319 lines
9 KiB
Nix
319 lines
9 KiB
Nix
# This module defines global configuration for the zshell.
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{ config, lib, options, pkgs, ... }:
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with lib;
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let
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cfge = config.environment;
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cfg = config.programs.zsh;
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opt = options.programs.zsh;
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zshAliases = concatStringsSep "\n" (
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mapAttrsFlatten (k: v: "alias -- ${k}=${escapeShellArg v}")
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(filterAttrs (k: v: v != null) cfg.shellAliases)
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);
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zshStartupNotes = ''
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# Note that generated /etc/zprofile and /etc/zshrc files do a lot of
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# non-standard setup to make zsh usable with no configuration by default.
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#
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# Which means that unless you explicitly meticulously override everything
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# generated, interactions between your ~/.zshrc and these files are likely
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# to be rather surprising.
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#
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# Note however, that you can disable loading of the generated /etc/zprofile
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# and /etc/zshrc (you can't disable loading of /etc/zshenv, but it is
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# designed to not set anything surprising) by setting `no_global_rcs` option
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# in ~/.zshenv:
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#
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# echo setopt no_global_rcs >> ~/.zshenv
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#
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# See "STARTUP/SHUTDOWN FILES" section of zsh(1) for more info.
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'';
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in
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{
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options = {
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programs.zsh = {
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enable = mkOption {
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default = false;
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description = ''
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Whether to configure zsh as an interactive shell. To enable zsh for
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a particular user, use the {option}`users.users.<name?>.shell`
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option for that user. To enable zsh system-wide use the
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{option}`users.defaultUserShell` option.
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'';
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type = types.bool;
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};
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shellAliases = mkOption {
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default = { };
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description = ''
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Set of aliases for zsh shell, which overrides {option}`environment.shellAliases`.
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See {option}`environment.shellAliases` for an option format description.
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'';
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type = with types; attrsOf (nullOr (either str path));
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};
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shellInit = mkOption {
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default = "";
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description = ''
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Shell script code called during zsh shell initialisation.
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'';
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type = types.lines;
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};
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loginShellInit = mkOption {
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default = "";
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description = ''
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Shell script code called during zsh login shell initialisation.
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'';
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type = types.lines;
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};
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interactiveShellInit = mkOption {
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default = "";
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description = ''
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Shell script code called during interactive zsh shell initialisation.
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'';
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type = types.lines;
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};
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promptInit = mkOption {
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default = ''
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# Note that to manually override this in ~/.zshrc you should run `prompt off`
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# before setting your PS1 and etc. Otherwise this will likely to interact with
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# your ~/.zshrc configuration in unexpected ways as the default prompt sets
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# a lot of different prompt variables.
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autoload -U promptinit && promptinit && prompt suse && setopt prompt_sp
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'';
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description = ''
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Shell script code used to initialise the zsh prompt.
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'';
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type = types.lines;
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};
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histSize = mkOption {
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default = 2000;
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description = ''
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Change history size.
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'';
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type = types.int;
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};
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histFile = mkOption {
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default = "$HOME/.zsh_history";
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description = ''
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Change history file.
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'';
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type = types.str;
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};
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setOptions = mkOption {
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type = types.listOf types.str;
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default = [
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"HIST_IGNORE_DUPS"
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"SHARE_HISTORY"
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"HIST_FCNTL_LOCK"
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];
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example = [ "EXTENDED_HISTORY" "RM_STAR_WAIT" ];
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description = ''
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Configure zsh options. See
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{manpage}`zshoptions(1)`.
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'';
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};
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enableCompletion = mkOption {
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default = true;
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description = ''
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Enable zsh completion for all interactive zsh shells.
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'';
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type = types.bool;
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};
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enableBashCompletion = mkOption {
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default = false;
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description = ''
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Enable compatibility with bash's programmable completion system.
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'';
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type = types.bool;
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};
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enableGlobalCompInit = mkOption {
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default = cfg.enableCompletion;
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defaultText = literalExpression "config.${opt.enableCompletion}";
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description = ''
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Enable execution of compinit call for all interactive zsh shells.
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This option can be disabled if the user wants to extend its
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`fpath` and a custom `compinit`
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call in the local config is required.
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'';
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type = types.bool;
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};
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enableLsColors = mkOption {
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default = true;
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description = ''
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Enable extra colors in directory listings (used by `ls` and `tree`).
