title: git: patch does not apply
body: <p>I have a certain patch called my_pcc_branch.patch.</p>
  
  <p>When I try to apply it, I get following message:</p>
  
  <pre><code>$ git apply --check my_pcc_branch.patch
  warning: src/main/java/.../AbstractedPanel.java has type 100644, expected 100755
  error: patch failed: src/main/java/.../AbstractedPanel.java:13
  error: src/main/java/.../AbstractedPanel.java: patch does not apply
  </code></pre>
  
  <p>What does it mean?</p>
  
  <p>How can I fix this problem?</p>