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if vim.g.did_load_filetypes and vim.g.did_load_filetypes ~= 0 then
return
end
-- For now, make this opt-in with a global variable
if vim.g.do_filetype_lua ~= 1 then
return
end
vim.api.nvim_create_augroup('filetypedetect', { clear = false })
vim.api.nvim_create_autocmd({ 'BufRead', 'BufNewFile' }, {
group = 'filetypedetect',
callback = function(args)
local ft, on_detect = vim.filetype.match({ filename = args.match, buf = args.buf })
if not ft then
-- Generic configuration file used as fallback
ft = require('vim.filetype.detect').conf(args.file, args.buf)
if ft then
vim.api.nvim_cmd({ cmd = 'setf', args = { 'FALLBACK', ft } }, {})
end
else
vim.api.nvim_buf_set_option(args.buf, 'filetype', ft)
if on_detect then
on_detect(args.buf)
end
end
end,
})
-- These *must* be sourced after the autocommand above is created
if not vim.g.did_load_ftdetect then
vim.cmd([[
augroup filetypedetect
runtime! ftdetect/*.vim
runtime! ftdetect/*.lua
augroup END
]])
end
-- Set a marker so that the ftdetect scripts are not sourced a second time by filetype.vim
vim.g.did_load_ftdetect = 1
-- If filetype.vim is disabled, set up the autocmd to use scripts.vim
if vim.g.did_load_filetypes then
vim.api.nvim_create_autocmd({ 'BufRead', 'BufNewFile' }, {
group = 'filetypedetect',
command = "if !did_filetype() && expand('<amatch>') !~ g:ft_ignore_pat | runtime! scripts.vim | endif",
})
vim.api.nvim_create_autocmd('StdinReadPost', {
group = 'filetypedetect',
command = 'if !did_filetype() | runtime! scripts.vim | endif',
})
end
if not vim.g.ft_ignore_pat then
vim.g.ft_ignore_pat = '\\.\\(Z\\|gz\\|bz2\\|zip\\|tgz\\)$'
end
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