From: Iain Patterson <me@iain.cx>
Date: Mon, 2 Feb 2015 16:51:41 +0000 (+0000)
Subject: Avoid bash 4 code.
X-Git-Url: http://git.iain.cx/?a=commitdiff_plain;h=a341d6bfb585c2b07660b793b37a13ce781e79d3;p=profile.git

Avoid bash 4 code.

Before bash 4 we can't use ^^ or ,, to transform to upper or lowercase.
Use tr instead.
---

diff --git a/.profile.d/git-commit-tree.bashrc b/.profile.d/git-commit-tree.bashrc
index 37ec8eb..f1aca2c 100644
--- a/.profile.d/git-commit-tree.bashrc
+++ b/.profile.d/git-commit-tree.bashrc
@@ -1,11 +1,11 @@
 # Set GIT_AUTHOR_NAME etc from dotfiles in the profile.
 function git_commit_tree() {
   local WHO=$1; shift
-  local who=${WHO,,}
+  local who="$(echo $WHO | tr '[[:upper:]]' '[[:lower:]]')"
   local WHAT=
 
   for WHAT in EMAIL NAME; do
-    local what=${WHAT,,}
+    local what="$(echo $WHAT | tr '[[:upper:]]' '[[:lower:]]')"
     local where=
 
     # Look in $HOME then $PROFILE_HOME.