From bf2103f9d48a01045c0806b52983a4cad39786f5 Mon Sep 17 00:00:00 2001
From: Pyjacpp <pyjacpp@crans.org>
Date: Wed, 26 Aug 2026 23:13:19 +0200
Subject: [PATCH] =?UTF-8?q?MOTD=20avec=20version=20de=20la=20flake?=
 =?UTF-8?q?=E2=80=AF!?=
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---
 modules/crans/users.nix | 21 ++++++++++++++++++++-
 modules/default.nix     |  5 ++++-
 2 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/modules/crans/users.nix b/modules/crans/users.nix
index c229bf4..9c14880 100644
--- a/modules/crans/users.nix
+++ b/modules/crans/users.nix
@@ -1,4 +1,9 @@
-{ config, lib, ... }:
+{
+  config,
+  lib,
+  self,
+  ...
+}:
 
 let
   cfg = config.crans.users;
@@ -34,6 +39,20 @@ in
     users = {
       mutableUsers = false;
 
+      motd =
+        let
+          shortRev = self.shortRev or self.dirtyShortRev or "inconnue";
+          rev = self.rev or (lib.strings.removeSuffix "-dirty" (self.dirtyRev or "inconnue"));
+          isDirty = !(self ? rev);
+        in
+        ''
+          ${
+            if isDirty then "!! DIRTY !! " else ""
+          }Version déployée ${shortRev}, modifiée le ${self.lastModifiedDate or "??"}.
+
+          https://gitlab.crans.org/nounous/nixos/-/commit/${rev}
+        '';
+
       users.root = {
         hashedPasswordFile = config.age.secrets.root-passwd-hash.path;
       };
diff --git a/modules/default.nix b/modules/default.nix
index be2ac91..9685e31 100644
--- a/modules/default.nix
+++ b/modules/default.nix
@@ -1,4 +1,4 @@
-{ lib, ... }:
+{ lib, self, ... }:
 
 {
   imports = [
@@ -25,6 +25,9 @@
     cleanOnBoot = true;
   };
 
+  # Version de la flake pour nixos-version --configuration-revision
+  system.configurationRevision = self.rev or self.dirtyRev or "inconnue";
+
   # Recommandé depuis le passage à 26.05
   boot.zfs.forceImportAll = lib.mkDefault false;
   boot.zfs.forceImportRoot = lib.mkDefault false;