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GITWEB.CONF(5) Git Manual GITWEB.CONF(5)

NAME
gitweb.conf - Gitweb (Git web interface) configuration file

SYNOPSIS
/etc/gitweb.conf, /etc/gitweb-common.conf,
$GITWEBDIR/gitweb_config.perl

DESCRIPTION
The gitweb CGI script for viewing Git repositories over the web uses a
perl script fragment as its configuration file. You can set variables
using "our $variable = value"; text from a "#" character until the end
of a line is ignored. See perlsyn(1) for details.

An example:

# gitweb configuration file for http://git.example.org
#
our $projectroot = "/srv/git"; # FHS recommendation
our $site_name = 'Example.org >> Repos';

The configuration file is used to override the default settings that
were built into gitweb at the time the gitweb.cgi script was generated.

While one could just alter the configuration settings in the gitweb CGI
itself, those changes would be lost upon upgrade. Configuration
settings might also be placed into a file in the same directory as the
CGI script with the default name gitweb_config.perl -- allowing one to
have multiple gitweb instances with different configurations by the use
of symlinks.

Note that some configuration can be controlled on per-repository rather
than gitweb-wide basis: see "Per-repository gitweb configuration"
subsection on gitweb(1) manpage.

DISCUSSION
Gitweb reads configuration data from the following sources in the
following order:

o built-in values (some set during build stage),

o common system-wide configuration file (defaults to
/etc/gitweb-common.conf),

o either per-instance configuration file (defaults to
gitweb_config.perl in the same directory as the installed gitweb),
or if it does not exists then fallback system-wide configuration
file (defaults to /etc/gitweb.conf).

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

Locations of the common system-wide configuration file, the fallback
system-wide configuration file and the per-instance configuration file
are defined at compile time using build-time Makefile configuration
variables, respectively GITWEB_CONFIG_COMMON, GITWEB_CONFIG_SYSTEM and
GITWEB_CONFIG.

You can also override locations of gitweb configuration files during
runtime by setting the following environment variables:
GITWEB_CONFIG_COMMON, GITWEB_CONFIG_SYSTEM and GITWEB_CONFIG to a
non-empty value.

The syntax of the configuration files is that of Perl, since these
files are handled by sourcing them as fragments of Perl code (the
language that gitweb itself is written in). Variables are typically set
using the our qualifier (as in "our $variable = <value>;") to avoid
syntax errors if a new version of gitweb no longer uses a variable and
therefore stops declaring it.

You can include other configuration file using read_config_file()
subroutine. For example, one might want to put gitweb configuration
related to access control for viewing repositories via Gitolite (one of
Git repository management tools) in a separate file, e.g. in
/etc/gitweb-gitolite.conf. To include it, put

read_config_file("/etc/gitweb-gitolite.conf");

somewhere in gitweb configuration file used, e.g. in per-installation
gitweb configuration file. Note that read_config_file() checks itself
that the file it reads exists, and does nothing if it is not found. It
also handles errors in included file.

The default configuration with no configuration file at all may work
perfectly well for some installations. Still, a configuration file is
useful for customizing or tweaking the behavior of gitweb in many ways,
and some optional features will not be present unless explicitly
enabled using the configurable %features variable (see also
"Configuring gitweb features" section below).

CONFIGURATION VARIABLES
Some configuration variables have their default values (embedded in the
CGI script) set during building gitweb -- if that is the case, this
fact is put in their description. See gitweb's INSTALL file for
instructions on building and installing gitweb.

Location of repositories
The configuration variables described below control how gitweb finds
Git repositories, and how repositories are displayed and accessed.

See also "Repositories" and later subsections in gitweb(1) manpage.

$projectroot
Absolute filesystem path which will be prepended to project path;
the path to repository is $projectroot/$project. Set to
$GITWEB_PROJECTROOT during installation. This variable has to be
set correctly for gitweb to find repositories.

