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  1. summary TortoiseGit Overall architecture

Introduction

This page introduces !TortoiseGit overall architecture. 

 * *!TortoiseGitShell* -- Explorer Shell extension, final output is !TortoiseGit.dll, which is loaded by Explorer. It checks if a directory is git repository, provides the overlay icons (in conjunction with TGitCache) and adds the !TortoiseGit-submenu/commands to the context menu. <br />Since !TortoiseGit 1.7.14, !TortoiseGitShell is no longer directly loaded by Explorer. An extra layer !TortoiseGitStub has been added. !TortoiseGitStub is loaded by Explorer, then !TortoiseGitStub loads !TortoiseGitShell.<br/>For every command selected in the context menu, !TortoiseGitProc is executed to handle it.<br/>
 * *!TortoiseGitProc* -- The main TGit GUI program, handles all commands such log, commit and so on.  The final output is !TortoiseGitProc.exe.

Before !TortoiseGit 1.7.15.1 (Preview), they were called as !TortoiseStub.dll and !TortoiseProc.exe repectively. (!TortoiseGit.dll remains unchanged)

How to get into !TortoiseGit?

Install the latest nightly build and enable "Debug" in the Advanced Settings, now you will see all calls made to !TortoiseGitProc.

Inside !TortoiseGitProc all different commands have their own handler classes and maybe dialogs (in MSVC you can see all the project directories for them).

Main class for functionality is the !AppUtils.cpp, which is called by many commands.

The log dialog and other revision lists are handled by the !GitLogListBase.cpp or derived classes (action handlers are in !GitLogListAction.cpp).

!GitStatusListCtrl.cpp is used everywhere where file lists are displayed in dialogs, such as log dialog and commit dialog.

How to build !TortoiseGit?

Get the source code and see http://code.google.com/p/tortoisegit/source/browse/build.txt.