Add config keys to set custom permission for files and folders

Add config key to set the file creation permissions

Rename file_mode to new_file_mode

Add new_folder_mode to store the default folder creation mode

Remove doc about new_file_mode

Fix how the folder and file mode are added to config

Author: fortizc

doc/oil.txt

@@ -45,6 +45,8 @@ CONFIG                                                                *oil-confi
       },
       -- Send deleted files to the trash instead of permanently deleting them (:help oil-trash)
       delete_to_trash = false,
+      -- Set the default mode to create files (:help oil-file_creation)
+      create_files_mode = 420,
       -- Skip the confirmation popup for simple operations (:help oil.skip_confirm_for_simple_edits)
       skip_confirm_for_simple_edits = false,
       -- Selecting a new/moved/renamed file or directory will prompt you to save changes first
@@ -714,5 +716,6 @@ Mac:
 Windows:
     Oil supports the Windows Recycle Bin. All features should work.
 
+
 ================================================================================
 vim:tw=80:ts=2:ft=help:norl:syntax=help:

lua/oil/adapters/files.lua

@@ -530,7 +530,7 @@ M.perform_action = function(action, cb)
     end
 
     if action.entry_type == "directory" then
-      uv.fs_mkdir(path, 493, function(err)
+      uv.fs_mkdir(path, config.new_folder_mode, function(err)
         -- Ignore if the directory already exists
         if not err or err:match("^EEXIST:") then
           cb()
@@ -550,7 +550,7 @@ M.perform_action = function(action, cb)
       ---@diagnostic disable-next-line: param-type-mismatch
       uv.fs_symlink(target, path, flags, cb)
     else
-      fs.touch(path, cb)
+      fs.touch(path, config.new_file_mode, cb)
     end
   elseif action.type == "delete" then
     local _, path = util.parse_url(action.url)

lua/oil/adapters/trash/mac.lua

@@ -166,7 +166,7 @@ M.perform_action = function(action, cb)
       ---@diagnostic disable-next-line: param-type-mismatch
       uv.fs_symlink(target, path, flags, cb)
     else
-      fs.touch(path, cb)
+      fs.touch(path, config.new_file_mode, cb)
     end
   elseif action.type == "delete" then
     local _, path = util.parse_url(action.url)

lua/oil/config.lua

@@ -105,6 +105,10 @@ local default_config = {
       return nil
     end,
   },
+  -- Set the default mode to create files
+  new_file_mode = 644,
+  -- Set the default mode to create folders
+  new_folder_mode = 755,
   -- Extra arguments to pass to SCP when moving/copying files over SSH
   extra_scp_args = {},
   -- EXPERIMENTAL support for performing file operations with git
@@ -232,6 +236,8 @@ default_config.view_options.highlight_filename = nil
 ---@field keymaps table<string, any>
 ---@field use_default_keymaps boolean
 ---@field view_options oil.ViewOptions
+---@field new_file_mode integer
+---@field new_folder_mode integer
 ---@field extra_scp_args string[]
 ---@field git oil.GitOptions
 ---@field float oil.FloatWindowConfig
@@ -260,6 +266,8 @@ local M = {}
 ---@field keymaps? table<string, any>
 ---@field use_default_keymaps? boolean Set to false to disable all of the above keymaps
 ---@field view_options? oil.SetupViewOptions Configure which files are shown and how they are shown.
+---@field new_file_mode? integer Set the default mode to create files
+---@field new_folder_mode? integer Set the default mode to create folders
 ---@field extra_scp_args? string[] Extra arguments to pass to SCP when moving/copying files over SSH
 ---@field git? oil.SetupGitOptions EXPERIMENTAL support for performing file operations with git
 ---@field float? oil.SetupFloatWindowConfig Configuration for the floating window in oil.open_float
@@ -408,6 +416,9 @@ M.setup = function(opts)
   if opts.preview and not opts.confirmation then
     new_conf.confirmation = vim.tbl_deep_extend("keep", opts.preview, default_config.confirmation)
   end
+
+  new_conf.new_file_mode = tonumber(tostring(new_conf.new_file_mode), 8)
+  new_conf.new_folder_mode = tonumber(tostring(new_conf.new_folder_mode), 8)
   -- Backwards compatibility. We renamed the 'preview' config to 'preview_win'
   if opts.preview and opts.preview.update_on_cursor_moved ~= nil then
     new_conf.preview_win.update_on_cursor_moved = opts.preview.update_on_cursor_moved

lua/oil/fs.lua

@@ -36,9 +36,10 @@ M.abspath = function(path)
 end
 
 ---@param path string
+---@param mode integer mode to open file (octal)
 ---@param cb fun(err: nil|string)
-M.touch = function(path, cb)
-  uv.fs_open(path, "a", 420, function(err, fd) -- 0644
+M.touch = function(path, mode, cb)
+  uv.fs_open(path, "a", mode, function(err, fd)
     if err then
       cb(err)
     else
@@ -146,7 +147,6 @@ end
 ---@param dir string
 ---@param mode? integer
 M.mkdirp = function(dir, mode)
-  mode = mode or 493
   local mod = ""
   local path = dir
   while vim.fn.isdirectory(path) == 0 do