feat: auto redraw when file modified is set

Author: cseickel

README.md

@@ -4,7 +4,7 @@ Neo-tree is a Neovim plugin to browse the file system and other tree like
 structures in whatever style suits you, including sidebars, floating windows,
 netrw split style, or all of them at once!
 
-![Neo-tree file system](https://github.com/nvim-neo-tree/resources/blob/main/images/Neo-tree%20right%20aligned%20git%20status.png)
+![Neo-tree file system](https://github.com/nvim-neo-tree/resources/blob/main/images/Neo-tree-with-right-aligned-symbols.png)
 
 ### Breaking Changes BAD :bomb: :imp:
 

lua/neo-tree/events/init.lua

@@ -24,6 +24,7 @@ local M = {
   VIM_BUFFER_CHANGED = "vim_buffer_changed",
   VIM_BUFFER_DELETED = "vim_buffer_deleted",
   VIM_BUFFER_ENTER = "vim_buffer_enter",
+  VIM_BUFFER_MODIFIED_SET = "vim_buffer_modified_set",
   VIM_DIAGNOSTIC_CHANGED = "vim_diagnostic_changed",
   VIM_DIR_CHANGED = "vim_dir_changed",
   VIM_TAB_CLOSED = "vim_tab_closed",

lua/neo-tree/setup/init.lua

@@ -49,7 +49,8 @@ local define_events = function()
     return args
   end)
 
-  events.define_autocmd_event(events.VIM_BUFFER_CHANGED, { "BufWritePost", "BufFilePost" }, 200)
+  events.define_autocmd_event(events.VIM_BUFFER_CHANGED, { "BufWritePost", "BufFilePost", "BufModifiedSet" }, 200)
+  events.define_autocmd_event(events.VIM_BUFFER_MODIFIED_SET, { "BufModifiedSet" }, 0)
   events.define_autocmd_event(events.VIM_BUFFER_ADDED, { "BufAdd" }, 200)
   events.define_autocmd_event(events.VIM_BUFFER_DELETED, { "BufDelete" }, 200)
   events.define_autocmd_event(events.VIM_BUFFER_ENTER, { "BufEnter", "BufWinEnter" }, 0)

lua/neo-tree/sources/filesystem/init.lua

@@ -331,6 +331,12 @@ M.setup = function(config, global_config)
       handler = M.follow,
     })
   end
+
+  -- Update the "modified" component
+  manager.subscribe(M.name, {
+    event = events.VIM_BUFFER_MODIFIED_SET,
+    handler = wrap(manager.redraw)
+  })
 end
 
 ---Expands or collapses the current node.