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|
"
" redact_pass.vim: Switch off the 'viminfo', 'backup', 'swapfile', and
" 'undofile' when editing passwords in the pass(1) password manager, or a
" comparable tool if g:redact_pass_pattern is set beforehand.
"
" This is to prevent anyone being able to extract passwords from your Vim
" cache files in the event of a compromise.
"
" Test this carefully to make sure it works! If it doesn't, it is probably
" because you need to set g:redact_pass_pattern to fit your system's
" behaviour, or the plugin hasn't loaded at all.
"
" Author: Tom Ryder <tom@sanctum.geek.nz>
" License: Same as Vim itself
"
if exists('g:loaded_redact_pass') || &compatible
finish
endif
if !has('autocmd')
finish
endif
let g:loaded_redact_pass = 1
" Set g:redact_pass_pattern to a default based on the pass(1) code, if it
" hasn't already been set
if !exists('g:redact_pass_pattern')
let g:redact_pass_pattern
\ = '/dev/shm/pass.*/*,$TMPDIR/pass.*/*,/tmp/pass.*/*'
endif
" Function to switch the options off for just the current buffer
function! s:RedactPass()
" Unset options
setlocal nobackup
setlocal nowritebackup
setlocal noswapfile
if has('viminfo')
setlocal viminfo=
endif
if has('persistent_undo')
setlocal noundofile
endif
" Set a buffer variable to say we were here, for debugging
let b:redact_pass_active = 1
endfunction
" Automatic command to use the function based on filename pattern
let s:command = 'autocmd BufNewFile,BufReadPre '
\ . g:redact_pass_pattern
\ . ' call s:RedactPass()'
augroup redact_pass
autocmd!
execute s:command
augroup END
|
