nixpkgs/nixos/modules/programs/zsh/zsh-syntax-highlighting.nix

100 lines
2.9 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.zsh.syntaxHighlighting;
in
{
options = {
programs.zsh.syntaxHighlighting = {
enable = mkEnableOption "zsh-syntax-highlighting";
highlighters = mkOption {
default = [ "main" ];
# https://github.com/zsh-users/zsh-syntax-highlighting/blob/master/docs/highlighters.md
type = types.listOf(types.enum([
"main"
"brackets"
"pattern"
"cursor"
"root"
"line"
]));
description = ''
Specifies the highlighters to be used by zsh-syntax-highlighting.
The following defined options can be found here:
https://github.com/zsh-users/zsh-syntax-highlighting/blob/master/docs/highlighters.md
'';
};
patterns = mkOption {
default = {};
type = types.attrsOf types.string;
example = literalExample ''
{
"rm -rf *" = "fg=white,bold,bg=red";
}
'';
description = ''
Specifies custom patterns to be highlighted by zsh-syntax-highlighting.
Please refer to the docs for more information about the usage:
https://github.com/zsh-users/zsh-syntax-highlighting/blob/master/docs/highlighters/pattern.md
'';
};
styles = mkOption {
default = {};
type = types.attrsOf types.string;
example = literalExample ''
{
"alias" = "fg=magenta,bold";
}
'';
description = ''
Specifies custom styles to be highlighted by zsh-syntax-highlighting.
Please refer to the docs for more information about the usage:
https://github.com/zsh-users/zsh-syntax-highlighting/blob/master/docs/highlighters/main.md
'';
};
};
};
config = mkIf cfg.enable {
environment.systemPackages = with pkgs; [ zsh-syntax-highlighting ];
assertions = [
{
assertion = length(attrNames cfg.patterns) > 0 -> elem "pattern" cfg.highlighters;
message = ''
When highlighting patterns, "pattern" needs to be included in the list of highlighters.
'';
}
];
programs.zsh.interactiveShellInit = with pkgs;
lib.concatStringsSep "\n" ([
"source ${zsh-syntax-highlighting}/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh"
] ++ optional (length(cfg.highlighters) > 0)
"ZSH_HIGHLIGHT_HIGHLIGHTERS=(${concatStringsSep " " cfg.highlighters})"
++ optionals (length(attrNames cfg.patterns) > 0)
(mapAttrsToList (
pattern: design:
"ZSH_HIGHLIGHT_PATTERNS+=('${pattern}' '${design}')"
) cfg.patterns)
++ optionals (length(attrNames cfg.styles) > 0)
(mapAttrsToList (
styles: design:
"ZSH_HIGHLIGHT_STYLES[${styles}]='${design}'"
) cfg.styles)
);
};
}