Apply Patch Operations

[ddymko]

Add support for

1. applypatch-msg: This hook is called with a commit message proposed by git am. It can be used to validate or edit the message.
   2. pre-applypatch: This hook is run before the patch is applied. If it exits non-zero, the application of the patch is aborted.
   3. post-applypatch: This hook is executed after the patch is applied. It can be used for notifications or cleanup.

Note

pre-applypatch:

•	Description: Run before the patch is applied.
•	$1: Name of the file that contains the commit log message.

applypatch-msg:

•	Description: Used to check the commit log message before a patch is applied.
•	$1: Name of the file that contains the commit log message.