" Support editing of gpg-encrypted files
augroup gnupg
  " Remove all gnupg autocommands
  au!

  " Enable editing of gpg-encrypted files
  "	  read:	set binary mode before reading the file
  "		decrypt text in buffer after reading
  "	 write:	encrypt file after writing
  "	append:	decrypt file, append, encrypt file

  autocmd BufReadPre,FileReadPre	*.gpg set bin
  autocmd BufReadPre,FileReadPre	*.gpg let ch_save =3D &ch|set ch=3D2
  autocmd BufReadPost,FileReadPost	*.gpg '[,']!gpg -d 2>/dev/null
  autocmd BufReadPost,FileReadPost	*.gpg set nobin
  autocmd BufReadPost,FileReadPost	*.gpg let &ch =3D ch_save|unlet ch_save
  autocmd BufReadPost,FileReadPost	*.gpg execute ":doautocmd BufReadPost " = . expand("%:r")

  autocmd BufWritePost,FileWritePost	*.gpg !mv <afile> <afile>:r
  autocmd BufWritePost,FileWritePost	*.gpg !gpg --default-recipient-self -e=<afile>:r
  autocmd BufWritePost,FileWritePost	*.gpg !rm <afile>:r

  autocmd FileAppendPre			*.gpg !gpg -d 2>/dev/null <afile>
  autocmd FileAppendPre			*.gpg !mv <afile>:r <afile>
  autocmd FileAppendPost		*.gpg !mv <afile> <afile>:r
  autocmd FileAppendPost		*.gpg !gpg --default-recipient-self -e <afile>:r
  autocmd FileAppendPost		*.gpg !rm <afile>:r

  " Same as above, but for ASCII-armored files
  autocmd BufRead			*.asc GiFULLDATE<CR><ESC>
  autocmd BufReadPre,FileReadPre	*.asc set bin
  autocmd BufReadPre,FileReadPre	*.asc let ch_save =3D &ch|set ch=3D2
  autocmd BufReadPost,FileReadPost	*.asc '[,']!gpg -d 2>/dev/null
  autocmd BufReadPost,FileReadPost	*.asc set nobin
  autocmd BufReadPost,FileReadPost	*.asc let &ch =3D ch_save|unlet ch_save
  autocmd BufReadPost,FileReadPost	*.asc execute ":doautocmd BufReadPost " = . expand("%:r")

  autocmd BufWritePost,FileWritePost	*.asc !mv <afile> <afile>:r
  autocmd BufWritePost,FileWritePost	*.asc !gpg --default-recipient-self -a= -e <afile>:r
  autocmd BufWritePost,FileWritePost	*.asc !rm <afile>:r

  autocmd FileAppendPre			*.asc !gpg -d 2>/dev/null <afile>
  autocmd FileAppendPre			*.asc !mv <afile>:r <afile>
  autocmd FileAppendPost		*.asc !mv <afile> <afile>:r
  autocmd FileAppendPost		*.asc !gpg --default-recipient-self -a -e <afile>=:r
  autocmd FileAppendPost		*.asc !rm <afile>:r
augroup END