feat: bin path option closes #6

docs/README.md

@@ -51,6 +51,12 @@ return [
 ];
 ```
 
+### bin
+
+What executable to use. You might need to specify this option if there are multiple versions of Git on the machine.
+
+**Default:** `git`
+
 ### repo
 
 Path to a folder containing a Git repo (a `.git` folder).

index.php

@@ -12,6 +12,7 @@
 
 App::plugin('oblik/git', [
 	'options' => [
+		'bin' => 'git',
 		'repo' => kirby()->root('index'),
 		'remote' => 'origin',
 		'merge' => 'master',

lib/Git.php

@@ -8,6 +8,11 @@ class Git
 {
 	protected $config;
 
+	/**
+	 * Executable to run.
+	 */
+	protected $bin;
+
 	/**
 	 * Absolute path to a Git repo.
 	 */
@@ -36,6 +41,7 @@ class Git
 	public function __construct(array $config = [])
 	{
 		$this->config = $config;
+		$this->bin = $this->option('bin');
 		$this->repo = realpath($this->option('repo'));
 
 		if ($this->repo === false) {
@@ -62,7 +68,7 @@ public function exec(string $command)
 	{
 		$code = null;
 		$output = [];
-		$cmd = "git -C {$this->repo} {$command} 2>&1";
+		$cmd = "{$this->bin} -C {$this->repo} {$command} 2>&1";
 
 		if ($this->logfile) {
 			file_put_contents($this->logfile, $cmd . PHP_EOL, FILE_APPEND);