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home-manager/modules/programs/bat.nix
Matt Wittmann fe4180ad3f
bat: handle existing cache in activation script
Run `bat cache --build` in an empty directory to work around failure
when ~/cache exists.
2024-03-10 08:19:10 +01:00

175 lines
5.1 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.bat;
package = pkgs.bat;
toConfigFile = attrs:
let
inherit (builtins) isBool attrNames;
nonBoolFlags = filterAttrs (_: v: !(isBool v)) attrs;
enabledBoolFlags = filterAttrs (_: v: isBool v && v) attrs;
keyValuePairs = generators.toKeyValue {
mkKeyValue = k: v: "--${k}=${lib.escapeShellArg v}";
listsAsDuplicateKeys = true;
} nonBoolFlags;
switches = concatMapStrings (k: ''
--${k}
'') (attrNames enabledBoolFlags);
in keyValuePairs + switches;
in {
meta.maintainers = [ ];
options.programs.bat = {
enable = mkEnableOption "bat, a cat clone with wings";
config = mkOption {
type = with types; attrsOf (oneOf [ str (listOf str) bool ]);
default = { };
example = {
theme = "TwoDark";
pager = "less -FR";
map-syntax = [ "*.jenkinsfile:Groovy" "*.props:Java Properties" ];
};
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.either types.lines (types.submodule {
options = {
src = mkOption {
type = types.path;
description = "Path to the theme folder.";
};
file = mkOption {
type = types.nullOr types.str;
default = null;
description =
"Subpath of the theme file within the source, if needed.";
};
};
}));
default = { };
example = literalExpression ''
{
dracula = {
src = pkgs.fetchFromGitHub {
owner = "dracula";
repo = "sublime"; # Bat uses sublime syntax for its themes
rev = "26c57ec282abcaa76e57e055f38432bd827ac34e";
sha256 = "019hfl4zbn4vm4154hh3bwk6hm7bdxbr1hdww83nabxwjn99ndhv";
};
file = "Dracula.tmTheme";
};
}
'';
description = ''
Additional themes to provide.
'';
};
syntaxes = mkOption {
type = types.attrsOf (types.either types.lines (types.submodule {
options = {
src = mkOption {
type = types.path;
description = "Path to the syntax folder.";
};
file = mkOption {
type = types.nullOr types.str;
default = null;
description =
"Subpath of the syntax file within the source, if needed.";
};
};
}));
default = { };
example = literalExpression ''
{
gleam = {
src = pkgs.fetchFromGitHub {
owner = "molnarmark";
repo = "sublime-gleam";
rev = "2e761cdb1a87539d827987f997a20a35efd68aa9";
hash = "sha256-Zj2DKTcO1t9g18qsNKtpHKElbRSc9nBRE2QBzRn9+qs=";
};
file = "syntax/gleam.sublime-syntax";
};
}
'';
description = ''
Additional syntaxes to provide.
'';
};
};
config = mkIf cfg.enable (mkMerge [
(mkIf (any isString (attrValues cfg.themes)) {
warnings = [''
Using programs.bat.themes as a string option is deprecated and will be
removed in the future. Please change to using it as an attribute set
instead.
''];
})
(mkIf (any isString (attrValues cfg.syntaxes)) {
warnings = [''
Using programs.bat.syntaxes as a string option is deprecated and will be
removed in the future. Please change to using it as an attribute set
instead.
''];
})
{
home.packages = [ package ] ++ cfg.extraPackages;
xdg.configFile = mkMerge ([({
"bat/config" =
mkIf (cfg.config != { }) { text = toConfigFile cfg.config; };
})] ++ (flip mapAttrsToList cfg.themes (name: val: {
"bat/themes/${name}.tmTheme" = if isString val then {
text = val;
} else {
source =
if isNull val.file then "${val.src}" else "${val.src}/${val.file}";
};
})) ++ (flip mapAttrsToList cfg.syntaxes (name: val: {
"bat/syntaxes/${name}.sublime-syntax" = if isString val then {
text = val;
} else {
source =
if isNull val.file then "${val.src}" else "${val.src}/${val.file}";
};
})));
# NOTE: run `bat cache --build` in an empty directory to work
# around failure when ~/cache exists
# https://github.com/sharkdp/bat/issues/1726
home.activation.batCache = hm.dag.entryAfter [ "linkGeneration" ] ''
(
export XDG_CACHE_HOME=${escapeShellArg config.xdg.cacheHome}
verboseEcho "Rebuilding bat theme cache"
cd "${pkgs.emptyDirectory}"
run ${lib.getExe package} cache --build
)
'';
}
]);
}