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Make the virtualenv extension work better

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This fixes #511

It allows the virtualenv plugin to call back and tell the airline plugin
to update the statusline. Therefore, the new function
airline#extensions#virtualenv#update() is provided. However, to properly
fix this issue, the virtualenv plugin needs to call this function.

Second, depending on $VIRTUAL_ENV is not safe, since the virtualenv
plugin might define it itsself when calling :VirtualEnvActivate
Therefore skip this test and just test for existance of he
:VirtualEnvList command.
This commit is contained in:
Christian Brabandt
2016-01-20 20:02:21 +01:00
parent dcfe24bc6d
commit 7ace10651f
2 changed files with 12 additions and 8 deletions
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18
autoload/airline/extensions/virtualenv.vim
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@@ -1,10 +1,6 @@
" MIT License. Copyright (c) 2013-2016 Bailey Ling.
" vim: et ts=2 sts=2 sw=2
if !isdirectory($VIRTUAL_ENV)
finish
endif
let s:spc = g:airline_symbols.space
function! airline#extensions#virtualenv#init(ext)
@@ -12,14 +8,22 @@ function! airline#extensions#virtualenv#init(ext)
endfunction
function! airline#extensions#virtualenv#apply(...)
if &filetype =~ "python"
if &filetype =~# "python"
if get(g:, 'virtualenv_loaded', 0)
let statusline = virtualenv#statusline()
else
let statusline = fnamemodify($VIRTUAL_ENV, ':t')
endif
call airline#extensions#append_to_section('x',
\ s:spc.g:airline_right_alt_sep.s:spc.statusline)
if !empty(statusline)
call airline#extensions#append_to_section('x',
\ s:spc.g:airline_right_alt_sep.s:spc.statusline)
endif
endif
endfunction
function! airline#extensions#virtualenv#update()
if &filetype =~# "python"
call airline#extensions#virtualenv#apply()
call airline#update_statusline()
endif
endfunction