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nvim/lua/config/autocommands.lua
2026-05-25 23:31:12 +02:00

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__ _ _
/ _|___ ___| |_ __ _ ___| | __
| ||_ /____/ __| __/ _` |/ __| |/ /
| _/ /_____\__ \ || (_| | (__| <
|_|/___| |___/\__\__,_|\___|_|\_\
Neovim 0.12 configuration
(c) Frank Zechert 2026
]]
local create_group = vim.api.nvim_create_augroup
local create_cmd = vim.api.nvim_create_autocmd
local function contains(tbl, value)
for _, v in ipairs(tbl) do
if v == value then
return true
end
end
return false
end
-- briefly highlithg text that is yanked
create_cmd("TextYankPost", {
desc = "Highlight yanked text",
group = create_group("cmd-highlight-yank", { clear = true }),
callback = function()
vim.highlight.on_yank()
end,
})
-- recognize all scripts with bash shebang as bash filetype
create_cmd({"BufRead", "BufNewFile"}, {
desc = "Recognize bash shebang as bash filetype",
group = create_group("cmd-recognize-bash-filetype", { clear = true }),
pattern = "*",
callback = function(args)
local buf = args.buf
local first_line = vim.api.nvim_buf_get_lines(buf, 0, 1, false)[1] or ""
if first_line:match("^#!.*/bash") then
vim.bo[buf].filetype = "bash"
end
end,
})
-- disable list chars in specific filetypes, e.g. netrw
create_cmd({"FileType"}, {
desc = "Disable list chars for some filetypes",
pattern = { "netrw" },
callback = function(args)
vim.opt_local.list = false
end,
})
-- automatically remove trailing whitespace on save file
create_cmd({"BufWritePre"}, {
desc = "Remove trailing whitespace when saving",
group = create_group("cmd-remove-trailing-whitespace", { clear = true }),
pattern = "*",
callback = function(args)
vim.api.nvim_buf_call(args.buf, function()
vim.cmd([[%s/\s\+$//e]])
end)
end,
})
-- automatically set textwidth if not set otherwise
create_cmd({"FileType"}, {
desc = "Automatically set textwidth",
pattern = "*",
callback = function(args)
local buf = args.buf
if vim.bo[buf].textwidth == 0 then
vim.bo[buf].textwidth = vim.g.ui.textwidth[vim.bo[buf].filetype] or vim.g.ui.textwidth.default
end
end,
})