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https://github.com/LnL7/nix-darwin.git
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e182d8dff6
This is an equivalent of the `nix.enable` option from NixOS and Home Manager. On NixOS, it mostly serves to allow building fixed‐configuration systems without any Nix installation at all. It should work for that purpose with nix-darwin too, and the implementation is largely the same, but the main use case is more similar to the Home Manager option: to allow the use of nix-darwin with an unmanaged system installation of Nix, including when there is another service expecting to manage it, as with Determinate. By providing an escape hatch to opt out of Nix management entirely, this will also allow us to consolidate and simplify our existing Nix installation management, by being more opinionated about things like taking ownership of the daemon and the build users. Porting one option from NixOS lets us drop two that only ever existed in nix-darwin and reduce overall complexity.
99 lines
2.9 KiB
Nix
99 lines
2.9 KiB
Nix
{ lib, path, stdenv, writeShellApplication }:
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let
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uninstallSystem = import ../../eval-config.nix {
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inherit lib;
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modules = [
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./configuration.nix
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{
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nixpkgs.source = path;
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nixpkgs.hostPlatform = stdenv.hostPlatform.system;
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system.includeUninstaller = false;
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}
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];
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};
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in writeShellApplication {
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name = "darwin-uninstaller";
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text = ''
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while [ "$#" -gt 0 ]; do
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i="$1"; shift 1
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case "$i" in
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--help)
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echo "darwin-uninstaller: [--help]"
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exit
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;;
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esac
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done
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echo >&2
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echo >&2 "Uninstalling nix-darwin, this will:"
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echo >&2
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echo >&2 " - remove /Applications/Nix Apps symlink"
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echo >&2 " - cleanup static /etc files"
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echo >&2 " - disable and remove all launchd services managed by nix-darwin"
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if [[
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-e /run/current-system/Library/LaunchDaemons/org.nixos.nix-daemon.plist
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&& -e /nix/var/nix/profiles/default/Library/LaunchDaemons/org.nixos.nix-daemon.plist
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]]; then
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echo >&2 " - restore nix-daemon service from the Nix installer"
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fi
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echo >&2
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if [[ -t 0 ]]; then
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read -r -p "Proceed? [y/n] " i
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case "$i" in
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y|Y)
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;;
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*)
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exit 3
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;;
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esac
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fi
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${uninstallSystem.system}/sw/bin/darwin-rebuild activate
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if [[ -L /run/current-system ]]; then
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sudo rm /run/current-system
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fi
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if [[ -L /run ]]; then
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if [[ -e /etc/synthetic.conf ]]; then
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sudo sed -i -E '/^run[[:space:]]/d' /etc/synthetic.conf
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sudo /System/Library/Filesystems/apfs.fs/Contents/Resources/apfs.util -t &>/dev/null || true
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echo >&2 "NOTE: the /run symlink will be removed on reboot"
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else
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sudo rm /run
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fi
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fi
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echo >&2
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echo >&2 "NOTE: The /nix/var/nix/profiles/system* profiles still exist and won't be garbage collected."
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echo >&2
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echo >&2 "Done!"
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echo >&2
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'';
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derivationArgs.passthru.tests.uninstaller = writeShellApplication {
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name = "post-uninstall-test";
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text = ''
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echo >&2 "running uninstaller tests..."
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echo >&2
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echo >&2 "checking darwin channel"
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nix-instantiate --find-file darwin && exit 1
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echo >&2 "checking /etc"
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test -e /etc/static && exit 1
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echo >&2 "checking /run/current-system"
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test -e /run/current-system && exit 1
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if [[ $(stat -f '%Su' /nix/store) == "root" ]]; then
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echo >&2 "checking nix-daemon service"
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launchctl print system/org.nixos.nix-daemon
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pgrep -l nix-daemon
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test -e /Library/LaunchDaemons/org.nixos.nix-daemon.plist
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[[ "$(shasum -a 256 /Library/LaunchDaemons/org.nixos.nix-daemon.plist | awk '{print $1}')" == "$(shasum -a 256 /nix/var/nix/profiles/default/Library/LaunchDaemons/org.nixos.nix-daemon.plist | awk '{print $1}')" ]]
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nix-store --store daemon -q --hash ${stdenv.shell}
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fi
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echo >&2 ok
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'';
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};
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}
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