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home-manager/modules/programs/zsh.nix
Emily 3228f92b90 treewide: manually convert some docs to Markdown
These files all have options that trip up the `nix-doc-munge`
conversion tool for one reason or another (syntax that clashes with
Markdown, options that were already using Markdown syntax despite not
being marked that way, output that differs slightly after conversion,
syntax too elaborate to convert with some cheap regular expressions,
...). Translate them manually and do a little copyediting to options
in the vicinity while we're at it.
2023-07-17 16:49:35 +01:00

656 lines
20 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.zsh;
relToDotDir = file: (optionalString (cfg.dotDir != null) (cfg.dotDir + "/")) + file;
pluginsDir = if cfg.dotDir != null then
relToDotDir "plugins" else ".zsh/plugins";
envVarsStr = config.lib.zsh.exportAll cfg.sessionVariables;
localVarsStr = config.lib.zsh.defineAll cfg.localVariables;
aliasesStr = concatStringsSep "\n" (
mapAttrsToList (k: v: "alias ${k}=${lib.escapeShellArg v}") cfg.shellAliases
);
dirHashesStr = concatStringsSep "\n" (
mapAttrsToList (k: v: ''hash -d ${k}="${v}"'') cfg.dirHashes
);
zdotdir = "$HOME/" + cfg.dotDir;
bindkeyCommands = {
emacs = "bindkey -e";
viins = "bindkey -v";
vicmd = "bindkey -a";
};
stateVersion = config.home.stateVersion;
historyModule = types.submodule ({ config, ... }: {
options = {
size = mkOption {
type = types.int;
default = 10000;
description = "Number of history lines to keep.";
};
save = mkOption {
type = types.int;
defaultText = 10000;
default = config.size;
description = "Number of history lines to save.";
};
path = mkOption {
type = types.str;
default = if versionAtLeast stateVersion "20.03"
then "$HOME/.zsh_history"
else relToDotDir ".zsh_history";
defaultText = literalExpression ''
"$HOME/.zsh_history" if state version 20.03,
"$ZDOTDIR/.zsh_history" otherwise
'';
example = literalExpression ''"''${config.xdg.dataHome}/zsh/zsh_history"'';
description = "History file location";
};
ignorePatterns = mkOption {
type = types.listOf types.str;
default = [];
example = literalExpression ''[ "rm *" "pkill *" ]'';
description = ''
Do not enter command lines into the history list
if they match any one of the given shell patterns.
'';
};
ignoreDups = mkOption {
type = types.bool;
default = true;
description = ''
Do not enter command lines into the history list
if they are duplicates of the previous event.
'';
};
ignoreSpace = mkOption {
type = types.bool;
default = true;
description = ''
Do not enter command lines into the history list
if the first character is a space.
'';
};
expireDuplicatesFirst = mkOption {
type = types.bool;
default = false;
description = "Expire duplicates first.";
};
extended = mkOption {
type = types.bool;
default = false;
description = "Save timestamp into the history file.";
};
share = mkOption {
type = types.bool;
default = true;
description = "Share command history between zsh sessions.";
};
};
});
pluginModule = types.submodule ({ config, ... }: {
options = {
src = mkOption {
type = types.path;
description = ''
Path to the plugin folder.
Will be added to <envar>fpath</envar> and <envar>PATH</envar>.
'';
};
name = mkOption {
type = types.str;
description = ''
The name of the plugin.
Don't forget to add <option>file</option>
if the script name does not follow convention.
'';
};
file = mkOption {
type = types.str;
description = "The plugin script to source.";
};
};
config.file = mkDefault "${config.name}.plugin.zsh";
});
ohMyZshModule = types.submodule {
options = {
enable = mkEnableOption "oh-my-zsh";
package = mkPackageOption pkgs "oh-my-zsh" { };
plugins = mkOption {
default = [];
example = [ "git" "sudo" ];
type = types.listOf types.str;
description = ''
List of oh-my-zsh plugins
'';
};
custom = mkOption {
default = "";
type = types.str;
example = "$HOME/my_customizations";
description = ''
Path to a custom oh-my-zsh package to override config of
oh-my-zsh. See <link xlink:href="https://github.com/robbyrussell/oh-my-zsh/wiki/Customization"/>
for more information.
'';
};
theme = mkOption {
default = "";
example = "robbyrussell";
type = types.str;
description = ''
Name of the theme to be used by oh-my-zsh.
'';
};
extraConfig = mkOption {
default = "";
example = ''
zstyle :omz:plugins:ssh-agent identities id_rsa id_rsa2 id_github
'';
type = types.lines;
description = ''
Extra settings for plugins.
'';
};
};
};
historySubstringSearchModule = types.submodule {
options = {
enable = mkEnableOption "history substring search";
searchUpKey = mkOption {
type = with types; either (listOf str) str ;
default = [ "^[[A" ];
description = ''
The key codes to be used when searching up.
