feat/fix: add rename cmd, fix rename error

- add <C-r> binding to omit the filename on rename (option is
  full_rename).
- call `silent! write!` on rename to avoid the `overwrite existing file`
  error when saving the buffer.

README.md

@@ -60,6 +60,7 @@ let g:nvim_tree_bindings = {
     \ 'create':          'a',
     \ 'remove':          'd',
     \ 'rename':          'r',
+    \ 'full_rename':     '<C-r>',
     \ 'cut':             'x',
     \ 'copy':            'c',
     \ 'paste':           'p',
@@ -114,6 +115,7 @@ highlight NvimTreeFolderIcon guibg=blue
 - type `a` to add a file. Adding a directory requires leaving a leading `/` at the end of the path.
   > you can add multiple directories by doing foo/bar/baz/f and it will add foo bar and baz directories and f as a file
 - type `r` to rename a file
+- type `<C-r>` to rename a file and omit the filename on input
 - type `x` to add/remove file/directory to cut clipboard
 - type `c` to add/remove file/directory to copy clipboard
 - type `p` to paste from clipboard. Cut clipboard has precedence over copy (will prompt for confirmation)

doc/nvim-tree-lua.txt

@@ -211,6 +211,7 @@ INFORMATIONS				        *nvim-tree-info*
 
 - type 'a' to add a file
 - type 'r' to rename a file
+- type `<C-r>` to rename a file and omit the filename on input
 - type 'x' to add/remove file/directory to cut clipboard
 - type 'c' to add/remove file/directory to copy clipboard
 - type 'p' to paste from clipboard. Cut clipboard has precedence over copy

lua/lib/config.lua

@@ -67,6 +67,7 @@ function M.get_bindings()
     create          = keybindings.create or 'a',
     remove          = keybindings.remove or 'd',
     rename          = keybindings.rename or 'r',
+    full_rename     = keybindings.full_rename or '<C-r>',
     cut             = keybindings.cut or 'x',
     copy            = keybindings.copy or 'c',
     paste           = keybindings.paste or 'p',

lua/lib/fs.lua

@@ -239,11 +239,12 @@ function M.remove(node)
   end
 end
 
-function M.rename(node)
+function M.rename(with_sub)
+  return function(node)
     if node.name == '..' then return end
 
     local namelen = node.name:len()
-  local abs_path = node.absolute_path:sub(0, namelen * (-1) -1)
+    local abs_path = with_sub and node.absolute_path:sub(0, namelen * (-1) -1) or node.absolute_path
     local new_name = vim.fn.input("Rename " ..node.name.. " to ", abs_path)
     clear_prompt()
     if not new_name or #new_name == 0 then return end
@@ -257,11 +258,14 @@ function M.rename(node)
       if api.nvim_buf_is_loaded(buf) then
         if api.nvim_buf_get_name(buf) == node.absolute_path then
           api.nvim_buf_set_name(buf, new_name)
+          -- to avoid the 'overwrite existing file' error message on write
+          vim.api.nvim_buf_call(buf, function() vim.cmd("silent! w!") end)
         end
       end
     end
     refresh_tree()
   end
+end
 
 function M.copy(node)
   add_to_clipboard(node, clipboard.copy)

lua/lib/lib.lua

@@ -272,6 +272,7 @@ local function set_mappings()
     [bindings.create] = 'on_keypress("create")';
     [bindings.remove] = 'on_keypress("remove")';
     [bindings.rename] = 'on_keypress("rename")';
+    [bindings.full_rename] = 'on_keypress("full_rename")';
     [bindings.preview] = 'on_keypress("preview")';
     [bindings.cut] = 'on_keypress("cut")';
     [bindings.copy] = 'on_keypress("copy")';

lua/nvim-tree.lua

@@ -65,7 +65,8 @@ end
 local keypress_funcs = {
   create = fs.create,
   remove = fs.remove,
-  rename = fs.rename,
+  rename = fs.rename(false),
+  full_rename = fs.rename(true),
   copy = fs.copy,
   cut = fs.cut,
   paste = fs.paste,