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misc/vim: restore fileencodings.

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Currently, ftdetect/gofiletype.vim set fileencodings to open the file as
utf-8 encoding event if the file does not contain multibyte characters.
But fileencodings is global option.

$ vim foo.txt
:set fileencodings
utf-8,ucs-bom,cp932

$ vim foo.go
:set fileencodings
utf-8

This change restore fileencodings before opening the file.
Also added specify fileformats=unix.

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/5718045
This commit is contained in:
Yasuhiro Matsumoto 2012-03-14 18:43:01 +11:00 committed by David Symonds
parent b3ca3e9564
commit 2fc5dd66df
1 changed files with 23 additions and 1 deletions
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24
misc/vim/ftdetect/gofiletype.vim
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@ -1 +1,23 @@
au BufRead,BufNewFile *.go set filetype=go fileencoding=utf-8 fileencodings=utf-8 " We take care to preserve the user's fileencodings and fileformats,
" because those settings are global (not buffer local), yet we want
" to override them for loading Go files, which are defined to be UTF-8.
let s:current_fileformats = ''
let s:current_fileencodings = ''
" define fileencodings to open as utf-8 encoding even if it's ascii.
function! s:gofiletype_pre()
let s:current_fileformats = &g:fileformats
let s:current_fileencodings = &g:fileencodings
set fileencodings=utf-8 fileformats=unix
setlocal filetype=go
endfunction
" restore fileencodings as others
function! s:gofiletype_post()
let &g:fileformats = s:current_fileformats
let &g:fileencodings = s:current_fileencodings
endfunction
au BufNewFile *.go setlocal filetype=go fileencoding=utf-8 fileformat=unix
au BufRead *.go call s:gofiletype_pre()
au BufReadPost *.go call s:gofiletype_post()