Hello community,

here is the log from the commit of package vim-plugins for openSUSE:Factory 
checked in at 2016-06-29 15:10:42
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Comparing /work/SRC/openSUSE:Factory/vim-plugins (Old)
 and      /work/SRC/openSUSE:Factory/.vim-plugins.new (New)
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Package is "vim-plugins"

Changes:
--------
--- /work/SRC/openSUSE:Factory/vim-plugins/vim-plugins.changes  2016-06-03 
16:38:26.000000000 +0200
+++ /work/SRC/openSUSE:Factory/.vim-plugins.new/vim-plugins.changes     
2016-06-29 15:10:51.000000000 +0200
@@ -1,0 +2,5 @@
+Sat Jun 25 13:41:30 UTC 2016 - sebix+novell....@sebix.at
+
+- Update vim-plugin-gnupg to upstream version 2.6
+
+-------------------------------------------------------------------

Old:
----
  vimplugin-gnupg-3026.tar.bz2

New:
----
  vimplugin-gnupg-2.6.tar.bz2

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Other differences:
------------------
++++++ vim-plugins.spec ++++++
--- /var/tmp/diff_new_pack.UEt6ch/_old  2016-06-29 15:10:53.000000000 +0200
+++ /var/tmp/diff_new_pack.UEt6ch/_new  2016-06-29 15:10:53.000000000 +0200
@@ -43,7 +43,7 @@
 %define     latex_version           20120125
 %define     quilt_version           0.9.7
 %define     vimwiki_version         2.1
-%define     gnupg_version           3026
+%define     gnupg_version           2.6
 %define     gitdiff_version         2
 %define     snipmate_version        0.83
 %define     rails_version           4.4
@@ -484,6 +484,7 @@
 Summary:        Plugin for transparent editing of gpg encrypted files
 License:        GPL-1.0+
 Group:          Productivity/Text/Editors
+Url:            https://github.com/jamessan/vim-gnupg
 Requires:       gpg2
 
 %description -n vim-plugin-gnupg
@@ -491,8 +492,8 @@
 must have a ".gpg", ".pgp" or ".asc" suffix. When opening such a file the
 content is decrypted, when opening a new file the script will ask for the
 recipients of the encrypted file. The file content will be encrypted to all
-recipients before it is written. The script turns off viminfo and swapfile to
-increase security.
+recipients before it is written. The script turns off viminfo, swapfile, and
+undofile to increase security.
 
 %package -n vim-plugin-gitdiff
 

++++++ vimplugin-gnupg-3026.tar.bz2 -> vimplugin-gnupg-2.6.tar.bz2 ++++++
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/vimplugin-gnupg-3026/plugin/gnupg.vim 
new/vimplugin-gnupg-2.6/plugin/gnupg.vim
--- old/vimplugin-gnupg-3026/plugin/gnupg.vim   2010-03-31 16:37:48.000000000 
+0200
+++ new/vimplugin-gnupg-2.6/plugin/gnupg.vim    2016-04-25 05:27:34.000000000 
+0200
@@ -1,10 +1,13 @@
 " Name:    gnupg.vim
-" Version: $Id: gnupg.vim 3026 2010-01-27 08:18:04Z mbr $
-" Author:  Markus Braun <markus.br...@krawel.de>
+" Last Change: 2016 Apr 24
+" Maintainer:  James McCoy <james...@jamessan.com>
+" Original Author:  Markus Braun <markus.br...@krawel.de>
 " Summary: Vim plugin for transparent editing of gpg encrypted files.
-" Licence: This program is free software; you can redistribute it and/or
-"          modify it under the terms of the GNU General Public License.
-"          See http://www.gnu.org/copyleft/gpl.txt
+" License: This program is free software; you can redistribute it and/or
+"          modify it under the terms of the GNU General Public License
+"          as published by the Free Software Foundation; either version
+"          2 of the License, or (at your option) any later version.
+"          See http://www.gnu.org/copyleft/gpl-2.0.txt
 "
 " Section: Documentation {{{1
 "
@@ -15,7 +18,7 @@
 "   a file the content is decrypted, when opening a new file the script will
 "   ask for the recipients of the encrypted file. The file content will be
 "   encrypted to all recipients before it is written. The script turns off
-"   viminfo and swapfile to increase security.
+"   viminfo, swapfile, and undofile to increase security.
 "
 " Installation: {{{2
 "
@@ -39,6 +42,17 @@
 "   Most distributions provide software to ease handling of gpg and gpg-agent.
 "   Examples are keychain or seahorse.
 "
+"   If there are specific actions that should take place when editing a
+"   GnuPG-managed buffer, an autocmd for the User event and GnuPG pattern can
+"   be defined.  For example, the following will set 'textwidth' to 72 for all
+"   GnuPG-encrypted buffers:
+"
+"       autocmd User GnuPG setl textwidth=72
+"
+"   This will be triggered before any BufRead or BufNewFile autocmds, and
+"   therefore will not take precedence over settings specific to any filetype
+"   that may get set.
+"
 " Commands: {{{2
 "
 "   :GPGEditRecipients
@@ -61,8 +75,9 @@
 " Variables: {{{2
 "
 "   g:GPGExecutable
-"     If set used as gpg executable, otherwise the system chooses what is run
-"     when "gpg" is called. Defaults to "gpg".
+"     If set used as gpg executable. If unset, defaults to
+"     "gpg --trust-model always" if "gpg" is available, falling back to
+"     "gpg2 --trust-model always" if not.
 "
 "   g:GPGUseAgent
 "     If set to 0 a possible available gpg-agent won't be used. Defaults to 1.
@@ -71,7 +86,8 @@
 "     If set to 1 symmetric encryption is preferred for new files. Defaults to 
0.
 "
 "   g:GPGPreferArmor
-"     If set to 1 armored data is preferred for new files. Defaults to 0.
+"     If set to 1 armored data is preferred for new files. Defaults to 0
+"     unless a "*.asc" file is being edited.
 "
 "   g:GPGPreferSign
 "     If set to 1 signed data is preferred for new files. Defaults to 0.
@@ -80,9 +96,36 @@
 "     If set, these recipients are used as defaults when no other recipient is
 "     defined. This variable is a Vim list. Default is unset.
 "
+"   g:GPGPossibleRecipients
+"     If set, these contents are loaded into the recipients dialog. This
+"     allows to add commented lines with possible recipients to the list,
+"     which can be uncommented to select the actual recipients. Default is
+"     unset. Example:
+"
+"       let g:GPGPossibleRecipients=[
+"         \"Example User <exam...@example.com>",
+"         \"Other User <otherexam...@example.com>"
+"       \]
+"
+"
+"   g:GPGUsePipes
+"     If set to 1, use pipes instead of temporary files when interacting with
+"     gnupg.  When set to 1, this can cause terminal-based gpg agents to not
+"     display correctly when prompting for passwords.  Defaults to 0.
+"
+"   g:GPGHomedir
+"     If set, specifies the directory that will be used for GPG's homedir.
+"     This corresponds to gpg's --homedir option.  This variable is a Vim
+"     string. Default is unset.
+"
+"   g:GPGFilePattern
+"     If set, overrides the default set of file patterns that determine
+"     whether this plugin will be activated.  Defaults to
+"     '*.\(gpg\|asc\|pgp\)'.
+"
 " Known Issues: {{{2
 "
-"   In some cases gvim can't decryt files
+"   In some cases gvim can't decrypt files
 
