diff --git a/README.md b/README.md
index 1469223..16065be 100644
--- a/README.md
+++ b/README.md
@@ -10,11 +10,11 @@ git clone git@github.com:dotdoom/dotfiles.git
 cd dotfiles
 ```
 
-Step 2 - stow.
+Step 2 - if Nix is not an option.
 
 ```
-stow migrated
 stow legacy
+stow exported/{machine}
 ```
 
 Step 2 - Nix.
diff --git a/migrated/.vimrc b/assets/.vimrc
similarity index 100%
rename from migrated/.vimrc
rename to assets/.vimrc
diff --git a/migrated/.zshenv b/assets/.zshenv
similarity index 100%
rename from migrated/.zshenv
rename to assets/.zshenv
diff --git a/migrated/.zshrc b/assets/.zshrc
similarity index 100%
rename from migrated/.zshrc
rename to assets/.zshrc
diff --git a/bin/export-home-config b/bin/export-home-config
new file mode 100755
index 0000000..0c2aae9
--- /dev/null
+++ b/bin/export-home-config
@@ -0,0 +1,7 @@
+#!/bin/sh
+set -e
+CONFIG=$1
+OUT_DIR="exported/$CONFIG"
+STORE_PATH=$(nix build .#homeConfigurations."$CONFIG".activationPackage --extra-experimental-features 'nix-command flakes' --no-link --print-out-paths)
+mkdir -p "$OUT_DIR"
+cp -rL "$STORE_PATH/home-files/." "$OUT_DIR/"
diff --git a/flake.nix b/flake.nix
index 70a5bf4..326336c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -53,6 +53,12 @@
         pre-commit-check = inputs.git-hooks.lib.${system}.run (
           {
             src = ./.;
+            hooks.export-mac-portable = {
+              enable = nixpkgs.lib.hasInfix "darwin" system;
+              name = "Build static mac-portable home directory files";
+              entry = "bin/export-home-config mac-portable && git add exported/mac-portable";
+              pass_filenames = false;
+            };
           }
           // inputs.fw_nix.lib.pre-commit
         );
@@ -92,6 +98,12 @@
         ];
       };
 
+      homeConfigurations.mac-portable = home-manager.lib.homeManagerConfiguration {
+        pkgs = nixpkgs.legacyPackages.x86_64-darwin;
+        extraSpecialArgs.primaryUser = "empty";
+        modules = [ self.homeModules.mac-portable ];
+      };
+
       darwinConfigurations.mars = darwin.lib.darwinSystem {
         system = "x86_64-darwin";
         specialArgs.primaryUser = "artem";
diff --git a/hosts/mars/home.nix b/hosts/mars/home.nix
index 16fe530..667d283 100644
--- a/hosts/mars/home.nix
+++ b/hosts/mars/home.nix
@@ -1,7 +1,6 @@
 {
   pkgs,
   lib,
-  config,
   trustedSSHKeys,
   ...
 }:
@@ -20,7 +19,7 @@
   home.activation.setupAuthorizedKeys = lib.hm.dag.entryAfter [ "writeBoundary" ] ''
     run install -m 0600 -D \
       ${pkgs.writeText "keys" (builtins.concatStringsSep "\n" trustedSSHKeys)} \
-      ${config.home.homeDirectory}/.ssh/ephemeral_sshd/authorized_keys
+      ''${HOME?}/.ssh/ephemeral_sshd/authorized_keys
   '';
 
   # TODO: consider
diff --git a/modules/home/common.nix b/modules/home/common.nix
index f25c892..29e73f1 100644
--- a/modules/home/common.nix
+++ b/modules/home/common.nix
@@ -30,7 +30,7 @@
 
       if [ -r ~/dotfiles/migrated/.zshrc ]; then
         # Hack for faster iterations
-        . ~/dotfiles/migrated/.zshrc
+        . ~/dotfiles/assets/.zshrc
       else
         . ${../../migrated/.zshrc}
       fi
@@ -61,10 +61,11 @@
       vim-startify
     ];
     extraConfig = ''
-      if filereadable(expand("~/dotfiles/migrated/.vimrc"))
-        source ~/dotfiles/migrated/.vimrc
+      if filereadable(expand("~/dotfiles/assets/.vimrc"))
+        # Hack for faster iterations
+        source ~/dotfiles/assets/.vimrc
       else
-        source ${../../migrated/.vimrc}
+        source ${../../assets/.vimrc}
       endif
     '';
   };