diff.install in Diff 5

File

diff.install

<?php

/**
 * Implementation of hook_install().
 *
 * Makes sure that diff.module has a higher weight than node.module
 * immediately, without requiring that the administrator vist /admin.
 */
function diff_install() {
  $ret = array();
  $ret[] = diff_set_weight();
  return $ret;
}

/**
 * Set the {system} weight to 1 higher than node.module to make sure
 * that diff_menu() can override the menu callback for the revisions tab.
 */
function diff_set_weight() {
  $node_module_weight = db_result(db_query("SELECT weight FROM {system} WHERE name='node'"));
  $rval = db_query("UPDATE {system} SET weight=%d WHERE name='diff'", $node_module_weight + 1);
  drupal_set_message(t('Weight of %diff module set to %weight. You can now see a diff of different node revisions using the %revisions tab when viewing a node.', array(
    '%diff' => t('Diff'),
    '%weight' => $node_module_weight + 1,
    '%revisions' => t('Revisions'),
  )));
  return $rval;
}

Functions

Name	Description
diff_install	Implementation of hook_install().
diff_set_weight	Set the {system} weight to 1 higher than node.module to make sure that diff_menu() can override the menu callback for the revisions tab.