Properly check the detected ranges

Since the range detector can return zero revs we have to check on
the outside to make sure to not run commands with any zero revisions.

src/Hook/Branch/Action/BlockFixupAndSquashCommits.php

@@ -16,7 +16,6 @@
 use CaptainHook\App\Exception\ActionFailed;
 use CaptainHook\App\Git\Range\Detector\PrePush;
 use CaptainHook\App\Hook\Action;
-use CaptainHook\App\Hook\Input;
 use CaptainHook\App\Hook\Restriction;
 use CaptainHook\App\Hooks;
 use SebastianFeldmann\Git\Repository;
@@ -91,16 +90,16 @@ public static function getRestriction(): Restriction
      */
     public function execute(Config $config, IO $io, Repository $repository, Config\Action $action): void
     {
-        $refDetector = new PrePush();
-        $refsToPush  = $refDetector->getRanges($io);
+        $rangeDetector = new PrePush();
+        $rangesToPush  = $rangeDetector->getRanges($io);
 
-        if (empty($refsToPush)) {
+        if (!$this->hasFoundRangesToCheck($rangesToPush)) {
             return;
         }
 
         $this->handleOptions($action->getOptions());
 
-        foreach ($refsToPush as $range) {
+        foreach ($rangesToPush as $range) {
             if (!empty($this->protectedBranches) && !in_array($range->from()->branch(), $this->protectedBranches)) {
                 return;
             }
@@ -175,7 +174,7 @@ private function getTypesToBlock(): array
     private function hasToBeBlocked(string $message, array $typesToCheck): bool
     {
         foreach ($typesToCheck as $type) {
-            if (strpos($message, $type) === 0) {
+            if (str_starts_with($message, $type)) {
                 return true;
             }
         }
@@ -203,4 +202,24 @@ private function handleFailure(array $commits, string $branch): void
             . implode(PHP_EOL, $out)
         );
     }
+
+    /**
+     * Checks if we found valid ranges to check
+     *
+     * @param array<\CaptainHook\App\Git\Range\PrePush> $rangesToPush
+     * @return bool
+     */
+    private function hasFoundRangesToCheck(array $rangesToPush): bool
+    {
+        if (empty($rangesToPush)) {
+            return false;
+        }
+        if ($rangesToPush[0]->from()->isZeroRev()) {
+            return false;
+        }
+        if ($rangesToPush[0]->to()->isZeroRev()) {
+            return false;
+        }
+        return true;
+    }
 }