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diff --git a/gitweb/README b/gitweb/README new file mode 100644 index 0000000..0e19be8 --- /dev/null +++ b/gitweb/README @@ -0,0 +1,498 @@ +GIT web Interface +================= + +The one working on: + http://git.kernel.org/ + +From the git version 1.4.0 gitweb is bundled with git. + + +How to configure gitweb for your local system +--------------------------------------------- + +See also the "Build time configuration" section in the INSTALL +file for gitweb (in gitweb/INSTALL). + +You can specify the following configuration variables when building GIT: + * GIT_BINDIR + Points where to find the git executable. You should set it up to + the place where the git binary was installed (usually /usr/bin) if you + don't install git from sources together with gitweb. [Default: $(bindir)] + * GITWEB_SITENAME + Shown in the title of all generated pages, defaults to the server name + (SERVER_NAME CGI environment variable) if not set. [No default] + * GITWEB_PROJECTROOT + The root directory for all projects shown by gitweb. Must be set + correctly for gitweb to find repositories to display. See also + "Gitweb repositories" in the INSTALL file for gitweb. [Default: /pub/git] + * GITWEB_PROJECT_MAXDEPTH + The filesystem traversing limit for getting the project list; the number + is taken as depth relative to the projectroot. It is used when + GITWEB_LIST is a directory (or is not set; then project root is used). + Is is meant to speed up project listing on large work trees by limiting + search depth. [Default: 2007] + * GITWEB_LIST + Points to a directory to scan for projects (defaults to project root + if not set / if empty) or to a file with explicit listing of projects + (together with projects' ownership). See "Generating projects list + using gitweb" in INSTALL file for gitweb to find out how to generate + such file from scan of a directory. [No default, which means use root + directory for projects] + * GITWEB_EXPORT_OK + Show repository only if this file exists (in repository). Only + effective if this variable evaluates to true. [No default / Not set] + * GITWEB_STRICT_EXPORT + Only allow viewing of repositories also shown on the overview page. + This for example makes GITWEB_EXPORT_OK to decide if repository is + available and not only if it is shown. If GITWEB_LIST points to + file with list of project, only those repositories listed would be + available for gitweb. [No default] + * GITWEB_HOMETEXT + Points to an .html file which is included on the gitweb project + overview page ('projects_list' view), if it exists. Relative to + gitweb.cgi script. [Default: indextext.html] + * GITWEB_SITE_HEADER + Filename of html text to include at top of each page. Relative to + gitweb.cgi script. [No default] + * GITWEB_SITE_FOOTER + Filename of html text to include at bottom of each page. Relative to + gitweb.cgi script. [No default] + * GITWEB_HOME_LINK_STR + String of the home link on top of all pages, leading to $home_link + (usually main gitweb page, which means projects list). Used as first + part of gitweb view "breadcrumb trail": <home> / <project> / <view>. + [Default: projects] + * GITWEB_SITENAME + Name of your site or organization to appear in page titles. Set it + to something descriptive for clearer bookmarks etc. If not set + (if empty) gitweb uses "$SERVER_NAME Git", or "Untitled Git" if + SERVER_NAME CGI environment variable is not set (e.g. if running + gitweb as standalone script). [No default] + * GITWEB_BASE_URL + Git base URLs used for URL to where fetch project from, i.e. full + URL is "$git_base_url/$project". Shown on projects summary page. + Repository URL for project can be also configured per repository; this + takes precedence over URLs composed from base URL and a project name. + Note that you can setup multiple base URLs (for example one for + git:// protocol access, another for http:// access) from the gitweb + config file. [No default] + * GITWEB_CSS + Points to the location where you put gitweb.css on your web server + (or to be more generic, the URI of gitweb stylesheet). Relative to the + base URI of gitweb. Note that you can setup multiple stylesheets from + the gitweb config file. [Default: static/gitweb.css (or + static/gitweb.min.css if the CSSMIN variable is defined / CSS minifier + is