nixpkgs/nixos/modules/services/web-servers/lighttpd/cgit.nix
2021-10-04 12:47:20 +02:00

94 lines
2.4 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.lighttpd.cgit;
pathPrefix = if stringLength cfg.subdir == 0 then "" else "/" + cfg.subdir;
configFile = pkgs.writeText "cgitrc"
''
# default paths to static assets
css=${pathPrefix}/cgit.css
logo=${pathPrefix}/cgit.png
favicon=${pathPrefix}/favicon.ico
# user configuration
${cfg.configText}
'';
in
{
options.services.lighttpd.cgit = {
enable = mkOption {
default = false;
type = types.bool;
description = ''
If true, enable cgit (fast web interface for git repositories) as a
sub-service in lighttpd.
'';
};
subdir = mkOption {
default = "cgit";
example = "";
type = types.str;
description = ''
The subdirectory in which to serve cgit. The web application will be
accessible at http://yourserver/''${subdir}
'';
};
configText = mkOption {
default = "";
example = literalExpression ''
'''
source-filter=''${pkgs.cgit}/lib/cgit/filters/syntax-highlighting.py
about-filter=''${pkgs.cgit}/lib/cgit/filters/about-formatting.sh
cache-size=1000
scan-path=/srv/git
'''
'';
type = types.lines;
description = ''
Verbatim contents of the cgit runtime configuration file. Documentation
(with cgitrc example file) is available in "man cgitrc". Or online:
http://git.zx2c4.com/cgit/tree/cgitrc.5.txt
'';
};
};
config = mkIf cfg.enable {
# make the cgitrc manpage available
environment.systemPackages = [ pkgs.cgit ];
# declare module dependencies
services.lighttpd.enableModules = [ "mod_cgi" "mod_alias" "mod_setenv" ];
services.lighttpd.extraConfig = ''
$HTTP["url"] =~ "^/${cfg.subdir}" {
cgi.assign = (
"cgit.cgi" => "${pkgs.cgit}/cgit/cgit.cgi"
)
alias.url = (
"${pathPrefix}/cgit.css" => "${pkgs.cgit}/cgit/cgit.css",
"${pathPrefix}/cgit.png" => "${pkgs.cgit}/cgit/cgit.png",
"${pathPrefix}" => "${pkgs.cgit}/cgit/cgit.cgi"
)
setenv.add-environment = (
"CGIT_CONFIG" => "${configFile}"
)
}
'';
systemd.services.lighttpd.preStart = ''
mkdir -p /var/cache/cgit
chown lighttpd:lighttpd /var/cache/cgit
'';
};
}