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Feed files to commands via stdin by first writing the file to a temporary file, and then piping them in via the shell instead

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This commit is contained in:
w0rp
2017-02-11 22:43:13 +00:00
parent 341ea5f367
commit 4a71638061
3 changed files with 17 additions and 53 deletions
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50
autoload/ale/engine.vim
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@@ -284,6 +284,14 @@ function! ale#engine#EscapeCommandPart(command_part) abort
return substitute(a:command_part, '%', '%%', 'g')
endfunction
function! s:TemporaryFilename(buffer) abort
" Create a temporary filename, <temp_dir>/<original_basename>
" The file itself will not be created by this function.
return tempname()
\ . (has('win32') ? '\' : '/')
\ . fnamemodify(bufname(a:buffer), ':t')
endfunction
" Given a command string, replace every...
" %s -> with the current filename
" %t -> with the name of an unused file in a temporary directory
@@ -306,11 +314,7 @@ function! ale#engine#FormatCommand(buffer, command) abort
if l:command =~# '%t'
" Create a temporary filename, <temp_dir>/<original_basename>
" The file itself will not be created by this function.
let l:temporary_file =
\ tempname()
\ . (has('win32') ? '\' : '/')
\ . fnamemodify(bufname(a:buffer), ':t')
let l:temporary_file = s:TemporaryFilename(a:buffer)
let l:command = substitute(l:command, '%t', '\=fnameescape(l:temporary_file)', 'g')
endif
@@ -348,6 +352,14 @@ function! s:RunJob(options) abort
let [l:temporary_file, l:command] = ale#engine#FormatCommand(l:buffer, l:command)
if l:read_buffer && empty(l:temporary_file)
" If we are to send the Vim buffer to a command, we'll do it
" in the shell. We'll write out the file to a temporary file,
" and then read it back in, in the shell.
let l:temporary_file = s:TemporaryFilename(l:buffer)
let l:command = l:command . ' < ' . fnameescape(l:temporary_file)
endif
if s:CreateTemporaryFileForJob(l:buffer, l:temporary_file)
" If a temporary filename has been formatted in to the command, then
" we do not need to send the Vim buffer to the command.
@@ -401,15 +413,6 @@ function! s:RunJob(options) abort
\ ? 'cmd /c ' . l:command
\ : split(&shell) + split(&shellcmdflag) + [l:command]
if l:read_buffer && !g:ale_use_ch_sendraw
" Send the buffer via internal Vim 8 mechanisms, rather than
" by reading and sending it ourselves.
" On Unix machines, we can send the Vim buffer directly.
" This is faster than reading the lines ourselves.
let l:job_options.in_io = 'buffer'
let l:job_options.in_buf = l:buffer
endif
" Vim 8 will read the stdin from the file's buffer.
let l:job = job_start(l:command, l:job_options)
endif
@@ -426,25 +429,6 @@ function! s:RunJob(options) abort
\ 'output': [],
\ 'next_chain_index': l:next_chain_index,
\}
if l:read_buffer
if has('nvim')
" In NeoVim, we have to send the buffer lines ourselves.
let l:input = join(getbufline(l:buffer, 1, '$'), "\n") . "\n"
call jobsend(l:job, l:input)
call jobclose(l:job, 'stdin')
elseif g:ale_use_ch_sendraw
" On some Vim versions, we have to send the buffer data ourselves.
let l:input = join(getbufline(l:buffer, 1, '$'), "\n") . "\n"
let l:channel = job_getchannel(l:job)
if ch_status(l:channel) ==# 'open'
call ch_sendraw(l:channel, l:input)
call ch_close_in(l:channel)
endif
endif
endif
endif
endfunction