used)] + * GITWEB_LOGO + Points to the location where you put git-logo.png on your web server + (or to be more generic URI of logo, 72x27 size, displayed in top right + corner of each gitweb page, and used as logo for Atom feed). Relative + to base URI of gitweb. [Default: static/git-logo.png] + * GITWEB_FAVICON + Points to the location where you put git-favicon.png on your web server + (or to be more generic URI of favicon, assumed to be image/png type; + web browsers that support favicons (website icons) may display them + in the browser's URL bar and next to site name in bookmarks). Relative + to base URI of gitweb. [Default: static/git-favicon.png] + * GITWEB_JS + Points to the localtion where you put gitweb.js on your web server + (or to be more generic URI of JavaScript code used by gitweb). + Relative to base URI of gitweb. [Default: static/gitweb.js (or + static/gitweb.min.js if JSMIN build variable is defined / JavaScript + minifier is used)] + * GITWEB_CONFIG + This Perl file will be loaded using 'do' and can be used to override any + of the options above as well as some other options -- see the "Runtime + gitweb configuration" section below, and top of 'gitweb.cgi' for their + full list and description. If the environment variable GITWEB_CONFIG + is set when gitweb.cgi is executed, then the file specified in the + environment variable will be loaded instead of the file specified + when gitweb.cgi was created. [Default: gitweb_config.perl] + * GITWEB_CONFIG_SYSTEM + This Perl file will be loaded using 'do' as a fallback if GITWEB_CONFIG + does not exist. If the environment variable GITWEB_CONFIG_SYSTEM is set + when gitweb.cgi is executed, then the file specified in the environment + variable will be loaded instead of the file specified when gitweb.cgi was + created. [Default: /etc/gitweb.conf] + + +Runtime gitweb configuration +---------------------------- + +You can adjust gitweb behaviour using the file specified in `GITWEB_CONFIG` +(defaults to 'gitweb_config.perl' in the same directory as the CGI), and +as a fallback `GITWEB_CONFIG_SYSTEM` (defaults to /etc/gitweb.conf). +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 the "Gitweb config file" (with an example of config file), and +the "Gitweb repositories" sections in INSTALL file for gitweb. + + +The gitweb config file is a fragment of perl code. You can set variables +using "our $variable = value"; text from "#" character until the end +of a line is ignored. See perlsyn(1) man page for details. + +Below is the list of variables which you might want to set in gitweb config. +See the top of 'gitweb.cgi' for the full list of variables and their +descriptions. + +Gitweb config file variables +~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +You can set, among others, the following variables in gitweb config files +(with the exception of $projectroot and $projects_list this list does +not include variables usually directly set during build): + * $GIT + Core git executable to use. By default set to "$GIT_BINDIR/git", which + in turn is by default set to "$(bindir)/git". If you use git from binary + package, set this to "/usr/bin/git". This can just be "git" if your + webserver has a sensible PATH. If you have multiple git versions + installed it can be used to choose which one to use. + * $version + Gitweb version, set automatically when creating gitweb.cgi from + gitweb.perl. You might want to modify it if you are running modified + gitweb. + * $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 have to be + set correctly for gitweb to find repositories. + * $projects_list + Source of projects list, either directory to scan, or text file + with list of repositories (in the "<URI-encoded repository path> SP + <URI-encoded repository owner>" line format; actually there can be + any sequence of whitespace in place of space (SP)). Set to + $GITWEB_LIST during installation. If empty, $projectroot is used + to scan for repositories. + * $my_url, $my_uri + Full URL and absolute URL of gitweb script; + in earlier versions of gitweb you might have need to set those + variables, now there should be no need to do it. + * $base_url + Base URL for relative URLs in pages generated by gitweb, + (e.g. $logo, $favicon, @stylesheets if they are relative URLs), + needed and used only for URLs with