From b3b243193228967cbef529a7e032f4d248594ca2 Mon Sep 17 00:00:00 2001
From: Sebastian Hagen <sh_github@memespace.net>
Date: Thu, 25 May 2017 22:28:50 +0100
Subject: charybdis service: add option to configure MOTD (#25512)

Read MOTD files from /etc/charybdis.
---
 nixos/modules/services/networking/charybdis.nix | 76 +++++++++++++++----------
 1 file changed, 45 insertions(+), 31 deletions(-)

(limited to 'nixos')

diff --git a/nixos/modules/services/networking/charybdis.nix b/nixos/modules/services/networking/charybdis.nix
index 2f7d006b8816..c354ec61fe23 100644
--- a/nixos/modules/services/networking/charybdis.nix
+++ b/nixos/modules/services/networking/charybdis.nix
@@ -51,6 +51,17 @@ in
         '';
       };
 
+      motd = mkOption {
+        type = types.nullOr types.lines;
+        default = null;
+        description = ''
+          Charybdis MOTD text.
+
+          Charybdis will read its MOTD from /etc/charybdis/ircd.motd .
+          If set, the value of this option will be written to this path.
+        '';
+      };
+
     };
 
   };
@@ -58,39 +69,42 @@ in
 
   ###### implementation
 
-  config = mkIf cfg.enable {
-
-    users.extraUsers = singleton {
-      name = cfg.user;
-      description = "Charybdis IRC daemon user";
-      uid = config.ids.uids.ircd;
-      group = cfg.group;
-    };
-
-    users.extraGroups = singleton {
-      name = cfg.group;
-      gid = config.ids.gids.ircd;
-    };
-
-    systemd.services.charybdis = {
-      description = "Charybdis IRC daemon";
-      wantedBy = [ "multi-user.target" ];
-      environment = {
-        BANDB_DBPATH = "${cfg.statedir}/ban.db";
+  config = mkIf cfg.enable (lib.mkMerge [
+    {
+      users.extraUsers = singleton {
+        name = cfg.user;
+        description = "Charybdis IRC daemon user";
+        uid = config.ids.uids.ircd;
+        group = cfg.group;
       };
-      serviceConfig = {
-        ExecStart   = "${charybdis}/bin/charybdis-ircd -foreground -logfile /dev/stdout -configfile ${configFile}";
-        Group = cfg.group;
-        User = cfg.user;
-        PermissionsStartOnly = true; # preStart needs to run with root permissions
-      };
-      preStart = ''
-        ${coreutils}/bin/mkdir -p ${cfg.statedir}
-        ${coreutils}/bin/chown ${cfg.user}:${cfg.group} ${cfg.statedir}
-      '';
 
-    };
+      users.extraGroups = singleton {
+        name = cfg.group;
+        gid = config.ids.gids.ircd;
+      };
 
-  };
+      systemd.services.charybdis = {
+        description = "Charybdis IRC daemon";
+        wantedBy = [ "multi-user.target" ];
+        environment = {
+          BANDB_DBPATH = "${cfg.statedir}/ban.db";
+        };
+        serviceConfig = {
+          ExecStart   = "${charybdis}/bin/charybdis-ircd -foreground -logfile /dev/stdout -configfile ${configFile}";
+          Group = cfg.group;
+          User = cfg.user;
+          PermissionsStartOnly = true; # preStart needs to run with root permissions
+        };
+        preStart = ''
+          ${coreutils}/bin/mkdir -p ${cfg.statedir}
+          ${coreutils}/bin/chown ${cfg.user}:${cfg.group} ${cfg.statedir}
+        '';
+      };
 
+    }
+    
+    (mkIf (cfg.motd != null) {
+      environment.etc."charybdis/ircd.motd".text = cfg.motd;
+    })
+  ]);
 }
-- 
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