nix/home: handle dotfiles via vcsh

nix/home-manager/configuration/graphical-fullblown.nix

@@ -10,6 +10,7 @@ in {
   imports = [
     ../profiles/common.nix
     ../profiles/qtile-desktop.nix
+    ../profiles/dotfiles.nix
     ../programs/emacs.nix
     ../programs/firefox.nix
     ../programs/chromium.nix

nix/home-manager/configuration/graphical-removable.nix

@@ -8,6 +8,7 @@ in {
   imports = [
     ../profiles/common.nix
     ../profiles/qtile-desktop.nix
+    ../profiles/dotfiles.nix
     ../programs/emacs.nix
     ../programs/firefox.nix
     ../programs/chromium.nix

nix/home-manager/profiles/dotfiles.nix

@@ -0,0 +1,31 @@
+{ pkgs
+, config
+, ...
+}:
+
+let
+  repoHttps = "https://gitlab.com/steveeJ/dotfiles.git";
+  repoSsh = "git@gitlab.com:/steveeJ/dotfiles.git";
+in {
+  home.activation.vcsh = config.lib.dag.entryAfter["linkGeneration"] ''
+    $DRY_RUN_CMD ${pkgs.writeScript "activation-script" ''
+    set -e
+    export HOST=$(hostname -s)
+
+    function set_remotes {
+      ${pkgs.vcsh}/bin/vcsh dotfiles remote set-url origin ${repoHttps}
+      ${pkgs.vcsh}/bin/vcsh dotfiles remote set-url --push origin ${repoSsh}
+    }
+
+    if ! test -d $HOME/.config/vcsh/repo.d/dotfiles.git; then
+      echo Cloning dotfiles for $HOST...
+      ${pkgs.vcsh}/bin/vcsh clone -b $HOST ${repoHttps} 
+      set_remotes
+    else
+      echo Updating dotfiles for $HOST...
+      set_remotes
+      ${pkgs.vcsh}/bin/vcsh pull $HOST
+    fi
+    ''};
+  '';
+}