treewide: document and setup scripts for darwin systems

README.md

@@ -48,6 +48,19 @@ nix run \
 
 ### Manual instructions for some systems
 
+#### Darwin
+
+```sh
+# Install nix via Determinate Nix Installer https://determinate.systems/posts/determinate-nix-installer
+curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install
+
+sudo echo "trusted-users = $USER" >> /etc/nix/nix.conf
+sudo launchctl stop org.nixos.nix-daemon
+sudo launchctl start org.nixos.nix-daemon
+
+nix run github:Gerschtli/nix-config#setup
+```
+
 #### NixOS
 
 1. Set up like written in the [NixOS manual][nixos-manual] with image from `nix build ".#installer-image"`

files/apps/setup.sh

@@ -101,6 +101,14 @@ if _is_nixos; then
     _log "Don't forget to set passwd for tobias and root!"
     _log "It may be required to set up an age key for root:"
     _log "  age-keygen -o ~/.age/key.txt"
+elif _is_darwin; then
+    hostname=$(_read_enum "Enter hostname" R2026 work01)
+
+    _log "Run darwin-rebuild switch..."
+    nix \
+      --option extra-substituters "https://gerschtli.cachix.org" \
+      --option extra-trusted-public-keys "gerschtli.cachix.org-1:dWJ/WiIA3W2tTornS/2agax+OI0yQF8ZA2SFjU56vZ0=" \
+      run nix-darwin -- switch --flake "${nix_config}#${hostname}"
 elif [[ "${USER}" == "nix-on-droid" ]]; then
     _log "Run nix-on-droid switch..."
     nix-on-droid switch \

home/misc/util-bins/system-update.sh

@@ -50,7 +50,7 @@ keychain "${HOME}/.ssh/keys/id_rsa.vcs"
 
 
 # update ubuntu
-if _available apt && [[ "${OSTYPE}" != "darwin"* ]]; then
+if _available apt && ! _is_darwin; then
     _log "apt" "update"
     sudo apt update
     _log "apt" "upgrade"

lib/script/lib.sh

@@ -12,6 +12,10 @@ _available() {
     hash "${1}" > /dev/null 2>&1
 }
 
+_is_darwin() {
+    [[ "${OSTYPE}" == "darwin"* ]]
+}
+
 _is_nixos() {
     [[ -f "/etc/NIXOS" ]]
 }