68 lines
2.0 KiB
Nix
68 lines
2.0 KiB
Nix
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{config,lib,pkgs,...}:
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with lib;
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let
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cfg = config.themes.base16;
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templates = importJSON ./templates.json;
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schemes = importJSON ./schemes.json;
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# pure bash mustache engine
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mustache = template-attrs: name: src:
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pkgs.stdenv.mkDerivation (
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{
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name="${name}-${template-attrs.scheme-slug}";
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inherit src;
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data = pkgs.writeText "${name}-data" (builtins.toJSON template-attrs);
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phases = [ "buildPhase" ];
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buildPhase ="${pkgs.mustache-go}/bin/mustache $data $src > $out";
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allowSubstitutes = false; # will never be in cache
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});
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# nasty python script for dealing with yaml + different output types
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python = pkgs.python.withPackages (ps: with ps; [ pyyaml ]);
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loadyaml = {src, name ? "yaml"}:
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importJSON (pkgs.stdenv.mkDerivation {
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inherit name src;
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builder = pkgs.writeText "builder.sh" ''
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slug_all=$(${pkgs.coreutils}/bin/basename $src)
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slug=''${slug_all%.*}
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${python}/bin/python ${./base16writer.py} $slug < ${src} > $out
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'';
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allowSubstitutes = false; # will never be in cache
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});
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theme = loadyaml {
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src="${pkgs.fetchgit (schemes."${cfg.scheme}")}/${cfg.variant}.yaml";
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};
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in
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{
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options = {
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themes.base16.enable = mkEnableOption "Base 16 Color Schemes";
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themes.base16.scheme = mkOption {
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type=types.str;
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default="solarized";
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};
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themes.base16.variant = mkOption {
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type=types.str;
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default="solarized-dark";
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};
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themes.base16.extraParams = mkOption {
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type = types.attrsOf types.string; default = {};
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};
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};
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config = {
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lib.base16.theme = theme // cfg.extraParams;
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lib.base16.base16template = repo:
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mustache (theme // cfg.extraParams) repo
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"${pkgs.fetchgit (templates."${repo}")}/templates/default.mustache";
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lib.base16.template = attrs@{name ? "unknown-template", src , ...}:
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mustache (theme // cfg.extraParams // attrs) name src;
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};
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}
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