 "   This is caused by the fact that a running gvim has no TTY and thus gpg is
 "   not able to ask for the passphrase by itself. This is a problem for Windows
@@ -102,6 +145,13 @@
 "         you will get a popup window the first time you open a file that
 "         needs to be decrypted.
 "
+"   If you're using Vim <7.4.959, after the plugin runs any external command,
+"   Vim will no longer be able to yank to/paste from the X clipboard or
+"   primary selections.  This is caused by a workaround for a different bug
+"   where Vim no longer recognizes the key codes for keys such as the arrow
+"   keys after running GnuPG.  See the discussion at
+"   https://github.com/jamessan/vim-gnupg/issues/36 for more details.
+"
 " Credits: {{{2
 "
 "   - Mathieu Clabaut for inspirations through his vimspell.vim script.
@@ -109,54 +159,61 @@
 "   - Erik Remmelzwaal for patch to enable windows support and patient beta
 "     testing.
 "   - Lars Becker for patch to make gpg2 working.
-"   - Thomas Arendsen Hein for patch to convert encoding of gpg output
+"   - Thomas Arendsen Hein for patch to convert encoding of gpg output.
 "   - Karl-Heinz Ruskowski for patch to fix unknown recipients and trust model
 "     and patient beta testing.
 "   - Giel van Schijndel for patch to get GPG_TTY dynamically.
 "   - Sebastian Luettich for patch to fix issue with symmetric encryption an 
set
 "     recipients.
-"   - Tim Swast for patch to generate signed files
+"   - Tim Swast for patch to generate signed files.
+"   - James Vega for patches for better '*.asc' handling, better filename
+"     escaping and better handling of multiple keyrings.
 "
 " Section: Plugin header {{{1
 
 " guard against multiple loads {{{2
-if (exists("g:loaded_gnupg") || &cp || 
exists("#BufReadPre#*.\(gpg\|asc\|pgp\)"))
+if (exists("g:loaded_gnupg") || &cp || exists("#GnuPG"))
   finish
 endif
-let g:loaded_gnupg = "$Revision: 3026 $"
+let g:loaded_gnupg = '2.6'
+let s:GPGInitRun = 0
 
 " check for correct vim version {{{2
-if (v:version < 700)
-  echohl ErrorMsg | echo 'plugin gnupg.vim requires Vim version >= 7.0' | 
echohl None
+if (v:version < 702)
+  echohl ErrorMsg | echo 'plugin gnupg.vim requires Vim version >= 7.2' | 
echohl None
   finish
 endif
 
 " Section: Autocmd setup {{{1
 
+if (!exists("g:GPGFilePattern"))
+  let g:GPGFilePattern = '*.\(gpg\|asc\|pgp\)'
+endif
+
 augroup GnuPG
   autocmd!
 
