From: Eric Wong <e@80x24.org>
Date: Sun, 26 Jun 2016 23:41:00 +0000 (+0000)
Subject: inbox: avoid trying s// on undef
X-Git-Tag: v1.0.0~351
X-Git-Url: http://www.git.stargrave.org/?p=public-inbox.git;a=commitdiff_plain;h=62e690b87d03ab1fa1829f99e37c63707c64a5c4

inbox: avoid trying s// on undef

Oops, I guess I'm trigger-happy today.

Fixes: 31a6ff1221fe ("inbox: ensure we do not show leading "From " lines")
---

diff --git a/lib/PublicInbox/Inbox.pm b/lib/PublicInbox/Inbox.pm
index 87c2c9fc..ada713c7 100644
--- a/lib/PublicInbox/Inbox.pm
+++ b/lib/PublicInbox/Inbox.pm
@@ -100,7 +100,7 @@ sub msg_by_path ($$;$) {
 	my ($self, $path, $ref) = @_;
 	# TODO: allow other refs:
 	my $str = git($self)->cat_file('HEAD:'.$path, $ref);
-	$$str =~ s/\A[\r\n]*From [^\r\n]*\r?\n//s;
+	$$str =~ s/\A[\r\n]*From [^\r\n]*\r?\n//s if $str;
 	$str;
 }