X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=lib%2FPublicInbox%2FSearchIdx.pm;h=cc1ac56b933d65998bdc915711658ea5c6b4f06e;hb=50c822076abee76c3133ffc3482488392eecedfb;hp=fd48169d4d7bb73170906f3e007c56da6659848b;hpb=e041f5446ad266ee24e41a38e0090e2a65167606;p=public-inbox.git

diff --git a/lib/PublicInbox/SearchIdx.pm b/lib/PublicInbox/SearchIdx.pm
index fd48169d..cc1ac56b 100644
--- a/lib/PublicInbox/SearchIdx.pm
+++ b/lib/PublicInbox/SearchIdx.pm
@@ -646,6 +646,7 @@ sub _git_log {
 				--raw -r --no-abbrev/, $range);
 }
 
+# --is-ancestor requires git 1.8.0+
 sub is_ancestor ($$$) {
 	my ($git, $cur, $tip) = @_;
 	return 0 unless $git->check($cur);