The default of <literal>^[[A</literal> corresponds to the UP key.
'';
};
searchDownKey = mkOption {
type = with types; either (listOf str) str ;
default = [ "^[[B" ];
description = ''
The key codes to be used when searching down.
The default of <literal>^[[B</literal> corresponds to the DOWN key.
'';
};
};
};
syntaxHighlightingModule = types.submodule {
options = {
enable = mkEnableOption "zsh syntax highlighting";
package = mkPackageOption pkgs "zsh-syntax-highlighting" { };
styles = mkOption {
type = types.attrsOf types.str;
default = {};
description = ''
Custom styles for syntax highlighting.
See each highlighter's options: <link xlink:href="https://github.com/zsh-users/zsh-syntax-highlighting/blob/master/docs/highlighters.md"/>
'';
};
};
};
in
{
imports = [
(mkRenamedOptionModule [ "programs" "zsh" "enableSyntaxHighlighting" ] [ "programs" "zsh" "syntaxHighlighting" "enable" ])
];
options = {
programs.zsh = {
enable = mkEnableOption "Z shell (Zsh)";
package = mkPackageOption pkgs "zsh" { };
autocd = mkOption {
default = null;
description = ''
Automatically enter into a directory if typed directly into shell.
'';
type = types.nullOr types.bool;
};
cdpath = mkOption {
default = [];
description = lib.mdDoc ''
List of paths to autocomplete calls to {command}`cd`.
'';
type = types.listOf types.str;
};
dotDir = mkOption {
default = null;
example = ".config/zsh";
description = ''
Directory where the zsh configuration and more should be located,
relative to the users home directory. The default is the home
directory.
'';
type = types.nullOr types.str;
};
shellAliases = mkOption {
default = {};
example = literalExpression ''
{
ll = "ls -l";
".." = "cd ..";
}
'';
description = ''
An attribute set that maps aliases (the top level attribute names in
this option) to command strings or directly to build outputs.
'';
type = types.attrsOf types.str;
};
shellGlobalAliases = mkOption {
default = {};
example = literalExpression ''
{
UUID = "$(uuidgen | tr -d \\n)";
G = "| grep";
}
'';
description = ''
Similar to <xref linkend="opt-programs.zsh.shellAliases"/>,
but are substituted anywhere on a line.
'';
type = types.attrsOf types.str;
};
dirHashes = mkOption {
default = {};
example = literalExpression ''
{
docs = "$HOME/Documents";
vids = "$HOME/Videos";
dl = "$HOME/Downloads";
}
'';
description = ''
An attribute set that adds to named directory hash table.
'';
type = types.attrsOf types.str;
};
enableCompletion = mkOption {
default = true;
description = ''
Enable zsh completion. Don't forget to add
<programlisting language="nix">
environment.pathsToLink = [ "/share/zsh" ];
</programlisting>
to your system configuration to get completion for system packages (e.g. systemd).
'';
type = types.bool;
};
completionInit = mkOption {
default = "autoload -U compinit && compinit";
description = "Initialization commands to run when completion is enabled.";
type = types.lines;
};
enableAutosuggestions = mkOption {
default = false;
description = "Enable zsh autosuggestions";
};
syntaxHighlighting = mkOption {
type = syntaxHighlightingModule;
default = {};
description = "Options related to zsh-syntax-highlighting.";
};
historySubstringSearch = mkOption {
type = historySubstringSearchModule;
default = {};
description = "Options related to zsh-history-substring-search.";
};
history = mkOption {
type = historyModule;
default = {};
description = "Options related to commands history configuration.";
};
defaultKeymap = mkOption {
type = types.nullOr (types.enum (attrNames bindkeyCommands));
default = null;
example = "emacs";
description = "The default base keymap to use.";
};
sessionVariables = mkOption {
default = {};
type = types.attrs;
example = { MAILCHECK = 30; };
description = "Environment variables that will be set for zsh session.";
};
initExtraBeforeCompInit = mkOption {
default = "";
type = types.lines;
description = "Extra commands that should be added to <filename>.zshrc</filename> before compinit.";
};
initExtra = mkOption {
default = "";
type = types.lines;
description = "Extra commands that should be added to <filename>.zshrc</filename>.";
};
initExtraFirst = mkOption {
default = "";
type = types.lines;
description = "Commands that should be added to top of <filename>.zshrc</filename>.";
};
envExtra = mkOption {
default = "";
type = types.lines;
description = "Extra commands that should be added to <filename>.zshenv</filename>.";
};
profileExtra = mkOption {
default = "";
type = types.lines;
description = "Extra commands that should be added to <filename>.zprofile</filename>.";
};
loginExtra = mkOption {
default = "";
type = types.lines;
description = "Extra commands that should be added to <filename>.zlogin</filename>.";
};
logoutExtra = mkOption {
default = "";
type = types.lines;
description = "Extra commands that should be added to <filename>.zlogout</filename>.";
};
plugins = mkOption {
type = types.listOf pluginModule;
default = [];
example = literalExpression ''
[
{
# will source zsh-autosuggestions.plugin.zsh
name = "zsh-autosuggestions";
src = pkgs.fetchFromGitHub {
owner = "zsh-users";
repo = "zsh-autosuggestions";
rev = "v0.4.0";
sha256 = "0z6i9wjjklb4lvr7zjhbphibsyx51psv50gm07mbb0kj9058j6kc";
};
}
{
name = "enhancd";
file = "init.sh";
src = pkgs.fetchFromGitHub {
owner = "b4b4r07";
repo = "enhancd";
rev = "v2.2.1";
sha256 = "0iqa9j09fwm6nj5rpip87x3hnvbbz9w9ajgm6wkrd5fls8fn8i5g";
};
}
]
'';
description = "Plugins to source in <filename>.zshrc</filename>.";
};
oh-my-zsh = mkOption {
type = ohMyZshModule;
default = {};
description = "Options to configure oh-my-zsh.";
};
localVariables = mkOption {
type = types.attrs;
default = {};
example = { POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=["dir" "vcs"]; };
description = ''
Extra local variables defined at the top of <filename>.zshrc</filename>.
