39b85451de
If multiple third-party modules shall be used for `oh-my-zsh` it has to
be possible to create another env which composes all the packages.
Now it can be done like this:
```
{ pkgs, ... }:
{
programs.zsh.enable = true;
programs.zsh.ohMyZsh = {
enable = true;
customPkgs = with pkgs; [
lambda-mod-zsh-theme
nix-zsh-completions
];
theme = "lambda-mod";
plugins = [ "nix" ];
};
}
```
Please keep in mind that this is not compatible with
`programs.zsh.ohMyZsh.custom`, only one of these options can be used
ATM.
Each package should store its outputs into
`$out/share/zsh/<output-name>`. Completions (and ZSH-only) extensions
should live in the `fpath` (`$out/share/zsh/site-functions`), plugins in
`.../plugins` and themes in `.../themes` (please refer to
fdb6bf6ed68c2f089ae6c729dfeaa3eddea2ce6a and 406d64aad162b3a4881747be4e24705fb5182573).
All scripts in `customPkgs` will be linked together using `linkFarm` to
provide a single directory for all scripts from all derivations in
`customPkgs` as suggested in https://github.com/NixOS/nixpkgs/pull/43282#issuecomment-410396365.
137 lines
3.3 KiB
Nix
137 lines
3.3 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.programs.zsh.ohMyZsh;
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mkLinkFarmEntry = name: dir:
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let
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env = pkgs.buildEnv {
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name = "zsh-${name}-env";
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paths = cfg.customPkgs;
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pathsToLink = "/share/zsh/${dir}";
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};
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in
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{ inherit name; path = "${env}/share/zsh/${dir}"; };
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mkLinkFarmEntry' = name: mkLinkFarmEntry name name;
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custom =
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if cfg.custom != null then cfg.custom
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else if length cfg.customPkgs == 0 then null
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else pkgs.linkFarm "oh-my-zsh-custom" [
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(mkLinkFarmEntry' "themes")
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(mkLinkFarmEntry "completions" "site-functions")
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(mkLinkFarmEntry' "plugins")
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];
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in
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{
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options = {
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programs.zsh.ohMyZsh = {
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enable = mkOption {
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default = false;
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description = ''
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Enable oh-my-zsh.
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'';
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};
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package = mkOption {
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default = pkgs.oh-my-zsh;
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defaultText = "pkgs.oh-my-zsh";
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description = ''
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Package to install for `oh-my-zsh` usage.
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'';
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type = types.package;
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};
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plugins = mkOption {
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default = [];
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type = types.listOf(types.str);
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description = ''
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List of oh-my-zsh plugins
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'';
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};
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custom = mkOption {
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default = null;
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type = with types; nullOr str;
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description = ''
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Path to a custom oh-my-zsh package to override config of oh-my-zsh.
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(Can't be used along with `customPkgs`).
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'';
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};
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customPkgs = mkOption {
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default = [];
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type = types.listOf types.package;
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description = ''
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List of custom packages that should be loaded into `oh-my-zsh`.
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'';
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};
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theme = mkOption {
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default = "";
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type = types.str;
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description = ''
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Name of the theme to be used by oh-my-zsh.
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'';
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};
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cacheDir = mkOption {
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default = "$HOME/.cache/oh-my-zsh";
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type = types.str;
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description = ''
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Cache directory to be used by `oh-my-zsh`.
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Without this option it would default to the read-only nix store.
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'';
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};
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};
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};
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config = mkIf cfg.enable {
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# Prevent zsh from overwriting oh-my-zsh's prompt
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programs.zsh.promptInit = mkDefault "";
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environment.systemPackages = [ cfg.package ];
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programs.zsh.interactiveShellInit = ''
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# oh-my-zsh configuration generated by NixOS
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export ZSH=${cfg.package}/share/oh-my-zsh
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${optionalString (length(cfg.plugins) > 0)
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"plugins=(${concatStringsSep " " cfg.plugins})"
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}
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${optionalString (custom != null)
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"ZSH_CUSTOM=\"${custom}\""
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}
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${optionalString (stringLength(cfg.theme) > 0)
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"ZSH_THEME=\"${cfg.theme}\""
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}
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${optionalString (cfg.cacheDir != null) ''
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if [[ ! -d "${cfg.cacheDir}" ]]; then
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mkdir -p "${cfg.cacheDir}"
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fi
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ZSH_CACHE_DIR=${cfg.cacheDir}
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''}
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source $ZSH/oh-my-zsh.sh
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'';
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assertions = [
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{
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assertion = cfg.custom != null -> cfg.customPkgs == [];
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message = "If `cfg.custom` is set for `ZSH_CUSTOM`, `customPkgs` can't be used!";
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}
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];
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};
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}
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