write up initial exploration of nix-darwin
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* Home Manager with nix-darwin
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I'm going to try and combine Home Manager with nix-darwin. It does not seem
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terribly different from the instructions for NixOS
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(https://rycee.gitlab.io/home-manager/index.html). If this works out, I will
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submit instructions for doing so to the home-manager repo!
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I'm following nixpkgs-unstable, so my path looks like this:
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** adding the home-manager channel
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#+begin_src sh
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nix-channel --add https://github.com/rycee/home-manager/archive/master.tar.gz home-manager
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#+end_src
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#+RESULTS:
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#+begin_src sh
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nix-channel --update --verbose
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#+end_src
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#+RESULTS:
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I previously installed nix-darwin using the normal method listed at https://github.com/LnL7/nix-darwin
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** using the home-manager channel and my config
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OK, I think I need to edit my config and bring it into the right place... and
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then maybe change some shell variables to point to the right activation
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functions.
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Let's get it into the nix-darwin config first. I'm using ~darwin-rebuild edit~
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to do this for now.
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The instructions say to add ~imports = [ <home-manager/nix> ];~... but that does
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not exist. Looks like it's maybe ~/nix-darwin~ now?
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(yes, that worked. The NixOS instructions must be wrong.)
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Now to add this bit:
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#+begin_src nix
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users.user.brianhicks.isNormalUser = true; # todo: do I need this in nix-darwin?
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home-manager.users.brianhicks = (builtins.callPackage /Users/brianhicks/dotfiles.nix/macbook.nix { pkgs = pkgs; });
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#+end_src
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ah ha! ~users.user~ is not valid in nix-darwin. Removed!
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Now it interprets the source OK but the ~imports~ in ~macbook.nix~ are causing
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issues. OK, let's try removing those as a test.
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Still having some issues, now it's complaining about overrides not being
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defined. Well that's OK, because it looks like I'm not actually supposed to call
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the package. ~home-manager.users.${username}~ is supposed to be a function of ~{
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pkgs, ... }: ...~
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So now it's this:
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#+begin_src nix
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home-manager.users.brianhicks = (import /Users/brianhicks/dotfiles.nix/macbook.nix);
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#+end_src
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More issues:
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#+begin_src
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error: attribute 'brianhicks' missing, at /Users/brianhicks/.nix-defexpr/channels/home-manager/nix-darwin/default.nix:17:28
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(use '--show-trace' to show detailed location information)
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#+end_src
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#+begin_src nix
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home.username = config.users.users.${name}.name;
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home.homeDirectory = config.users.users.${name}.home;
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#+end_src
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so it looks like I need to define ~config.users.user.brianhicks~ after all? (AH HA it has to be ~users.users~)
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#+begin_src nix
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users.users.brianhicks.isNormalUser = true;
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home-manager.users.brianhicks = (import /Users/brianhicks/dotfiles.nix/macbook.nix);
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#+end_src
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Ah, but ~isNormalUser~ doesn't exist, so let's ry setting the attributes it's looking for above...
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#+begin_src nix
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users.users.brianhicks.name = "brianhicks";
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users.users.brianhicks.home = "/Users/brianhicks";
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home-manager.users.brianhicks = (import /Users/brianhicks/dotfiles.nix/macbook.nix);
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#+end_src
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Cool! When I run ~darwin-rebuild build~, I get a reasonable-looking activation script in ~result/activate~
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#+begin_src
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result
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├── Applications -> /nix/store/qlms1a5rzscr4v7a37si8f7kpxmdvba5-system-applications/Applications
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├── Library
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│ ├── Fonts -> /nix/store/wv01zc1dm35cdzbsyq3p66f4mpwi1xwq-fonts/Library/Fonts
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│ ├── LaunchAgents -> /nix/store/xbmlmv5d9kgx1m636c3kk8vq86rs6hyq-launchd/Library/LaunchAgents
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│ └── LaunchDaemons -> /nix/store/xbmlmv5d9kgx1m636c3kk8vq86rs6hyq-launchd/Library/LaunchDaemons
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├── activate
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├── activate-user
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├── darwin
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├── darwin-changes
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├── darwin-version
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├── etc -> /nix/store/46427lw6jxl6iq5wxq9861vg3476jv02-etc/etc
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├── sw -> /nix/store/0f3naaxfz11z21505la3xqg860cn85qy-system-path
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├── system
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├── systemConfig
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└── user
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└── Library
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└── LaunchAgents -> /nix/store/xbmlmv5d9kgx1m636c3kk8vq86rs6hyq-launchd/user/Library/LaunchAgents
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11 directories, 6 files
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#+end_src
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OK, going for it! ~darwin-rebuild switch~ and it worked! WHEEEEEEEEE!
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Looks like I need to add an additional option for it to install packages though. Here we go:
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#+begin_src nix
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home-manager.useUserPackages = true;
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#+end_src
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Hmm, so that seems to have not worked. Stuff I install through that like ~jq~ and ~lorri~ are not working.
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OK, I've got to fix this another time. Going to switch back to home-manager alone for now. But, mostly working!
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