Add support for Windows

.gitignore

@@ -1 +1,3 @@
 /vendor/
+/.idea/
+/test-git-dir/

src/Commands/AddCommand.php

@@ -47,6 +47,12 @@ protected function execute(InputInterface $input, OutputInterface $output)
             if (file_exists($filename)) {
                 $output->writeln("<comment>{$hook} already exists</comment>");
             } else {
+                if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
+                    // On windows we need to add a SHEBANG
+                    // See: https://github.com/BrainMaestro/composer-git-hooks/issues/7
+                    $script = '#!/bin/bash' . PHP_EOL . $script;
+                }
+
                 file_put_contents($filename, $script);
                 chmod($filename, 0755);
                 $output->writeln("Added <info>{$hook}</info> hook");
@@ -82,9 +88,11 @@ private function addLockFile($hooks, $output)
 
     private function ignoreLockFile($output)
     {
-        passthru('grep -q ' . Hook::LOCK_FILE . ' .gitignore', $return);
-        if ($return !== 0) {
-            passthru('echo ' . Hook::LOCK_FILE . ' >> .gitignore');
+        $contents = file_get_contents('.gitignore');
+        $return = strpos($contents, Hook::LOCK_FILE);
+
+        if ($return === false) {
+            file_put_contents('.gitignore', Hook::LOCK_FILE . PHP_EOL, FILE_APPEND);
             $output->writeln('<comment>Added ' . Hook::LOCK_FILE . ' to .gitignore</comment>');
         }
     }

tests/AddCommandTest.php

@@ -32,6 +32,25 @@ public function it_adds_hooks_that_do_not_already_exist()
         }
     }
 
+    /**
+     * @test
+     */
+    public function it_adds_shebang_to_hooks_on_windows()
+    {
+        if(strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN')
+            $this->markTestSkipped('This test is only relevant on windows. You\'re running Linux.');
+
+        $this->commandTester->execute([]);
+
+        foreach (array_keys(self::$hooks) as $hook) {
+            $this->assertContains("Added {$hook} hook", $this->commandTester->getDisplay());
+
+            $content = file_get_contents(".git/hooks/" . $hook);
+            $this->assertNotFalse(strpos($content, "#!/bin/bash"));
+            $this->assertEquals(strpos($content, "#!/bin/bash"), 0);
+        }
+    }
+
     /**
      * @test
      */

tests/ListCommandTest.php

@@ -37,7 +37,9 @@ public function it_lists_hooks_that_exist()
     public function it_uses_a_different_git_path_if_specified()
     {
         $gitDir = 'test-git-dir';
-        passthru("mkdir -p {$gitDir}/hooks");
+
+        mkdir("{$gitDir}/hooks", 0777, true);
+
         self::createHooks($gitDir);
 
         $this->commandTester->execute(['--git-dir' => $gitDir]);
@@ -46,6 +48,6 @@ public function it_uses_a_different_git_path_if_specified()
             $this->assertContains($hook, $this->commandTester->getDisplay());
         }
 
-        passthru("rm -rf {$gitDir}");
+        $this->recursive_rmdir($gitDir);
     }
 }

tests/PrepareHookTest.php

@@ -23,6 +23,10 @@ public static function tearDownAfterClass()
 
     public static function createHooks($gitDir = '.git')
     {
+        if (!is_dir("{$gitDir}/hooks")) {
+            mkdir("{$gitDir}/hooks", 0777, true);
+        }
+
         foreach (self::$hooks as $hook => $script) {
             file_put_contents("{$gitDir}/hooks/{$hook}", $script);
         }
@@ -43,4 +47,30 @@ private static function prepare()
         $ignoreContents = file_get_contents('.gitignore');
         file_put_contents('.gitignore', str_replace(Hook::LOCK_FILE . PHP_EOL, '', $ignoreContents));
     }
+
+    /**
+     * Since PHP does not support the recursive deletion of
+     * a directory and its entire contents we need a helper here.
+     *
+     * @see https://stackoverflow.com/a/3338133
+     *
+     * @param $dir string
+     */
+    protected function recursive_rmdir($dir)
+    {
+        if (is_dir($dir)) {
+            $objects = scandir($dir);
+
+            foreach ($objects as $object) {
+                if ($object != "." && $object != "..") {
+                    if (is_dir($dir."/".$object))
+                        $this->recursive_rmdir($dir."/".$object);
+                    else
+                        unlink($dir."/".$object);
+                }
+            }
+
+            rmdir($dir);
+        }
+    }
 }

tests/RemoveCommandTest.php

@@ -37,14 +37,17 @@ public function it_removes_hooks_that_were_added()
     public function it_removes_removed_hooks_from_the_lock_file()
     {
         foreach (array_keys(self::$hooks) as $hook) {
-            passthru("grep -q {$hook} " . Hook::LOCK_FILE, $return);
+            $contents = file_get_contents('.gitignore');
+            $return = strpos($contents, Hook::LOCK_FILE);
+
             $this->assertEquals(0, $return);
 
             $this->commandTester->execute(['hooks' => [$hook]]);
             $this->assertContains("Removed {$hook} hook", $this->commandTester->getDisplay());
 
-            passthru("grep -q {$hook} " . Hook::LOCK_FILE, $return);
-            $this->assertEquals(1, $return);
+            $contents = file_get_contents('.gitignore');
+            $return = strpos($contents, Hook::LOCK_FILE);
+            $this->assertFalse($return);
         }
     }
 
@@ -66,7 +69,9 @@ public function it_does_not_remove_hooks_not_present_in_the_lock_file()
     {
         $hook = 'test-hook';
         $this->commandTester->execute(['hooks' => [$hook]]);
-        $this->assertContains("Skipped {$hook} hook - not present in lock file", $this->commandTester->getDisplay());
+        $this->assertContains(
+            "Skipped {$hook} hook - not present in lock file", $this->commandTester->getDisplay()
+        );
     }
 
     /**
@@ -89,7 +94,9 @@ public function it_removes_hooks_not_present_in_the_lock_file_if_forced_to()
     public function it_uses_a_different_git_path_if_specified()
     {
         $gitDir = 'test-git-dir';
-        passthru("mkdir -p {$gitDir}/hooks");
+
+        mkdir("{$gitDir}/hooks", 0777, true);
+
         self::createHooks($gitDir);
         $this->assertFalse(self::isDirEmpty("{$gitDir}/hooks"));
 
@@ -100,7 +107,8 @@ public function it_uses_a_different_git_path_if_specified()
         }
 
         $this->assertTrue(self::isDirEmpty("{$gitDir}/hooks"));
-        passthru("rm -rf {$gitDir}");
+
+        $this->recursive_rmdir($gitDir);
     }
 
     public function tearDown()

tests/UpdateCommandTest.php

@@ -51,14 +51,16 @@ public function it_updates_hooks_that_already_exist()
     public function it_uses_a_different_git_path_if_specified()
     {
         $gitDir = 'test-git-dir';
-        passthru("mkdir -p {$gitDir}/hooks");
+
+        mkdir("{$gitDir}/hooks", 0777, true);
+
         $this->commandTester->execute(['--git-dir' => $gitDir]);
 
         foreach (array_keys(self::$hooks) as $hook) {
             $this->assertTrue(file_exists("{$gitDir}/hooks/{$hook}"));
         }
 
-        passthru("rm -rf {$gitDir}");
+        $this->recursive_rmdir($gitDir);
     }
 
     /**