From 7feed58ce587a44b62730a49b16812552a4c2865 Mon Sep 17 00:00:00 2001
From: Alexander Ratajczak <a4blue@hotmail.de>
Date: Tue, 28 Oct 2025 17:02:18 +0100
Subject: [PATCH] * added nix build output for doc * added nix develop shell
 for doc

---
 flake.nix | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/flake.nix b/flake.nix
index 84d3ac31..aea16741 100644
--- a/flake.nix
+++ b/flake.nix
@@ -76,6 +76,16 @@
             inherit system;
             overlays = [ (import rust-overlay) ];
           };
+          latexDerivation = (
+            pkgs.texliveBasic.withPackages (
+              ps: with ps; [
+                imakeidx
+                xkeyval
+                upquote
+                collection-fontsrecommended
+              ]
+            )
+          );
         in
         {
           packages =
@@ -102,6 +112,22 @@
             packages
             // {
               default = self'.packages.${cargoToml.package.name};
+              doc = pkgs.stdenv.mkDerivation {
+                pname = "bcachefs-tools-doc";
+                inherit version;
+                src = ./doc;
+                buildInputs = with pkgs; [
+                  latexDerivation
+                ];
+                buildPhase = ''
+                  pdflatex bcachefs-principles-of-operation.tex
+                  pdflatex bcachefs-principles-of-operation.tex
+                '';
+                installPhase = ''
+                  mkdir -p $out/doc
+                  cp bcachefs-principles-of-operation.pdf $out/doc
+                '';
+              };
             };
 
           checks = {
@@ -157,6 +183,12 @@
             ];
           };
 
+          devShells.doc = pkgs.mkShell {
+            packages = with pkgs; [
+              latexDerivation
+            ];
+          };
+
           treefmt.config = {
             projectRootFile = "flake.nix";
             flakeCheck = false;