Initial zsh setup

modules/system.nix

@@ -5,6 +5,7 @@
     ./overlay-pkgs
     ./user
     ./emacs
+    ./zsh
   ];
 
   programs.dconf.enable = true;

modules/zsh/completion.zsh

@@ -0,0 +1,27 @@
+# completion types
+zstyle ':completion:*' completer _extensions _complete
+
+# jump directly to first completion
+zstyle ':completion:::::default' menu yes select
+
+# matching
+zstyle ':completion:*' matcher-list '' 'm:{a-zA-Z}={A-Za-z}' 'r:|[.+-]=* r:|=*' 'l:|=* r:|=*'
+
+# allow highlight/menu move in completions
+zstyle ':completion:*' menu select
+
+# styles
+zstyle ':completion:*:*:*:*:descriptions' format '%F{green}// %d%f'
+zstyle ':completion:*:*:*:*:corrections' format '%F{yellow}// %d%f'
+zstyle ':completion:*:messages' format '%F{purple}// %d%f'
+zstyle ':completion:*:warnings' format '%F{red}// no completions availible%f'
+
+# group results under headers
+zstyle ':completion:*' group-name ''
+zstyle ':completion:*:*:-command-:*:*' group-order alias builtins functions commands
+
+# file colors
+zstyle ':completion:*:default' list-colors ${(s.:.)LS_COLORS}
+
+# use --help completions when availible
+compdef _gnu_generic -default- -P '*'

modules/zsh/default.nix

@@ -0,0 +1,67 @@
+{ pkgs, config, impurity, ... }: {
+  # put it in /etc/shells
+  programs.zsh.enable = true;
+
+  users.users.${config.main-user}.shell = pkgs.zsh;
+
+  home-manager.users.${config.main-user} = { config, ... }: let
+    zshDir = ".config/zsh";
+    zshPath = "${config.home.homeDirectory}/${zshDir}";
+
+    history = 1000000;
+  in {
+    programs.zsh = {
+      enable = true;
+
+      # path to zsh configs
+      dotDir = zshDir;
+      enableCompletion = true;
+
+      history = {
+        path = "${zshPath}/history";
+
+        # lines of history to save
+        save = history;
+        size = history;
+      };
+
+      plugins = [
+        {
+          name = "zsh-syntax-highlighting";
+          src = pkgs.fetchFromGitHub {
+            owner = "zsh-users";
+            repo = "zsh-syntax-highlighting";
+            rev = "master";
+            sha256 = "iKx7lsQCoSAbpANYFkNVCZlTFdwOEI34rx/h1rnraSg=";
+          };
+        }
+        {
+          name = "zsh-completions";
+          src = pkgs.fetchFromGitHub {
+            owner = "zsh-users";
+            repo = "zsh-completions";
+            rev = "master";
+            sha256 = "MRGIKZtXk1+Yb8AV4NOqpSiP4IkWxPTJoLftq7VDjoE=";
+          };
+        }
+        {
+          name = "zsh-autosuggestions";
+          src = pkgs.fetchFromGitHub {
+            owner = "zsh-users";
+            repo = "zsh-autosuggestions";
+            rev = "master";
+            sha256 = "KLUYpUu4DHRumQZ3w59m9aTW6TBKMCXl2UcKi4uMd7w=";
+          };
+        }
+      ];
+
+      initExtra = ''
+        # keybinds
+        source ${impurity.link ./keybinds.zsh}
+
+        # completions
+        source ${impurity.link ./completion.zsh}
+      '';
+    };
+  };
+}

modules/zsh/keybinds.zsh

@@ -0,0 +1,14 @@
+autoload -U up-line-or-beginning-search
+autoload -U down-line-or-beginning-search
+zle -N up-line-or-beginning-search
+zle -N down-line-or-beginning-search
+bindkey "^[[A" up-line-or-beginning-search
+bindkey "^[[B" down-line-or-beginning-search
+bindkey "^[OA" up-line-or-beginning-search
+bindkey "^[OB" down-line-or-beginning-search
+bindkey "^K" up-line-or-beginning-search
+bindkey "^J" down-line-or-beginning-search
+bindkey "^[[1;5D" backward-word
+bindkey "^[[1;5C" forward-word
+bindkey "^H" backward-char
+bindkey "^L" forward-char