cleanup for raw txt (grammar check)

thesis/flake.nix

@@ -28,7 +28,10 @@
           zathura
           wmctrl
           python312
+          pandoc
+          pandoc-lua-filters
         ];
+        filtersPath = "${pkgs.pandoc-lua-filters}/share/pandoc/filters";
       in
       {
         devShell = pkgs.mkShell {
@@ -39,6 +42,28 @@
           ];
         };
 
+        shellHook = ''
+          set -eu
+          # local folder in your repo to reference in commands
+          link_target="pandoc-filters"
+          # refresh symlink each time you enter the shell
+          ln -sfn ${filtersPath} "$link_target"
+          echo "Linked $link_target -> ${filtersPath}"
+
+          # (optional) write a defaults file that uses the relative symlink
+          if [ ! -f pandoc.defaults.yaml ]; then
+            cat > pandoc.defaults.yaml <<'YAML'
+            from: latex
+            to: plain
+            wrap: none
+            lua-filter:
+              - pandoc-filters/latex-hyphen.lua
+              - pandoc-filters/pandoc-quotes.lua
+            YAML
+            echo "Wrote pandoc.defaults.yaml"
+          fi
+        '';
+
       }
     );
 }