installer: move channel creation to README

.github/workflows/test.yml

@@ -41,8 +41,9 @@ jobs:
       with:
         install_url: https://releases.nixos.org/nix/nix-2.18.8/install
         nix_path: nixpkgs=channel:${{ env.CURRENT_STABLE_CHANNEL }}
-    - name: Install ${{ env.CURRENT_STABLE_CHANNEL }} channel
+    - name: Install channels
       run: |
+        nix-channel --add https://github.com/LnL7/nix-darwin/archive/master.tar.gz darwin
         nix-channel --add https://nixos.org/channels/${{ env.CURRENT_STABLE_CHANNEL }} nixpkgs
         nix-channel --update
     - name: Install nix-darwin and test
@@ -87,8 +88,9 @@ jobs:
       with:
         install_url: https://releases.nixos.org/nix/nix-2.24.9/install
         nix_path: nixpkgs=channel:nixpkgs-unstable
-    - name: Install nixpkgs-unstable channel
+    - name: Install channels
       run: |
+        nix-channel --add https://github.com/LnL7/nix-darwin/archive/master.tar.gz darwin
         nix-channel --add https://nixos.org/channels/nixpkgs-unstable nixpkgs
         nix-channel --update
     - name: Install nix-darwin and test

README.md

@@ -119,24 +119,26 @@ nix-darwin.lib.darwinSystem {
 
 Copy the [simple](./modules/examples/simple.nix) example to `~/.config/nix-darwin/configuration.nix`.
 
-### Step 2. Installing `nix-darwin`
+### Step 2. Adding `nix-darwin` channel
+
+```bash
+nix-channel --add https://github.com/LnL7/nix-darwin/archive/master.tar.gz darwin
+nix-channel --update
+```
+
+### Step 3. Installing `nix-darwin`
 
 ```bash
 nix-build https://github.com/LnL7/nix-darwin/archive/master.tar.gz -A installer
 ./result/bin/darwin-installer
 ```
 
-### Step 3. Updating `nix-darwin`
-
-The installer will configure a channel for this repository.
+### Step 4. Updating `nix-darwin`
 
 ```bash
 nix-channel --update darwin
 darwin-rebuild changelog
 ```
-
-> NOTE: If you are using Nix as a daemon service the channel for that will be owned by root.
-> Use `sudo -i nix-channel --update darwin` instead.
 </details>
 
 ## Documentation

pkgs/darwin-installer/default.nix

@@ -47,20 +47,6 @@ stdenv.mkDerivation {
     echo >&2 "Installing nix-darwin..."
     echo >&2
 
-    i=y
-    darwinPath=$(NIX_PATH=$HOME/.nix-defexpr/channels nix-instantiate --eval -E '<darwin>' 2> /dev/null) || true
-    if ! test -e "$darwinPath"; then
-        if test -t 0; then
-            read -p "Would you like to manage <darwin> with nix-channel? [y/N] " i
-        fi
-        case "$i" in
-            y|Y)
-                nix-channel --add https://github.com/LnL7/nix-darwin/archive/master.tar.gz darwin
-                nix-channel --update
-                ;;
-        esac
-    fi
-
     export NIX_PATH=${nixPath}
     system=$(nix-build '<darwin>' -A system --no-out-link --show-trace)