From cc0621613736de966061ff63bb7dd9648b46e651 Mon Sep 17 00:00:00 2001
From: Tom Ryder <tom@sanctum.geek.nz>
Date: Fri, 25 Sep 2015 11:47:16 +1200
Subject: Simplify Bash version checks a bit more

---
 bash/bash_profile | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'bash/bash_profile')

diff --git a/bash/bash_profile b/bash/bash_profile
index 1269492e..e8762fd2 100644
--- a/bash/bash_profile
+++ b/bash/bash_profile
@@ -3,11 +3,13 @@ if [ -e "$HOME"/.profile ] ; then
     . "$HOME"/.profile
 fi
 
-# Ensure we're using at least version 2.05
+# Ensure we're using at least version 2.05. Weird arithmetic syntax needed here
+# due to leading zeroes and trailing letters in some 2.x version numbers (e.g.
+# 2.05a).
 if ! [ -n "$BASH_VERSINFO" ] ; then
     return
-elif ((BASH_VERSINFO[0] == 2)) && \
-     ((10#${BASH_VERSINFO[1]%%[![:digit:]]*} < 5)) ; then
+elif ((BASH_VERSINFO[0] == 2 && \
+     10#${BASH_VERSINFO[1]%%[![:digit:]]*} < 5)) ; then
     return
 fi
 
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