title: Two git.exe in MSYS2
body: <p>I found two binaries "git.exe" in my MSYS2 installation.</p>
  
  <p>The first one is under the following path:<br>
  "\msys64\usr\bin"</p>
  
  <p>The second one is under the following path:<br>
  "\msys64\usr\lib\git-core"</p>
  
  <p>Can someone describe the difference between the two ?</p>