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https://github.com/neovim/neovim.git
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927d4d2a15
Problem: filetype detection does not run on piped input Solution: add `StdinReadPost` to main filetype.lua autocommand Rationale: legacy filetype detection checked contents by sourcing `scripts.vim` in separate autocommands, including on `StdinReadPost`. For Lua filetype detection, this was moved into the main autocommand, with bundled `scripts.vim` gated behind `g:do_legacy_filetype` (i.e., only user `scripts.vim` are sourced for compatibility by default). Adding `StdinReadPost` to the main autocommand again runs content checks on piped input without requiring code duplication and low-payoff refactoring.
52 lines
1.5 KiB
Lua
52 lines
1.5 KiB
Lua
-- Skip if legacy filetype is enabled or filetype detection is disabled
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if vim.g.do_legacy_filetype or vim.g.did_load_filetypes then
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return
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end
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vim.g.did_load_filetypes = 1
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vim.api.nvim_create_augroup('filetypedetect', { clear = false })
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vim.api.nvim_create_autocmd({ 'BufRead', 'BufNewFile', 'StdinReadPost' }, {
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group = 'filetypedetect',
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callback = function(args)
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local ft, on_detect = vim.filetype.match({ filename = args.match, buf = args.buf })
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if not ft then
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-- Generic configuration file used as fallback
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ft = require('vim.filetype.detect').conf(args.file, args.buf)
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if ft then
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vim.api.nvim_cmd({ cmd = 'setf', args = { 'FALLBACK', ft } }, {})
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end
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else
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vim.api.nvim_buf_set_option(args.buf, 'filetype', ft)
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if on_detect then
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on_detect(args.buf)
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end
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end
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end,
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})
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-- These *must* be sourced after the autocommand above is created
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if not vim.g.did_load_ftdetect then
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vim.cmd([[
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augroup filetypedetect
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runtime! ftdetect/*.vim
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runtime! ftdetect/*.lua
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augroup END
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]])
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end
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-- Set up the autocmd for user scripts.vim
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vim.api.nvim_create_autocmd({ 'BufRead', 'BufNewFile' }, {
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group = 'filetypedetect',
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command = "if !did_filetype() && expand('<amatch>') !~ g:ft_ignore_pat | runtime! scripts.vim | endif",
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})
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vim.api.nvim_create_autocmd('StdinReadPost', {
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group = 'filetypedetect',
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command = 'if !did_filetype() | runtime! scripts.vim | endif',
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})
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if not vim.g.ft_ignore_pat then
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vim.g.ft_ignore_pat = '\\.\\(Z\\|gz\\|bz2\\|zip\\|tgz\\)$'
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end
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