From 402f86a57f965f8dc21dc4312281c434263366a9 Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Tue, 19 Feb 2019 13:56:42 +0100
Subject: packages/differences.php now functional

---
 lib/style.php            |  42 ++++++++++++++----
 packages/differences.php | 111 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 144 insertions(+), 9 deletions(-)
 create mode 100644 packages/differences.php

diff --git a/lib/style.php b/lib/style.php
index ee40d10..547e350 100644
--- a/lib/style.php
+++ b/lib/style.php
@@ -98,15 +98,10 @@ $difflist_sorts = array(
     "label" => "i686 Version",
     "mysql" => "`i686_version`"
   ),
-  "i486_repo" => array(
-    "title" => "i486 repository",
-    "label" => "i486 Repository",
-    "mysql" => "`i486_repo`"
-  ),
-  "i686_repo" => array(
-    "title" => "i686 repository",
-    "label" => "i686 Repository",
-    "mysql" => "`i686_repo`"
+  "repo" => array(
+    "title" => "repository",
+    "label" => "Repository",
+    "mysql" => "`repo`"
   ),
   "i486_last_moved" => array(
     "title" => "i486 last updated",
@@ -120,6 +115,35 @@ $difflist_sorts = array(
   )
 );
 
+$difflist_print_columns = array(
+  'name' => array('$pkgname'),
+  'i486_version' => array(
+    '"<a href="/packages/i486/',
+    '$repository',
+    '"/',
+    '$pkgname',
+    '"/">',
+    '$i486_font_pre',
+    '$i486_version',
+    '$i486_font_post',
+    '"</a>'
+  ),
+  'i686_version' => array(
+    '"<a href="/packages/i686/',
+    '$repository',
+    '"/',
+    '$pkgname',
+    '"/">',
+    '$i686_font_pre',
+    '$i686_version',
+    '$i686_font_post',
+    '"</a>'
+  ),
+  'repository' => array('$repository'),
+  'i486_move_date' => array('$i486_move_date'),
+  'i686_move_date' => array('$i686_move_date')
+);
+
 $grouplist_sorts = array(
   "arch" => array(
     "title" => "architecture",
diff --git a/packages/differences.php b/packages/differences.php
new file mode 100644
index 0000000..e861a63
--- /dev/null
+++ b/packages/differences.php
@@ -0,0 +1,111 @@
+<?php
+
+require_once "init.php";
+
+require_once BASE . "/lib/style.php";
+require_once BASE . "/lib/mysql.php";
+
+$uri_parts = explode('/', $_SERVER['REQUEST_URI']);
+
+if ($uri_parts[0] != '' || $uri_parts[1] != 'packages' || $uri_parts[2] != 'differences')
+  throw_http_error(422, 'Unprocessable Entity');
+
+$options = '';
+
+$last = array_pop($uri_parts);
+if (substr($last, 0, 1) == '?') {
+  $options = $last;
+  $last = array_pop($uri_parts);
+}
+if ($last != '')
+  array_push($uri_parts, $last);
+
+array_splice(
+  $uri_parts,
+  0, 3
+);
+
+if (count($uri_parts) != 0)
+  throw_http_error(422, 'Unprocessable Entity');
+
+$sort = '';
+if (array_key_exists('sort', $_GET)) {
+  $criterium = $_GET['sort'];
+  if (
+    array_key_exists($criterium, $difflist_sorts) &&
+    array_key_exists('mysql', $difflist_sorts[$criterium])
+  )
+    $sort = $difflist_sorts[$criterium]['mysql'] . ',';
+  elseif (substr($criterium, 0, 1) == '-') {
+    $criterium = substr($criterium, 1);
+    if (