'';
};
};
};
config = mkIf cfg.enable (mkMerge [
(mkIf (cfg.envExtra != "") {
home.file."${relToDotDir ".zshenv"}".text = cfg.envExtra;
})
(mkIf (cfg.profileExtra != "") {
home.file."${relToDotDir ".zprofile"}".text = cfg.profileExtra;
})
(mkIf (cfg.loginExtra != "") {
home.file."${relToDotDir ".zlogin"}".text = cfg.loginExtra;
})
(mkIf (cfg.logoutExtra != "") {
home.file."${relToDotDir ".zlogout"}".text = cfg.logoutExtra;
})
(mkIf cfg.oh-my-zsh.enable {
home.file."${relToDotDir ".zshenv"}".text = ''
ZSH="${cfg.oh-my-zsh.package}/share/oh-my-zsh";
ZSH_CACHE_DIR="${config.xdg.cacheHome}/oh-my-zsh";
'';
})
(mkIf (cfg.dotDir != null) {
home.file."${relToDotDir ".zshenv"}".text = ''
ZDOTDIR=${zdotdir}
'';
# When dotDir is set, only use ~/.zshenv to source ZDOTDIR/.zshenv,
# This is so that if ZDOTDIR happens to be
# already set correctly (by e.g. spawning a zsh inside a zsh), all env
# vars still get exported
home.file.".zshenv".text = ''
source ${zdotdir}/.zshenv
'';
})
{
home.file."${relToDotDir ".zshenv"}".text = ''
# Environment variables
. "${config.home.profileDirectory}/etc/profile.d/hm-session-vars.sh"
# Only source this once
if [[ -z "$__HM_ZSH_SESS_VARS_SOURCED" ]]; then
export __HM_ZSH_SESS_VARS_SOURCED=1
${envVarsStr}
fi
'';
}
{
home.packages = [ cfg.package ]
++ optional cfg.enableCompletion pkgs.nix-zsh-completions
++ optional cfg.oh-my-zsh.enable cfg.oh-my-zsh.package;
home.file."${relToDotDir ".zshrc"}".text = concatStringsSep "\n" ([
cfg.initExtraFirst
"typeset -U path cdpath fpath manpath"
(optionalString (cfg.cdpath != []) ''
cdpath+=(${concatStringsSep " " cfg.cdpath})
'')
''
for profile in ''${(z)NIX_PROFILES}; do
fpath+=($profile/share/zsh/site-functions $profile/share/zsh/$ZSH_VERSION/functions $profile/share/zsh/vendor-completions)
done
HELPDIR="${cfg.package}/share/zsh/$ZSH_VERSION/help"
''
(optionalString (cfg.defaultKeymap != null) ''
# Use ${cfg.defaultKeymap} keymap as the default.
${getAttr cfg.defaultKeymap bindkeyCommands}
'')
localVarsStr
cfg.initExtraBeforeCompInit
(concatStrings (map (plugin: ''
path+="$HOME/${pluginsDir}/${plugin.name}"
fpath+="$HOME/${pluginsDir}/${plugin.name}"
'') cfg.plugins))
''
