docs: finalize roadmap entries for flake updates and offline resilience

features/scripts/utils/nomarchy-update

@@ -1,8 +1,9 @@
 #!/usr/bin/env bash
 
 # Nomarchy Full Update Script
-# 1. Syncs the local repository (if applicable)
-# 2. Performs a full system update (NixOS + Home Manager)
+# 1. Removes the installation pin (if present) to follow the rolling release.
+# 2. Updates flake inputs (Nomarchy, nixpkgs, etc.) in flake.lock.
+# 3. Performs a full system update (NixOS + Home Manager)
 
 set -e
 
@@ -18,15 +19,17 @@ fi
 
 echo "--- Starting Nomarchy Full Update ---"
 
-# 1. Sync repository if it's a git repo
-if [ -d "$REPO_DIR/.git" ]; then
-    echo "Syncing repository from remote..."
-    if ! git -C "$REPO_DIR" pull --ff-only; then
-        echo "Warning: git pull failed. Proceeding with local configuration."
-    fi
+# 1. Unpin the flake if it's currently pinned to the install commit
+if grep -q "rev=" "$REPO_DIR/flake.nix"; then
+    echo "Removing installation pin to follow rolling release..."
+    sudo sed -i 's/?rev=[a-f0-9]*//g' "$REPO_DIR/flake.nix"
 fi
 
-# 2. System update
+# 2. Update flake inputs
+echo "Updating flake inputs (this may take a moment)..."
+sudo nix --extra-experimental-features 'nix-command flakes' flake update --flake "$REPO_DIR"
+
+# 3. System update
 nomarchy-sys-update
 
 echo "--- Nomarchy Full Update Complete ---"