1 files changed, 135 insertions, 0 deletions
diff --git a/buildmaster/deletion-links.php b/buildmaster/deletion-links.php
new file mode 100644
index 0000000..f6e3222
--- /dev/null
+++ b/buildmaster/deletion-links.php
@@ -0,0 +1,135 @@
+<?php
+
+include "lib/mysql.php";
+
+$edges = "";
+$knots = "";
+
+mysql_run_query(
+  "CREATE TEMPORARY TABLE `d_bp` (" .
+    "`id` BIGINT, " .
+    "UNIQUE KEY `id` (`id`)" .
+  ")"
+);
+
+mysql_run_query(
+  "INSERT IGNORE INTO `d_bp` (`id`)" .
+  " SELECT `binary_packages`.`id`" .
+  " FROM `binary_packages`" .
+  " WHERE `binary_packages`.`is_to_be_deleted`" .
+  " AND `binary_packages`.`pkgname` NOT LIKE \"lib32-%\""
+);
+
+mysql_run_query(
+  "CREATE TEMPORARY TABLE `d_bp_copy` (" .
+    "`id` BIGINT, " .
+    "UNIQUE KEY `id` (`id`)" .
+  ")"
+);
+
+mysql_run_query(
+  "INSERT IGNORE INTO `d_bp_copy` (`id`)" .
+  " SELECT `d_bp`.`id`" .
+  " FROM `d_bp`"
+);
+
+mysql_run_query(
+  "CREATE TEMPORARY TABLE `d_it` (" .
+    "`id` BIGINT, " .
+    "UNIQUE KEY `id` (`id`)" .
+  ")"
+);
+
+mysql_run_query(
+  "INSERT IGNORE INTO `d_it` (`id`)" .
+  " SELECT `install_target_providers`.`install_target`" .
+  " FROM `install_target_providers`" .
+  " JOIN `d_bp` ON `d_bp`.`id`=`install_target_providers`.`package`" .
+  " WHERE NOT EXISTS (" .
+    "SELECT 1 FROM `install_target_providers` AS `subst_itp`" .
+    " JOIN `binary_packages` AS `subst_bp` ON `subst_itp`.`package`=`subst_bp`.`id`" .
+    " WHERE NOT `subst_bp`.`is_to_be_deleted`" .
+    " AND `subst_itp`.`install_target`=`install_target_providers`.`install_target`" .
+  ")"
+);
+
+$result = mysql_run_query(
+  "SELECT `binary_packages`.`id`," .
+  "`binary_packages`.`pkgname`," .
+  "`repositories`.`name` AS `repo`," .
+  "IF(`build_assignments`.`is_black_listed` IS NULL,\"#800000\",\"#ff0000\") AS `color`" .
+  " FROM `binary_packages`" .
+  " JOIN `d_bp` ON `d_bp`.`id`=`binary_packages`.`id`" .
+  " JOIN `build_assignments` ON `binary_packages`.`build_assignment`=`build_assignments`.`id`" .
+  " JOIN `repositories` ON `binary_packages`.`repository`=`repositories`.`id`"
+);
+
+while ($row = $result->fetch_assoc())
+  $knots .=
+    "\"p" .
+    $row["id"] .
+    "\" [label = \"" .
+    $row["repo"] .
+    "/" .
+    $row["pkgname"] .
+    "\",
+    fontcolor = \"" .
+    $row["color"] .
+    "\"];\n";
+
+$result = mysql_run_query(
+  "SELECT `dependencies`.`dependent`," .
+  "`dependency_types`.`name` AS `dep_type`," .
+  "`install_target_providers`.`package` AS `depending_on`" .
+  " FROM `dependencies`" .
+  " JOIN `d_bp` ON `d_bp`.`id`=`dependencies`.`dependent`" .
+  " JOIN `dependency_types` ON `dependencies`.`dependency_type`=`dependency_types`.`id`" .
+  " JOIN `install_target_providers` ON `install_target_providers`.`install_target`=`dependencies`.`depending_on`" .
+  " JOIN `d_it` ON `d_it`.`id`=`install_target_providers`.`install_target`" .
+  " WHERE `dependencies`.`dependent`!=`install_target_providers`.`package`"
+);
+
+while ($row = $result->fetch_assoc()) {
+  $edges .=
+    "\"p" .
+    $row["depending_on"] .
+    "\" -> \"p" .
+    $row["dependent"] .
+    "\" [color = \"";
+  switch ($row["dep_type"]) {
+    case "run":
+      $edges .= "#000000";
+      break;
+    case "make":
+      $edges .= "#0000ff";
+      break;
+    case "link":
+      $edges .= "#008000";
+      break;
+    case "check":
+      $edges .= "#000080";
+      break;
+    default:
+      $edges .= "#ff00ff";
+  }
+  $edges .=
+    "#000080";
+  $edges .=
+    "\"];\n";
+}
+
+$knots = str_replace("\$","\\\$",$knots);
+$edges = str_replace("\$","\\\$",$edges);
+
+
+header ("Content-type: image/png");
+passthru(
+  "dot -Tpng -o/dev/stdout /dev/stdin <<EOF\n" .
+  "digraph dependencies {\n" .
+  "rankdir=LR;\n" .
+  "fontname=dejavu;\n" .
+  $knots .
+  $edges .
+  "}\n" .
+  "EOF\n"
+);