Improved error reporting

src/Command/ApplyCommand.php

@@ -40,6 +40,10 @@ class ApplyCommand extends Command
             $output->writeln("<error>Error: ".$e->getMessage()."</error>");
             return;
         }
+        if (!$hotfix) {
+            $output->writeln("<error>Could not load hotfix</error>");
+            return;
+        }
 
         $output->writeln("");
         if (($signer = $hotfix->getSignedBy())) {

src/Hotfix/Hotfix.php

@@ -21,7 +21,9 @@ class Hotfix
 
     protected function load($hotfix)
     {
-        // echo $hotfix."\n\n";
+        if (strpos($hotfix, "\n---\n")===false) {
+            throw new \Exception("Hotfix is missing a proper header, is line endings wrong?");
+        }
         list ($header, $body) = explode("\n---\n", $hotfix, 2);
         $header = Yaml::parse($header);
         

src/Hotfix/Loader.php

@@ -43,7 +43,7 @@ class Loader
             }
             return new Hotfix($body, $signer);
         }
-        fprintf(STDERR, "Error: Couldn't load '%s'", $fix);
+        fprintf(STDERR, "Error: Couldn't load '%s'\n", $fix);
     }
 
     protected function verifySignature($body, $signature)

src/Hotfix/Loader/HttpLoader.php

@@ -6,6 +6,10 @@ class HttpLoader implements LoaderInterface
 {
     public function load($fix)
     {
+        if (preg_match("/^http[s]?:/", $fix)) {
+            $body = file_get_contents($fix);
+            return $body;
+        }
         return false;
     }
 }