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local fn = vim.fn
local api = vim.api
local utils = require("utils")
-- Display a message when the current file is not in utf-8 format.
-- Note that we need to use `unsilent` command here because of this issue:
-- https://github.com/vim/vim/issues/4379
api.nvim_create_autocmd({ "BufRead" }, {
pattern = "*",
group = api.nvim_create_augroup("non_utf8_file", { clear = true }),
callback = function()
if vim.bo.fileencoding ~= "utf-8" then
vim.notify("File not in UTF-8 format!", vim.log.levels.WARN, { title = "nvim-config" })
end
end,
})
-- highlight yanked region, see `:h lua-highlight`
api.nvim_create_autocmd({ "TextYankPost" }, {
pattern = "*",
group = api.nvim_create_augroup("highlight_yank", { clear = true }),
callback = function()
vim.highlight.on_yank { higroup = "YankColor", timeout = 300 }
end,
})
-- Auto-generate packer_compiled.lua file
api.nvim_create_autocmd({ "BufWritePost" }, {
pattern = "*/nvim/lua/plugins.lua",
group = api.nvim_create_augroup("packer_auto_compile", { clear = true }),
callback = function(ctx)
local cmd = "source " .. ctx.file
vim.cmd(cmd)
vim.cmd("PackerCompile")
end,
})
-- Auto-create dir when saving a file, in case some intermediate directory does not exist
api.nvim_create_autocmd({ "BufWritePre" }, {
pattern = "*",
group = api.nvim_create_augroup("auto_create_dir", { clear = true }),
callback = function(ctx)
local dir = fn.fnamemodify(ctx.file, ":p:h")
utils.may_create_dir(dir)
end,
})
-- Automatically reload the file if it is changed outside of Nvim, see https://unix.stackexchange.com/a/383044/221410.
-- It seems that `checktime` does not work in command line. We need to check if we are in command
-- line before executing this command, see also https://vi.stackexchange.com/a/20397/15292 .
api.nvim_create_augroup("auto_read", { clear = true })
api.nvim_create_autocmd({ "FileChangedShellPost" }, {
pattern = "*",
group = "auto_read",
callback = function()
vim.notify("File changed on disk. Buffer reloaded!", vim.log.levels.WARN, { title = "nvim-config" })
end,
})
api.nvim_create_autocmd({ "FocusGained", "CursorHold" }, {
pattern = "*",
group = "auto_read",
callback = function()
if fn.getcmdwintype() == "" then
vim.cmd("checktime")
end
end,
})
-- Resize all windows when we resize the terminal
api.nvim_create_autocmd("VimResized", {
group = api.nvim_create_augroup("win_autoresize", { clear = true }),
desc = "autoresize windows on resizing operation",
command = "wincmd =",
})
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