bonfire/modules/shell/zsh.nix

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{ config, options, pkgs, lib, ... }:
with lib;
with lib.custom;
let
cfg = config.modules.shell.zsh;
configDir = config.dotfiles.configDir;
in {
options.modules.shell.zsh = with types; {
enable = mkBoolOpt false;
aliases = mkOpt (attrsOf (either str path)) {};
rcInit = mkOpt' lines "" ''
Zsh lines to be written to $XDG_CONFIG_HOME/zsh/extra.zshrc and sourced by
$XDG_CONFIG_HOME/zsh/.zshrc
'';
envInit = mkOpt' lines "" ''
Zsh lines to be written to $XDG_CONFIG_HOME/zsh/extra.zshenv and sourced
by $XDG_CONFIG_HOME/zsh/.zshenv
'';
rcFiles = mkOpt (listOf (either str path)) [];
envFiles = mkOpt (listOf (either str path)) [];
};
config = mkIf cfg.enable {
users.defaultUserShell = pkgs.zsh;
programs.zsh = {
enable = true;
enableCompletion = true;
# I init completion myself, because enableGlobalCompInit initializes it
# too soon, which means commands initialized later in my config won't get
# completion, and running compinit twice is slow.
enableGlobalCompInit = false;
promptInit = "";
};
user.packages = with pkgs; [
zsh
nix-zsh-completions
bat
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nnn
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exa
fasd
fd
fzf
jq
ripgrep
tldr
];
env = {
ZDOTDIR = "$XDG_CONFIG_HOME/zsh";
ZSH_CACHE = "$XDG_CACHE_HOME/zsh";
ZGEN_DIR = "$XDG_DATA_HOME/zgenom";
};
home.configFile = {
# Write it recursively so other modules can write files to it
"zsh" = { source = "${configDir}/zsh"; recursive = true; };
# Why am I creating extra.zsh{rc,env} when I could be using extraInit?
# Because extraInit generates those files in /etc/profile, and mine just
# write the files to ~/.config/zsh; where it's easier to edit and tweak
# them in case of issues or when experimenting.
"zsh/extra.zshrc".text =
let
aliasLines = mapAttrsToList (n: v: "alias ${n}=\"${v}\"") cfg.aliases;
in ''
# This file was autogenerated, do not edit it!
${concatStringsSep "\n" aliasLines}
${concatMapStrings (path: "source '${path}'\n") cfg.rcFiles}
${cfg.rcInit}
'';
"zsh/extra.zshenv".text = ''
# This file is autogenerated, do not edit it!
${concatMapStrings (path: "source '${path}'\n") cfg.envFiles}
${cfg.envInit}
'';
};
system.userActivationScripts.cleanupZgen = ''
rm -rf $ZSH_CACHE
rm -fv $ZGEN_DIR/init.zsh{,.zwc}
'';
};
}