From ab25ce721b7bf62841c6d9c1ded8a762fb717784 Mon Sep 17 00:00:00 2001
From: Pascal Rigaux <pixel@mandriva.com>
Date: Tue, 23 Sep 2008 15:54:24 +0000
Subject: - use "versioned" media_info files   (needed for aria2 to handle
 mirrors not having some media_info/*)

it fixes:
- downloading parts of media_info file from different mirrors and failing to
  obtain a valid result
- checking md5sum of media_info files
---
 urpm/media.pm | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

(limited to 'urpm/media.pm')

diff --git a/urpm/media.pm b/urpm/media.pm
index aea565ef..34ae11d6 100644
--- a/urpm/media.pm
+++ b/urpm/media.pm
@@ -1189,6 +1189,22 @@ sub _download_pubkey {
 sub _download_media_info_file {
     my ($urpm, $medium, $prefix, $suffix, $options) = @_;
 
+    my $versioned_prefix = do {
+	my $version = urpm::md5sum::versioned_media_info_file($urpm, $medium, "$prefix$suffix");
+	$version and $options->{is_versioned} = 1;
+	$version ? "$version-$prefix" : $prefix;
+    };
+
+    my $tmp = _download_media_info_file_raw($urpm, $medium, 
+					    $versioned_prefix, $suffix, $options) or return;
+    my $result = dirname($tmp) . "/$prefix$suffix";
+    $tmp eq $result or rename($tmp, $result) or return;
+    $result;
+}
+
+sub _download_media_info_file_raw {
+    my ($urpm, $medium, $prefix, $suffix, $options) = @_;
+
     my $name = "$prefix$suffix";
     my $result_file = "$urpm->{cachedir}/partial/$name";
     my $found;
@@ -1717,6 +1733,14 @@ sub _retrieve_media_info_file_and_check_MD5SUM {
     1;
 }
 
+sub _download_temp_md5sum_and_parse {
+    my ($urpm, $medium) = @_;
+
+    $urpm->{debug}("downloading MD5SUM to know updated versioned metadata filename") if $urpm->{debug};
+    my $md5sum_file = _download_MD5SUM($urpm, $medium);
+    urpm::md5sum::parse($md5sum_file);
+}
+
 sub _any_media_info__or_download {
     my ($urpm, $medium, $prefix, $suffix, $quiet, $o_callback) = @_;
 
@@ -1733,6 +1757,8 @@ sub _any_media_info__or_download {
    
     _maybe_in_statedir_MD5SUM($urpm, $medium, "$prefix$suffix") or return;
 
+    $medium->{parsed_md5sum} ||= _download_temp_md5sum_and_parse($urpm, $medium);
+
     my $file_in_partial = 
       _download_media_info_file($urpm, $medium, $prefix, $suffix, 
 				{ quiet => $quiet, callback => $o_callback }) or return;
-- 
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