From 6bb027dbeb3dedb6c65cb27274465105bccdfb18 Mon Sep 17 00:00:00 2001
From: Quentin Aristote <quentin@aristote.fr>
Date: Fri, 3 Dec 2021 11:48:19 +0100
Subject: initial commit

---
 modules/latex.nix | 95 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 modules/latex.nix

(limited to 'modules/latex.nix')

diff --git a/modules/latex.nix b/modules/latex.nix
new file mode 100644
index 0000000..0c06ec7
--- /dev/null
+++ b/modules/latex.nix
@@ -0,0 +1,95 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+let
+  cfg = config.latex;
+  latexmkFlags = concatStringsSep " " ([
+    (if cfg.latexmk.output.dvi.enable then "-dvi" else "-dvi-")
+    (if cfg.latexmk.output.ps.enable then "-ps" else "-ps-")
+    (if cfg.latexmk.output.pdf.enable then
+      ("-pdf" + cfg.latexmk.output.pdf.method)
+    else
+      "-pdf-")
+    (optionalString cfg.minted.enable "-shell-escape")
+  ] ++ (map (filename: ''-r "${filename}"'') cfg.latexmk.rc)
+    ++ cfg.latexmk.extraFlags);
+  latexBuildInput = cfg.texlive.combine ((cfg.packages cfg.texlive)
+    // (optionalAttrs cfg.latexmk.enable { inherit (cfg.texlive) latexmk; })
+    // (optionalAttrs cfg.minted.enable { inherit (cfg.texlive) minted; }));
+in {
+  options.latex = {
+    enable = mkEnableOption { name = "LaTex"; };
+
+    texlive = mkOption {
+      type = types.attrs;
+      default = pkgs.texlive;
+      defaultText = literalExample "pkgs.texlive";
+      description = ''
+        The package providing LaTex.
+        Use this option to set the version of LaTex.
+      '';
+    };
+
+    packages = mkOption {
+      type = with types; functionTo attrs;
+      default = tl: { inherit (tl) scheme-full; };
+      defaultText = literalExample "tl: { inherit (tl) scheme-full; }";
+      description = ''
+        Collection of packages that will be made available to the environment.
+      '';
+      example = literalExample ''
+        tl: {
+          inherit (tl) scheme-full calligra;
+          my-package = { pkgs = [ (pkgs.callPackage ./my-package.nix {}) ]; };
+        }
+      '';
+    };
+
+    latexmk = {
+      enable = mkEnableOption "latexmk";
+      output = {
+        dvi.enable = mkEnableOption "dvi output";
+        pdf = {
+          enable = mkEnableOption "pdf output";
+          method = mkOption {
+            type = types.enum [ "" "dvi" "lua" "ps" "xe" ];
+            default = "lua";
+            description = ''
+              Method by which to generate the pdf.
+            '';
+          };
+        };
+        ps.enable = mkEnableOption "ps output";
+      };
+      rc = mkOption {
+        type = types.listOf types.path;
+        default = [ ];
+        description = ''
+          List of LaTeXmk rc files to load.
+        '';
+        example = literalExample "[ ~/.config/latexmkrc ]";
+      };
+      extraFlags = mkOption {
+        # TODO vulnerable to shell injection
+        type = types.listOf types.str;
+        default = [ ];
+        description = ''
+          Flags to pass to latexmk.
+        '';
+        example = [ "-shell-escape" "-M" ];
+      };
+    };
+
+    minted.enable = mkEnableOption "minted";
+  };
+
+  config = mkIf cfg.enable {
+    buildInputs = [ latexBuildInput ] ++ (optional cfg.latexmk.enable pkgs.ps);
+    aliases.latexmk = mkIf cfg.latexmk.enable
+      "${latexBuildInput}/bin/latexmk ${latexmkFlags} \\$@";
+    python = mkIf cfg.minted.enable {
+      enable = true;
+      packages = ps: with ps; [ pygments ];
+    };
+  };
+}
-- 
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