[PATCH 6/9 v6] difftool: eliminate setup_environment function

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Removing this function shortens the code and makes it easier to read.
Now all environment variables are set as part of procedural operation.

Signed-off-by: Tim Henigan <tim.henigan@xxxxxxxxx>
---
 git-difftool.perl |    9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/git-difftool.perl b/git-difftool.perl
index 493260d..d4fe998 100755
--- a/git-difftool.perl
+++ b/git-difftool.perl
@@ -29,12 +29,6 @@ USAGE
 	exit($exitcode);
 }
 
-sub setup_environment
-{
-	$ENV{GIT_PAGER} = '';
-	$ENV{GIT_EXTERNAL_DIFF} = 'git-difftool--helper';
-}
-
 # parse command-line options. all unrecognized options and arguments
 # are passed through to the 'git diff' command.
 my ($difftool_cmd, $extcmd, $gui, $help, $prompt);
@@ -79,7 +73,8 @@ if (defined($prompt)) {
 	}
 }
 
-setup_environment();
+$ENV{GIT_PAGER} = '';
+$ENV{GIT_EXTERNAL_DIFF} = 'git-difftool--helper';
 my @command = ('git', 'diff', @ARGV);
 
 # ActiveState Perl for Win32 does not implement POSIX semantics of
-- 
1.7.10.rc1.36.g15e879

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