From b3df50ef7ed4bc7f48881192bc4f8c103331904d Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Mon, 26 Dec 2016 03:04:08 +0000
Subject: repobrowse: avoid empty pathspecs for future git compatibility

At the moment, we always set expath, so it will always be
defined.
---
 lib/PublicInbox/RepobrowseGitDiff.pm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/PublicInbox/RepobrowseGitDiff.pm b/lib/PublicInbox/RepobrowseGitDiff.pm
index d65973c1..4ed4d02e 100644
--- a/lib/PublicInbox/RepobrowseGitDiff.pm
+++ b/lib/PublicInbox/RepobrowseGitDiff.pm
@@ -28,7 +28,7 @@ sub call_git_diff {
 			--no-notes --no-color -M -B -D -r),
 			$id2, $id, '--');
 	my $expath = $req->{expath};
-	push @cmd, $expath if defined $expath;
+	push @cmd, $expath if $expath ne '';
 	$req->{rpipe} = $git->popen(\@cmd, undef, { 2 => $git->err_begin });
 	my $env = $req->{env};
 	my $err = $env->{'psgi.errors'};
@@ -72,7 +72,7 @@ sub call_git_diff {
 			my $h = ['Content-Type', 'text/html; charset=UTF-8'];
 			my $fh = $req->{fh} = $res->([200, $h]);
 			my $o = { nofollow => 1, noindex => 1 };
-			my $ex = defined $expath ? " $expath" : '';
+			my $ex = $expath eq '' ? '' : " $expath";
 			$fh->write($self->html_start($req, 'diff', $o).
 					"\n\n".
 					utf8_html("git diff-tree -r -M -B -D ".
-- 
cgit v1.2.3-24-ge0c7