From 77f197272b82057d822ccc025ef630c646161ca5 Mon Sep 17 00:00:00 2001
From: Jim Pudar <jim@pudar.com>
Date: Fri, 22 May 2026 06:17:46 -0400
Subject: [PATCH] Restore Nix host setup instructions in README

---
 README.md | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/README.md b/README.md
index bcb1b36..dbd7943 100644
--- a/README.md
+++ b/README.md
@@ -122,6 +122,26 @@ chmod +x ./rootcell
 bun install --frozen-lockfile
 ```
 
+On macOS with Nix:
+
+```bash
+nix profile install .#hostTools
+
+chmod +x ./rootcell
+bun install --frozen-lockfile
+```
+
+For a one-off shell instead of a profile install:
+
+```bash
+nix shell .#hostTools --command bun install --frozen-lockfile
+nix shell .#hostTools --command ./rootcell
+```
+
+If your host Nix install has not enabled flakes and the new CLI yet, add
+`--extra-experimental-features 'nix-command flakes'` to the host-side `nix`
+commands above.
+
 Choose a provider before first use.
 
 ### macOS + Lima