Re: [PATCHv2 0/2] gitweb: Beginnings of splitting gitweb into modules

> Gitweb is currently next to largest file (after gitk) in git sources,
> more than 225KB with more than 7,000 lines.  Therefore adding any
> large feature that would require large amount of code added, like
> gitweb caching by J.H. and my rewrite of it, or "gitweb admin/write"
> [failed] GSoC 2010 project by Pavan Kumar Sunkara, would require for
> new code to be added as a separate module.  Otherwise gitweb would
> fast become unmaintainable.
> 
> Note that there is already patch series sent which as one of side
> effects splits the JavaScript side of gitweb into many smaller
> self-contained files:
> 
>   [PATCH 03/13] gitweb: Split JavaScript for maintability, combining on build
>   http://thread.gmane.org/gmane.comp.version-control.git/172384/focus=172385
> 
> Not in all cases splitting gitweb upfront would be required.  At least
> in the case of gitweb caching it doesn't.  What must be done however
> is preparing the infrastructure for modular gitweb sources; to
> properly test such infrastructure we need at least one split gitweb
> module.  With patch series preparing for splitting or true splitting of
> gitweb sent upfront the future patch series that implements
> code-extensive feature (like e.g. output caching) would be smaller and
> easier to review.
> 
> 
> This series is intended to bring such infrastructure to gitweb, to
> prepare way for adding output caching to gitweb. Alternatively it can
> be thought as beginning of splitting gitweb into smaller submodules,
> for better maintainability.
> 
> This patch series was sent to git mailing list as
> 
>   [PATCH 0/2] gitweb: Begin splitting gitweb
>   http://thread.gmane.org/gmane.comp.version-control.git/165824
> 
> In the above mentioned first version of this series, the first patch
> that prepared the way for splitting gitweb was in three versions: A, B
> and C.  In this second version of this series the first patch in
> series most closely resembles version C in v1 series.
> 
> In this version gitweb uses _both_ 'use lib __DIR__."/lib";' and
> 'use lib "++GITWEBLIBDIR++";', in correct order (as compared to
> version C of v1 series), so that __DIR__."/lib" is checked first,
> i.e. modules installed alongside gitweb.cgi win.
> 
> Pull request:
> ~~~~~~~~~~~~~
> This series is available in the git repository at:
>   git://repo.or.cz/git/jnareb-git.git gitweb/split
>   git://github.com/jnareb/git.git gitweb/split
> 
> Well, those patches has a few minor cosmetic fixups...
> 
> Table of contents:
> ~~~~~~~~~~~~~~~~~~
> * [PATCHv2 1/2] gitweb: Prepare for splitting gitweb
>   [PATCHv2 2/2] gitweb: Create Gitweb::Util module
> 
>   First patch implements infrastructure, second proof of concept patch uses
>   this infrastructure, testing it ("make -C gitweb test-installed").
> 
> Shortlog:
> ~~~~~~~~~
> Jakub Narebski (1):
>   gitweb: Prepare for splitting gitweb
> 
> Pavan Kumar Sunkara (1):
>   gitweb: Create Gitweb::Util module
> 
> Diffstat:
> ~~~~~~~~~
>  gitweb/INSTALL            |    7 ++
>  gitweb/Makefile           |   23 ++++++-
>  gitweb/gitweb.perl        |  151 ++++-----------------------------------
>  gitweb/lib/Gitweb/Util.pm |  177 +++++++++++++++++++++++++++++++++++++++++++++
>  4 files changed, 219 insertions(+), 139 deletions(-)
>  create mode 100755 gitweb/lib/Gitweb/Util.pm
>