From e1fcd15e71fccf951e81fa16ddd83efb34bc5605 Mon Sep 17 00:00:00 2001
From: sid <sid@sid.ovh>
Date: Sun, 26 Apr 2026 12:26:54 +0200
Subject: [PATCH] rebuild: add nom and dix. disable dirty git tree warning

---
 apps/rebuild/default.nix      |  4 ++++
 apps/rebuild/rebuild.sh       | 40 ++++++++++++++++++++++++-----------
 modules/shared/common/nix.nix |  2 ++
 3 files changed, 34 insertions(+), 12 deletions(-)

diff --git a/apps/rebuild/default.nix b/apps/rebuild/default.nix
index 21242c7..72503a3 100644
--- a/apps/rebuild/default.nix
+++ b/apps/rebuild/default.nix
@@ -7,6 +7,8 @@
   hostname,
   nix,
   nixos-rebuild-ng,
+  nix-output-monitor,
+  dix,
   ...
 }:
 
@@ -26,5 +28,7 @@ writeShellApplication {
     hostname
     nix
     nixos-rebuild-ng
+    nix-output-monitor
+    dix
   ];
 }
diff --git a/apps/rebuild/rebuild.sh b/apps/rebuild/rebuild.sh
index 752b9b7..ffe4a36 100755
--- a/apps/rebuild/rebuild.sh
+++ b/apps/rebuild/rebuild.sh
@@ -60,15 +60,24 @@ Rebuild_nixos() {
   fi
   [ -n "$TARGET_HOST" ] && CMD+=("--target-host" "$TARGET_HOST")
 
-  # Rebuild NixOS configuration
-  if [ "$ROLLBACK" = 0 ]; then 
-    echo "Rebuilding NixOS configuration '$FLAKE'..." 
+  # Build config first so we can diff it
+  local BUILD_CMD=("nixos-rebuild" "build" "--flake" "$FLAKE")
+  [ "$SHOW_TRACE" = 1 ] && BUILD_CMD+=("--show-trace")
+  [ -n "$BUILD_HOST" ] && BUILD_CMD+=("--build-host" "$BUILD_HOST")
+  if [ "$ROLLBACK" = 0 ]; then
+    echo "Building NixOS configuration '$FLAKE'..."
+    echo "Executing command: ${BUILD_CMD[*]}"
+    "${BUILD_CMD[@]}" |&nom || error "NixOS build failed"
+    echo "Package diff:"
+    dix /run/current-system result
+    rm result
   else
     echo "Rolling back to last NixOS generation..."
   fi
-
+  echo "Switching to new NixOS configuration"
+  sudo -v
   echo "Executing command: ${CMD[*]}"
-  "${CMD[@]}" || error "NixOS rebuild failed"
+  "${CMD[@]}" |& nom || error "NixOS rebuild failed"
   echo "NixOS rebuild completed successfully."
 }
 
@@ -91,15 +100,22 @@ Rebuild_home() {
     [ "$SHOW_TRACE" = 1 ] && CMD+=("--show-trace")
   fi
 
-  # Rebuild Home Manager configuration
-  if [ "$ROLLBACK" = 0 ]; then 
-    echo "Rebuilding Home Manager configuration '$FLAKE'..." 
+  # Build config first so we can diff it
+  if [ "$ROLLBACK" = 0 ]; then
+    local BUILD_CMD=("home-manager" "build" "--flake" "$FLAKE")
+    [ "$SHOW_TRACE" = 1 ] && BUILD_CMD+=("--show-trace")
+    echo "Building Home Manager configuration '$FLAKE'..."
+    echo "Executing command: ${BUILD_CMD[*]}"
+    "${BUILD_CMD[@]}" |& nom || error "Home Manager build failed"
+    echo "Package diff:"
+    dix /run/current-system result
+    rm result
   else
     echo "Rolling back to last Home Manager generation..."
   fi
-
+  echo "Switching to new Home Manager configuration"
   echo "Executing command: ${CMD[*]}"
-  "${CMD[@]}" || error "Home Manager rebuild failed"
+  "${CMD[@]}" |& nom || error "Home Manager rebuild failed"
   echo "Home Manager rebuild completed successfully."
 }
 
@@ -227,10 +243,10 @@ fi
 [ "$UPDATE" = 1 ] && Update
 
 case "$COMMAND" in
-  nixos)
+  nixos|os)
     Rebuild_nixos
     ;;
-  home)
+  home|hm)
     Rebuild_home
     ;;
   all)
diff --git a/modules/shared/common/nix.nix b/modules/shared/common/nix.nix
index 2d0daa3..4d8e217 100644
--- a/modules/shared/common/nix.nix
+++ b/modules/shared/common/nix.nix
@@ -32,6 +32,8 @@ in
     };
   };
 
+  nix.settings.warn-dirty = mkDefault false;
+
   # fallback quickly if substituters are not available.
   nix.settings.connect-timeout = mkDefault 5;
   nix.settings.fallback = true;