6 files changed, 161 insertions, 0 deletions
diff --git a/use-cases/default.nix b/use-cases/default.nix
new file mode 100644
index 0000000..5af2903
--- /dev/null
+++ b/use-cases/default.nix
@@ -0,0 +1,43 @@
+# This configuration is centered around use cases, rather than profiles. Since
+# all of the machines I manage are single-user machines, there's no point in
+# creating multiple users.
+#
+# While the users don't differ, the use cases definitely do. I use some
+# machines for homework and gaming, while others are used for web-browsing and
+# development. Each use case is a subdirectory with (home-manager)
+# configuration options.
+#
+# Note that e.g. "running a DNS server" is not a use case. That's specified in
+# the respective host's `configuration.nix`.
+
+{ config, lib, flakeInputs, ... }:
+
+let
+  inherit (lib) mkEnableOption mkIf;
+  cfg = config.my.use-cases;
+in
+{
+  options.my.use-cases = {
+    development.enable = mkEnableOption "development use case";
+    sysadmin.enable = mkEnableOption "sysadmin use case";
+  };
+
+  config = {
+    home-manager.users.linus = {
+      imports =
+        (lib.optional cfg.development.enable ./development) ++
+        (lib.optional cfg.sysadmin.enable ./sysadmin);
+	# TODO: Graphical linux config (remember assertion).
+
+       xdg.enable = true;
+    };
+
+    # Pass
+    home-manager.extraSpecialArgs = {
+      super = config;
+      inherit flakeInputs;
+    };
+
+    home-manager.useGlobalPkgs = true;
+  };
+}
diff --git a/use-cases/development/default.nix b/use-cases/development/default.nix
new file mode 100644
index 0000000..a2c3675
--- /dev/null
+++ b/use-cases/development/default.nix
@@ -0,0 +1,10 @@
+{ config, lib, ... }:
+
+{
+  imports =
+    [
+      ./git.nix
+      ./neovim.nix
+      ./zsh.nix
+    ];
+}
diff --git a/use-cases/development/git.nix b/use-cases/development/git.nix
new file mode 100644
index 0000000..8df44db
--- /dev/null
+++ b/use-cases/development/git.nix
@@ -0,0 +1,18 @@
+{ ... }:
+
+{
+  programs.git = {
+    enable = true;
+
+    # Set privacy-respecting user information.
+    userName = "Linnnus";
+    userEmail = "[email protected]";
+  };
+
+  home.shellAliases = {
+    gs = "git status";
+    gd = "git diff";
+    gc = "git commit";
+    gap = "git add --patch";
+  };
+}
diff --git a/use-cases/development/neovim.nix b/use-cases/development/neovim.nix
new file mode 100644
index 0000000..fb7acf3
--- /dev/null
+++ b/use-cases/development/neovim.nix
@@ -0,0 +1,60 @@
+
+# This file contains the HM configuration options for Neovim for the user
+# 'linus'. Don't know him.
+
+{ pkgs, lib, ... }:
+
+{
+  programs.neovim = {
+    enable = true;
+
+    # Wrap neovim with LSP dependencies.
+    # TODO: Build fails with permission error. What? I hate computers...
+    # package =
+    #   let
+    #     base = pkgs.neovim-unwrapped;
+    #     deps = with pkgs; [ pyright ];
+    #     neovim' = pkgs.runCommandLocal "neovim-with-deps" {
+    #       buildInputs = [ pkgs.makeWrapper ];
+    #     } ''
+    #       mkdir $out
+    #       # Link every top-level folder from pkgs.hello to our new target
+    #       ln -s ${base}/* $out
+    #       # Except the bin folder
+    #       rm $out/bin
+    #       mkdir $out/bin
+    #       # We create the bin folder ourselves and link every binary in it
+    #       ln -s ${base}/bin/* $out/bin
+    #       # Except the nvim binary
+    #       rm $out/bin/nvim
+    #       # Because we create this ourself, by creating a wrapper
+    #       makeWrapper ${base}/bin/nvim $out/bin/nvim \
+    #         --prefix PATH : ${lib.makeBinPath deps}
+    #     '';
+    #   in
+    #     neovim';
+
+    plugins = with pkgs.vimPlugins; [
+      {
+        plugin = nvim-lspconfig;
+        type = "lua";
+        config = ''
+          local lspconfig = require("lspconfig");
+          lspconfig.pyright.setup { }
+        '';
+      }
+    ];
+
+    # Typing `vi`, `vim`, or `vimdiff` will also run neovim.
+    viAlias = true;
+    vimAlias = true;
+    vimdiffAlias = true;
+  };
+
+  # Set Neovim as the default editor.
+  home.sessionVariables.EDITOR = "nvim";
+  home.sessionVariables.VISUAL = "nvim";
+
+  # Use neovim as man pager.
+  home.sessionVariables.MANPAGER = "nvim +Man!";
+}
diff --git a/use-cases/development/zsh.nix b/use-cases/development/zsh.nix
new file mode 100644
index 0000000..4db241d
--- /dev/null
+++ b/use-cases/development/zsh.nix
@@ -0,0 +1,14 @@
+{ pkgs, config, ... }:
+
+{
+  programs.zsh = {
+    enable = true;
+
+    defaultKeymap = "viins";
+
+    # Feeble attempt at cleaning up home directory.
+    # TODO: dotDir = (pathRelativeTo config.xdg.configHome config.home) + "/zsh";
+    dotDir = ".config/zsh";
+    history.path = config.xdg.cacheHome + "/zsh/history";
+  };
+}
diff --git a/use-cases/sysadmin/default.nix b/use-cases/sysadmin/default.nix
new file mode 100644
index 0000000..1958797
--- /dev/null
+++ b/use-cases/sysadmin/default.nix
@@ -0,0 +1,16 @@
+# This module defines Home Manager configuration options for the 'sysadmin' use
+# case. That is, basic system administration.
+
+{ pkgs, super, lib, ... }:
+
+let
+  inherit (lib) optional;
+in
+{
+  home.packages = with pkgs; [
+    tree
+    jc
+    jq
+    # is this not the right it is the one passed to home-manager not nixos ???? 'config'?
+  ] ++ (optional (!super.my.use-cases.development.enable) vim);
+}