-  " initialize the internal variables
-  autocmd BufNewFile,BufReadPre,FileReadPre      *.\(gpg\|asc\|pgp\) call 
s:GPGInit()
-  " force the user to edit the recipient list if he opens a new file and public
-  " keys are preferred
-  autocmd BufNewFile                             *.\(gpg\|asc\|pgp\) if 
(exists("g:GPGPreferSymmetric") && g:GPGPreferSymmetric == 0) | call 
s:GPGEditRecipients() | endif
   " do the decryption
-  autocmd BufReadPost,FileReadPost               *.\(gpg\|asc\|pgp\) call 
s:GPGDecrypt()
+  exe "autocmd BufReadCmd " . g:GPGFilePattern .  " call s:GPGInit(1) |" .
+                                                \ " call s:GPGDecrypt(1)"
+  exe "autocmd FileReadCmd " . g:GPGFilePattern . " call s:GPGInit(0) |" .
+                                                \ " call s:GPGDecrypt(0)"
 
   " convert all text to encrypted text before writing
-  autocmd BufWritePre,FileWritePre               *.\(gpg\|asc\|pgp\) call 
s:GPGEncrypt()
-  " undo the encryption so we are back in the normal text, directly
-  " after the file has been written.
-  autocmd BufWritePost,FileWritePost             *.\(gpg\|asc\|pgp\) call 
s:GPGEncryptPost()
+  " We check for GPGCorrespondingTo to avoid triggering on writes in GPG 
Options/Recipient windows
+  exe "autocmd BufWriteCmd,FileWriteCmd " . g:GPGFilePattern . " if 
!exists('b:GPGCorrespondingTo') |" .
+                                                             \ " call 
s:GPGInit(0) |" .
+                                                             \ " call 
s:GPGEncrypt() |" .
+                                                             \ " endif"
 
   " cleanup on leaving vim
-  autocmd VimLeave                               *.\(gpg\|asc\|pgp\) call 
s:GPGCleanup()
+  exe "autocmd VimLeave " . g:GPGFilePattern .    " call s:GPGCleanup()"
 augroup END
 
 " Section: Constants {{{1
 
 let s:GPGMagicString = "\t \t"
+let s:keyPattern = '\%(0x\)\=[[:xdigit:]]\{8,16}'
 
 " Section: Highlight setup {{{1
 
@@ -166,23 +223,67 @@
 
 " Section: Functions {{{1
 
-" Function: s:GPGInit() {{{2
+" Function: s:shellescape(s[, special]) {{{2
+"
+" Calls shellescape(), also taking into account 'shellslash'
+" when on Windows and using $COMSPEC as the shell.
+"
+" Returns: shellescaped string
+"
+function s:shellescape(s, ...)
+  let special = a:0 ? a:1 : 0
+  if exists('+shellslash') && &shell == $COMSPEC
+    let ssl = &shellslash
+    set noshellslash
+
+    let escaped = shellescape(a:s, special)
+
+    let &shellslash = ssl
+  else
+    let escaped = shellescape(a:s, special)
+  endif
+
+  return escaped
+endfunction
+
+" Function: s:GPGInit(bufread) {{{2
 "
 " initialize the plugin
+" The bufread argument specifies whether this was called due to BufReadCmd
 "
-function s:GPGInit()
-  call s:GPGDebug(3, ">>>>>>>> Entering s:GPGInit()")
+function s:GPGInit(bufread)
+  call s:GPGDebug(3, printf(">>>>>>>> Entering s:GPGInit(%d)", a:bufread))
 
-  " first make sure nothing is written to ~/.viminfo while editing
-  " an encrypted file.
-  set viminfo=
+  " For FileReadCmd, we're reading the contents into another buffer.  If that
+  " buffer is also destined to be encrypted, then these settings will have
+  " already been set, otherwise don't set them since it limits the
+  " functionality of the cleartext buffer.
+  if a:bufread
+    " we don't want a swap file, as it writes unencrypted data to disk
+    setl noswapfile
+
+    " if persistent undo is present, disable it for this buffer
+    if exists('+undofile')
+      setl noundofile
+    endif
 
-  " we don't want a swap file, as it writes unencrypted data to disk
-  set noswapfile
+    " first make sure nothing is written to ~/.viminfo while editing
+    " an encrypted file.
+    set viminfo=
+  endif
+
+  " the rest only has to be run once
+  if s:GPGInitRun
+    return
+  endif
 
   " check what gpg command to use
   if (!exists("g:GPGExecutable"))
-    let g:GPGExecutable = "gpg --trust-model always"
+    if executable("gpg")
+      let g:GPGExecutable = "gpg --trust-model always"
+    else
+      let g:GPGExecutable = "gpg2 --trust-model always"
+    endif
   endif
 
   " check if gpg-agent is allowed
@@ -195,11 +296,6 @@
     let g:GPGPreferSymmetric = 0
   endif
 
-  " check if armored files are preferred
-  if (!exists("g:GPGPreferArmor"))
-    let g:GPGPreferArmor = 0
-  endif
-
   " check if signed files are preferred
   if (!exists("g:GPGPreferSign"))
     let g:GPGPreferSign = 0
@@ -210,42 +306,46 @@
     let g:GPGDefaultRecipients = []
   endif
 
+  if (!exists("g:GPGPossibleRecipients"))
+    let g:GPGPossibleRecipients = []
+  endif
+
+
+  " prefer not to use pipes since it can garble gpg agent display
+  if (!exists("g:GPGUsePipes"))
+    let g:GPGUsePipes = 0
+  endif
+
+  " allow alternate gnupg homedir
+  if (!exists('g:GPGHomedir'))
+    let g:GPGHomedir = ''
+  endif
+
   " print version
   call s:GPGDebug(1, "gnupg.vim ". g:loaded_gnupg)
 