For example, if $projectroot is set to "/srv/git" by putting the
following in gitweb config file:

our $projectroot = "/srv/git";

then

http://git.example.com/gitweb.cgi?p=foo/bar.git

and its path_info based equivalent

http://git.example.com/gitweb.cgi/foo/bar.git

will map to the path /srv/git/foo/bar.git on the filesystem.

$projects_list
Name of a plain text file listing projects, or a name of directory
to be scanned for projects.

Project list files should list one project per line, with each line
having the following format

<URI-encoded filesystem path to repository> SP <URI-encoded repository owner>

The default value of this variable is determined by the GITWEB_LIST
makefile variable at installation time. If this variable is empty,
gitweb will fall back to scanning the $projectroot directory for
repositories.

$project_maxdepth
If $projects_list variable is unset, gitweb will recursively scan
filesystem for Git repositories. The $project_maxdepth is used to
limit traversing depth, relative to $projectroot (starting point);
it means that directories which are further from $projectroot than
$project_maxdepth will be skipped.

It is purely performance optimization, originally intended for
MacOS X, where recursive directory traversal is slow. Gitweb
follows symbolic links, but it detects cycles, ignoring any
duplicate files and directories.

The default value of this variable is determined by the build-time
configuration variable GITWEB_PROJECT_MAXDEPTH, which defaults to
2007.

$export_ok
Show repository only if this file exists (in repository). Only
effective if this variable evaluates to true. Can be set when
building gitweb by setting GITWEB_EXPORT_OK. This path is relative
to GIT_DIR. git-daemon[1] uses git-daemon-export-ok, unless started
with --export-all. By default this variable is not set, which means
that this feature is turned off.

$export_auth_hook
Function used to determine which repositories should be shown. This
subroutine should take one parameter, the full path to a project,
and if it returns true, that project will be included in the
projects list and can be accessed through gitweb as long as it
fulfills the other requirements described by $export_ok,
$projects_list, and $projects_maxdepth. Example:

our $export_auth_hook = sub { return -e "$_[0]/git-daemon-export-ok"; };

though the above might be done by using $export_ok instead

our $export_ok = "git-daemon-export-ok";

If not set (default), it means that this feature is disabled.

See also more involved example in "Controlling access to Git
repositories" subsection on gitweb(1) manpage.

$strict_export
Only allow viewing of repositories also shown on the overview page.
This for example makes $export_ok file decide if repository is
available and not only if it is shown. If $projects_list points to
file with list of project, only those repositories listed would be
available for gitweb. Can be set during building gitweb via
GITWEB_STRICT_EXPORT. By default this variable is not set, which
means that you can directly access those repositories that are
hidden from projects list page (e.g. the are not listed in the
$projects_list file).

Finding files
The following configuration variables tell gitweb where to find files.
The values of these variables are paths on the filesystem.

$GIT
Core git executable to use. By default set to $GIT_BINDIR/git,
which in turn is by default set to $(bindir)/git. If you use Git
installed from a binary package, you should usually set this to
"/usr/bin/git". This can just be "git" if your web server has a
sensible PATH; from security point of view it is better to use
absolute path to git binary. If you have multiple Git versions
installed it can be used to choose which one to use. Must be
(correctly) set for gitweb to be able to work.

$mimetypes_file
File to use for (filename extension based) guessing of MIME types
before trying /etc/mime.types. NOTE that this path, if relative,
is taken as relative to the current Git repository, not to CGI
script. If unset, only /etc/mime.types is used (if present on
filesystem). If no mimetypes file is found, mimetype guessing based
on extension of file is disabled. Unset by default.

$highlight_bin
Path to the highlight executable to use (it must be the one from
http://www.andre-simon.de due to assumptions about parameters and
output). By default set to highlight; set it to full path to
highlight executable if it is not installed on your web server's
PATH. Note that highlight feature must be set for gitweb to
actually use syntax highlighting.

