From b8053ff61cb34cd2e962a66f49750e66d53d0ab5 Mon Sep 17 00:00:00 2001
From: Alexander Sulfrian <alexander@sulfrian.net>
Date: Fri, 17 May 2013 15:33:00 +0200
Subject: bin/hostinfo: ignore HOSTINFO_PATH if its empty

If the environment variable HOSTINFO_PATH is an empty string
it is now handled as if the variable is unset. With this you
can overwrite a global value in the shell simply with the
following command:

   HOSTINFO_PATH="" hostinfo ...
---
 bin/hostinfo | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bin/hostinfo b/bin/hostinfo
index 43fd5b4..88fe388 100755
--- a/bin/hostinfo
+++ b/bin/hostinfo
@@ -89,7 +89,7 @@ def print_help(self_name):
 def main():
     self_name = sys.argv.pop(0)
     basepath = '/usr/local/share/hostinfo'
-    if 'HOSTINFO_PATH' in os.environ:
+    if 'HOSTINFO_PATH' in os.environ and os.environ['HOSTINFO_PATH'] != '':
         basepath = os.environ['HOSTINFO_PATH']
 
     file = oneline = keys = verbose = nospaces = help = \
-- 
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