Mon Sep 17 00:00:00 2001
From: Stephen McDowell <svenevs@users.noreply.github.com>
Date: Thu, 21 Mar 2019 03:08:29 -0700
Subject: prevent UnboundLocalError when sourcing files (#10950)

Patch extracted from #7536 courtesy of @mgsternberg
---
 lib/spack/spack/util/environment.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/spack/spack/util/environment.py b/lib/spack/spack/util/environment.py
index c7ea4d67f4..1666f4711e 100644
--- a/lib/spack/spack/util/environment.py
+++ b/lib/spack/spack/util/environment.py
@@ -542,6 +542,7 @@ class EnvironmentModifications(object):
                     search = sep.join(after_list[start:end + 1])
                 except IndexError:
                     env.prepend_path(x, after)
+                    continue
 
                 if search not in before:
                     # We just need to set the variable to the new value
-- 
cgit v1.2.3-60-g2f50