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don't throw error if bufferline is not installed 

airline#extensions#load() tries to load all extensions,
the user has specified in g:airline_extensions.
However, if e.g. bufferline is requested to be loaded, but
is not installed, it will throw an error
E117: Unknown function: airline#extensions#bufferline#init

Therefore, catch E117 and show a warning.

closes #1127
This commit is contained in:
Christian Brabandt 2016-04-21 09:11:22 +02:00
parent 1e77e6cbcc
commit b8c1b26f0e
2 changed files with 11 additions and 1 deletions
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6
autoload/airline/extensions.vim
View File

@ -123,7 +123,11 @@ function! airline#extensions#load()
if exists('g:airline_extensions') if exists('g:airline_extensions')
for ext in g:airline_extensions for ext in g:airline_extensions
call airline#extensions#{ext}#init(s:ext) try
call airline#extensions#{ext}#init(s:ext)
catch /^Vim\%((\a\+)\)\=:E117/ " E117, function does not exist
call airline#util#warning("Extension '".ext."' not installed, ignoring!")
endtry
endfor endfor
return return
endif endif

6
autoload/airline/util.vim
View File

@ -19,6 +19,12 @@ function! airline#util#append(text, minwidth)
return empty(a:text) ? '' : prefix.g:airline_left_alt_sep.s:spc.a:text return empty(a:text) ? '' : prefix.g:airline_left_alt_sep.s:spc.a:text
endfunction endfunction
function! airline#util#warning(msg)
echohl WarningMsg
echomsg "airline: ".a:msg
echohl Normal
endfunction
function! airline#util#prepend(text, minwidth) function! airline#util#prepend(text, minwidth)
if a:minwidth > 0 && winwidth(0) < a:minwidth if a:minwidth > 0 && winwidth(0) < a:minwidth
return '' return ''