nonempty PATH_INFO via + <base href="$base_url">. Usually gitweb sets its value correctly, + and there is no need to set this variable, e.g. to $my_uri or "/". + * $home_link + Target of the home link on top of all pages (the first part of view + "breadcrumbs"). By default set to absolute URI of a page ($my_uri). + * @stylesheets + List of URIs of stylesheets (relative to base URI of a page). You + might specify more than one stylesheet, for example use gitweb.css + as base, with site specific modifications in separate stylesheet + to make it easier to upgrade gitweb. You can add 'site' stylesheet + for example by using + push @stylesheets, "gitweb-site.css"; + in the gitweb config file. + * $logo_url, $logo_label + URI and label (title) of GIT logo link (or your site logo, if you choose + to use different logo image). By default they point to git homepage; + in the past they pointed to git documentation at www.kernel.org. + * $projects_list_description_width + The width (in characters) of the projects list "Description" column. + Longer descriptions will be cut (trying to cut at word boundary); + full description is available as 'title' attribute (usually shown on + mouseover). By default set to 25, which might be too small if you + use long project descriptions. + * @git_base_url_list + List of git base URLs used for URL to where fetch project from, shown + in project summary page. Full URL is "$git_base_url/$project". + You can setup multiple base URLs (for example one for git:// protocol + access, and one for http:// "dumb" protocol access). Note that per + repository configuration in 'cloneurl' file, or as values of gitweb.url + project config. + * $default_blob_plain_mimetype + Default mimetype for blob_plain (raw) view, if mimetype checking + doesn't result in some other type; by default 'text/plain'. + * $default_text_plain_charset + Default charset for text files. If not set, web server configuration + would be used. + * $mimetypes_file + File to use for (filename extension based) guessing of MIME types before + trying /etc/mime.types. Path, if relative, is taken currently as + relative to the current git repository. + * $fallback_encoding + Gitweb assumes this charset if line contains non-UTF-8 characters. + Fallback decoding is used without error checking, so it can be even + 'utf-8'. Value must be valid encoding; see Encoding::Supported(3pm) man + page for a list. By default 'latin1', aka. 'iso-8859-1'. + * @diff_opts + Rename detection options for git-diff and git-diff-tree. By default + ('-M'); set it to ('-C') or ('-C', '-C') to also detect copies, or + set it to () if you don't want to have renames detection. + * $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. The default + is false. + * $maxload + Used to set the maximum load that we will still respond to gitweb queries. + If server load exceed this value then return "503 Service Unavaliable" error. + Server load is taken to be 0 if gitweb cannot determine its value. Set it to + undefined value to turn it off. The default is 300. + + +Projects list file format +~~~~~~~~~~~~~~~~~~~~~~~~~ + +Instead of having gitweb find repositories by scanning filesystem starting +from $projectroot (or $projects_list, if it points to directory), you can +provide list of projects by setting $projects_list to a text file with list +of projects (and some additional info). This file uses the following +format: + +One record (for project / repository) per line, whitespace separated fields; +does not support (at least for now) lines continuation (newline escaping). +Leading and trailing whitespace are ignored, any run of whitespace can be +used as field separator (rules for Perl's "split(' ', $line)"). Keyed by +the first field, which is project name, i.e. path to repository GIT_DIR +relative to $projectroot. Fields use modified URI encoding, defined in +RFC 3986, section 2.1 (Percent-Encoding), or rather "Query string encoding" +(see http://en.wikipedia.org/wiki/Query_string#URL_encoding), the difference +being that SP (' ') can be encoded as '+' (and therefore '+' has to be also +percent-encoded). Reserved characters are: '%' (used for encoding), '+' +(can be used to encode SPACE), all whitespace characters as defined in Perl, +including SP, TAB and LF, (used to separate fields in a record). + +Currently list