diff-highlight: use correct /dev/null for UNIX and Windows
Use File::Spec->devnull() for output redirection to avoid messages
when Windows version of Perl is first in path. The message 'The
system cannot find the path specified.' is displayed each time git is
run to get colors.
Signed-off-by: Chris. Webster <chris@webstech.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/contrib/diff-highlight/DiffHighlight.pm b/contrib/diff-highlight/DiffHighlight.pm
index 5367545..7440aa1 100644
--- a/contrib/diff-highlight/DiffHighlight.pm
+++ b/contrib/diff-highlight/DiffHighlight.pm
@@ -4,6 +4,11 @@
use warnings FATAL => 'all';
use strict;
+# Use the correct value for both UNIX and Windows (/dev/null vs nul)
+use File::Spec;
+
+my $NULL = File::Spec->devnull();
+
# Highlight by reversing foreground and background. You could do
# other things like bold or underline if you prefer.
my @OLD_HIGHLIGHT = (
@@ -134,7 +139,7 @@
# fallback, which means we will work even if git can't be run.
sub color_config {
my ($key, $default) = @_;
- my $s = `git config --get-color $key 2>/dev/null`;
+ my $s = `git config --get-color $key 2>$NULL`;
return length($s) ? $s : $default;
}