NOTE: for a file to be highlighted, its syntax type must be
detected and that syntax must be supported by "highlight". The
default syntax detection is minimal, and there are many supported
syntax types with no detection by default. There are three options
for adding syntax detection. The first and second priority are
%highlight_basename and %highlight_ext, which detect based on
basename (the full filename, for example "Makefile") and extension
(for example "sh"). The keys of these hashes are the basename and
extension, respectively, and the value for a given key is the name
of the syntax to be passed via --syntax <syntax> to "highlight".
The last priority is the "highlight" configuration of Shebang
regular expressions to detect the language based on the first line
in the file, (for example, matching the line "#!/bin/bash"). See
the highlight documentation and the default config at
/etc/highlight/filetypes.conf for more details.

For example if repositories you are hosting use "phtml" extension
for PHP files, and you want to have correct syntax-highlighting for
those files, you can add the following to gitweb configuration:

our %highlight_ext;
$highlight_ext{'phtml'} = 'php';

Links and their targets
The configuration variables described below configure some of gitweb
links: their target and their look (text or image), and where to find
page prerequisites (stylesheet, favicon, images, scripts). Usually they
are left at their default values, with the possible exception of
@stylesheets variable.

@stylesheets
List of URIs of stylesheets (relative to the base URI of a page).
You might specify more than one stylesheet, for example to use
"gitweb.css" as base with site specific modifications in a separate
stylesheet to make it easier to upgrade gitweb. For example, you
can add a site stylesheet by putting

push @stylesheets, "gitweb-site.css";

in the gitweb config file. Those values that are relative paths are
relative to base URI of gitweb.

This list should contain the URI of gitweb's standard stylesheet.
The default URI of gitweb stylesheet can be set at build time using
the GITWEB_CSS makefile variable. Its default value is
static/gitweb.css (or static/gitweb.min.css if the CSSMIN variable
is defined, i.e. if CSS minifier is used during build).

Note: there is also a legacy $stylesheet configuration variable,
which was used by older gitweb. If $stylesheet variable is defined,
only CSS stylesheet given by this variable is used by gitweb.

$logo
Points to the location where you put git-logo.png on your web
server, or to be more the generic URI of logo, 72x27 size). This
image is displayed in the top right corner of each gitweb page and
used as a logo for the Atom feed. Relative to the base URI of
gitweb (as a path). Can be adjusted when building gitweb using
GITWEB_LOGO variable By default set to static/git-logo.png.

$favicon
Points to the location where you put git-favicon.png on your web
server, or to be more the generic URI of favicon, which will be
served as "image/png" type. Web browsers that support favicons
(website icons) may display them in the browser's URL bar and next
to the site name in bookmarks. Relative to the base URI of gitweb.
Can be adjusted at build time using GITWEB_FAVICON variable. By
default set to static/git-favicon.png.

$javascript
Points to the location where you put gitweb.js on your web server,
or to be more generic the URI of JavaScript code used by gitweb.
Relative to the base URI of gitweb. Can be set at build time using
the GITWEB_JS build-time configuration variable.

The default value is either static/gitweb.js, or
static/gitweb.min.js if the JSMIN build variable was defined, i.e.
if JavaScript minifier was used at build time. Note that this
single file is generated from multiple individual JavaScript
"modules".

$home_link
Target of the home link on the top of all pages (the first part of
view "breadcrumbs"). By default it is set to the absolute URI of a
current page (to the value of $my_uri variable, or to "/" if
$my_uri is undefined or is an empty string).

$home_link_str
Label for the "home link" at the top of all pages, leading to
$home_link (usually the main gitweb page, which contains the
projects list). It is used as the first component of gitweb's
"breadcrumb trail": <home link> / <project> / <action>. Can be set
at build time using the GITWEB_HOME_LINK_STR variable. By default
it is set to "projects", as this link leads to the list of
projects. Another popular choice is to set it to the name of site.
Note that it is treated as raw HTML so it should not be set from
untrusted sources.

@extra_breadcrumbs
Additional links to be added to the start of the breadcrumb trail
before the home link, to pages that are logically "above" the
gitweb projects list, such as the organization and department which
host the gitweb server. Each element of the list is a reference to
an array, in which element 0 is the link text (equivalent to
$home_link_str) and element 1 is the target URL (equivalent to
$home_link).

