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vim-patch:5c84d12: runtime(filetype): make shell filetype detection more robust (#33421)

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closes: vim/vim#17063

5c84d12df1

Co-authored-by: Aliaksei Budavei <0x000c70@gmail.com>
This commit is contained in:
zeertzjq
2025-04-11 16:45:14 +08:00
committed by GitHub
parent 7c15987444
commit 3aa833e0d9
2 changed files with 18 additions and 10 deletions
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17
runtime/lua/vim/filetype/detect.lua
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@@ -1502,33 +1502,36 @@ local function sh(path, contents, name)
-- Get the name from the first line if not specified
name = name or contents[1]
if matchregex(name, [[\<csh\>]]) then
if name:find('^csh$') or matchregex(name, [[^#!.\{-2,}\<csh\>]]) then
-- Some .sh scripts contain #!/bin/csh.
return M.shell(path, contents, 'csh')
elseif name:find('^tcsh$') or matchregex(name, [[^#!.\{-2,}\<tcsh\>]]) then
-- Some .sh scripts contain #!/bin/tcsh.
elseif matchregex(name, [[\<tcsh\>]]) then
return M.shell(path, contents, 'tcsh')
elseif name:find('^zsh$') or matchregex(name, [[^#!.\{-2,}\<zsh\>]]) then
-- Some .sh scripts contain #!/bin/zsh.
elseif matchregex(name, [[\<zsh\>]]) then
return M.shell(path, contents, 'zsh')
end
local on_detect --- @type fun(b: integer)?
if matchregex(name, [[\<ksh\>]]) then
if name:find('^ksh$') or matchregex(name, [[^#!.\{-2,}\<ksh\>]]) then
on_detect = function(b)
vim.b[b].is_kornshell = 1
vim.b[b].is_bash = nil
vim.b[b].is_sh = nil
end
elseif vim.g.bash_is_sh or matchregex(name, [[\<\(bash\|bash2\)\>]]) then
elseif
vim.g.bash_is_sh
or name:find('^bash2?$')
or matchregex(name, [[^#!.\{-2,}\<bash2\=\>]])
then
on_detect = function(b)
vim.b[b].is_bash = 1
vim.b[b].is_kornshell = nil
vim.b[b].is_sh = nil
end
-- Ubuntu links sh to dash
elseif matchregex(name, [[\<\(sh\|dash\)\>]]) then
elseif findany(name, { '^sh$', '^dash$' }) or matchregex(name, [[^#!.\{-2,}\<\%(da\)\=sh\>]]) then -- Ubuntu links "sh" to "dash"
on_detect = function(b)
vim.b[b].is_sh = 1
vim.b[b].is_kornshell = nil