Added a GPL license agreement as the very first step.

admin/index.php

@@ -9,10 +9,24 @@
 
     // Check databases and modules and install as needed.
     if (! $db->Metatables() ) { 
+
+        if (!$agreelicence) {
+            $strlicense = get_string("license");
+            print_header($strlicense, $strlicense, $strlicense);
+            print_heading("<A HREF=\"http://moodle.com\">Moodle</A> - Modular Object-Oriented Dynamic Learning Environment");
+            print_heading(get_string("copyrightnotice"));
+            print_simple_box_start("CENTER");
+            echo text_to_html(get_string("gpl"));
+            print_simple_box_end();
+            echo "<BR>";
+            notice_yesno(get_string("doyouagree"), "index.php?agreelicence=true", 
+                                                   "http://www.gnu.org/copyleft/gpl.html");
+            exit;
+        }
+
         $strdatabasesetup    = get_string("databasesetup");
         $strdatabasesuccess  = get_string("databasesuccess");
         print_header($strdatabasesetup, $strdatabasesetup, $strdatabasesetup);
-
         if (file_exists("$CFG->libdir/db/$CFG->dbtype.sql")) {
             $db->debug = true;
             if (modify_database("$CFG->libdir/db/$CFG->dbtype.sql")) {

lang/en/moodle.php

@@ -37,6 +37,7 @@ $string[city] = "City/town";
 $string[confirmed] = "Your registration has been confirmed";
 $string[courseupdates] = "Course updates";
 $string[complete] = "Complete";
+$string[copyrightnotice] = "Copyright notice";
 $string["continue"] = "Continue";
 $string[country] = "Country";
 $string[course] = "Course";
@@ -64,6 +65,7 @@ $string[deletedactivity] = "Deleted \$a";
 $string[deletedcourse] = "\$a has been completely deleted";
 $string[deletingcourse] = "Deleting \$a";
 $string[description] = "Description";
+$string[doyouagree] = "Have you read these conditions and understood them?";
 $string[edit] = "Edit \$a";
 $string[editcoursesettings] = "Edit course settings";
 $string[editinga] = "Editing a \$a";
@@ -123,6 +125,19 @@ $string[fulllistofcourses] = "Full list of courses";
 $string[fullprofile] = "Full profile";
 $string[fullname] = "Full name";
 $string[fullsitename] = "Full site name";
+$string[gpl] = "Copyright (C) 2001-2002  Martin Dougiamas  (http://dougiamas.com)
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details:
+
+http://www.gnu.org/copyleft/gpl.html";
 $string[grade] = "Grade";
 $string[guestsno] = "No, do not allow guests in";
 $string[guestsyes] = "Yes, allow 'guest' student in";
@@ -142,6 +157,7 @@ $string[lastmodified] = "Last modified";
 $string[lastname] = "Last name";
 $string[latestnews] = "Latest news";
 $string[listofallpeople] = "List of all people";
+$string[license] = "GPL License";
 $string[livelogs] = "Live logs from the past hour";
 $string[location] = "Location";
 $string[loggedinas] = "You are logged in as \$a.";