For example, the following setting produces a breadcrumb trail like
"home / dev / projects / ..." where "projects" is the home link.

our @extra_breadcrumbs = (
[ 'home' => 'https://www.example.org/' ],
[ 'dev' => 'https://dev.example.org/' ],
);

$logo_url, $logo_label
URI and label (title) for the Git logo link (or your site logo, if
you chose to use different logo image). By default, these both
refer to Git homepage, https://git-scm.com; in the past, they
pointed to Git documentation at https://www.kernel.org.

Changing gitweb's look
You can adjust how pages generated by gitweb look using the variables
described below. You can change the site name, add common headers and
footers for all pages, and add a description of this gitweb
installation on its main page (which is the projects list page), etc.

$site_name
Name of your site or organization, to appear in page titles. Set it
to something descriptive for clearer bookmarks etc. If this
variable is not set or is, then gitweb uses the value of the
SERVER_NAME CGI environment variable, setting site name to
"$SERVER_NAME Git", or "Untitled Git" if this variable is not set
(e.g. if running gitweb as standalone script).

Can be set using the GITWEB_SITENAME at build time. Unset by
default.

$site_html_head_string
HTML snippet to be included in the <head> section of each page. Can
be set using GITWEB_SITE_HTML_HEAD_STRING at build time. No default
value.

$site_header
Name of a file with HTML to be included at the top of each page.
Relative to the directory containing the gitweb.cgi script. Can be
set using GITWEB_SITE_HEADER at build time. No default value.

$site_footer
Name of a file with HTML to be included at the bottom of each page.
Relative to the directory containing the gitweb.cgi script. Can be
set using GITWEB_SITE_FOOTER at build time. No default value.

$home_text
Name of a HTML file which, if it exists, is included on the gitweb
projects overview page ("projects_list" view). Relative to the
directory containing the gitweb.cgi script. Default value can be
adjusted during build time using GITWEB_HOMETEXT variable. By
default set to indextext.html.

$projects_list_description_width
The width (in characters) of the "Description" column of the
projects list. Longer descriptions will be truncated (trying to cut
at word boundary); the full description is available in the title
attribute (usually shown on mouseover). The default is 25, which
might be too small if you use long project descriptions.

$default_projects_order
Default value of ordering of projects on projects list page, which
means the ordering used if you don't explicitly sort projects list
(if there is no "o" CGI query parameter in the URL). Valid values
are "none" (unsorted), "project" (projects are by project name,
i.e. path to repository relative to $projectroot), "descr" (project
description), "owner", and "age" (by date of most current commit).

Default value is "project". Unknown value means unsorted.

Changing gitweb's behavior
These configuration variables control internal gitweb behavior.

$default_blob_plain_mimetype
Default mimetype for the blob_plain (raw) view, if mimetype
checking doesn't result in some other type; by default
"text/plain". Gitweb guesses mimetype of a file to display based on
extension of its filename, using $mimetypes_file (if set and file
exists) and /etc/mime.types files (see mime.types(5) manpage; only
filename extension rules are supported by gitweb).

$default_text_plain_charset
Default charset for text files. If this is not set, the web server
configuration will be used. Unset by default.

$fallback_encoding
Gitweb assumes this charset when a line contains non-UTF-8
characters. The fallback decoding is used without error checking,
so it can be even "utf-8". The value must be a valid encoding; see
the Encoding::Supported(3pm) man page for a list. The default is
"latin1", aka. "iso-8859-1".

@diff_opts
Rename detection options for git-diff and git-diff-tree. The
default is ('-M'); set it to ('-C') or ('-C', '-C') to also detect
copies, or set it to () i.e. empty list if you don't want to have
renames detection.

Note that rename and especially copy detection can be quite
CPU-intensive. Note also that non Git tools can have problems with
patches generated with options mentioned above, especially when
they involve file copies ('-C') or criss-cross renames ('-B').

Some optional features and policies
Most of features are configured via %feature hash; however some of
extra gitweb features can be turned on and configured using variables
described below. This list beside configuration variables that control
how gitweb looks does contain variables configuring administrative side
of gitweb (e.g. cross-site scripting prevention; admittedly this as
side effect affects how "summary" pages look like, or load limiting).