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'';
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type = types.bool;
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};
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};
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};
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config = mkIf cfg.enable {
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programs.zsh.shellAliases = mapAttrs (name: mkDefault) cfge.shellAliases;
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environment.etc.zshenv.text =
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''
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# /etc/zshenv: DO NOT EDIT -- this file has been generated automatically.
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# This file is read for all shells.
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# Only execute this file once per shell.
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if [ -n "''${__ETC_ZSHENV_SOURCED-}" ]; then return; fi
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__ETC_ZSHENV_SOURCED=1
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if [ -z "''${__NIXOS_SET_ENVIRONMENT_DONE-}" ]; then
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. ${config.system.build.setEnvironment}
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fi
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HELPDIR="${pkgs.zsh}/share/zsh/$ZSH_VERSION/help"
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# Tell zsh how to find installed completions.
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for p in ''${(z)NIX_PROFILES}; do
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fpath=($p/share/zsh/site-functions $p/share/zsh/$ZSH_VERSION/functions $p/share/zsh/vendor-completions $fpath)
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done
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# Setup custom shell init stuff.
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${cfge.shellInit}
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${cfg.shellInit}
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# Read system-wide modifications.
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if test -f /etc/zshenv.local; then
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. /etc/zshenv.local
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fi
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'';
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environment.etc.zprofile.text =
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''
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# /etc/zprofile: DO NOT EDIT -- this file has been generated automatically.
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# This file is read for login shells.
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#
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${zshStartupNotes}
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# Only execute this file once per shell.
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if [ -n "''${__ETC_ZPROFILE_SOURCED-}" ]; then return; fi
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__ETC_ZPROFILE_SOURCED=1
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# Setup custom login shell init stuff.
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${cfge.loginShellInit}
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${cfg.loginShellInit}
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# Read system-wide modifications.
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if test -f /etc/zprofile.local; then
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. /etc/zprofile.local
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fi
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'';
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environment.etc.zshrc.text =
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''
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# /etc/zshrc: DO NOT EDIT -- this file has been generated automatically.
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# This file is read for interactive shells.
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#
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${zshStartupNotes}
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# Only execute this file once per shell.
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if [ -n "$__ETC_ZSHRC_SOURCED" -o -n "$NOSYSZSHRC" ]; then return; fi
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__ETC_ZSHRC_SOURCED=1
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${optionalString (cfg.setOptions != []) ''
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# Set zsh options.
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setopt ${concatStringsSep " " cfg.setOptions}
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''}
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# Alternative method of determining short and full hostname.
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HOST=${config.networking.fqdnOrHostName}
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# Setup command line history.
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# Don't export these, otherwise other shells (bash) will try to use same HISTFILE.
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SAVEHIST=${toString cfg.histSize}
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HISTSIZE=${toString cfg.histSize}
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HISTFILE=${cfg.histFile}
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# Configure sane keyboard defaults.
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. /etc/zinputrc
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${optionalString cfg.enableGlobalCompInit ''
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# Enable autocompletion.
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autoload -U compinit && compinit
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''}
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${optionalString cfg.enableBashCompletion ''
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# Enable compatibility with bash's completion system.
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autoload -U bashcompinit && bashcompinit
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''}
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# Setup custom interactive shell init stuff.
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${cfge.interactiveShellInit}
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${cfg.interactiveShellInit}
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${optionalString cfg.enableLsColors ''
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# Extra colors for directory listings.
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eval "$(${pkgs.coreutils}/bin/dircolors -b)"
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''}
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# Setup aliases.
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${zshAliases}
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# Setup prompt.
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${cfg.promptInit}
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# Disable some features to support TRAMP.
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if [ "$TERM" = dumb ]; then
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unsetopt zle prompt_cr prompt_subst
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unset RPS1 RPROMPT
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PS1='$ '
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PROMPT='$ '
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fi
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# Read system-wide modifications.
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if test -f /etc/zshrc.local; then
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. /etc/zshrc.local
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fi
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'';
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# Bug in nix flakes:
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# If we use `.source` here the path is garbage collected also we point to it with a symlink
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# see https://github.com/NixOS/nixpkgs/issues/132732
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environment.etc.zinputrc.text = builtins.readFile ./zinputrc;
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environment.systemPackages = [ pkgs.zsh ]
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++ optional cfg.enableCompletion pkgs.nix-zsh-completions;
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environment.pathsToLink = optional cfg.enableCompletion "/share/zsh";
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#users.defaultUserShell = mkDefault "/run/current-system/sw/bin/zsh";
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environment.shells =
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[
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"/run/current-system/sw/bin/zsh"
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"${pkgs.zsh}/bin/zsh"
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];
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};
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}
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