-  " determine if gnupg can use the gpg-agent
-  if (exists("$GPG_AGENT_INFO") && g:GPGUseAgent == 1)
-    if (!exists("$GPG_TTY") && !has("gui_running"))
-      let $GPG_TTY = system("tty")
-      if (v:shell_error)
-        let $GPG_TTY = ""
-        echohl GPGError
-        echom "The GPG_TTY is not set and no TTY could be found using the 
`tty` command!"
-        echom "gpg-agent might not work."
-        echohl None
-      endif
-    endif
-    let s:GPGCommand = g:GPGExecutable . " --use-agent"
-  else
-    let s:GPGCommand = g:GPGExecutable . " --no-use-agent"
-  endif
+  let s:GPGCommand = g:GPGExecutable
 
-  " don't use tty in gvim
+  " don't use tty in gvim except for windows: we get their a tty for free.
   " FIXME find a better way to avoid an error.
   "       with this solution only --use-agent will work
-  if (has("gui_running"))
-    let s:GPGCommand = s:GPGCommand . " --no-tty"
+  if (has("gui_running") && !has("gui_win32"))
+    let s:GPGCommand .= " --no-tty"
   endif
 
   " setup shell environment for unix and windows
   let s:shellredirsave = &shellredir
   let s:shellsave = &shell
+  let s:shelltempsave = &shelltemp
+  " noshelltemp isn't currently supported on Windows, but it doesn't cause any
+  " errors and this future proofs us against requiring changes if Windows
+  " gains noshelltemp functionality
+  let s:shelltemp = !g:GPGUsePipes
   if (has("unix"))
     " unix specific settings
     let s:shellredir = ">%s 2>&1"
     let s:shell = '/bin/sh'
     let s:stderrredirnull = '2>/dev/null'
-    let s:GPGCommand = "LANG=C LC_ALL=C " . s:GPGCommand
   else
     " windows specific settings
     let s:shellredir = '>%s'
@@ -255,6 +355,7 @@
 
   call s:GPGDebug(3, "shellredirsave: " . s:shellredirsave)
   call s:GPGDebug(3, "shellsave: " . s:shellsave)
+  call s:GPGDebug(3, "shelltempsave: " . s:shelltempsave)
 
   call s:GPGDebug(3, "shell: " . s:shell)
   call s:GPGDebug(3, "shellcmdflag: " . &shellcmdflag)
@@ -265,25 +366,51 @@
   call s:GPGDebug(3, "shell implementation: " . resolve(s:shell))
 
   " find the supported algorithms
-  let commandline = s:GPGCommand . " --version"
-  call s:GPGDebug(2, "command: ". commandline)
-  let &shellredir = s:shellredir
-  let &shell = s:shell
-  let output = system(commandline)
-  let &shellredir = s:shellredirsave
-  let &shell = s:shellsave
-  call s:GPGDebug(2, "output: ". output)
+  let output = s:GPGSystem({ 'level': 2, 'args': '--version' })
 
+  let gpgversion = substitute(output, '^gpg (GnuPG) \([0-9]\+\.\d\+\).*', 
'\1', '')
   let s:GPGPubkey = substitute(output, ".*Pubkey: \\(.\\{-}\\)\n.*", "\\1", "")
   let s:GPGCipher = substitute(output, ".*Cipher: \\(.\\{-}\\)\n.*", "\\1", "")
   let s:GPGHash = substitute(output, ".*Hash: \\(.\\{-}\\)\n.*", "\\1", "")
   let s:GPGCompress = substitute(output, ".*Compress.\\{-}: \\(.\\{-}\\)\n.*", 
"\\1", "")
 
+  " determine if gnupg can use the gpg-agent
+  if (str2float(gpgversion) >= 2.1 || (exists("$GPG_AGENT_INFO") && 
g:GPGUseAgent == 1))
+    if (!exists("$GPG_TTY") && !has("gui_running"))
+      " Need to determine the associated tty by running a command in the
+      " shell.  We can't use system() here because that doesn't run in a shell
+      " connected to a tty, so it's rather useless.
+      "
+      " Save/restore &modified so the buffer isn't incorrectly marked as
+      " modified just by detecting the correct tty value.
+      " Do the &undolevels dance so the :read and :delete don't get added into
+      " the undo tree, as the user needn't be aware of these.
+      let [mod, levels] = [&l:modified, &undolevels]
+      set undolevels=-1
+      silent read !tty
+      let $GPG_TTY = getline('.')
+      silent delete
+      let [&l:modified, &undolevels] = [mod, levels]
+      " redraw is needed since we're using silent to run !tty, c.f. :help :!
+      redraw!
+      if (v:shell_error)
+        let $GPG_TTY = ""
+        echohl GPGWarning
+        echom "$GPG_TTY is not set and the `tty` command failed! gpg-agent 
might not work."
+        echohl None
+      endif
+    endif
+    let s:GPGCommand .= " --use-agent"
+  else
+    let s:GPGCommand .= " --no-use-agent"
+  endif
+
   call s:GPGDebug(2, "public key algorithms: " . s:GPGPubkey)
   call s:GPGDebug(2, "cipher algorithms: " . s:GPGCipher)
   call s:GPGDebug(2, "hashing algorithms: " . s:GPGHash)
   call s:GPGDebug(2, "compression algorithms: " . s:GPGCompress)
   call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGInit()")
+  let s:GPGInitRun = 1
 endfunction
 
 " Function: s:GPGCleanup() {{{2
@@ -300,34 +427,63 @@
   call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGCleanup()")
 endfunction
 