@git_base_url_list
List of Git base URLs. These URLs are used to generate URLs
describing from where to fetch a project, which are shown on
project summary page. The full fetch URL is
"$git_base_url/$project", for each element of this list. You can
set up multiple base URLs (for example one for git:// protocol, and
one for http:// protocol).

Note that per repository configuration can be set in
$GIT_DIR/cloneurl file, or as values of multi-value gitweb.url
configuration variable in project config. Per-repository
configuration takes precedence over value composed from
@git_base_url_list elements and project name.

You can setup one single value (single entry/item in this list) at
build time by setting the GITWEB_BASE_URL build-time configuration
variable. By default it is set to (), i.e. an empty list. This
means that gitweb would not try to create project URL (to fetch)
from project name.

$projects_list_group_categories
Whether to enable the grouping of projects by category on the
project list page. The category of a project is determined by the
$GIT_DIR/category file or the gitweb.category variable in each
repository's configuration. Disabled by default (set to 0).

$project_list_default_category
Default category for projects for which none is specified. If this
is set to the empty string, such projects will remain uncategorized
and listed at the top, above categorized projects. Used only if
project categories are enabled, which means if
$projects_list_group_categories is true. By default set to ""
(empty string).

$prevent_xss
If true, some gitweb features are disabled to prevent content in
repositories from launching cross-site scripting (XSS) attacks. Set
this to true if you don't trust the content of your repositories.
False by default (set to 0).

$maxload
Used to set the maximum load that we will still respond to gitweb
queries. If the server load exceeds this value then gitweb will
return "503 Service Unavailable" error. The server load is taken to
be 0 if gitweb cannot determine its value. Currently it works only
on Linux, where it uses /proc/loadavg; the load there is the number
of active tasks on the system -- processes that are actually
running -- averaged over the last minute.

Set $maxload to undefined value (undef) to turn this feature off.
The default value is 300.

$omit_age_column
If true, omit the column with date of the most current commit on
the projects list page. It can save a bit of I/O and a fork per
repository.

$omit_owner
If true prevents displaying information about repository owner.

$per_request_config
If this is set to code reference, it will be run once for each
request. You can set parts of configuration that change per session
this way. For example, one might use the following code in a gitweb
configuration file

our $per_request_config = sub {
$ENV{GL_USER} = $cgi->remote_user || "gitweb";
};

If $per_request_config is not a code reference, it is interpreted
as boolean value. If it is true gitweb will process config files
once per request, and if it is false gitweb will process config
files only once, each time it is executed. True by default (set to
1).

NOTE: $my_url, $my_uri, and $base_url are overwritten with their
default values before every request, so if you want to change them,
be sure to set this variable to true or a code reference effecting
the desired changes.

This variable matters only when using persistent web environments
that serve multiple requests using single gitweb instance, like
mod_perl, FastCGI or Plackup.

Other variables
Usually you should not need to change (adjust) any of configuration
variables described below; they should be automatically set by gitweb
to correct value.

$version
Gitweb version, set automatically when creating gitweb.cgi from
gitweb.perl. You might want to modify it if you are running
modified gitweb, for example

our $version .= " with caching";

if you run modified version of gitweb with caching support. This
variable is purely informational, used e.g. in the "generator" meta
header in HTML header.

$my_url, $my_uri
Full URL and absolute URL of the gitweb script; in earlier versions
of gitweb you might have need to set those variables, but now there
should be no need to do it. See $per_request_config if you need to
set them still.

$base_url
Base URL for relative URLs in pages generated by gitweb, (e.g.
$logo, $favicon, @stylesheets if they are relative URLs), needed
and used <base href="$base_url"> only for URLs with nonempty
PATH_INFO. Usually gitweb sets its value correctly, and there is no
need to set this variable, e.g. to $my_uri or "/". See
$per_request_config if you need to override it anyway.

