From 789ac5b0119d8d878380bbe8b3de4c7630460148 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Sat, 5 Jan 2019 11:00:52 +0000
Subject: index: quiet down git-log error messages on new inboxes

The new t/*filter_rubylang.t tests call -index immediately
after -init, which causes confusing messages to show up to
the end user.

Check the validity of the ref before calling "git-log".
---
 lib/PublicInbox/SearchIdx.pm | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'lib/PublicInbox/SearchIdx.pm')

diff --git a/lib/PublicInbox/SearchIdx.pm b/lib/PublicInbox/SearchIdx.pm
index 76f3f33a..fd48169d 100644
--- a/lib/PublicInbox/SearchIdx.pm
+++ b/lib/PublicInbox/SearchIdx.pm
@@ -607,6 +607,17 @@ sub _git_log {
 	my ($self, $range) = @_;
 	my $git = $self->{git};
 
+	if (index($range, '..') < 0) {
+		# don't show annoying git errrors to users who run -index
+		# on empty inboxes
+		$git->qx(qw(rev-parse -q --verify), "$range^0");
+		if ($?) {
+			open my $fh, '<', '/dev/null' or
+				die "failed to open /dev/null: $!\n";
+			return $fh;
+		}
+	}
+
 	# Count the new files so they can be added newest to oldest
 	# and still have numbers increasing from oldest to newest
 	my $fcount = 0;
-- 
cgit v1.2.3-24-ge0c7