[Programs/LibreOffice] Init LibreOffice package configuration

programs/default.nix

@@ -6,5 +6,6 @@
     ./git.nix
     ./nano.nix
     ./nvtop.nix
+    ./libreoffice.nix
   ];
 }

programs/libreoffice.nix

@@ -0,0 +1,68 @@
+{ config, pkgs, lib, myLib, ... }:
+with lib;
+let
+  cfg = config.aviallon.programs.libreoffice;
+  toStringOrFunc = x:
+    if isFunction x
+    then "<function>"
+    else (builtins.toJSON x)
+  ;
+  applyOverrides = overrides: pkg:
+    foldl'
+      (prev: override:
+        let
+          r = (trace "override: ${toStringOrFunc override}" override) (trace "prev: ${toString prev}" prev);
+        in trace "result: ${toString r}" r
+      )
+    pkg
+    overrides
+  ;
+in {
+  options.aviallon.programs.libreoffice = {
+    enable = mkEnableOption "LibreOffice";
+    variant = mkOption {
+      type = with types; types.enum [ "still" "fresh" ];
+      default = "fresh";
+      description = "Which LibreOffice variant to use";
+    };
+    qt = mkEnableOption "Qt support";
+    gnome = mkOption {
+      description = "Wether to enable Gnome support";
+      default = true;
+      type = types.bool;
+      internal = true;
+    };
+    opencl = mkEnableOption "OpenCL support";
+    package = mkOption {
+      description = "Which final LibreOffice package to use";
+      type = myLib.types.package';
+    };
+    package' = mkOption {
+      internal = true;
+      description = "Which base (unwrapped) LibreOffice package to use";
+      default = if cfg.qt then pkgs.libreoffice-qt.libreoffice else pkgs.libreoffice-unwrapped;
+      type = myLib.types.package';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    aviallon.programs.libreoffice.package =
+      let
+        overridesList = []
+          ++ [(pkg: pkg.override {
+              variant = cfg.variant;
+            })]
+          ++ optional cfg.opencl (pkg: pkg.overrideAttrs (old: {
+              buildInputs = old.buildInputs ++ [ pkgs.ocl-icd ];
+            }))
+        ;
+      in pkgs.libreoffice.override {
+          libreoffice = applyOverrides overridesList cfg.package';
+        };
+        
+
+    environment.systemPackages = [
+      cfg.package
+    ];
+  };
+}