CONFIGURING GITWEB FEATURES
Many gitweb features can be enabled (or disabled) and configured using
the %feature hash. Names of gitweb features are keys of this hash.

Each %feature hash element is a hash reference and has the following
structure:

"<feature_name>" => {
"sub" => <feature-sub (subroutine)>,
"override" => <allow-override (boolean)>,
"default" => [ <options>... ]
},

Some features cannot be overridden per project. For those features the
structure of appropriate %feature hash element has a simpler form:

"<feature_name>" => {
"override" => 0,
"default" => [ <options>... ]
},

As one can see it lacks the 'sub' element.

The meaning of each part of feature configuration is described below:

default
List (array reference) of feature parameters (if there are any),
used also to toggle (enable or disable) given feature.

Note that it is currently always an array reference, even if
feature doesn't accept any configuration parameters, and 'default'
is used only to turn it on or off. In such case you turn feature on
by setting this element to [1], and torn it off by setting it to
[0]. See also the passage about the "blame" feature in the
"Examples" section.

To disable features that accept parameters (are configurable), you
need to set this element to empty list i.e. [].

override
If this field has a true value then the given feature is
overridable, which means that it can be configured (or
enabled/disabled) on a per-repository basis.

Usually given "<feature>" is configurable via the gitweb.<feature>
config variable in the per-repository Git configuration file.

Note that no feature is overridable by default.

sub
Internal detail of implementation. What is important is that if
this field is not present then per-repository override for given
feature is not supported.

You wouldn't need to ever change it in gitweb config file.

Features in %feature
The gitweb features that are configurable via %feature hash are listed
below. This should be a complete list, but ultimately the authoritative
and complete list is in gitweb.cgi source code, with features described
in the comments.

blame
Enable the "blame" and "blame_incremental" blob views, showing for
each line the last commit that modified it; see git-blame(1). This
can be very CPU-intensive and is therefore disabled by default.

This feature can be configured on a per-repository basis via
repository's gitweb.blame configuration variable (boolean).

snapshot
Enable and configure the "snapshot" action, which allows user to
download a compressed archive of any tree or commit, as produced by
git-archive(1) and possibly additionally compressed. This can
potentially generate high traffic if you have large project.

The value of 'default' is a list of names of snapshot formats,
defined in %known_snapshot_formats hash, that you wish to offer.
Supported formats include "tgz", "tbz2", "txz" (gzip/bzip2/xz
compressed tar archive) and "zip"; please consult gitweb sources
for a definitive list. By default only "tgz" is offered.

This feature can be configured on a per-repository basis via
repository's gitweb.snapshot configuration variable, which contains
a comma separated list of formats or "none" to disable snapshots.
Unknown values are ignored.

grep
Enable grep search, which lists the files in currently selected
tree (directory) containing the given string; see git-grep(1). This
can be potentially CPU-intensive, of course. Enabled by default.

This feature can be configured on a per-repository basis via
repository's gitweb.grep configuration variable (boolean).

pickaxe
Enable the so called pickaxe search, which will list the commits
that introduced or removed a given string in a file. This can be
practical and quite faster alternative to "blame" action, but it is
still potentially CPU-intensive. Enabled by default.

The pickaxe search is described in git-log(1) (the description of
-S<string> option, which refers to pickaxe entry in gitdiffcore(7)
for more details).

This feature can be configured on a per-repository basis by setting
repository's gitweb.pickaxe configuration variable (boolean).

show-sizes
Enable showing size of blobs (ordinary files) in a "tree" view, in
a separate column, similar to what ls -l does; see description of
-l option in git-ls-tree(1) manpage. This costs a bit of I/O.
Enabled by default.

This feature can be configured on a per-repository basis via
repository's gitweb.showSizes configuration variable (boolean).

patches
Enable and configure "patches" view, which displays list of commits
in email (plain text) output format; see also git-format-patch(1).
The value is the maximum number of patches in a patchset generated
in "patches" view. Set the default field to a list containing
single item of or to an empty list to disable patch view, or to a
list containing a single negative number to remove any limit.
Default value is 16.

