From ce11ffa3ca75bc1558abfed0acc911bec72f2e0c Mon Sep 17 00:00:00 2001
From: Tristan Olive <tristan.olive@studiodelta.us>
Date: Fri, 22 May 2015 20:29:48 -0400
Subject: [PATCH] Remove duplicates from merged textgroup PO file when updating
 strings at Transifex

(DBOINCP-141)
---
 .../boinctranslate/boinctranslate.module        | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/drupal/sites/default/boinc/modules/boinctranslate/boinctranslate.module b/drupal/sites/default/boinc/modules/boinctranslate/boinctranslate.module
index b91fe7c1a9..302eabb719 100644
--- a/drupal/sites/default/boinc/modules/boinctranslate/boinctranslate.module
+++ b/drupal/sites/default/boinc/modules/boinctranslate/boinctranslate.module
@@ -658,9 +658,26 @@ function boinctranslate_get_po($langcode, $type = 'standard') {
   default:
   }
   
+  // Merge textgroup strings together for export as one file
   foreach ($textgroups as $textgroup) {
     $strings += _locale_export_get_strings($language, $textgroup);
   }
+  ksort($strings);
+  $unique_strings = array();
+  $duplicate_strings = array();
+  foreach ($strings as $id => $string) {
+    // Build a set of duplicate strings
+    if (!isset($unique_strings[$string['source']])) {
+      $unique_strings[$string['source']] = $id;
+    }
+    else {
+      $duplicate_strings[] = $id;
+    }
+  }
+  foreach ($duplicate_strings as $id) {
+    // Remove any duplicate source strings from the original array
+    unset($strings[$id]);
+  }
   if ($langcode != 'en') {
     // If not the source language, remove untranslated strings from the ouput
     foreach ($strings as $i => $string) {