nixpkgs/nixos/modules/programs/zsh/zsh.nix
Jan Malakhovski b6646f7ba7 nixos: make zsh use fcntl for locking history files by default
Without this zsh creates and then unlinks .lock files at each interactive
input line, which is inhumane with respect to disk.
2015-01-07 15:43:01 +00:00

181 lines
4.2 KiB
Nix

# 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 ${k}='${v}'") cfg.shellAliases
);
in
{
options = {
programs.zsh = {
enable = mkOption {
default = false;
description = ''
Whenever to configure Zsh as an interactive shell.
'';
type = types.bool;
};
shellAliases = mkOption {
default = config.environment.shellAliases;
description = ''
Set of aliases for zsh shell. See <option>environment.shellAliases</option>
for an option format description.
'';
type = types.attrs; # types.attrsOf types.stringOrPath;
};
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
'';
description = ''
Shell script code used to initialise the zsh prompt.
'';
type = types.lines;
};
};
};
config = mkIf cfg.enable {
programs.zsh = {
shellInit = ''
. ${config.system.build.setEnvironment}
${cfge.shellInit}
'';
loginShellInit = cfge.loginShellInit;
interactiveShellInit = ''
${cfge.interactiveShellInit}
${cfg.promptInit}
${zshAliases}
# Some sane history defaults
export SAVEHIST=2000
export HISTSIZE=2000
export HISTFILE=$HOME/.zsh_history
setopt HIST_IGNORE_DUPS SHARE_HISTORY HIST_FCNTL_LOCK
'';
};
environment.profileRelativeEnvVars =
{ FPATH = [ "/share/zsh/site-functions" ];
};
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
${cfg.shellInit}
# Read system-wide modifications.
if test -f /etc/zshenv.local; then
. /etc/zshenv.local
fi
'';
environment.etc."zprofile".text =
''
# /etc/zprofile: DO NOT EDIT -- this file has been generated automatically.
# This file is read for login shells.
# Only execute this file once per shell.
if [ -n "$__ETC_ZPROFILE_SOURCED" ]; then return; fi
__ETC_ZPROFILE_SOURCED=1
${cfg.loginShellInit}
# Read system-wide modifications.
if test -f /etc/zprofile.local; then
. /etc/zprofile.local
fi
'';
environment.etc."zshrc".text =
''
# /etc/zshrc: DO NOT EDIT -- this file has been generated automatically.
# This file is read for interactive shells.
# Only execute this file once per shell.
if [ -n "$__ETC_ZSHRC_SOURCED" -o -n "$NOSYSZSHRC" ]; then return; fi
__ETC_ZSHRC_SOURCED=1
. /etc/zinputrc
${cfg.interactiveShellInit}
# Read system-wide modifications.
if test -f /etc/zshrc.local; then
. /etc/zshrc.local
fi
'';
environment.etc."zinputrc".source = ./zinputrc;
environment.systemPackages = [ pkgs.zsh ];
#users.defaultUserShell = mkDefault "/run/current-system/sw/bin/zsh";
environment.shells =
[ "/run/current-system/sw/bin/zsh"
"/var/run/current-system/sw/bin/zsh"
"${pkgs.zsh}/bin/zsh"
];
};
}