Install by composer (#9)

* add bin section to composer.json
fix git-profile autoloader paths

* fix readme

README.md

@@ -34,6 +34,25 @@ This utility helps you save profiles and then you can switch between them using
 
 ## Install
 
+```
+$ composer global require zeeshan/git-profile
+```
+Then check your ```$PATH``` variable. It must contain ```~/.composer/vendor/bin``` dir.
+
+```
+$ echo $PATH
+
+/usr/local/sbin:/usr/bin:/bin:/usr/sbin:/home/username/.composer/vendor/bin
+```
+
+Modify your ```.zshrc``` or ```.bashrc``` files if your ```$PATH``` variable not contain composer/bin dir.
+
+```
+export PATH=~/.composer/vendor/bin:$PATH
+```
+
+#### Also you can use .phar file
+
 * Download the file from [here](https://github.com/zeeshanu/git-profile/releases/download/v1.0/git-profile)
 * `sudo chmod -R 755 git-profile`
 * `sudo mv git-profile /usr/local/bin/git-profile`

bin/git-profile

@@ -8,10 +8,14 @@
  * @license   http://www.opensource.org/licenses/mit-license.html MIT License
  */
 
-$autoloader = __DIR__ . '/../vendor/autoload.php';
+if (file_exists(__DIR__ . '/../vendor/autoload.php')) {
+    $autoloader = __DIR__ . '/../vendor/autoload.php';
+} else {
+    $autoloader = __DIR__ . '/../../../autoload.php';
+}
 
-if(!file_exists($autoloader)) {
-	$stderr = fopen('php://stderr', 'w');
+if (!file_exists($autoloader)) {
+    $stderr = fopen('php://stderr', 'w');
     fwrite(
         $stderr,
         'Unable to find composer autoloader. Make sure dependencies are '
@@ -21,7 +25,7 @@ if(!file_exists($autoloader)) {
     fclose($stderr);
     exit(1);
 } else {
-	require_once $autoloader;	
+    require_once $autoloader;
 }
 
 use Zeeshan\GitProfile\GitProfile;

composer.json

@@ -28,5 +28,8 @@
         "psr-4": {
             "Tests\\": "tests"
         }
-    }
+    },
+    "bin": [
+        "bin/git-profile"
+    ]
 }