This feature can be configured on a per-repository basis via
repository's gitweb.patches configuration variable (integer).

avatar
Avatar support. When this feature is enabled, views such as
"shortlog" or "commit" will display an avatar associated with the
email of each committer and author.

Currently available providers are "gravatar" and "picon". Only one
provider at a time can be selected (default is one element list).
If an unknown provider is specified, the feature is disabled. Note
that some providers might require extra Perl packages to be
installed; see gitweb/INSTALL for more details.

This feature can be configured on a per-repository basis via
repository's gitweb.avatar configuration variable.

See also %avatar_size with pixel sizes for icons and avatars
("default" is used for one-line like "log" and "shortlog", "double"
is used for two-line like "commit", "commitdiff" or "tag"). If the
default font sizes or lineheights are changed (e.g. via adding
extra CSS stylesheet in @stylesheets), it may be appropriate to
change these values.

email-privacy
Redact e-mail addresses from the generated HTML, etc. content. This
obscures e-mail addresses retrieved from the author/committer and
comment sections of the Git log. It is meant to hinder web crawlers
that harvest and abuse addresses. Such crawlers may not respect
robots.txt. Note that users and user tools also see the addresses
as redacted. If Gitweb is not the final step in a workflow then
subsequent steps may misbehave because of the redacted information
they receive. Disabled by default.

highlight
Server-side syntax highlight support in "blob" view. It requires
$highlight_bin program to be available (see the description of this
variable in the "Configuration variables" section above), and
therefore is disabled by default.

This feature can be configured on a per-repository basis via
repository's gitweb.highlight configuration variable (boolean).

remote_heads
Enable displaying remote heads (remote-tracking branches) in the
"heads" list. In most cases the list of remote-tracking branches is
an unnecessary internal private detail, and this feature is
therefore disabled by default. git-instaweb(1), which is usually
used to browse local repositories, enables and uses this feature.

This feature can be configured on a per-repository basis via
repository's gitweb.remote_heads configuration variable (boolean).

The remaining features cannot be overridden on a per project basis.

search
Enable text search, which will list the commits which match author,
committer or commit text to a given string; see the description of
--author, --committer and --grep options in git-log(1) manpage.
Enabled by default.

Project specific override is not supported.

forks
If this feature is enabled, gitweb considers projects in
subdirectories of project root (basename) to be forks of existing
projects. For each project $projname.git, projects in the
$projname/ directory and its subdirectories will not be shown in
the main projects list. Instead, a '+' mark is shown next to
$projname, which links to a "forks" view that lists all the forks
(all projects in $projname/ subdirectory). Additionally a "forks"
view for a project is linked from project summary page.

If the project list is taken from a file ($projects_list points to
a file), forks are only recognized if they are listed after the
main project in that file.

Project specific override is not supported.

actions
Insert custom links to the action bar of all project pages. This
allows you to link to third-party scripts integrating into gitweb.

The "default" value consists of a list of triplets in the form
`("<label>", "<link>", "<position>")` where "position" is the label
after which to insert the link, "link" is a format string where %n
expands to the project name, %f to the project path within the
filesystem (i.e. "$projectroot/$project"), %h to the current hash
('h' gitweb parameter) and `%b` to the current hash base ('hb'
gitweb parameter); `%%` expands to '%'.

For example, at the time this page was written, the
http://repo.or.cz Git hosting site set it to the following to
enable graphical log (using the third party tool git-browser):

$feature{'actions'}{'default'} =
[ ('graphiclog', '/git-browser/by-commit.html?r=%n', 'summary')];

This adds a link titled "graphiclog" after the "summary" link,
leading to git-browser script, passing r=<project> as a query
parameter.

Project specific override is not supported.

timed
Enable displaying how much time and how many Git commands it took
to generate and display each page in the page footer (at the bottom
of page). For example the footer might contain: "This page took
6.53325 seconds and 13 Git commands to generate." Disabled by
default.

Project specific override is not supported.

javascript-timezone
Enable and configure the ability to change a common time zone for
dates in gitweb output via JavaScript. Dates in gitweb output
include authordate and committerdate in "commit", "commitdiff" and
"log" views, and taggerdate in "tag" view. Enabled by default.

