cleanup

home/migration.nix

@@ -0,0 +1,29 @@
+{lib, ...}: {
+  # Transitional cleanup for files previously owned by ~/dots. Keeping this
+  # separate from steady-state modules makes it obvious what can be deleted
+  # once every managed path has been fully handed over to Home Manager.
+  home.activation.removeLegacyZshLinks = lib.hm.dag.entryBefore ["checkLinkTargets"] ''
+    for path in "$HOME/.zshenv" "$HOME/.zshrc"; do
+      if [ -L "$path" ]; then
+        target="$(readlink "$path")"
+        case "$target" in
+          dots/zsh/*|"$HOME"/dots/zsh/*)
+            rm -f "$path"
+            ;;
+        esac
+      fi
+    done
+  '';
+
+  home.activation.removeLegacyTmuxLink = lib.hm.dag.entryBefore ["checkLinkTargets"] ''
+    path="$HOME/.config/tmux/tmux.conf"
+    if [ -L "$path" ]; then
+      target="$(readlink "$path")"
+      case "$target" in
+        ../../dots/tmux/*|dots/tmux/*|"$HOME"/dots/tmux/*)
+          rm -f "$path"
+          ;;
+      esac
+    fi
+  '';
+}