first

helpers.php

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+<?php
+
+use Symfony\Component\Process\Process;
+
+/**
+ * Die and dump a variable's value.
+ */
+function dd($value)
+{
+    die(var_dump($value));
+}
+
+/**
+ * Simple global function to run commands.
+ */
+function quietly($command)
+{
+    (new Process($command))->run();
+}
+
+/**
+ * Check the system's compatibility with Malt.
+ *
+ * @return bool
+ */
+function should_be_compatible()
+{
+    if (PHP_OS != 'Darwin') {
+        echo 'Malt only supports the Mac operating system.'.PHP_EOL;
+
+        exit(1);
+    }
+
+    if (exec('which php') != '/usr/local/bin/php') {
+        echo "Malt requires PHP to be installed at [/usr/local/bin/php].";
+
+        exit(1);
+    }
+
+    if (PHP_MAJOR_VERSION < 7) {
+        echo "Malt requires PHP 7.0 or later.";
+
+        exit(1);
+    }
+
+    if (exec('which brew') != '/usr/local/bin/brew') {
+        echo 'Malt requires Brew to be installed on your Mac.';
+
+        exit(1);
+    }
+}
+
+/**
+ * Verify that a command is being run as "sudo".
+ *
+ * @return void
+ */
+function should_be_sudo()
+{
+    if (! isset($_SERVER['SUDO_USER'])) {
+        throw new Exception('This command must be run with sudo.');
+    }
+}