-" Function: s:GPGDecrypt() {{{2
+" Function: s:GPGDecrypt(bufread) {{{2
 "
 " decrypt the buffer and find all recipients of the encrypted file
+" The bufread argument specifies whether this was called due to BufReadCmd
 "
-function s:GPGDecrypt()
-  call s:GPGDebug(3, ">>>>>>>> Entering s:GPGDecrypt()")
-
-  " switch to binary mode to read the encrypted file
-  set bin
+function s:GPGDecrypt(bufread)
+  call s:GPGDebug(3, printf(">>>>>>>> Entering s:GPGDecrypt(%d)", a:bufread))
 
   " get the filename of the current buffer
-  let filename = escape(expand("%:p"), '\"')
+  let filename = expand("<afile>:p")
 
-  " clear GPGEncrypted, GPGRecipients and GPGOptions
-  let b:GPGEncrypted = 0
-  let b:GPGRecipients = []
+  " clear GPGRecipients and GPGOptions
+  if type(g:GPGDefaultRecipients) == type([])
+    let b:GPGRecipients = copy(g:GPGDefaultRecipients)
+  else
+    let b:GPGRecipients = []
+    echohl GPGWarning
+    echom "g:GPGDefaultRecipients is not a Vim list, please correct this in 
your vimrc!"
+    echohl None
+  endif
   let b:GPGOptions = []
 
+  " file name minus extension
+  let autocmd_filename = fnameescape(expand('<afile>:r'))
+
+  " File doesn't exist yet, so nothing to decrypt
+  if !filereadable(filename)
+    " Allow the user to define actions for GnuPG buffers
+    silent doautocmd User GnuPG
+    " call the autocommand for the file minus .gpg$
+    silent execute ':doautocmd BufNewFile ' . autocmd_filename
+    call s:GPGDebug(2, 'called BufNewFile autocommand for ' . autocmd_filename)
+
+    " This is a new file, so force the user to edit the recipient list if
+    " they open a new file and public keys are preferred
+    if (g:GPGPreferSymmetric == 0)
+        call s:GPGEditRecipients()
+    endif
+
+    return
+  endif
+
+  " Only let this if the file actually exists, otherwise GPG functionality
+  " will be disabled when editing a buffer that doesn't yet have a backing
+  " file
+  let b:GPGEncrypted = 0
+
   " find the recipients of the file
-  let commandline = s:GPGCommand . " --verbose --decrypt --list-only --dry-run 
--batch --no-use-agent --logger-fd 1 \"" . filename . "\""
-  call s:GPGDebug(3, "command: " . commandline)
-  let &shellredir = s:shellredir
-  let &shell = s:shell
-  let output = system(commandline)
-  let &shellredir = s:shellredirsave
-  let &shell = s:shellsave
-  call s:GPGDebug(3, "output: ". output)
+  let cmd = { 'level': 3 }
+  let cmd.args = '--verbose --decrypt --list-only --dry-run --no-use-agent 
--logger-fd 1 ' . s:shellescape(filename)
+  let output = s:GPGSystem(cmd)
+
+  " Suppress the "N more lines" message when editing a file, not when reading
+  " the contents of a file into a buffer
+  let silent = a:bufread ? 'silent ' : ''
 
+  let asymmPattern = 'gpg: public key is ' . s:keyPattern
   " check if the file is symmetric/asymmetric encrypted
   if (match(output, "gpg: encrypted with [[:digit:]]\\+ passphrase") >= 0)
     " file is symmetric encrypted
@@ -347,7 +503,7 @@
       echo
       echohl None
     endif
-  elseif (match(output, "gpg: public key is [[:xdigit:]]\\{8}") >= 0)
+  elseif (match(output, asymmPattern) >= 0)
     " file is asymmetric encrypted
     let b:GPGEncrypted = 1
     call s:GPGDebug(1, "this file is asymmetric encrypted")
@@ -355,22 +511,32 @@
     let b:GPGOptions += ["encrypt"]
 
     " find the used public keys
-    let start = match(output, "gpg: public key is [[:xdigit:]]\\{8}")
+    let start = match(output, asymmPattern)
     while (start >= 0)
       let start = start + strlen("gpg: public key is ")
-      let recipient = strpart(output, start, 8)
+      let recipient = matchstr(output, s:keyPattern, start)
       call s:GPGDebug(1, "recipient is " . recipient)
-      let name = s:GPGNameToID(recipient)
-      if (strlen(name) > 0)
-        let b:GPGRecipients += [name]
-        call s:GPGDebug(1, "name of recipient is " . name)
-      else
-        let b:GPGRecipients += [recipient]
-        echohl GPGWarning
-        echom "The recipient \"" . recipient . "\" is not in your public 
keyring!"
-        echohl None
+      " In order to support anonymous communication, GnuPG allows eliding
+      " information in the encryption metadata specifying what keys the file
+      " was encrypted to (c.f., --throw-keyids and --hidden-recipient).  In
+      " that case, the recipient(s) will be listed as having used a key of all
+      " zeroes.
+      " Since this will obviously never actually be in a keyring, only try to
+      " convert to an ID or add to the recipients list if it's not a hidden
+      " recipient.
+      if recipient !~? '^0x0\+$'
+        let name = s:GPGNameToID(recipient)
+        if !empty(name)
+          let b:GPGRecipients += [name]
+          call s:GPGDebug(1, "name of recipient is " . name)
+        else
+          let b:GPGRecipients += [recipient]
+          echohl GPGWarning
+          echom "The recipient \"" . recipient . "\" is not in your public 
keyring!"
+          echohl None
+        end
       end
-      let start = match(output, "gpg: public key is [[:xdigit:]]\\{8}", start)
+      let start = match(output, asymmPattern, start)
     endwhile
   else
     " file is not encrypted
@@ -379,11 +545,19 @@
     echohl GPGWarning
     echom "File is not encrypted, all GPG functions disabled!"
     echohl None
-    set nobin
+    exe printf('%sr %s', silent, fnameescape(filename))
     call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGDecrypt()")
     return
   endif
 
