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git/gitweb
Ævar Arnfjörð Bjarmason 8059966cc4 gitweb: link to 7-char+ SHA-1s, not only 8-char+
Change the minimum length of an abbreviated object identifier in the
commit message gitweb tries to turn into link from 8 hexchars to 7.

This arbitrary minimum length of 8 was introduced in bfe2191 ("gitweb:
SHA-1 in commit log message links to "object" view", 2006-12-10), but
the default abbreviation length is 7, and has been for a long time.

It's still possible to reference SHA-1s down to 4 characters in length,
see v1.7.4-1-gdce9648's MINIMUM_ABBREV, but I can't see how to make
git actually produce that, so I doubt anyone is putting that into log
messages in practice, but people definitely do put 7 character SHA-1s
into log messages.

I think it's fairly dubious to link to things matching [0-9a-fA-F]
here as opposed to just [0-9a-f], that dates back to the initial
version of gitweb from 161332a ("first working version",
2005-08-07). Git will accept all-caps SHA-1s, but didn't ever produce
them as far as I can tell.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Acked-by: Jakub Narębski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-10-14 13:22:51 -07:00
..
static gitweb: Avoid overflowing page body frame with large images 2014-02-20 09:50:14 -08:00
INSTALL gitweb/INSTALL: Simplify description of GITWEB_CONFIG_SYSTEM 2013-04-15 07:25:46 -07:00
Makefile Merge branch 'rj/gitweb-clean-js' 2011-10-27 12:04:21 -07:00
README gitweb/README: remove reference to git.kernel.org 2013-03-07 11:38:33 -08:00
gitweb.perl gitweb: link to 7-char+ SHA-1s, not only 8-char+ 2016-10-14 13:22:51 -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>