The value is a list of three values: a default time zone (for if
the client hasn't selected some other time zone and saved it in a
cookie), a name of cookie where to store selected time zone, and a
CSS class used to mark up dates for manipulation. If you want to
turn this feature off, set "default" to empty list: [].

Typical gitweb config files will only change starting (default)
time zone, and leave other elements at their default values:

$feature{'javascript-timezone'}{'default'}[0] = "utc";

The example configuration presented here is guaranteed to be
backwards and forward compatible.

Time zone values can be "local" (for local time zone that browser
uses), "utc" (what gitweb uses when JavaScript or this feature is
disabled), or numerical time zones in the form of "+/-HHMM", such
as "+0200".

Project specific override is not supported.

extra-branch-refs
List of additional directories under "refs" which are going to be
used as branch refs. For example if you have a gerrit setup where
all branches under refs/heads/ are official, push-after-review ones
and branches under refs/sandbox/, refs/wip and refs/other are user
ones where permissions are much wider, then you might want to set
this variable as follows:

$feature{'extra-branch-refs'}{'default'} =
['sandbox', 'wip', 'other'];

This feature can be configured on per-repository basis after
setting $feature{extra-branch-refs}{override} to true, via
repository's gitweb.extraBranchRefs configuration variable, which
contains a space separated list of refs. An example:

[gitweb]
extraBranchRefs = sandbox wip other

The gitweb.extraBranchRefs is actually a multi-valued configuration
variable, so following example is also correct and the result is
the same as of the snippet above:

[gitweb]
extraBranchRefs = sandbox
extraBranchRefs = wip other

It is an error to specify a ref that does not pass "git
check-ref-format" scrutiny. Duplicated values are filtered.

EXAMPLES
To enable blame, pickaxe search, and snapshot support (allowing
"tar.gz" and "zip" snapshots), while allowing individual projects to
turn them off, put the following in your GITWEB_CONFIG file:

$feature{'blame'}{'default'} = [1];
$feature{'blame'}{'override'} = 1;

$feature{'pickaxe'}{'default'} = [1];
$feature{'pickaxe'}{'override'} = 1;

$feature{'snapshot'}{'default'} = ['zip', 'tgz'];
$feature{'snapshot'}{'override'} = 1;

If you allow overriding for the snapshot feature, you can specify which
snapshot formats are globally disabled. You can also add any
command-line options you want (such as setting the compression level).
For instance, you can disable Zip compressed snapshots and set gzip(1)
to run at level 6 by adding the following lines to your gitweb
configuration file:

$known_snapshot_formats{'zip'}{'disabled'} = 1;
$known_snapshot_formats{'tgz'}{'compressor'} = ['gzip','-6'];

BUGS
Debugging would be easier if the fallback configuration file
(/etc/gitweb.conf) and environment variable to override its location
(GITWEB_CONFIG_SYSTEM) had names reflecting their "fallback" role. The
current names are kept to avoid breaking working setups.

ENVIRONMENT
The location of per-instance and system-wide configuration files can be
overridden using the following environment variables:

GITWEB_CONFIG
Sets location of per-instance configuration file.

GITWEB_CONFIG_SYSTEM
Sets location of fallback system-wide configuration file. This file
is read only if per-instance one does not exist.

GITWEB_CONFIG_COMMON
Sets location of common system-wide configuration file.

FILES
gitweb_config.perl
This is default name of per-instance configuration file. The format
of this file is described above.

/etc/gitweb.conf
This is default name of fallback system-wide configuration file.
This file is used only if per-instance configuration variable is
not found.

/etc/gitweb-common.conf
This is default name of common system-wide configuration file.

DragonFly On-Line Manual Pages

NAME

SYNOPSIS

DESCRIPTION

DISCUSSION

CONFIGURATION VARIABLES

CONFIGURING GITWEB FEATURES

EXAMPLES

BUGS

ENVIRONMENT

FILES

SEE ALSO

GIT