+  if a:bufread
+    silent execute ':doautocmd BufReadPre ' . autocmd_filename
+    call s:GPGDebug(2, 'called BufReadPre autocommand for ' . autocmd_filename)
+  else
+    silent execute ':doautocmd FileReadPre ' . autocmd_filename
+    call s:GPGDebug(2, 'called FileReadPre autocommand for ' . 
autocmd_filename)
+  endif
+
   " check if the message is armored
   if (match(output, "gpg: armor header") >= 0)
     call s:GPGDebug(1, "this file is armored")
@@ -394,30 +568,49 @@
   " since even with the --quiet option passphrase typos will be reported,
   " we must redirect stderr (using shell temporarily)
   call s:GPGDebug(1, "decrypting file")
-  let commandline = "'[,']!" . s:GPGCommand . " --quiet --decrypt " . 
s:stderrredirnull
-  call s:GPGDebug(1, "command: " . commandline)
-  let &shellredir = s:shellredir
-  let &shell = s:shell
-  execute commandline
-  let &shellredir = s:shellredirsave
-  let &shell = s:shellsave
+  let cmd = { 'level': 1, 'ex': silent . 'r !' }
+  let cmd.args = '--quiet --decrypt ' . s:shellescape(filename, 1)
+  call s:GPGExecute(cmd)
+
   if (v:shell_error) " message could not be decrypted
-    silent u
     echohl GPGError
     let blackhole = input("Message could not be decrypted! (Press ENTER)")
     echohl None
-    bwipeout
-    set nobin
+    " Only wipeout the buffer if we were creating one to start with.
+    " FileReadCmd just reads the content into the existing buffer
+    if a:bufread
+      silent bwipeout!
+    endif
     call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGDecrypt()")
     return
   endif
 
-  " turn off binary mode
-  set nobin
+  if a:bufread
+    " In order to make :undo a no-op immediately after the buffer is read,
+    " we need to do this dance with 'undolevels'.  Actually discarding the undo
+    " history requires performing a change after setting 'undolevels' to -1 
and,
+    " luckily, we have one we need to do (delete the extra line from the :r
+    " command)
+    let levels = &undolevels
+    set undolevels=-1
+    " :lockmarks doesn't actually prevent '[,'] from being overwritten, so we
+    " need to manually set them ourselves instead
+    silent 1delete
+    1mark [
+    $mark ]
+    let &undolevels = levels
+    let &readonly = filereadable(filename) && filewritable(filename) == 0
+    " call the autocommand for the file minus .gpg$
+    silent execute ':doautocmd BufReadPost ' . autocmd_filename
+    call s:GPGDebug(2, 'called BufReadPost autocommand for ' . 
autocmd_filename)
+  else
+    " call the autocommand for the file minus .gpg$
+    silent execute ':doautocmd FileReadPost ' . autocmd_filename
+    call s:GPGDebug(2, 'called FileReadPost autocommand for ' . 
autocmd_filename)
+  endif
 
-  " call the autocommand for the file minus .gpg$
-  execute ":doautocmd BufReadPost " . escape(expand("%:r"), ' *?\"'."'")
-  call s:GPGDebug(2, "called autocommand for " . escape(expand("%:r"), ' 
*?\"'."'"))
+  " Allow the user to define actions for GnuPG buffers
+  silent doautocmd User GnuPG
 
   " refresh screen
   redraw!
@@ -432,9 +625,21 @@
 function s:GPGEncrypt()
   call s:GPGDebug(3, ">>>>>>>> Entering s:GPGEncrypt()")
 
-  " save window view
-  let s:GPGWindowView = winsaveview()
-  call s:GPGDebug(2, "saved window view " . string(s:GPGWindowView))
+  " FileWriteCmd is only called when a portion of a buffer is being written to
+  " disk.  Since Vim always sets the '[,'] marks to the part of a buffer that
+  " is being written, that can be used to determine whether BufWriteCmd or
+  " FileWriteCmd triggered us.
+  if [line("'["), line("']")] == [1, line('$')]
+    let auType = 'BufWrite'
+  else
+    let auType = 'FileWrite'
+  endif
+
+  " file name minus extension
+  let autocmd_filename = fnameescape(expand('<afile>:r'))
+
+  silent exe ':doautocmd '. auType .'Pre '. autocmd_filename
+  call s:GPGDebug(2, 'called '. auType .'Pre autocommand for ' . 
autocmd_filename)
 
   " store encoding and switch to a safe one
   if (&fileencoding != &encoding)
@@ -446,20 +651,18 @@
     call s:GPGDebug(2, "encoding and fileencoding are the same (\"" . 
&encoding . "\"), not switching")
   endif
 
