util: micro-optimization of existence check for fugitive

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Christian Brabandt 2019-08-20 22:23:19 +02:00
parent 51e74f1d1f
commit 0370a3b89b
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1 changed files with 4 additions and 1 deletions

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@ -129,7 +129,10 @@ function! airline#util#ignore_buf(name)
endfunction
function! airline#util#has_fugitive()
return exists('*fugitive#head') || exists('*FugitiveHead')
if !exists("s:has_fugitive")
let s:has_fugitive = exists('*fugitive#head') || exists('*FugitiveHead')
endif
return s:has_fugitive
endfunction
function! airline#util#has_lawrencium()