branch: check existence of dirty key before accessing it

closes #1907
2019-04-30 16:33:05 +02:00 · 2019-04-30 16:33:05 +02:00 · d1e82c71a3
commit d1e82c71a3
parent 28ed36a9ec
1 changed files with 3 additions and 1 deletions
--- a/autoload/airline/extensions/branch.vim
+++ b/autoload/airline/extensions/branch.vim
@ -239,7 +239,9 @@ function! airline#extensions#branch#head()
    endif
    let b:airline_head .= s:format_name({s:vcs_config[vcs].display_branch}())
    let additional = b:buffer_vcs_config[vcs].untracked
-    if empty(additional) && b:buffer_vcs_config[vcs].dirty
+    if empty(additional) &&
+          \ has_key(b:buffer_vcs_config[vcs], 'dirty') &&
+          \ b:buffer_vcs_config[vcs].dirty
      let additional = g:airline_symbols['dirty']
    endif
    let b:airline_head .= additional