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# This module defines global configuration for the zshell.
{ config, lib, pkgs, ... }:
with lib;
let
cfge = config.environment;
cfg = config.programs.zsh;
zshAliases = concatStringsSep "\n" (
mapAttrsFlatten (k: v: "alias ${k}=${escapeShellArg v}")
(filterAttrs (k: v: v != null) cfg.shellAliases)
);
in
{
options = {
programs.zsh = {
enable = mkOption {
default = false;
description = ''
Whether to configure zsh as an interactive shell. To enable zsh for
a particular user, use the <option>users.users.<name?>.shell</option>
option for that user. To enable zsh system-wide use the
<option>users.defaultUserShell</option> option.
'';
type = types.bool;
};
shellAliases = mkOption {
default = {};
description = ''
Set of aliases for zsh shell, which overrides <option>environment.shellAliases</option>.
See <option>environment.shellAliases</option> for an option format description.
'';
type = with types; attrsOf (nullOr (either str path));
};
shellInit = mkOption {
default = "";
description = ''
Shell script code called during zsh shell initialisation.
'';
type = types.lines;
};
loginShellInit = mkOption {
default = "";
description = ''
Shell script code called during zsh login shell initialisation.
'';
type = types.lines;
};
interactiveShellInit = mkOption {
default = "";
description = ''
Shell script code called during interactive zsh shell initialisation.
'';
type = types.lines;
};
promptInit = mkOption {
default = ''
autoload -U promptinit && promptinit && prompt walters && setopt prompt_sp
'';
description = ''
Shell script code used to initialise the zsh prompt.
'';
type = types.lines;
};
histSize = mkOption {
default = 2000;
description = ''
Change history size.
'';
type = types.int;
};
histFile = mkOption {
default = "$HOME/.zsh_history";
description = ''
Change history file.
'';
type = types.str;
};
setOptions = mkOption {
type = types.listOf types.str;
default = [
"HIST_IGNORE_DUPS" "SHARE_HISTORY" "HIST_FCNTL_LOCK"
];
example = [ "EXTENDED_HISTORY" "RM_STAR_WAIT" ];
description = ''
Configure zsh options.
'';
};
enableCompletion = mkOption {
default = true;
description = ''
Enable zsh completion for all interactive zsh shells.
'';
type = types.bool;
};
enableGlobalCompInit = mkOption {
default = cfg.enableCompletion;
description = ''
Enable execution of compinit call for all interactive zsh shells.
This option can be disabled if the user wants to extend its
<literal>fpath</literal> and a custom <literal>compinit</literal>
call in the local config is required.
'';
type = types.bool;
};
};
};
config = mkIf cfg.enable {
programs.zsh.shellAliases = mapAttrs (name: mkDefault) cfge.shellAliases;
environment.etc."zshenv".text =
''
# /etc/zshenv: DO NOT EDIT -- this file has been generated automatically.
# This file is read for all shells.
# Only execute this file once per shell.
# But don't clobber the environment of interactive non-login children!
if [ -n "$__ETC_ZSHENV_SOURCED" ]; then return; fi
export __ETC_ZSHENV_SOURCED=1
if [ -z "$__NIXOS_SET_ENVIRONMENT_DONE" ]; then
. ${config.system.build.setEnvironment}
fi
HELPDIR="${pkgs.zsh}/share/zsh/$ZSH_VERSION/help"
# Tell zsh how to find installed completions
for p in ''${(z)NIX_PROFILES}; do
fpath+=($p/share/zsh/site-functions $p/share/zsh/$ZSH_VERSION/functions $p/share/zsh/vendor-completions)
done
${cfge.shellInit}
${cfg.shellInit}
# Read system-wide modifications.
if test -f /etc/zshenv.local; then
. /etc/zshenv.local
fi
'';
environment.etc."zprofile".text =
''
# /etc/zprofile: DO NOT EDIT -- this file has been generated automatically.
# This file is read for login shells.
# Only execute this file once per shell.
if [ -n "$__ETC_ZPROFILE_SOURCED" ]; then return; fi
__ETC_ZPROFILE_SOURCED=1
${cfge.loginShellInit}
${cfg.loginShellInit}
# Read system-wide modifications.
if test -f /etc/zprofile.local; then
. /etc/zprofile.local
fi
'';
environment.etc."zshrc".text =
''
# /etc/zshrc: DO NOT EDIT -- this file has been generated automatically.
# This file is read for interactive shells.
# Only execute this file once per shell.
if [ -n "$__ETC_ZSHRC_SOURCED" -o -n "$NOSYSZSHRC" ]; then return; fi
__ETC_ZSHRC_SOURCED=1
. /etc/zinputrc
# Don't export these, otherwise other shells (bash) will try to use same histfile
SAVEHIST=${toString cfg.histSize}
HISTSIZE=${toString cfg.histSize}
HISTFILE=${cfg.histFile}
${optionalString cfg.enableGlobalCompInit "autoload -U compinit && compinit"}
${cfge.interactiveShellInit}
${cfg.interactiveShellInit}
${optionalString (cfg.setOptions != []) "setopt ${concatStringsSep " " cfg.setOptions}"}
${zshAliases}
${cfg.promptInit}
# Need to disable features to support TRAMP
if [ "$TERM" = dumb ]; then
unsetopt zle prompt_cr prompt_subst
unfunction precmd preexec
unset RPS1 RPROMPT
PS1='$ '
PROMPT='$ '
fi
# Read system-wide modifications.
if test -f /etc/zshrc.local; then
. /etc/zshrc.local
fi
'';
environment.etc."zinputrc".source = ./zinputrc;
environment.systemPackages = [ pkgs.zsh ]
++ optional cfg.enableCompletion pkgs.nix-zsh-completions;
environment.pathsToLink = optional cfg.enableCompletion "/share/zsh";
#users.defaultUserShell = mkDefault "/run/current-system/sw/bin/zsh";
environment.shells =
[ "/run/current-system/sw/bin/zsh"
"${pkgs.zsh}/bin/zsh"
];
};
}
|