X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=topbloke.git;a=blobdiff_plain;f=tb-update.pl;h=58e7d602470c23c11766b39edd1322ba44584694;hp=d5eed35a5f52c796af1a2d918c4d48bc1379df94;hb=a2bee3f9f4ecc497a19a96a2f6b1264a1f9809e7;hpb=3ec6b37d1ae4571c56e8f228817ba829ac2ef3bc

diff --git a/tb-update.pl b/tb-update.pl
index d5eed35..58e7d60 100755
--- a/tb-update.pl
+++ b/tb-update.pl
@@ -145,6 +145,16 @@ sub update_base ($) {
 		next if $source_inc{$dep};
 		unless unless $anc_inc{$dep};
 		my $unw_dr = { Name => $dep };
+
+
+		# Algorithm
+		# We do a history graph walk.
+		# In each iteration we get git-rev-list to find us
+		# one commit.
+
+		# We get git-rev-list to find us 
+ send us a series of commits
+		# We look up each one.
 		my @prune;
 		my $pruned = sub {
 		    my ($commit) = @_;