home-manager/modules/programs/bat.nix

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.bat;
package = pkgs.bat;
toConfigFile = generators.toKeyValue {
mkKeyValue = k: v: "--${k}=${lib.escapeShellArg v}";
listsAsDuplicateKeys = true;
};
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in {
meta.maintainers = [ ];
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options.programs.bat = {
enable = mkEnableOption "bat, a cat clone with wings";
config = mkOption {
type = with types; attrsOf (either str (listOf str));
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default = { };
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example = {
theme = "TwoDark";
pager = "less -FR";
map-syntax = [ "*.jenkinsfile:Groovy" "*.props:Java Properties" ];
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};
description = ''
Bat configuration.
'';
};
extraPackages = mkOption {
type = types.listOf types.package;
default = [ ];
example = literalExpression
"with pkgs.bat-extras; [ batdiff batman batgrep batwatch ];";
description = ''
Additional bat packages to install.
'';
};
themes = mkOption {
type = types.attrsOf types.lines;
default = { };
example = literalExpression ''
{
dracula = builtins.readFile (pkgs.fetchFromGitHub {
owner = "dracula";
repo = "sublime"; # Bat uses sublime syntax for its themes
rev = "26c57ec282abcaa76e57e055f38432bd827ac34e";
sha256 = "019hfl4zbn4vm4154hh3bwk6hm7bdxbr1hdww83nabxwjn99ndhv";
} + "/Dracula.tmTheme");
}
'';
description = ''
Additional themes to provide.
'';
};
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};
config = mkIf cfg.enable {
home.packages = [ package ] ++ cfg.extraPackages;
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xdg.configFile = mkMerge ([{
"bat/config" =
mkIf (cfg.config != { }) { text = toConfigFile cfg.config; };
}] ++ flip mapAttrsToList cfg.themes
(name: body: { "bat/themes/${name}.tmTheme" = { text = body; }; }));
home.activation.batCache = hm.dag.entryAfter [ "linkGeneration" ] ''
$VERBOSE_ECHO "Rebuilding bat theme cache"
$DRY_RUN_CMD ${lib.getExe package} cache --build
'';
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};
}