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git/gitweb
Ramsay Jones e3a9237e84 gitweb/Makefile: conditionally include ../GIT-VERSION-FILE
The 'clean' target is still noticeably slow on cygwin, despite the
improvements made by previous patches. For example, the second
invocation of 'make clean' below:

  $ make clean >/dev/null 2>&1
  $ make clean
  ...
  make[1]: Entering directory '/home/ramsay/git/gitweb'
  make[2]: Entering directory '/home/ramsay/git'
  make[2]: 'GIT-VERSION-FILE' is up to date.
  make[2]: Leaving directory '/home/ramsay/git'
  ...
  $

has been timed at 10.361s on my laptop (an old core i5-4200M @ 2.50GHz,
8GB RAM, 1TB HDD).

Notice that the 'clean' target is making a nested call to the parent
Makefile to ensure that the GIT-VERSION-FILE is up-to-date. This is to
ensure that the $(GIT_VERSION) make variable is set, once that file had
been included. However, the 'clean' target does not use the $(GIT_VERSION)
variable, directly or indirectly, so it does not have any affect on what
the target removes. Therefore, the time spent on ensuring an up to date
GIT-VERSION-FILE is wasted effort.

In order to eliminate such wasted effort, use the value of the internal
$(MAKECMDGOALS) variable to only '-include ../GIT-VERSION-FILE' when the
target is not 'clean'. (This drops the time down to 8.430s, on my laptop,
giving an improvement of 18.64%).

Signed-off-by: Ramsay Jones <ramsay@ramsayjones.plus.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-12-08 16:56:56 -08:00
..
static gitweb: correctly store previous rev in javascript-actions mode 2019-10-28 11:06:57 +09:00
INSTALL gitweb: hard-depend on the Digest::MD5 5.8 module 2018-03-05 10:52:27 -08:00
Makefile gitweb/Makefile: conditionally include ../GIT-VERSION-FILE 2020-12-08 16:56:56 -08:00
README gitweb/README: remove reference to git.kernel.org 2013-03-07 11:38:33 -08:00
gitweb.perl Merge branch 'eb/gitweb-more-trailers' 2020-05-01 13:39:56 -07:00

GIT web Interface
=================

From the git version 1.4.0 gitweb is bundled with git.


Build time gitweb configuration
-------------------------------
There are many configuration variables which affect building gitweb (among
others creating gitweb.cgi out of gitweb.perl by replacing placeholders such
as `++GIT_BINDIR++` by their build-time values).

Building and installing gitweb is described in gitweb's INSTALL file
(in 'gitweb/INSTALL').


Runtime gitweb configuration
----------------------------
Gitweb obtains configuration data from the following sources in the
following order:

1. built-in values (some set during build stage),
2. common system-wide configuration file (`GITWEB_CONFIG_COMMON`,
   defaults to '/etc/gitweb-common.conf'),
3. either per-instance configuration file (`GITWEB_CONFIG`, defaults to
   'gitweb_config.perl' in the same directory as the installed gitweb),
   or if it does not exists then system-wide configuration file
   (`GITWEB_CONFIG_SYSTEM`, defaults to '/etc/gitweb.conf').

Values obtained in later configuration files override values obtained earlier
in above sequence.

You can read defaults in system-wide GITWEB_CONFIG_SYSTEM from GITWEB_CONFIG
by adding

  read_config_file($GITWEB_CONFIG_SYSTEM);

at very beginning of per-instance GITWEB_CONFIG file.  In this case
settings in said per-instance file will override settings from
system-wide configuration file.  Note that read_config_file checks
itself that the $GITWEB_CONFIG_SYSTEM file exists.

The most notable thing that is not configurable at compile time are the
optional features, stored in the '%features' variable.

Ultimate description on how to reconfigure the default features setting
in your `GITWEB_CONFIG` or per-project in `project.git/config` can be found
as comments inside 'gitweb.cgi'.

See also gitweb.conf(5) manpage.


Web server configuration
------------------------
Gitweb can be run as CGI script, as legacy mod_perl application (using
ModPerl::Registry), and as FastCGI script.  You can find some simple examples
in "Example web server configuration" section in INSTALL file for gitweb (in
gitweb/INSTALL).

See "Webserver configuration" and "Advanced web server setup" sections in
gitweb(1) manpage.


AUTHORS
-------
Originally written by:
  Kay Sievers <kay.sievers@vrfy.org>

Any comment/question/concern to:
  Git mailing list <git@vger.kernel.org>