+      array_key_exists($criterium, $difflist_sorts) &&
+      array_key_exists('mysql', $difflist_sorts[$criterium])
+    )
+    $sort = $difflist_sorts[$criterium]['mysql'] . ' DESC,';
+  }
+}
+
+$result = mysql_run_query(
+  'SELECT ' .
+  '`bp_i486`.`pkgname`,' .
+  mysql_query_package_version('bp_i486') . ' AS `i486_version`,' .
+  mysql_query_package_version('bp_i686') . ' AS `i686_version`,' .
+  '`r_i486`.`name` AS `repository`,' .
+  'MAX(`bpir_i486`.`last_moved`) AS `i486_last_moved`,' .
+  'MAX(`bpir_i686`.`last_moved`) AS `i686_last_moved`,' .
+  'IF(' .
+    '`v_i486`.`order`<`v_i686`.`order`' .
+    ' OR `v_i486`.`order`=`v_i686`.`order`' .
+    ' AND `bp_i486`.`pkgrel`<`bp_i686`.`pkgrel`' .
+    ',1,0) AS `i486_is_oldest`' .
+  ' FROM `binary_packages` AS `bp_i486`' .
+  mysql_join_binary_packages_binary_packages_in_repositories('bp_i486', 'bpir_i486') .
+  mysql_join_binary_packages_in_repositories_repositories('bpir_i486', 'r_i486') .
+  ' AND `r_i486`.`is_on_master_mirror`' .
+  mysql_join_repositories_architectures('r_i486', 'ra_i486') .
+  ' AND `ra_i486`.`name`="i486"' .
+  ' JOIN `binary_packages` AS `bp_i686`' .
+  ' ON `bp_i486`.`pkgname`=`bp_i686`.`pkgname`' .
+  mysql_join_binary_packages_binary_packages_in_repositories('bp_i686', 'bpir_i686') .
+  mysql_join_binary_packages_in_repositories_repositories('bpir_i686', 'r_i686') .
+  ' AND `r_i686`.`is_on_master_mirror`' .
+  ' AND `r_i486`.`stability`=`r_i686`.`stability`' .
+  mysql_join_repositories_architectures('r_i686', 'ra_i686') .
+  ' AND `ra_i686`.`name`="i686"' .
+  ' JOIN `versions` as `v_i486`' .
+  ' ON `v_i486`.`epoch`=`bp_i486`.`epoch`' .
+  ' AND `v_i486`.`version`=`bp_i486`.`pkgver`' .
+  ' JOIN `versions` as `v_i686`' .
+  ' ON `v_i686`.`epoch`=`bp_i686`.`epoch`' .
+  ' AND `v_i686`.`version`=`bp_i686`.`pkgver`' .
+  ' WHERE `bp_i486`.`epoch`!=`bp_i686`.`epoch`' .
+  ' OR `bp_i486`.`pkgver`!=`bp_i686`.`pkgver`' .
+  ' OR `bp_i486`.`pkgrel`!=`bp_i686`.`pkgrel`' .
+  ' GROUP BY CONCAT(`r_i486`.`stability`, "-", `bp_i486`.`pkgname`)' .
+  ' ORDER BY ' . $sort . '`r_i486`.`stability`,`bp_i486`.`pkgname`'
+);
+$differences = array();
+while ($row = $result -> fetch_assoc()) {
+  $row['i486_move_date'] = substr($row['i486_last_moved'], 0, 10);
+  $row['i686_move_date'] = substr($row['i686_last_moved'], 0, 10);
+  if ($row['i486_is_oldest']) {
+    $row['i486_font_pre'] = '<font color="#ff0000">';
+    $row['i486_font_post'] = '</font>';
+    $row['i686_font_pre'] = '';
+    $row['i686_font_post'] = '';
+  } else {
+    $row['i486_font_pre'] = '';
+    $row['i486_font_post'] = '';
+    $row['i686_font_pre'] = '<font color="#ff0000">';
+    $row['i686_font_post'] = '</font>';
+  }
+  $differences[] = $row;
+}
+
+print_header('Package Differences Reports');
+print "      <div class=\"box\">\n";
+print "        <h2>Architecture Differences Between Packages</h2>\n";
+print_listing($differences, true, 'diff');
+print "      </div>\n";
+print_footer();
-- 
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