setup check

1 files changed, 58 insertions, 0 deletions

diff --git a/src/phorkie/SetupCheck.php b/src/phorkie/SetupCheck.php
new file mode 100644
index 0000000..959ff42
--- /dev/null
+++ b/src/phorkie/SetupCheck.php
@@ -0,0 +1,58 @@
+<?php
+namespace phorkie;
+
+class SetupCheck
+{
+    protected $deps = array(
+        'pear.php.net/VersionControl_Git' => 'VersionControl_Git',
+        'pear.twig-project.org/Twig'      => 'Twig_Autoloader',
+        'pear.php.net/Date_HumanDiff'     => 'Date_HumanDiff',
+    );
+
+    protected $writableDirs;
+
+
+    public function __construct()
+    {
+        $cfg = $GLOBALS['phorkie']['cfg'];
+        $this->writableDirs = array(
+            'gitdir' => $cfg['gitdir'],
+            'workdir' => $cfg['workdir'],
+        );
+    }
+
+    public static function run()
+    {
+        $sc = new self();
+        $sc->checkDeps();
+        $sc->checkDirs();
+    }
+
+    public function checkDeps()
+    {
+        foreach ($this->deps as $package => $class) {
+            if (!class_exists($class, true)) {
+                $this->fail('PEAR package not installed: ' . $package);
+            }
+        }
+    }
+
+    public function checkDirs()
+    {
+        foreach ($this->writableDirs as $name => $dir) {
+            if (!is_dir($dir)) {
+                $this->fail($name . ' directory does not exist at ' . $dir);
+            }
+            if (!is_writable($dir)) {
+                $this->fail($name . ' directory is not writable at ' . $dir);
+            }
+        }
+    }
+
+    public function fail($msg)
+    {
+        throw new Exception($msg);
+    }
+}
+
+?>