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Move git-tracking check into diff command.

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This avoids shelling out twice per buffer: once to check whether git
knows about the file and once to perform the diff.  Now we simply do
both in one external call.

Profiling showed external calls to git taking ~20ms.  This doesn't seem
too bad but it adds up.
This commit is contained in:
Andy Stewart
2014-01-24 11:47:11 +01:00
parent 13a11f8935
commit f2e08dbeb3
3 changed files with 38 additions and 25 deletions
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8
autoload/utility.vim
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@@ -1,7 +1,7 @@
let s:file = ''
function! utility#is_active()
return g:gitgutter_enabled && utility#exists_file() && utility#is_tracked_by_git()
return g:gitgutter_enabled && utility#exists_file()
endfunction
function! utility#current_file()
@@ -64,12 +64,6 @@ function! utility#command_in_directory_of_file(cmd)
return substitute(utility#cmd_in_dir, "'", '"', 'g')
endfunction
function! utility#is_tracked_by_git()
let cmd = utility#escape('git ls-files --error-unmatch' . utility#discard_stdout_and_stderr() . ' ' . shellescape(utility#file()))
call system(utility#command_in_directory_of_file(cmd))
return !v:shell_error
endfunction
function! utility#differences(hunks)
return len(a:hunks) != 0
endfunction