Add a script to install SMF packages into the image.

Dockerfile

@@ -42,6 +42,10 @@ RUN /scripts/add_extension.sh FlaggedRevs $MW_VERSION && \
     /scripts/add_extension.sh Nuke $MW_VERSION && \
     /scripts/add_extension.sh Auth_remoteuser $MW_VERSION
 
+# Install SMF mods
+# 3 September 2018: These would also need to be installed in the database.
+RUN /scripts/add_mod.php "http://custom.simplemachines.org/mods/index.php?action=download;mod=3067;id=179832"
+
 # Add our stuff
 ADD --chown=www-data:www-data application application
 RUN cd $WIKI_SOURCE && composer update --no-dev

scripts/add_mod.php

@@ -0,0 +1,52 @@
+#!/usr/bin/env php
+<?php
+define("SMF", true);
+$boarddir = getenv("FORUMS_SOURCE");
+$sourcedir = "$boarddir/Sources";
+$forum_version = "SMF " . getenv("SMF_VERSION");
+
+$temp_dir = "$boarddir/Packages/temp";
+
+require_once("$sourcedir/Errors.php");
+require_once("$sourcedir/QueryString.php");
+require_once("$sourcedir/Subs.php");
+require_once("$sourcedir/Subs-Package.php");
+
+function loadLanguage($language) {}
+
+function download($uri) {
+    $entries = scandir(".");
+    passthru("wget --content-disposition \"$uri\"");
+    return array_values(array_diff(scandir("."), $entries))[0];
+}
+
+function downloadPackage($packageUrl) {
+    global $boarddir;
+    $packageFile = download($packageUrl);
+    $fullPackageName = "$boarddir/Packages/$packageFile";
+    rename($packageFile, $fullPackageName);
+    return $packageFile;
+}
+
+function unpackPackage($packageFile) {
+    global $boarddir, $temp_dir;
+    $fullPackageName = "$boarddir/Packages/$packageFile";
+    mktree($temp_dir, 0777);
+    read_tgz_file($fullPackageName, $temp_dir);
+}
+
+function installPackage($packageFile) {
+    $packageInfo = getPackageInfo($packageFile);
+    return parsePackageInfo($packageInfo['xml'], false);
+}
+
+function cleanup() {
+    global $temp_dir;
+    deltree($temp_dir);
+}
+
+$packageUrl = $argv[1];
+$packageFile = downloadPackage($packageUrl);
+unpackPackage($packageFile);
+installPackage($packageFile);
+cleanup();