nvim-tree: hijack netrw

modules/plugins/filetree/nvimtree/config.nix

@@ -24,6 +24,7 @@ in {
         package = "nvim-tree-lua";
         setupModule = "nvim-tree";
         inherit (cfg) setupOpts;
+
         cmd = ["NvimTreeClipboard" "NvimTreeClose" "NvimTreeCollapse" "NvimTreeCollapseKeepBuffers" "NvimTreeFindFile" "NvimTreeFindFileToggle" "NvimTreeFocus" "NvimTreeHiTest" "NvimTreeOpen" "NvimTreeRefresh" "NvimTreeResize" "NvimTreeToggle"];
         keys = [
           (mkLznBinding ["n"] cfg.mappings.toggle ":NvimTreeToggle<cr>" mappings.toggle.description)
@@ -31,9 +32,8 @@ in {
           (mkLznBinding ["n"] cfg.mappings.findFile ":NvimTreeFindFile<cr>" mappings.findFile.description)
           (mkLznBinding ["n"] cfg.mappings.focus ":NvimTreeFocus<cr>" mappings.focus.description)
         ];
-      };
 
-      pluginRC.nvimtreelua = entryAnywhere ''
+        beforeAll = ''
           ${
             optionalString cfg.setupOpts.disable_netrw ''
               -- disable netrew completely
@@ -42,6 +42,24 @@ in {
             ''
           }
 
+          ${optionalString (cfg.setupOpts.hijack_netrw && !cfg.openOnSetup) ''
+            vim.api.nvim_create_autocmd("BufEnter", {
+              group = vim.api.nvim_create_augroup("load_nvim_tree", {}),
+              desc = "Loads nvim-tree when openning a directory",
+              callback = function(args)
+                local stats = vim.uv.fs_stat(args.file)
+
+                if not stats or stats.type ~= "directory" then
+                  return
+                end
+
+                require("lz.n").trigger_load("nvim-tree-lua")
+
+                return true
+              end,
+            })
+          ''}
+
           ${
             optionalString cfg.openOnSetup ''
               ${optionalString config.vim.lazy.enable ''require('lz.n').trigger_load("nvim-tree-lua")''}
@@ -85,4 +103,5 @@ in {
         '';
       };
     };
+  };
 }