Fix parameters used to check if ssh-keygen exists to prevent an indefinite hang.

SamMousa · Dan Cryer · commit 3ade895e30f0 · 2015-02-03T11:15:52.000Z
Closes dancryer#764
diff --git a/PHPCI/Helper/SshKey.php b/PHPCI/Helper/SshKey.php
@@ -63,7 +63,7 @@ public function generate()
      */
     public function canGenerateKeys()
     {
-        $keygen = @shell_exec('ssh-keygen -h');
+        $keygen = @shell_exec('ssh-keygen --help');
         $canGenerateKeys = !empty($keygen);
 
         return $canGenerateKeys;

Original file line number	Diff line number	Diff line change
`@@ -63,7 +63,7 @@ public function generate()`
`63`	`63`	`*/`
`64`	`64`	`public function canGenerateKeys()`
`65`	`65`	`{`
`66`		`- $keygen = @shell_exec('ssh-keygen -h');`
	`66`	`+ $keygen = @shell_exec('ssh-keygen --help');`
`67`	`67`	`$canGenerateKeys = !empty($keygen);`
`68`	`68`
`69`	`69`	`return $canGenerateKeys;`