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[vim] Handle writefile() failure gracefully

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Fix #2676
This commit is contained in:
Junegunn Choi 2021-12-07 17:33:26 +09:00
parent ce9af687bc
commit 13c8f3d3aa
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GPG Key ID: 254BC280FEF9C627
1 changed files with 11 additions and 5 deletions
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16
plugin/fzf.vim
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@ -444,6 +444,12 @@ function! s:use_sh()
return [shell, shellslash, shellcmdflag, shellxquote]
endfunction
function! s:writefile(...)
if call('writefile', a:000) == -1
throw 'Failed to write temporary file. Check if you can write to the path tempname() returns.'
endif
endfunction
function! fzf#run(...) abort
try
let [shell, shellslash, shellcmdflag, shellxquote] = s:use_sh()
@ -471,7 +477,7 @@ try
let source_command = source
elseif type == 3
let temps.input = s:fzf_tempname()
call writefile(source, temps.input)
call s:writefile(source, temps.input)
let source_command = (s:is_win ? 'type ' : 'cat ').fzf#shellescape(temps.input)
else
throw 'Invalid source type'
@ -515,7 +521,7 @@ try
call s:callback(dict, lines)
return lines
finally
if len(source_command)
if exists('source_command') && len(source_command)
if len(prev_default_command)
let $FZF_DEFAULT_COMMAND = prev_default_command
else
@ -660,7 +666,7 @@ function! s:execute(dict, command, use_height, temps) abort
endif
if s:is_win
let batchfile = s:fzf_tempname().'.bat'
call writefile(s:wrap_cmds(command), batchfile)
call s:writefile(s:wrap_cmds(command), batchfile)
let command = batchfile
let a:temps.batchfile = batchfile
if has('nvim')
@ -678,7 +684,7 @@ function! s:execute(dict, command, use_height, temps) abort
endif
elseif has('win32unix') && $TERM !=# 'cygwin'
let shellscript = s:fzf_tempname()
call writefile([command], shellscript)
call s:writefile([command], shellscript)
let command = 'cmd.exe /C '.fzf#shellescape('set "TERM=" & start /WAIT sh -c '.shellscript)
let a:temps.shellscript = shellscript
endif
@ -877,7 +883,7 @@ function! s:execute_term(dict, command, temps) abort
call s:pushd(a:dict)
if s:is_win
let fzf.temps.batchfile = s:fzf_tempname().'.bat'
call writefile(s:wrap_cmds(a:command), fzf.temps.batchfile)
call s:writefile(s:wrap_cmds(a:command), fzf.temps.batchfile)
let command = fzf.temps.batchfile
else
let command = a:command