fix(#1639): ensure tree autocommands match filetype as well as name

doc/nvim-tree-lua.txt

@@ -204,6 +204,7 @@ Subsequent calls to setup will replace the previous configuration.
         },
         float = {
           enable = false,
+          quit_on_focus_loss = true,
           open_win_config = {
             relative = "editor",
             border = "rounded",

lua/nvim-tree.lua

@@ -135,8 +135,7 @@ end
 
 local function find_existing_windows()
   return vim.tbl_filter(function(win)
-    local buf = api.nvim_win_get_buf(win)
-    return api.nvim_buf_get_name(buf):match "NvimTree" ~= nil
+    return utils.is_nvim_tree_buf(api.nvim_win_get_buf(win))
   end, api.nvim_list_wins())
 end
 
@@ -353,7 +352,14 @@ local function setup_autocommands(opts)
     create_nvim_tree_autocmd("TabEnter", { callback = vim.schedule_wrap(M.tab_change) })
   end
   if opts.hijack_cursor then
-    create_nvim_tree_autocmd("CursorMoved", { pattern = "NvimTree_*", callback = M.place_cursor_on_node })
+    create_nvim_tree_autocmd("CursorMoved", {
+      pattern = "NvimTree_*",
+      callback = function()
+        if api.nvim_buf_get_option(0, "filetype") == "NvimTree" then
+          M.place_cursor_on_node()
+        end
+      end,
+    })
   end
   if opts.sync_root_with_cwd then
     create_nvim_tree_autocmd("DirChanged", {
@@ -371,8 +377,16 @@ local function setup_autocommands(opts)
   end
 
   if not opts.actions.open_file.quit_on_open then
-    create_nvim_tree_autocmd("BufWipeout", { pattern = "NvimTree_*", callback = view._prevent_buffer_override })
+    create_nvim_tree_autocmd("BufWipeout", {
+      pattern = "NvimTree_*",
+      callback = function()
+        if api.nvim_buf_get_option(0, "filetype") == "NvimTree" then
+          view._prevent_buffer_override()
+        end
+      end,
+    })
   else
+    -- TODO merge #1637
     create_nvim_tree_autocmd("BufWipeout", { pattern = "NvimTree_*", callback = view.abandon_current_window })
   end
 
@@ -381,17 +395,27 @@ local function setup_autocommands(opts)
   end
 
   if opts.reload_on_bufenter and not has_watchers then
-    create_nvim_tree_autocmd("BufEnter", { pattern = "NvimTree_*", callback = reloaders.reload_explorer })
+    create_nvim_tree_autocmd("BufEnter", {
+      pattern = "NvimTree_*",
+      callback = function()
+        if api.nvim_buf_get_option(0, "filetype") == "NvimTree" then
+          reloaders.reload_explorer()
+        end
+      end,
+    })
   end
 
   if opts.view.centralize_selection then
     create_nvim_tree_autocmd("BufEnter", {
       pattern = "NvimTree_*",
       callback = function()
-        vim.schedule(function()
-          local keys = api.nvim_replace_termcodes("zz", true, false, true)
-          api.nvim_feedkeys(keys, "n", true)
-        end)
+        if api.nvim_buf_get_option(0, "filetype") == "NvimTree" then
+          vim.schedule(function()
+            -- TODO merge #1632
+            local keys = api.nvim_replace_termcodes("zz", true, false, true)
+            api.nvim_feedkeys(keys, "n", true)
+          end)
+        end
       end,
     })
   end
@@ -413,7 +437,14 @@ local function setup_autocommands(opts)
   end
 
   if opts.view.float.enable and opts.view.float.quit_on_focus_loss then
-    create_nvim_tree_autocmd("WinLeave", { pattern = "NvimTree_*", callback = view.close })
+    create_nvim_tree_autocmd("WinLeave", {
+      pattern = "NvimTree_*",
+      callback = function()
+        if api.nvim_buf_get_option(0, "filetype") == "NvimTree" then
+          view.close()
+        end
+      end,
+    })
   end
 end
 

lua/nvim-tree/live-filter.lua

@@ -30,7 +30,11 @@ local function remove_overlay()
     a.nvim_create_autocmd("WinLeave", {
       pattern = "NvimTree_*",
       group = a.nvim_create_augroup("NvimTree", { clear = false }),
-      callback = view.close,
+      callback = function()
+        if a.nvim_buf_get_option(0, "filetype") == "NvimTree" then
+          view.close()
+        end
+      end,
     })
   end
 

lua/nvim-tree/renderer/components/full-name.lua

@@ -67,15 +67,19 @@ M.setup = function(opts)
     group = group,
     pattern = { "NvimTree_*" },
     callback = function()
-      hide(M.popup_win)
+      if api.nvim_buf_get_option(0, "filetype") == "NvimTree" then
+        hide(M.popup_win)
+      end
     end,
   })
 
   api.nvim_create_autocmd({ "CursorMoved" }, {
     group = group,
     pattern = { "NvimTree_*" },
     callback = function()
-      show()
+      if api.nvim_buf_get_option(0, "filetype") == "NvimTree" then
+        show()
+      end
     end,
   })
 end

lua/nvim-tree/utils.lua

@@ -462,4 +462,15 @@ function M.inject_node(f)
   end
 end
 
+---Is the buffer a tree? Like /path/to/NvimTree_2 and not a readable file.
+---@param bufnr number
+---@return boolean
+function M.is_nvim_tree_buf(bufnr)
+  if vim.fn.bufexists(bufnr) then
+    local bufname = a.nvim_buf_get_name(bufnr)
+    return vim.fn.fnamemodify(bufname, ":t"):match "^NvimTree_[0-9]+$" and vim.fn.filereadable(bufname) == 0
+  end
+  return false
+end
+
 return M

lua/nvim-tree/view.lua

@@ -3,6 +3,7 @@ local a = vim.api
 local M = {}
 
 local events = require "nvim-tree.events"
+local utils = require "nvim-tree.utils"
 
 local function get_win_sep_hl()
   -- #1221 WinSeparator not present in nvim 0.6.1 and some builds of 0.7.0
@@ -76,7 +77,7 @@ end
 
 local function wipe_rogue_buffer()
   for _, bufnr in ipairs(a.nvim_list_bufs()) do
-    if not matches_bufnr(bufnr) and a.nvim_buf_get_name(bufnr):match "NvimTree" ~= nil then
+    if not matches_bufnr(bufnr) and utils.is_nvim_tree_buf(bufnr) then
       pcall(a.nvim_buf_delete, bufnr, { force = true })
     end
   end