CLI update user

https://github.com/FreshRSS/FreshRSS/issues/1600
Not tested

cli/update-user.php

@@ -0,0 +1,54 @@
+#!/usr/bin/php
+<?php
+require('_cli.php');
+
+$options = getopt('', array(
+		'user:',
+		'password:',
+		'api-password:',
+		'language:',
+		'email:',
+		'token:',
+		'purge_after_months:',
+		'feed_min_articles_default:',
+		'feed_ttl_default:',
+		'since_hours_posts_per_rss:',
+		'min_posts_per_rss:',
+		'max_posts_per_rss:',
+	));
+
+if (empty($options['user'])) {
+	fail('Usage: ' . basename(__FILE__) . " --user username ( --password 'password' --api-password 'api_password'" .
+		" --language en --email user@example.net --token 'longRandomString' )");
+}
+
+$username = cliInitUser($options['user']);
+
+echo 'FreshRSS updating user “', $username, "”…\n";
+
+function intParam($name) {
+	return isset($options[$name]) && ctype_digit($options[$name]) ? intval($options[$name]) : null;
+}
+
+$ok = FreshRSS_user_Controller::updateContextUser($username,
+	empty($options['password']) ? '' : $options['password'],
+	empty($options['api-password']) ? '' : $options['api-password'],
+	array(
+		'language' => isset($options['language']) ? $options['language'] : null,
+		'mail_login' => isset($options['email']) ? $options['email'] : null,
+		'token' => isset($options['token']) ? $options['token'] : null,
+		'old_entries' => intParam('purge_after_months'),
+		'keep_history_default' => intParam('feed_min_articles_default'),
+		'ttl_default' => intParam('feed_ttl_default'),
+		'since_hours_posts_per_rss' => intParam('since_hours_posts_per_rss'),
+		'min_posts_per_rss' => intParam('min_posts_per_rss'),
+		'max_posts_per_rss' => intParam('max_posts_per_rss'),
+	));
+
+if (!$ok) {
+	fail('FreshRSS could not update user!');
+}
+
+invalidateHttpCache($username);
+
+done($ok);