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Merged
junegunn merged 7 commits into from
Dec 15, 2019
Merged

Add MSYS2 support as a vim plugin #1677

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43213de
Add MSYS2 support as a vim plugin
msr1k Aug 31, 2019
c95d52f
Change shellescape default value depending on s:is_win flag
msr1k Aug 31, 2019
502432f
Make TERM environment empty only when gui is running
msr1k Sep 22, 2019
ca770ec
Stop checking &shell in fzf#shellescape function
msr1k Sep 22, 2019
abde451
Take neovim into consideration when to set shellcmdflag
msr1k Sep 26, 2019
637d59f
Add &shellxquote control
msr1k Dec 6, 2019
a1bbd6b
Merge branch 'master' into vim-plugin-msys-support
junegunn Dec 12, 2019
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13 changes: 7 additions & 6 deletions plugin/fzf.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,7 @@ if s:is_win
" Use utf-8 for fzf.vim commands
" Return array of shell commands for cmd.exe
function! s:wrap_cmds(cmds)
return map(['@echo off', 'for /f "tokens=4" %%a in (''chcp'') do set origchcp=%%a', 'chcp 65001 > nul'] +
return map(['@echo off', 'set TERM= > nul', 'for /f "tokens=4" %%a in (''chcp'') do set origchcp=%%a', 'chcp 65001 > nul'] +
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\ (type(a:cmds) == type([]) ? a:cmds : [a:cmds]) +
\ ['chcp %origchcp% > nul'], 'v:val."\r"')
endfunction
Expand All @@ -75,7 +75,7 @@ function! s:shellesc_cmd(arg)
endfunction

function! fzf#shellescape(arg, ...)
let shell = get(a:000, 0, &shell)
let shell = get(a:000, 0, s:is_win ? 'cmd.exe' : &shell)

@janlazo janlazo Sep 3, 2019

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Is this for fzf#wrap only? fzf#run calls s:use_sh to set the shell.

@msr1k msr1k Sep 3, 2019

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It is for external program such as junegunn/fzf.vim's vim script which seemingly calls this function before fzf#run execution.

@janlazo janlazo Sep 21, 2019 •
edited
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If you're doing this, go all the way and don't check &shell in this function. Change all invocations of fzf#shellescape within the context of fzf#run to pass &shell. Then, change this line to

let shell = get(a:000, 0, s:is_win ? 'cmd.exe' : 'sh')

@msr1k msr1k Sep 23, 2019

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I'm sorry but I can't get what exactly means to add &shell for all invocations of fzf#shellescape.
Could you tell me what aim is laid here, or what problems exist if I don't do that.

In my opinion, since s:use_sh have already replaces &shell to sh or cmd.exe,
there are not so much differences regardless of whether I do that or not.

@janlazo janlazo Sep 23, 2019

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Idea is to not set the shell in s:use_sh on Windows in the future, similar to what vim-plug does, because there are many shell option combinations to consider depending on the OS and editor. vim-plug passes &shell to fzf#shellescape when it needs to run a shell command with the user's &shell.

Perhaps, it's too much to do it all in this PR. fzf supported cmd.exe on Windows so doing it halfway (ie. hardcode the default fallback shell to cmd.exe for fzf#shellescape) is fine for now.

@msr1k msr1k Sep 26, 2019

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I partially introduced your suggestion at ca770ec for now.

if shell =~# 'cmd.exe$'
return s:shellesc_cmd(a:arg)
endif
Expand Down Expand Up @@ -334,19 +334,20 @@ function! fzf#wrap(...)
endfunction

function! s:use_sh()
let [shell, shellslash] = [&shell, &shellslash]
let [shell, shellslash, shellcmdflag] = [&shell, &shellslash, &shellcmdflag]
if s:is_win
set shell=cmd.exe
set shellcmdflag=/c

@janlazo janlazo Sep 21, 2019

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Setting shell options have too many edge cases on Windows because there are 3 incompatible shells to work with and fzf's Vim plugin supports neovim. Like vim-plug, don't set any shell options on Windows.

@janlazo janlazo Sep 23, 2019 •
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Not setting shell options here will take a lot of work so consider Neovim's default shell options here and call it a day.

let &shellcmdflag = has('nvim') ? '/s /c' : '/c'

@msr1k msr1k Sep 26, 2019

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Thank you for your advice.
I applied it at abde451.

set noshellslash
else
set shell=sh
endif
return [shell, shellslash]
return [shell, shellslash, shellcmdflag]
endfunction

function! fzf#run(...) abort
try
let [shell, shellslash] = s:use_sh()
let [shell, shellslash, shellcmdflag] = s:use_sh()

let dict = exists('a:1') ? s:upgrade(a:1) : {}
let temps = { 'result': s:fzf_tempname() }
Expand Down Expand Up @@ -416,7 +417,7 @@ try
call s:callback(dict, lines)
return lines
finally
let [&shell, &shellslash] = [shell, shellslash]
let [&shell, &shellslash, &shellcmdflag] = [shell, shellslash, shellcmdflag]
endtry
endfunction

Expand Down