difftool: remove explicit change of PATH

Adding the script directory to PATH is not needed. The script is
located at '$(git --exec-path)', which is already on the PATH.

Signed-off-by: Tim Henigan <tim.henigan@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/git-difftool.perl b/git-difftool.perl
index 4555cd8b1c5b8cda4527b328b858a015ac75d357..a399f3d2a23ea69f8e84f31070e00aeb4845dc32 100755 (executable)
--- a/git-difftool.perl
+++ b/git-difftool.perl
@@ -13,8 +13,6 @@
 use 5.008;
 use strict;
 use warnings;
-use Cwd qw(abs_path);
-use File::Basename qw(dirname);
 use Getopt::Long qw(:config pass_through);
 use Git;
 
@@ -33,8 +31,6 @@ USAGE
 
 sub setup_environment
 {
-       my $DIR = abs_path(dirname($0));
-       $ENV{PATH} = "$DIR:$ENV{PATH}";
        $ENV{GIT_PAGER} = '';
        $ENV{GIT_EXTERNAL_DIFF} = 'git-difftool--helper';
 }