From 8c0b5a2bab1149846c211d9b863faa6981c01c4b Mon Sep 17 00:00:00 2001
From: sebastianseidelmann <sebastian.seidelmann@wfp2.com>
Date: Fri, 14 Jul 2017 14:15:34 +0200
Subject: [PATCH] [TASK] Add the Command changes for #120

---
 src/Liip/RMT/Action/CommandAction.php         | 42 ++++++++++++++++++-
 .../Tests/Functional/CommandActionTest.php    | 25 +++++++++++
 2 files changed, 66 insertions(+), 1 deletion(-)

diff --git a/src/Liip/RMT/Action/CommandAction.php b/src/Liip/RMT/Action/CommandAction.php
index f05bb045..e13e692a 100644
--- a/src/Liip/RMT/Action/CommandAction.php
+++ b/src/Liip/RMT/Action/CommandAction.php
@@ -19,6 +19,12 @@
  */
 class CommandAction extends BaseAction
 {
+    /**
+     * Saves the command vars.
+     * @var array
+     */
+    protected $commandVars = [];
+
     public function __construct($options)
     {
         $this->options = array_merge(array(
@@ -30,11 +36,24 @@ public function __construct($options)
         if ($this->options['cmd'] == null) {
             throw new \RuntimeException('Missing [cmd] option');
         }
+
+        $this->initCommandVars();
+    }
+
+    /**
+     * Initialize the command vars.
+     */
+    private function initCommandVars()
+    {
+        $this->commandVars = array(
+            'version' => Context::get('version-persister')->getCurrentVersion(),
+            'new_version' => Context::getParam('new-version'),
+        );
     }
 
     public function execute()
     {
-        $command = $this->options['cmd'];
+        $command = $this->prepareCommand($this->options['cmd'], $this->commandVars);
         Context::get('output')->write("<comment>$command</comment>\n\n");
 
         // Prepare a callback for live output
@@ -58,4 +77,25 @@ public function execute()
             throw new \RuntimeException("Command [$command] exit with code " . $process->getExitCode());
         }
     }
+
+    /**
+     * Prepares the command.
+     * @param string $command
+     * @param array $vars
+     * @return string
+     */
+    private function prepareCommand($command, $vars = array())
+    {
+        if (strpos($command, '{') !== false) {
+            extract($vars);
+            preg_match_all('@\{([A-Za-z0-9_]*)\}@i', $command, $matches);
+            if (! empty($matches[1])) {
+                foreach ($matches[1] as $var) {
+                    $command = str_replace('{' . $var . '}', $$var, $command);
+                }
+            }
+        }
+
+        return $command;
+    }
 }
diff --git a/test/Liip/RMT/Tests/Functional/CommandActionTest.php b/test/Liip/RMT/Tests/Functional/CommandActionTest.php
index 81b2f452..fe797e41 100644
--- a/test/Liip/RMT/Tests/Functional/CommandActionTest.php
+++ b/test/Liip/RMT/Tests/Functional/CommandActionTest.php
@@ -26,4 +26,29 @@ public function testCommand()
 //        $this->manualDebug();
         $this->assertContains('Command Action : echo "hello world"', $output);
     }
+
+    public function testCommandWithVariables()
+    {
+        $this->createChangelog('simple');
+        $this->createConfig('simple', 'changelog', array(
+            'pre-release-actions' => array(
+                'command' => array('cmd' => 'echo "current version: {version}"'),
+            ),
+        ));
+
+        exec('./RMT release -n --no-ansi --comment="test"', $output);
+        $output = implode("\n", $output);
+        $this->assertContains('Command Action : echo "current version: 1"', $output);
+
+        $this->createChangelog('simple');
+        $this->createConfig('simple', 'changelog', array(
+            'pre-release-actions' => array(
+                'command' => array('cmd' => 'echo "next version: {new_version}"'),
+            ),
+        ));
+
+        exec('./RMT release -n --no-ansi --comment="test"', $output);
+        $output = implode("\n", $output);
+        $this->assertContains('Command Action : echo "next version: 2"', $output);
+    }
 }