module/tv/git: add cgit

1 files changed, 110 insertions, 0 deletions

diff --git a/modules/tv/git/cgit.nix b/modules/tv/git/cgit.nix
new file mode 100644
index 000000000..edee19909
--- /dev/null
+++ b/modules/tv/git/cgit.nix
@@ -0,0 +1,110 @@
+{ config, lib, pkgs, ... }:
+
+let
+  inherit (builtins) attrValues filter getAttr;
+  inherit (lib) concatMapStringsSep mkIf optionalString;
+
+  cfg = config.services.git;
+
+  isPublicRepo = getAttr "public"; # TODO this is also in ./default.nix
+in
+
+{
+  config = mkIf cfg.cgit {
+
+    users.extraUsers = lib.singleton {
+      name = "fcgiwrap";
+      uid = 2851179180; # genid fcgiwrap
+      group = "fcgiwrap";
+      home = "/var/empty";
+    };
+
+    users.extraGroups = lib.singleton {
+      name = "fcgiwrap";
+      gid = 2851179180; # genid fcgiwrap
+    };
+
+    services.fcgiwrap = {
+      enable = true;
+      user = "fcgiwrap";
+      group = "fcgiwrap";
+      # socketAddress = "/run/fcgiwrap.sock" (default)
+      # socketType = "unix" (default)
+    };
+
+    environment.etc."cgitrc".text = ''
+      css=/cgit-static/cgit.css
+      logo=/cgit-static/cgit.png
+
+      # if you do not want that webcrawler (like google) index your site
+      robots=noindex, nofollow
+
+      virtual-root=/cgit
+
+      # TODO make this nicer
+      cache-root=/tmp/cgit
+
+      cache-size=1000
+      enable-commit-graph=1
+      enable-index-links=1
+      enable-index-owner=0
+      enable-log-filecount=1
+      enable-log-linecount=1
+      enable-remote-branches=1
+
+      root-title=repositories at ${config.networking.hostName}
+      root-desc=keep calm and engage
+
+      snapshots=0
+      max-stats=year
+
+      ${concatMapStringsSep "\n" (repo: ''
+        repo.url=${repo.name}
+        repo.path=${cfg.dataDir}/${repo.name}
+        ${optionalString (repo.desc != null) "repo.desc=${repo.desc}"}
+      '') (filter isPublicRepo (attrValues cfg.repos))}
+    '';
+
+    # TODO modular nginx configuration
+    services.nginx =
+      let
+        name = config.networking.hostName;
+        qname = "${name}.retiolum";
+      in
+        {
+          enable = true;
+          httpConfig = ''
+            include           ${pkgs.nginx}/conf/mime.types;
+            default_type      application/octet-stream;
+            sendfile          on;
+            keepalive_timeout 65;
+            gzip              on;
+            server {
+              listen 80;
+              server_name ${name} ${qname} localhost;
+              root ${pkgs.cgit}/cgit;
+
+              location /cgit-static {
+                rewrite ^/cgit-static(/.*)$ $1 break;
+                #expires 30d;
+              }
+
+              location /cgit {
+                include             ${pkgs.nginx}/conf/fastcgi_params;
+                fastcgi_param       SCRIPT_FILENAME $document_root/cgit.cgi;
+                #fastcgi_param       PATH_INFO       $uri;
+                fastcgi_split_path_info ^(/cgit/?)(.+)$;
+                fastcgi_param PATH_INFO $fastcgi_path_info;
+                fastcgi_param       QUERY_STRING    $args;
+                fastcgi_param       HTTP_HOST       $server_name;
+                fastcgi_pass        unix:${config.services.fcgiwrap.socketAddress};
+              }
+
+              location / {
+                return 404;
+              }
+            }
+          '';
+        };
+  };
+}