# Oh-My-Zsh/Prezto calls compinit during initialization,
# calling it twice causes slight start up slowdown
# as all $fpath entries will be traversed again.
${optionalString (cfg.enableCompletion && !cfg.oh-my-zsh.enable && !cfg.prezto.enable)
cfg.completionInit
}
${optionalString cfg.enableAutosuggestions
"source ${pkgs.zsh-autosuggestions}/share/zsh-autosuggestions/zsh-autosuggestions.zsh"
}
${optionalString cfg.oh-my-zsh.enable ''
# oh-my-zsh extra settings for plugins
${cfg.oh-my-zsh.extraConfig}
# oh-my-zsh configuration generated by NixOS
${optionalString (cfg.oh-my-zsh.plugins != [])
"plugins=(${concatStringsSep " " cfg.oh-my-zsh.plugins})"
}
${optionalString (cfg.oh-my-zsh.custom != "")
"ZSH_CUSTOM=\"${cfg.oh-my-zsh.custom}\""
}
${optionalString (cfg.oh-my-zsh.theme != "")
"ZSH_THEME=\"${cfg.oh-my-zsh.theme}\""
}
source $ZSH/oh-my-zsh.sh
''}
${optionalString cfg.prezto.enable
(builtins.readFile "${pkgs.zsh-prezto}/share/zsh-prezto/runcoms/zshrc")}
${concatStrings (map (plugin: ''
if [[ -f "$HOME/${pluginsDir}/${plugin.name}/${plugin.file}" ]]; then
source "$HOME/${pluginsDir}/${plugin.name}/${plugin.file}"
fi
'') cfg.plugins)}
# History options should be set in .zshrc and after oh-my-zsh sourcing.
# See https://github.com/nix-community/home-manager/issues/177.
HISTSIZE="${toString cfg.history.size}"
SAVEHIST="${toString cfg.history.save}"
${optionalString (cfg.history.ignorePatterns != []) "HISTORY_IGNORE=${lib.escapeShellArg "(${lib.concatStringsSep "|" cfg.history.ignorePatterns})"}"}
${if versionAtLeast config.home.stateVersion "20.03"
then ''HISTFILE="${cfg.history.path}"''
else ''HISTFILE="$HOME/${cfg.history.path}"''}
mkdir -p "$(dirname "$HISTFILE")"
setopt HIST_FCNTL_LOCK
${if cfg.history.ignoreDups then "setopt" else "unsetopt"} HIST_IGNORE_DUPS
${if cfg.history.ignoreSpace then "setopt" else "unsetopt"} HIST_IGNORE_SPACE
${if cfg.history.expireDuplicatesFirst then "setopt" else "unsetopt"} HIST_EXPIRE_DUPS_FIRST
${if cfg.history.share then "setopt" else "unsetopt"} SHARE_HISTORY
${if cfg.history.extended then "setopt" else "unsetopt"} EXTENDED_HISTORY
${if cfg.autocd != null then "${if cfg.autocd then "setopt" else "unsetopt"} autocd" else ""}
${cfg.initExtra}
# Aliases
${aliasesStr}
''
]
++ (mapAttrsToList (k: v: "alias -g ${k}=${lib.escapeShellArg v}") cfg.shellGlobalAliases)
++ [ (''
# Named Directory Hashes
${dirHashesStr}
'')
(optionalString cfg.syntaxHighlighting.enable
# Load zsh-syntax-highlighting after all custom widgets have been created
# https://github.com/zsh-users/zsh-syntax-highlighting#faq
''
source ${cfg.syntaxHighlighting.package}/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh
${lib.concatStringsSep "\n" (
lib.mapAttrsToList
(name: value: "ZSH_HIGHLIGHT_STYLES+=(${lib.escapeShellArg name} ${lib.escapeShellArg value})")
cfg.syntaxHighlighting.styles
)}
'')
(optionalString (cfg.historySubstringSearch.enable or false)
# Load zsh-history-substring-search after zsh-syntax-highlighting
# https://github.com/zsh-users/zsh-history-substring-search#usage
''
source ${pkgs.zsh-history-substring-search}/share/zsh-history-substring-search/zsh-history-substring-search.zsh
${lib.concatMapStringsSep "\n"
(upKey: "bindkey '${upKey}' history-substring-search-up")
(lib.toList cfg.historySubstringSearch.searchUpKey)
}
${lib.concatMapStringsSep "\n"
(downKey: "bindkey '${downKey}' history-substring-search-down")
(lib.toList cfg.historySubstringSearch.searchDownKey)
}
'')
]);
}
(mkIf cfg.oh-my-zsh.enable {
# Make sure we create a cache directory since some plugins expect it to exist
# See: https://github.com/nix-community/home-manager/issues/761
home.file."${config.xdg.cacheHome}/oh-my-zsh/.keep".text = "";
})
(mkIf (cfg.plugins != []) {
# Many plugins require compinit to be called
# but allow the user to opt out.
programs.zsh.enableCompletion = mkDefault true;
home.file =
foldl' (a: b: a // b) {}
(map (plugin: { "${pluginsDir}/${plugin.name}".source = plugin.src; })
cfg.plugins);
})
]);
}