of fields is + * <repository path> - path to repository GIT_DIR, relative to $projectroot + * <repository owner> - displayed as repository owner, preferably full name, + or email, or both + +You can additionally use $projects_list file to limit which repositories +are visible, and together with $strict_export to limit access to +repositories (see "Gitweb repositories" section in gitweb/INSTALL). + + +Per-repository gitweb configuration +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +You can also configure individual repositories shown in gitweb by creating +file in the GIT_DIR of git repository, or by setting some repo configuration +variable (in GIT_DIR/config). + +You can use the following files in repository: + * README.html + A .html file (HTML fragment) which is included on the gitweb project + summary page inside <div> block element. You can use it for longer + description of a project, to provide links (for example to project's + homepage), etc. This is recognized only if XSS prevention is off + ($prevent_xss is false); a way to include a readme safely when XSS + prevention is on may be worked out in the future. + * description (or gitweb.description) + Short (shortened by default to 25 characters in the projects list page) + single line description of a project (of a repository). Plain text file; + HTML will be escaped. By default set to + Unnamed repository; edit this file to name it for gitweb. + from the template during repository creation. You can use the + gitweb.description repo configuration variable, but the file takes + precedence. + * cloneurl (or multiple-valued gitweb.url) + File with repository URL (used for clone and fetch), one per line. + Displayed in the project summary page. You can use multiple-valued + gitweb.url repository configuration variable for that, but the file + takes precedence. + * gitweb.owner + You can use the gitweb.owner repository configuration variable to set + repository's owner. It is displayed in the project list and summary + page. If it's not set, filesystem directory's owner is used + (via GECOS field / real name field from getpwiud(3)). + * various gitweb.* config variables (in config) + Read description of %feature hash for detailed list, and some + descriptions. + + +Webserver configuration +----------------------- + +If you want to have one URL for both gitweb and your http:// +repositories, you can configure apache like this: + +<VirtualHost *:80> + ServerName git.example.org + DocumentRoot /pub/git + SetEnv GITWEB_CONFIG /etc/gitweb.conf + + # turning on mod rewrite + RewriteEngine on + + # make the front page an internal rewrite to the gitweb script + RewriteRule ^/$ /cgi-bin/gitweb.cgi + + # make access for "dumb clients" work + RewriteRule ^/(.*\.git/(?!/?(HEAD|info|objects|refs)).*)?$ /cgi-bin/gitweb.cgi%{REQUEST_URI} [L,PT] +</VirtualHost> + +The above configuration expects your public repositories to live under +/pub/git and will serve them as http://git.domain.org/dir-under-pub-git, +both as cloneable GIT URL and as browseable gitweb interface. +If you then start your git-daemon with --base-path=/pub/git --export-all +then you can even use the git:// URL with exactly the same path. + +Setting the environment variable GITWEB_CONFIG will tell gitweb to use +the named file (i.e. in this example /etc/gitweb.conf) as a +configuration for gitweb. Perl variables defined in here will +override the defaults given at the head of the gitweb.perl (or +gitweb.cgi). Look at the comments in that file for information on +which variables and what they mean. + +If you use the rewrite rules from the example you'll likely also need +something like the following in your gitweb.conf (or gitweb_config.perl) file: + + @stylesheets = ("/some/absolute/path/gitweb.css"); + $my_uri = "/"; + $home_link = "/"; + + +Webserver configuration with multiple projects' root +---------------------------------------------------- + +If you want to use gitweb with several project roots you can edit your apache +virtual host and gitweb.conf configuration files like this : + +virtual host configuration : + +<VirtualHost *:80> + ServerName git.example.org + DocumentRoot /pub/git + SetEnv GITWEB_CONFIG /etc/gitweb.conf + + # turning on mod rewrite + RewriteEngine on + + # make the front page an internal rewrite to the gitweb script + RewriteRule ^/$ /cgi-bin/gitweb.cgi [QSA,L,PT] + + # look for a public_git folder in unix users' home + # http://git.example.org/~<user>/ + RewriteRule ^/\~([^\/]+)(/|/gitweb.cgi)?