In category: ← Software Development / Project Management

About Cgit

A fast lightweight web interface for git repositories.

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GPL-2.0

More about Cgit

cgit is a hyperfast web frontend for git repositories written in C.

cgit Quick Facts

web interface (cgi) for Git repositories, written in C.
licensed under GPLv2.
discussions, patches etc. go to the list (signup, archive).
real time chat available in #cgit on Libera.Chat.
common questions are answered in the FAQ.

Features

basic repository browsing (logs, diffs, trees...)
caching of generated HTML
cloneable URLs (implements dumb HTTP transport)
commit feeds (atom format)
discovery of Git repositories
on-the-fly archives for tags and commits
plugin support for e.g. syntax highlighting
side-by-side diffs
simple time/author statistics
simple virtual hosting support (macro expansion)
understands GitWeb project-lists
understands gitweb.owner in Git config files
has extensive filtering framework using scripts or a built-in lua interpreter

cgit - CGI for Git

This is an attempt to create a fast web interface for the Git SCM, using a built-in cache to decrease server I/O pressure.

Installation

Building cgit involves building a proper version of Git. How to do this depends on how you obtained the cgit sources:

a) If you're working in a cloned cgit repository, you first need to initialize and update the Git submodule:

$ git submodule init     # register the Git submodule in .git/config
$ $EDITOR .git/config    # if you want to specify a different url for git
$ git submodule update   # clone/fetch and checkout correct git version

b) If you're building from a cgit tarball, you can download a proper git version like this:

$ make get-git

When either a) or b) has been performed, you can build and install cgit like this:

$ make
$ sudo make install

This will install cgit.cgi and cgit.css into /var/www/htdocs/cgit. You can configure this location (and a few other things) by providing a cgit.conf file (see the Makefile for details).

If you'd like to compile without Lua support, you may use:

$ make NO_LUA=1

And if you'd like to specify a Lua implementation, you may use:

$ make LUA_PKGCONFIG=lua5.1

If this is not specified, the Lua implementation will be auto-detected, preferring LuaJIT if many are present. Acceptable values are generally "lua", "luajit", "lua5.1", and "lua5.2".

Dependencies

libzip
libcrypto (OpenSSL)
libssl (OpenSSL)
optional: luajit or lua, most reliably used when pkg-config is available

Apache configuration

A new Directory section must probably be added for cgit, possibly something like this:

<Directory "/var/www/htdocs/cgit/">
    AllowOverride None
    Options +ExecCGI
    Order allow,deny
    Allow from all
</Directory>

Runtime configuration

The file /etc/cgitrc is read by cgit before handling a request. In addition to runtime parameters, this file may also contain a list of repositories displayed by cgit (see cgitrc.5.txt for further details).

The cache

When cgit is invoked it looks for a cache file matching the request and returns it to the client. If no such cache file exists (or if it has expired), the content for the request is written into the proper cache file before the file is returned.

If the cache file has expired but cgit is unable to obtain a lock for it, the stale cache file is returned to the client. This is done to favour page throughput over page freshness.

The generated content contains the complete response to the client, including the HTTP headers Modified and Expires.