From c70b54c21b23eb01edf17ef376ecccb81665e041 Mon Sep 17 00:00:00 2001
From: Sebastian Feldmann <sebastianfeldmann@users.noreply.github.com>
Date: Sun, 23 Oct 2022 13:25:21 +0200
Subject: [PATCH] Detect squash and fixup commits

---
 src/CommitMessage.php           | 19 +++++++++++++++++++
 tests/git/CommitMessageTest.php | 24 ++++++++++++++++++++++++
 2 files changed, 43 insertions(+)

diff --git a/src/CommitMessage.php b/src/CommitMessage.php
index 965c3ce..913729b 100644
--- a/src/CommitMessage.php
+++ b/src/CommitMessage.php
@@ -109,6 +109,25 @@ public function isEmpty(): bool
         return empty($this->content);
     }
 
+    /**
+     * Is this a fixup commit
+     *
+     * @return bool
+     */
+    public function isFixup(): bool
+    {
+        return strpos($this->rawContent, 'fixup!') === 0;
+    }
+
+    /**
+     * Is this a squash commit
+     *
+     * @return bool
+     */
+    public function isSquash(): bool
+    {
+        return  strpos($this->rawContent, 'squash!') === 0;
+    }
 
     /**
      * Get commit message content
diff --git a/tests/git/CommitMessageTest.php b/tests/git/CommitMessageTest.php
index 903051d..1f0a066 100644
--- a/tests/git/CommitMessageTest.php
+++ b/tests/git/CommitMessageTest.php
@@ -33,6 +33,30 @@ public function testIsEmpty()
         $this->assertTrue($msg->isEmpty());
     }
 
+    /**
+     * Tests CommitMessage::isFixup
+     */
+    public function testIsFixup()
+    {
+        $msg = new CommitMessage('Some stuff');
+        $this->assertFalse($msg->isFixup());
+
+        $msg = new CommitMessage('fixup! Some stuff');
+        $this->assertTrue($msg->isFixup());
+    }
+
+    /**
+     * Tests CommitMessage::isSquash
+     */
+    public function testIsSquash()
+    {
+        $msg = new CommitMessage('Some stuff');
+        $this->assertFalse($msg->isSquash());
+
+        $msg = new CommitMessage('squash! Some stuff');
+        $this->assertTrue($msg->isSquash());
+    }
+
     /**
      * Tests CommitMessage::getSubject
      */