X-Git-Url: http://www.git.stargrave.org/?p=public-inbox.git;a=blobdiff_plain;f=lib%2FPublicInbox%2FSearchIdx.pm;h=8810fe76450dde64728d715e4e63f14b3c6bb741;hp=7a8ebf356efe7cb2910cd5ee5f7e14d10a423f10;hb=b0e5062d43a96372801713ef78a78d6a1bc852bc;hpb=59fd8cf084c6a67d9801c888a183eb83b552692d

diff --git a/lib/PublicInbox/SearchIdx.pm b/lib/PublicInbox/SearchIdx.pm
index 7a8ebf35..8810fe76 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);