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Fix: File deleted outside of Neovim doesn't change the buffer name to []:file removed. Now changes instantly after deletion.

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This commit is contained in:
psychhim
2025-10-14 03:44:16 +05:30
parent 323949d48a
commit 8ff9e3fa9e
1 changed files with 43 additions and 17 deletions
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60
lua/buffer_deleted.lua
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@@ -10,35 +10,48 @@ local function should_skip(buf)
if not vim.api.nvim_buf_is_valid(buf) then if not vim.api.nvim_buf_is_valid(buf) then
return true return true
end end
local ft = vim.api.nvim_buf_get_option(buf, 'filetype')
local bufname = vim.api.nvim_buf_get_name(buf) local bufname = vim.api.nvim_buf_get_name(buf)
if bufname == '' then local ft = vim.api.nvim_buf_get_option(buf, 'filetype')
local listed = vim.api.nvim_buf_get_option(buf, 'buflisted')
local modifiable = vim.api.nvim_buf_get_option(buf, 'modifiable')
-- Skip empty, unlisted, or unmodifiable buffers (usually floating windows)
if bufname == '' or not listed or not modifiable then
return true return true
end end
-- Skip known plugin filetypes
for _, v in ipairs(skip_buffers) do for _, v in ipairs(skip_buffers) do
if ft == v or bufname:match(v) then if ft == v or bufname:match(v) then
return true return true
end end
end end
return false return false
end end
-- Detect deleted files and rename their buffers -- Detect deleted files and rename their buffers
vim.api.nvim_create_autocmd({ 'BufEnter', 'BufWritePost' }, { local function rename_deleted_buffers()
callback = function() for _, buf in ipairs(vim.api.nvim_list_bufs()) do
local current_buf = vim.api.nvim_get_current_buf() if vim.api.nvim_buf_is_valid(buf) and not should_skip(buf) then
if should_skip(current_buf) then local bufname = vim.api.nvim_buf_get_name(buf)
return if bufname ~= '' and vim.fn.filereadable(bufname) == 0 then
end local filename = vim.fn.fnamemodify(bufname, ':t')
local bufname = vim.api.nvim_buf_get_name(current_buf) local new_name = string.format('[%s]: file removed', filename)
-- If this file no longer exists, mark all buffers showing it
if vim.fn.filereadable(bufname) == 0 then -- Skip if already renamed
local filename = vim.fn.fnamemodify(bufname, ':t') if not vim.api.nvim_buf_get_name(buf):match 'file removed' then
local new_name = string.format('[%s]: file removed', filename) -- Ensure no other buffer already has this name
for _, buf in ipairs(vim.api.nvim_list_bufs()) do local exists = false
if vim.api.nvim_buf_is_valid(buf) then for _, b in ipairs(vim.api.nvim_list_bufs()) do
local name = vim.api.nvim_buf_get_name(buf) if vim.api.nvim_buf_is_valid(b) and vim.api.nvim_buf_get_name(b) == new_name then
if name == bufname and not name:match 'file removed' then exists = true
break
end
end
if not exists then
-- Temporarily unlist so renaming works cleanly -- Temporarily unlist so renaming works cleanly
vim.api.nvim_buf_set_option(buf, 'buflisted', false) vim.api.nvim_buf_set_option(buf, 'buflisted', false)
vim.api.nvim_buf_set_name(buf, new_name) vim.api.nvim_buf_set_name(buf, new_name)
@@ -47,6 +60,19 @@ vim.api.nvim_create_autocmd({ 'BufEnter', 'BufWritePost' }, {
end end
end end
end end
end
end
-- Trigger both on focus and buffer entry
vim.api.nvim_create_autocmd({ 'FocusGained', 'BufEnter' }, {
callback = function()
local buf = vim.api.nvim_get_current_buf()
if should_skip(buf) then
return
end
-- Force Neovim to check external changes
vim.cmd 'checktime'
rename_deleted_buffers()
end, end,
}) })