$ /cgi-bin/gitweb.cgi [QSA,E=GITWEB_PROJECTROOT:/home/$1/public_git/,L,PT] + + # http://git.example.org/+<user>/ + #RewriteRule ^/\+([^\/]+)(/|/gitweb.cgi)?$ /cgi-bin/gitweb.cgi [QSA,E=GITWEB_PROJECTROOT:/home/$1/public_git/,L,PT] + + # http://git.example.org/user/<user>/ + #RewriteRule ^/user/([^\/]+)/(gitweb.cgi)?$ /cgi-bin/gitweb.cgi [QSA,E=GITWEB_PROJECTROOT:/home/$1/public_git/,L,PT] + + # defined list of project roots + RewriteRule ^/scm(/|/gitweb.cgi)?$ /cgi-bin/gitweb.cgi [QSA,E=GITWEB_PROJECTROOT:/pub/scm/,L,PT] + RewriteRule ^/var(/|/gitweb.cgi)?$ /cgi-bin/gitweb.cgi [QSA,E=GITWEB_PROJECTROOT:/var/git/,L,PT] + + # make access for "dumb clients" work + RewriteRule ^/(.*\.git/(?!/?(HEAD|info|objects|refs)).*)?$ /cgi-bin/gitweb.cgi%{REQUEST_URI} [L,PT] +</VirtualHost> + +gitweb.conf configuration : + +$projectroot = $ENV{'GITWEB_PROJECTROOT'} || "/pub/git"; + +These configurations enable two things. First, each unix user (<user>) of the +server will be able to browse through gitweb git repositories found in +~/public_git/ with the following url : http://git.example.org/~<user>/ + +If you do not want this feature on your server just remove the second rewrite rule. + +If you already use mod_userdir in your virtual host or you don't want to use +the '~' as first character just comment or remove the second rewrite rule and +uncomment one of the following according to what you want. + +Second, repositories found in /pub/scm/ and /var/git/ will be accesible +through http://git.example.org/scm/ and http://git.example.org/var/. +You can add as many project roots as you want by adding rewrite rules like the +third and the fourth. + + +PATH_INFO usage +----------------------- +If you enable PATH_INFO usage in gitweb by putting + + $feature{'pathinfo'}{'default'} = [1]; + +in your gitweb.conf, it is possible to set up your server so that it +consumes and produces URLs in the form + +http://git.example.com/project.git/shortlog/sometag + +by using a configuration such as the following, that assumes that +/var/www/gitweb is the DocumentRoot of your webserver, and that it +contains the gitweb.cgi script and complementary static files +(stylesheet, favicon): + +<VirtualHost *:80> + ServerAlias git.example.com + + DocumentRoot /var/www/gitweb + + <Directory /var/www/gitweb> + Options ExecCGI + AddHandler cgi-script cgi + + DirectoryIndex gitweb.cgi + + RewriteEngine On + RewriteCond %{REQUEST_FILENAME} !-f + RewriteCond %{REQUEST_FILENAME} !-d + RewriteRule ^.* /gitweb.cgi/$0 [L,PT] + </Directory> +</VirtualHost> + +The rewrite rule guarantees that existing static files will be properly +served, whereas any other URL will be passed to gitweb as PATH_INFO +parameter. + +Notice that in this case you don't need special settings for +@stylesheets, $my_uri and $home_link, but you lose "dumb client" access +to your project .git dirs. A possible workaround for the latter is the +following: in your project root dir (e.g. /pub/git) have the projects +named without a .git extension (e.g. /pub/git/project instead of +/pub/git/project.git) and configure Apache as follows: + +<VirtualHost *:80> + ServerAlias git.example.com + + DocumentRoot /var/www/gitweb + + AliasMatch ^(/.*?)(\.git)(/.*)?$ /pub/git$1$3 + <Directory /var/www/gitweb> + Options ExecCGI + AddHandler cgi-script cgi + + DirectoryIndex gitweb.cgi + + RewriteEngine On + RewriteCond %{REQUEST_FILENAME} !-f + RewriteCond %{REQUEST_FILENAME} !-d + RewriteRule ^.* /gitweb.cgi/$0 [L,PT] + </Directory> +</VirtualHost> + +The additional AliasMatch makes it so that + +http://git.example.com/project.git + +will give raw access to the project's git dir (so that the project can +be cloned), while + +http://git.example.com/project + +will provide human-friendly gitweb access. + +This solution is not 100% bulletproof, in the sense that if some project +has a named ref (branch, tag) starting with 'git/', then paths such as + +http://git.example.com/project/command/abranch..git/abranch + +will fail with a 404 error. + + + +Originally written by: + Kay Sievers <kay.sievers@vrfy.org> + +Any comment/question/concern to: + Git mailing list <git@vger.kernel.org> |