nixpkgs/nixos/modules/programs/zsh/zsh.nix

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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: !isNull v) 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.&lt;name?&gt;.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 = ''
if [ "$TERM" != dumb ]; then
autoload -U promptinit && promptinit && prompt walters
fi
'';
description = ''
Shell script code used to initialise the zsh prompt.
'';
type = types.lines;
};
enableCompletion = mkOption {
default = true;
description = ''
Enable zsh completion for all interactive zsh shells.
'';
type = types.bool;
};
enableGlobalCompInit = mkOption {
default = cfg.enableCompletion;
description = ''
Enable execution of compinit call for all interactive zsh shells.
This option can be disabled if the user wants to extend its
<literal>fpath</literal> and a custom <literal>compinit</literal>
call in the local config is required.
'';
type = types.bool;
};
};
};
config = mkIf cfg.enable {
programs.zsh.shellAliases = mapAttrs (name: mkDefault) cfge.shellAliases;
environment.etc."zshenv".text =
''
# /etc/zshenv: DO NOT EDIT -- this file has been generated automatically.
# This file is read for all shells.
# Only execute this file once per shell.
# But don't clobber the environment of interactive non-login children!
if [ -n "$__ETC_ZSHENV_SOURCED" ]; then return; fi
export __ETC_ZSHENV_SOURCED=1
if [ -z "$__NIXOS_SET_ENVIRONMENT_DONE" ]; then
. ${config.system.build.setEnvironment}
fi
${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 "$NOSYSZSHRC" ]; then return; fi
__ETC_ZSHRC_SOURCED=1
. /etc/zinputrc
# history defaults
SAVEHIST=2000
HISTSIZE=2000
HISTFILE=$HOME/.zsh_history
setopt HIST_IGNORE_DUPS SHARE_HISTORY HIST_FCNTL_LOCK
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
${optionalString cfg.enableGlobalCompInit "autoload -U compinit && compinit"}
${cfge.interactiveShellInit}
${cfg.interactiveShellInit}
${zshAliases}
${cfg.promptInit}
# Read system-wide modifications.
if test -f /etc/zshrc.local; then
. /etc/zshrc.local
fi
'';
environment.etc."zinputrc".source = ./zinputrc;
environment.systemPackages = [ pkgs.zsh ]
++ optional cfg.enableCompletion pkgs.nix-zsh-completions;
environment.pathsToLink = optional cfg.enableCompletion "/share/zsh";
#users.defaultUserShell = mkDefault "/run/current-system/sw/bin/zsh";
environment.shells =
[ "/run/current-system/sw/bin/zsh"
"/var/run/current-system/sw/bin/zsh"
"${pkgs.zsh}/bin/zsh"
];
};
}