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Prevent buffer numbers from rapidly increasing.

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Instead of creating two new temporary files every time a realtime diff is
performed, reuse the same two temporary files (per file extension).
This stops the plugin using hundreds of different temporary files.

Since the plugin now only uses a handful of temporary files we do not
need to wipeout the unlisted buffer created by vim for each index-blob's
temporary file.

In turn this means vim no longer needs hundreds of unlisted buffers, so
the next-available-buffer-number stays at sensible levels.

See #297.
This commit is contained in:
Andy Stewart
2016-01-15 11:04:16 +00:00
parent bbeb34dca6
commit a871d857d0
1 changed files with 5 additions and 3 deletions
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8
autoload/gitgutter/diff.vim
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@@ -11,6 +11,9 @@ let s:hunk_re = '^@@ -\(\d\+\),\?\(\d*\) +\(\d\+\),\?\(\d*\) @@'
let s:fish = &shell =~# 'fish'
let s:temp_index = tempname()
let s:temp_buffer = tempname()
" Returns a diff of the buffer.
"
" The way to get the diff depends on whether the buffer is saved or unsaved.
@@ -61,8 +64,8 @@ function! gitgutter#diff#run_diff(realtime, use_external_grep)
if a:realtime
let blob_name = ':'.gitgutter#utility#shellescape(gitgutter#utility#file_relative_to_repo_root())
let blob_file = tempname()
let buff_file = tempname()
let blob_file = s:temp_index
let buff_file = s:temp_buffer
let extension = gitgutter#utility#extension()
if !empty(extension)
let blob_file .= '.'.extension
@@ -118,7 +121,6 @@ function! gitgutter#diff#run_diff(realtime, use_external_grep)
if a:realtime
call delete(blob_file)
call delete(buff_file)
execute 'keepalt silent! bwipeout' buff_file
endif
if gitgutter#utility#shell_error()