fzf/plugin/fzf.vim
Junegunn Choi 06ab399497 Improve how vim plugin finds fzf executable
This avoids the problem in which :FZF command silently fails when fzf
executable cannot be found in $PATH of the hosting tmux server.
2015-03-07 09:48:56 +09:00

259 lines
6.5 KiB
VimL

" Copyright (c) 2015 Junegunn Choi
"
" MIT License
"
" Permission is hereby granted, free of charge, to any person obtaining
" a copy of this software and associated documentation files (the
" "Software"), to deal in the Software without restriction, including
" without limitation the rights to use, copy, modify, merge, publish,
" distribute, sublicense, and/or sell copies of the Software, and to
" permit persons to whom the Software is furnished to do so, subject to
" the following conditions:
"
" The above copyright notice and this permission notice shall be
" included in all copies or substantial portions of the Software.
"
" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
" EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
" NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
" LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
" OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
" WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
let s:min_tmux_width = 10
let s:min_tmux_height = 3
let s:default_tmux_height = '40%'
let s:launcher = 'xterm -e bash -ic %s'
let s:fzf_go = expand('<sfile>:h:h').'/bin/fzf'
let s:fzf_rb = expand('<sfile>:h:h').'/fzf'
let s:cpo_save = &cpo
set cpo&vim
function! s:fzf_exec()
if !exists('s:exec')
if executable(s:fzf_go)
let s:exec = s:fzf_go
else
let path = split(system('which fzf 2> /dev/null'), '\n')
if !v:shell_error && !empty(path)
let s:exec = path[0]
elseif executable(s:fzf_rb)
let s:exec = s:fzf_rb
else
call system('type fzf')
if v:shell_error
throw 'fzf executable not found'
else
let s:exec = 'fzf'
endif
endif
endif
return s:exec
else
return s:exec
endif
endfunction
function! s:tmux_enabled()
if has('gui_running')
return 0
endif
if exists('s:tmux')
return s:tmux
endif
let s:tmux = 0
if exists('$TMUX')
let output = system('tmux -V')
let s:tmux = !v:shell_error && output >= 'tmux 1.7'
endif
return s:tmux
endfunction
function! s:shellesc(arg)
return '"'.substitute(a:arg, '"', '\\"', 'g').'"'
endfunction
function! s:escape(path)
return substitute(a:path, ' ', '\\ ', 'g')
endfunction
function! fzf#run(...) abort
let dict = exists('a:1') ? a:1 : {}
let temps = { 'result': tempname() }
let optstr = get(dict, 'options', '')
try
let fzf_exec = s:fzf_exec()
catch
throw v:exception
endtry
if has_key(dict, 'source')
let source = dict.source
let type = type(source)
if type == 1
let prefix = source.'|'
elseif type == 3
let temps.input = tempname()
call writefile(source, temps.input)
let prefix = 'cat '.s:shellesc(temps.input).'|'
else
throw 'Invalid source type'
endif
else
let prefix = ''
endif
let command = prefix.fzf_exec.' '.optstr.' > '.temps.result
if s:tmux_enabled() && s:tmux_splittable(dict)
return s:execute_tmux(dict, command, temps)
else
return s:execute(dict, command, temps)
endif
endfunction
function! s:tmux_splittable(dict)
return
\ min([&columns, get(a:dict, 'tmux_width', 0)]) >= s:min_tmux_width ||
\ min([&lines, get(a:dict, 'tmux_height', get(a:dict, 'tmux', 0))]) >= s:min_tmux_height
endfunction
function! s:pushd(dict)
if !empty(get(a:dict, 'dir', ''))
let a:dict.prev_dir = getcwd()
execute 'chdir '.s:escape(a:dict.dir)
endif
endfunction
function! s:popd(dict)
if has_key(a:dict, 'prev_dir')
execute 'chdir '.s:escape(remove(a:dict, 'prev_dir'))
endif
endfunction
function! s:execute(dict, command, temps)
call s:pushd(a:dict)
silent !clear
if has('gui_running')
let launcher = get(a:dict, 'launcher', get(g:, 'fzf_launcher', s:launcher))
let command = printf(launcher, "'".substitute(a:command, "'", "'\"'\"'", 'g')."'")
else
let command = a:command
endif
execute 'silent !'.command
redraw!
if v:shell_error
" Do not print error message on exit status 1
if v:shell_error > 1
echohl ErrorMsg
echo 'Error running ' . command
endif
return []
else
return s:callback(a:dict, a:temps, 0)
endif
endfunction
function! s:env_var(name)
if exists('$'.a:name)
return a:name . "='". substitute(expand('$'.a:name), "'", "'\\\\''", 'g') . "' "
else
return ''
endif
endfunction
function! s:execute_tmux(dict, command, temps)
let command = s:env_var('FZF_DEFAULT_OPTS').s:env_var('FZF_DEFAULT_COMMAND').a:command
if !empty(get(a:dict, 'dir', ''))
let command = 'cd '.s:escape(a:dict.dir).' && '.command
endif
let splitopt = '-v'
if has_key(a:dict, 'tmux_width')
let splitopt = '-h'
let size = a:dict.tmux_width
else
let size = get(a:dict, 'tmux_height', get(a:dict, 'tmux'))
endif
if type(size) == 1 && size =~ '%$'
let sizeopt = '-p '.size[0:-2]
else
let sizeopt = '-l '.size
endif
let s:pane = substitute(
\ system(
\ printf(
\ 'tmux split-window %s %s -P -F "#{pane_id}" %s',
\ splitopt, sizeopt, s:shellesc(command))), '\n', '', 'g')
let s:dict = a:dict
let s:temps = a:temps
augroup fzf_tmux
autocmd!
autocmd VimResized * nested call s:tmux_check()
augroup END
endfunction
function! s:tmux_check()
let panes = split(system('tmux list-panes -a -F "#{pane_id}"'), '\n')
if index(panes, s:pane) < 0
augroup fzf_tmux
autocmd!
augroup END
call s:callback(s:dict, s:temps, 1)
redraw
endif
endfunction
function! s:callback(dict, temps, cd)
if !filereadable(a:temps.result)
let lines = []
else
if a:cd | call s:pushd(a:dict) | endif
let lines = readfile(a:temps.result)
if has_key(a:dict, 'sink')
for line in lines
if type(a:dict.sink) == 2
call a:dict.sink(line)
else
execute a:dict.sink.' '.s:escape(line)
endif
endfor
endif
endif
for tf in values(a:temps)
silent! call delete(tf)
endfor
call s:popd(a:dict)
return lines
endfunction
function! s:cmd(bang, ...) abort
let args = copy(a:000)
let opts = {}
if len(args) > 0 && isdirectory(expand(args[-1]))
let opts.dir = remove(args, -1)
endif
if !a:bang
let opts.tmux = get(g:, 'fzf_tmux_height', s:default_tmux_height)
endif
call fzf#run(extend({ 'sink': 'e', 'options': join(args) }, opts))
endfunction
command! -nargs=* -complete=dir -bang FZF call s:cmd('<bang>' == '!', <f-args>)
let &cpo = s:cpo_save
unlet s:cpo_save