From 0acb0c026bd612e3f60c91748f83f454214341a9 Mon Sep 17 00:00:00 2001
From: Jeroen van Wolffelaar <jeroen@wolffelaar.nl>
Date: Wed, 1 Feb 2006 23:51:41 +0000
Subject: [PATCH] Implement source postfixes

---
 bin/parse-sources | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/bin/parse-sources b/bin/parse-sources
index 4976260..91e8ad5 100755
--- a/bin/parse-sources
+++ b/bin/parse-sources
@@ -22,9 +22,13 @@
 use strict;
 
 my $what = $ARGV[0] ? "non-free" : "*";
+# max. distinct results for a given package postfix
+my $MAX_SOURCE_POSTFIXES = 100;
 
 use DB_File;
 my %sources_small = ();
+my %source_names = ();
+my %source_postfixes = ();
 
 my @suites = ('oldstable', 'stable', 'testing', 'unstable', 'experimental');
 
@@ -53,6 +57,9 @@ for my $suite (@suites) {
 		}
 		$sources_all_db{"$data{'package'} $data{'version'}"}
 			= $data;
+
+		$source_names{$data{'package'}} = 1;
+
 		my $section = 'main';
 		my $subsection = $data{section};
 		if ($data{section} && ($data{section} =~ m=/=o)) {
@@ -77,7 +84,32 @@ while (my ($k, $v) = each(%sources_small)) {
 }
 untie %sources_small_db;
 
+# package names stuff:
+for my $pkg (keys %source_names) {
+	for (my $i=0;$i<length($pkg)-1;$i++) {
+		my $before = substr($pkg, 0, $i);
+		my $after = substr($pkg, $i);
+		$source_postfixes{$after} .= "$before\0";
+	}
+}
+my %source_postfixes_db;
+tie %source_postfixes_db, "DB_File", "source_postfixes.db.new",
+	O_RDWR|O_CREAT, 0666, $DB_BTREE
+	or die "Error creating DB: $!";
+while (my ($k, $v) = each(%source_postfixes)) {
+	$v =~ s/.$//s;
+	my $nr = $v;
+	$nr =~ s/[^\000]//g;
+	$nr = length($nr) + 1; # < number of hits
+	if ($nr > $MAX_SOURCE_POSTFIXES) {
+		$v = "\001" . $nr;
+	}
+	$source_postfixes_db{$k} = $v;
+}
+untie %source_postfixes_db;
+
 for my $suite (@suites) {
 	rename("sources_all_$suite.db.new", "sources_all_$suite.db");
 }
 rename("sources_small.db.new", "sources_small.db");
+rename("source_postfixes.db.new", "source_postfixes.db");
-- 
2.39.2