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{ config, pkgs, lib, ... }:
let
cfg = config.my.services.cgit;
# there's no need for web crawlers on that site
robots-deny = pkgs.writeText "robots.txt" ''
User-agent: *
Disallow: /
'';
cgitrc = ''
# Global configuration
virtual-root=/
# clone will be handled by gerrit
enable-http-clone=0
clone-url=https://cl.fcuny.net/$CGIT_REPO_URL
# I've fewer than 150 repos, all should be able to be listed on
# the main page
max-repo-count=150
# limit to year for the stats
max-stats=year
snapshots=tar.gz
source-filter=${pkgs.cgit}/lib/cgit/filters/syntax-highlighting.py
about-filter=${pkgs.cgit}/lib/cgit/filters/about-formatting.sh
enable-git-config=1
enable-index-owner=0
remove-suffix=1
# sort repositories by section and branches by date
repository-sort=age
branch-sort=age
readme=:README.md
readme=:README.org
readme=:readme.org
# print the number of modified files
enable-log-filecount=1
# print the number of modified lines
enable-log-linecount=1
enable-follow-links=1
enable-blame=1
root-title="Franck git repositories"
root-desc="source code of my various projects"
# don't index or follow
robots="noindex, nofollow"
project-list=/var/lib/cgit/cache/projects.list
scan-path=/var/lib/gerrit/git
'';
in
{
options.my.services.cgit = with lib; {
enable = mkEnableOption "git web viewer";
};
config = lib.mkIf cfg.enable {
services.fcgiwrap = {
enable = true;
user = "git";
group = "git";
};
systemd = {
timers.sync-cgit-repo = {
description = "synchronize the list of repositories from gerrit";
wantedBy = [ "timers.target" ];
partOf = [ "sync-cgit-repo.service" ];
timerConfig.OnCalendar = "*:0/10";
};
services.sync-cgit-repo = {
description = "synchronize the list of repositories from gerrit";
serviceConfig.Type = "oneshot";
script = ''
mkdir -p /var/lib/cgit/cache
tmplist=$(mktemp)
# as per https://gerrit-review.googlesource.com/Documentation/rest-api.html#output we need to remove `)]}' from the response
repos=$(${pkgs.curl}/bin/curl -s -H "Content-Type: application/json" "https://cl.fcuny.net/projects/?state=ACTIVE"|sed "s/^)]}'//"|${pkgs.jq}/bin/jq -r 'to_entries | .[] | .value | .id')
# list of repositories that I still want to be active in gerrit but I don't want to list here
exclude_repos="password-store|All-Projects|All-Users|homelab"
for repo in ''${repos}; do
if [[ ! $exclude_repos =~ $repo ]]; then
echo "''${repo}.git" >> $tmplist
fi
done
mv $tmplist /var/lib/cgit/cache/projects.list
# TODO(fcuny): this should run as the git user
chown git:git /var/lib/cgit/cache/projects.list
'';
};
};
services.nginx.virtualHosts."git.fcuny.net" = {
# make cgit the default site: if a request goes through nginx
# without a host header, this will be the default site we serve
# for that request.
default = true;
forceSSL = true;
enableACME = true;
locations = {
"~* ^.+.(css|png|ico)$" = { root = "${pkgs.cgit}/cgit"; };
# as per https://github.com/yandex/gixy/blob/master/docs/en/plugins/aliastraversal.md
# if you want to map a single file make sure the location starts with a =, e.g =/i.gif instead of /i.gif.
"=/robots.txt".alias = robots-deny;
"/".extraConfig = ''
include ${pkgs.nginx}/conf/fastcgi_params;
fastcgi_param CGIT_CONFIG ${pkgs.writeText "cgitrc" cgitrc};
fastcgi_param SCRIPT_FILENAME ${pkgs.cgit}/cgit/cgit.cgi;
fastcgi_split_path_info ^(/?)(.+)$;
fastcgi_param PATH_INFO $fastcgi_path_info;
fastcgi_param HTTP_HOST $server_name;
fastcgi_param QUERY_STRING $args;
fastcgi_pass unix:${config.services.fcgiwrap.socketAddress};
if ($http_user_agent ~* "(Blackbox Exporter)" ) {
access_log off;
}
'';
};
};
};
}
|
