From 2cb43216d3c2cbc6f40e0d6646abb9f31a1c40f7 Mon Sep 17 00:00:00 2001
From: "quentin@aristote.fr" <quentin@aristote.fr>
Date: Sat, 26 Aug 2023 23:28:27 +0200
Subject: devenv: add more modules

---
 modules/devenv/languages/default.nix |   2 +-
 modules/devenv/languages/latex.nix   | 127 +++++++++++++++++++++++++++++++++++
 2 files changed, 128 insertions(+), 1 deletion(-)
 create mode 100644 modules/devenv/languages/latex.nix

(limited to 'modules/devenv/languages')

diff --git a/modules/devenv/languages/default.nix b/modules/devenv/languages/default.nix
index 2f4fc86..a97402c 100644
--- a/modules/devenv/languages/default.nix
+++ b/modules/devenv/languages/default.nix
@@ -1,3 +1,3 @@
 {
-  imports = [ ./nix.nix ];
+  imports = [./latex.nix ./nix.nix];
 }
diff --git a/modules/devenv/languages/latex.nix b/modules/devenv/languages/latex.nix
new file mode 100644
index 0000000..eece173
--- /dev/null
+++ b/modules/devenv/languages/latex.nix
@@ -0,0 +1,127 @@
+{
+  config,
+  lib,
+  pkgs,
+  devenv,
+  ...
+}: let
+  cfg = config.languages.texlive;
+  pdfModes = {
+    "pdflatex" = "1";
+    "ps2pdf" = "2";
+    "dvi2pdf" = "3";
+    "lulatex" = "4";
+    "xelatex" = "5";
+  };
+  dviModes = {
+    "latex" = "1";
+    "lualatex" = "2";
+  };
+  latexmkrc = with latexmkrc; let
+    pdfMode = with output.pdf;
+      if enable
+      then pdfModes."${mode}"
+      else "0";
+    dviMode = with output.dvi;
+      if enable
+      then dviModes."${mode}"
+      else "0";
+    psMode =
+      if output.ps.enable
+      then "1"
+      else "0";
+  in ''
+    set_tex_cmds('${extraFlags}');
+    $pdf_mode=${pdfMode}
+    $dvi_mode=${dviMode}
+    $ps_mode=${psMode}
+
+    ${extraConfig}
+  '';
+  packages = cfg.packages cfg.base;
+  packagesRequireShellEscape = packages ? minted;
+  texlive = cfg.base.combine packages;
+in {
+  disabledModules = ["${devenv}/src/modules/languages/texlive.nix"];
+
+  options.languages.texlive = {
+    enable = lib.mkEnableOption "TeX Live";
+    base = lib.mkPackageOption pkgs "TeX Live" {
+      default = ["texlive"];
+    };
+    packages = lib.mkOption {
+      type = with lib.types;
+        functionTo (attrsOf (submodule {
+          pkgs = lib.mkOption {
+            type = listOf package;
+          };
+        }));
+      default = tl: {inherit (tl) scheme-medium;};
+      description = "Packages available to TeX Live.";
+    };
+
+    latexmk = {
+      enable = lib.mkEnableOption "latexmk";
+      shellEscape.enable = lib.mkEnableOption "shell escaping";
+      extraFlags = lib.mkOption {
+        type = with lib.types; listOf str;
+        default = [];
+        example = ["--interaction=nonstopmode"];
+      };
+      output = let
+        mkOutputOptions = formats:
+          lib.mapAttrs (format: extra:
+            lib.recursiveUpdate {
+              enable = lib.mkEnableOption "${format} output";
+            }
+            extra)
+          formats;
+      in
+        mkOutputOptions {
+          pdf = {
+            enable.default = true;
+            mode = lib.mkOption {
+              type = lib.types.enum (lib.attrNames pdfModes);
+              default = "lualatex";
+              description = "How to generate the pdf file.";
+            };
+          };
+          dvi = {
+            mode = lib.mkOption {
+              type = lib.types.enum (lib.attrNames dviModes);
+              default = "latex";
+              description = "How to generate the dvi file.";
+            };
+          };
+          ps = {};
+        };
+      extraConfig = lib.mkOption {
+        type = lib.types.lines;
+        default = "";
+        description = "Extra configuration to put inside the RC file.";
+      };
+    };
+  };
+
+  config = lib.mkMerge [
+    {
+      languages.texlive = {
+        latexmk = {
+          shellEscape.enable = lib.mkIf (lib.mkDefault packagesRequireShellEscape true);
+          extraFlags = lib.optional cfg.latexmkrc.shellEscape.enable "-shell-escape";
+        };
+        packages = tl: lib.optionalAttrs cfg.latexmk.enable {inherit (tl) latexmk;};
+      };
+      packages = lib.optional cfg.enable texlive;
+    }
+    (lib.mkIf cfg.latexmk.enable {
+      scripts.latexmk.exec = ''
+        ${texlive}/bin/latexmk -r ${devenv.root}/.latexmkrc
+      '';
+      dotfiles.".latexmkrc" = {
+        gitignore = lib.mkDefault false;
+        text = latexmkrc;
+      };
+    })
+  ];
+}
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