-  " switch buffer to binary mode
-  set bin
-
   " guard for unencrypted files
-  if (!exists("b:GPGEncrypted") || b:GPGEncrypted == 0)
+  if (exists("b:GPGEncrypted") && b:GPGEncrypted == 0)
     echohl GPGError
-    let blackhole = input("Message could not be encrypted! File might be 
empty! (Press ENTER)")
+    let blackhole = input("Message could not be encrypted! (Press ENTER)")
     echohl None
     call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGEncrypt()")
     return
   endif
 
+  let filename = resolve(expand('<afile>'))
   " initialize GPGOptions if not happened before
-  if (!exists("b:GPGOptions") || len(b:GPGOptions) == 0)
+  if (!exists("b:GPGOptions") || empty(b:GPGOptions))
     let b:GPGOptions = []
     if (exists("g:GPGPreferSymmetric") && g:GPGPreferSymmetric == 1)
       let b:GPGOptions += ["symmetric"]
@@ -467,7 +670,10 @@
     else
       let b:GPGOptions += ["encrypt"]
     endif
-    if (exists("g:GPGPreferArmor") && g:GPGPreferArmor == 1)
+    " Fallback to preference by filename if the user didn't indicate
+    " their preference.
+    let preferArmor = get(g:, 'GPGPreferArmor', -1)
+    if (preferArmor >= 0 && preferArmor) || filename =~ '\.asc$'
       let b:GPGOptions += ["armor"]
     endif
     if (exists("g:GPGPreferSign") && g:GPGPreferSign == 1)
@@ -482,11 +688,15 @@
     let options = options . " --" . option . " "
   endfor
 
+  if (!exists('b:GPGRecipients'))
+    let b:GPGRecipients = []
+  endif
+
   " check here again if all recipients are available in the keyring
-  let [ recipients, unknownrecipients ] = s:GPGCheckRecipients(b:GPGRecipients)
+  let recipients = s:GPGCheckRecipients(b:GPGRecipients)
 
   " check if there are unknown recipients and warn
-  if (len(unknownrecipients) > 0)
+  if !empty(recipients.unknown)
     echohl GPGWarning
     echom "Please use GPGEditRecipients to correct!!"
     echo
@@ -497,76 +707,49 @@
   endif
 
   " built list of recipients
-  if (len(recipients) > 0)
-    for gpgid in recipients
-      let options = options . " -r " . gpgid
-    endfor
-  else
-    if (match(b:GPGOptions, "encrypt") >= 0)
-      echohl GPGError
-      echom "There are no recipients!!"
-      echom "Please use GPGEditRecipients to correct!!"
-      echo
-      echohl None
-    endif
-  endif
+  let options .= ' ' . join(map(recipients.valid, '"-r ".v:val'), ' ')
 
   " encrypt the buffer
-  let commandline = "'[,']!" . s:GPGCommand . " --quiet --no-encrypt-to " . 
options . " " . s:stderrredirnull
-  call s:GPGDebug(1, "command: " . commandline)
-  let &shellredir = s:shellredir
-  let &shell = s:shell
-  silent execute commandline
-  let &shellredir = s:shellredirsave
-  let &shell = s:shellsave
-  if (v:shell_error) " message could not be encrypted
-    " delete content of the buffer to be sure no data is written unencrypted
-    " content will be recovered in GPGEncryptPost()
-    silent normal! 1GdG
+  let destfile = tempname()
+  let cmd = { 'level': 1, 'ex': "'[,']w !" }
+  let cmd.args = '--quiet --no-encrypt-to ' . options
+  let cmd.redirect = '>' . s:shellescape(destfile, 1)
+  silent call s:GPGExecute(cmd)
+
+  " restore encoding
+  if (s:GPGEncoding != "")
+    let &encoding = s:GPGEncoding
+    call s:GPGDebug(2, "restored encoding \"" . &encoding . "\"")
+  endif
 
+  if (v:shell_error) " message could not be encrypted
+    " Command failed, so clean up the tempfile
+    call delete(destfile)
     echohl GPGError
-    let blackhole = input("Message could not be encrypted! File might be 
empty! (Press ENTER)")
+    let blackhole = input("Message could not be encrypted! (Press ENTER)")
     echohl None
     call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGEncrypt()")
     return
   endif
 
-  call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGEncrypt()")
-endfunction
-
-" Function: s:GPGEncryptPost() {{{2
-"
-" undo changes don by encrypt, after writing
-"
-function s:GPGEncryptPost()
-  call s:GPGDebug(3, ">>>>>>>> Entering s:GPGEncryptPost()")
-
-  " guard for unencrypted files
-  if (exists("b:GPGEncrypted") && b:GPGEncrypted == 0)
-    call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGEncryptPost()")
+  if rename(destfile, filename)
+    " Rename failed, so clean up the tempfile
+    call delete(destfile)
+    echohl GPGError
+    echom printf("\"%s\" E212: Can't open file for writing", filename)
+    echohl None
     return
   endif
 
-  " undo encryption of buffer content
-  silent u
-
-  " switch back from binary mode
-  set nobin
-
-  " restore encoding
-  if (s:GPGEncoding != "")
-    let &encoding = s:GPGEncoding
-    call s:GPGDebug(2, "restored encoding \"" . &encoding . "\"")
+  if auType == 'BufWrite'
+    setl nomodified
+    let &readonly = filereadable(filename) && filewritable(filename) == 0
   endif
 
