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Maintain 'readonly' if it's already set

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If the user is using "vim -R"/":view", then the opened buffer should
have 'readonly' set, even if permissions would otherwise allow editing.

Closes jamessan/vim-gnupg#67

Signed-off-by: James McCoy <jamessan@jamessan.com>
This commit is contained in:
James McCoy
2016-08-25 21:30:16 -04:00
parent 541e333cfb
commit 28e0be4cd2
1 changed files with 5 additions and 2 deletions
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7
plugin/gnupg.vim
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@@ -1,5 +1,5 @@
" Name: gnupg.vim
" Last Change: 2016 Apr 24
" Last Change: 2016 Aug 25
" Maintainer: James McCoy <jamessan@jamessan.com>
" Original Author: Markus Braun <markus.braun@krawel.de>
" Summary: Vim plugin for transparent editing of gpg encrypted files.
@@ -599,7 +599,10 @@ function s:GPGDecrypt(bufread)
1mark [
$mark ]
let &undolevels = levels
let &readonly = filereadable(filename) && filewritable(filename) == 0
" The buffer should be readonly if
" - 'readonly' is already set (e.g., when using view/vim -R)
" - permissions don't allow writing
let &readonly = &readonly || (filereadable(filename) && filewritable(filename) == 0)
" call the autocommand for the file minus .gpg$
silent execute ':doautocmd BufReadPost ' . autocmd_filename
call s:GPGDebug(2, 'called BufReadPost autocommand for ' . autocmd_filename)