-  " restore window view
-  call winrestview(s:GPGWindowView)
-  call s:GPGDebug(2, "restored window view" . string(s:GPGWindowView))
+  silent exe ':doautocmd '. auType .'Post '. autocmd_filename
+  call s:GPGDebug(2, 'called '. auType .'Post autocommand for ' . 
autocmd_filename)
 
-  " refresh screen
-  redraw!
-
-  call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGEncryptPost()")
+  call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGEncrypt()")
 endfunction
 
 " Function: s:GPGViewRecipients() {{{2
@@ -585,25 +768,25 @@
     return
   endif
 
-  let [ recipients, unknownrecipients ] = s:GPGCheckRecipients(b:GPGRecipients)
+  let recipients = s:GPGCheckRecipients(b:GPGRecipients)
 
   echo 'This file has following recipients (Unknown recipients have a 
prepended "!"):'
   " echo the recipients
-  for name in recipients
+  for name in recipients.valid
     let name = s:GPGIDToName(name)
     echo name
   endfor
 
   " echo the unknown recipients
   echohl GPGWarning
-  for name in unknownrecipients
+  for name in recipients.unknown
     let name = "!" . name
     echo name
   endfor
   echohl None
 
   " check if there is any known recipient
-  if (len(recipients) == 0)
+  if empty(recipients.valid)
     echohl GPGError
     echom 'There are no known recipients!'
     echohl None
@@ -638,7 +821,7 @@
     " check if this buffer exists
     if (!bufexists(editbuffername))
       " create scratch buffer
-      execute 'silent! split ' . escape(editbuffername, ' *?\"'."'")
+      execute 'silent! split ' . fnameescape(editbuffername)
 
       " add a autocommand to regenerate the recipients after a write
       autocmd BufHidden,BufUnload,BufWriteCmd <buffer> call 
s:GPGFinishRecipientsBuffer()
@@ -648,14 +831,14 @@
         execute 'silent! ' . bufwinnr(editbuffername) . "wincmd w"
       else
         " split scratch buffer window
-        execute 'silent! sbuffer ' . escape(editbuffername, ' *?\"'."'")
+        execute 'silent! sbuffer ' . fnameescape(editbuffername)
 
         " add a autocommand to regenerate the recipients after a write
         autocmd BufHidden,BufUnload,BufWriteCmd <buffer> call 
s:GPGFinishRecipientsBuffer()
       endif
 
       " empty the buffer
-      silent normal! 1GdG
+      silent %delete
     endif
 
     " Mark the buffer as a scratch buffer
@@ -679,12 +862,12 @@
     silent put ='GPG: 
----------------------------------------------------------------------'
 
     " get the recipients
-    let [ recipients, unknownrecipients ] = 
s:GPGCheckRecipients(getbufvar(b:GPGCorrespondingTo, "GPGRecipients"))
+    let recipients = s:GPGCheckRecipients(getbufvar(b:GPGCorrespondingTo, 
"GPGRecipients"))
 
     " if there are no known or unknown recipients, use the default ones
-    if (len(recipients) == 0 && len(unknownrecipients) == 0)
+    if (empty(recipients.valid) && empty(recipients.unknown))
       if (type(g:GPGDefaultRecipients) == type([]))
-        let [ recipients, unknownrecipients ] = 
s:GPGCheckRecipients(g:GPGDefaultRecipients)
+        let recipients = s:GPGCheckRecipients(g:GPGDefaultRecipients)
       else
         echohl GPGWarning
         echom "g:GPGDefaultRecipients is not a Vim list, please correct this 
in your vimrc!"
@@ -693,25 +876,30 @@
     endif
 
     " put the recipients in the scratch buffer
-    for name in recipients
+    for name in recipients.valid
       let name = s:GPGIDToName(name)
       silent put =name
     endfor
 
     " put the unknown recipients in the scratch buffer
-    let syntaxPattern = "\\(nonexxistinwordinthisbuffer"
-    for name in unknownrecipients
-      let name = "!" . name
-      let syntaxPattern = syntaxPattern . "\\|" . name
-      silent put =name
+    let syntaxPattern = ''
+    if !empty(recipients.unknown)
+      let flaggedNames = map(recipients.unknown, '"!".v:val')
+      call append('$', flaggedNames)
+      let syntaxPattern = '\(' . join(flaggedNames, '\|') . '\)'
+    endif
+
+    for line in g:GPGPossibleRecipients
+        silent put ='GPG: '.line
     endfor
-    let syntaxPattern = syntaxPattern . "\\)"
 
     " define highlight
     if (has("syntax") && exists("g:syntax_on"))
-      execute 'syntax match GPGUnknownRecipient    "' . syntaxPattern . '"'
       highlight clear GPGUnknownRecipient
-      highlight link GPGUnknownRecipient  GPGHighlightUnknownRecipient
+      if !empty(syntaxPattern)
+        execute 'syntax match GPGUnknownRecipient    "' . syntaxPattern . '"'
+        highlight link GPGUnknownRecipient  GPGHighlightUnknownRecipient
+      endif
 
       syntax match GPGComment "^GPG:.*$"
       execute 'syntax match GPGComment "' . s:GPGMagicString . '.*$"'
@@ -720,10 +908,10 @@
     endif
 
     " delete the empty first line
-    silent normal! 1Gdd
+    silent 1delete
 
     " jump to the first recipient
-    silent normal! G
+    silent $
 
   endif
 
@@ -755,13 +943,13 @@
   " delete the autocommand
   autocmd! * <buffer>
 
-
   " get the recipients from the scratch buffer
   let recipients = []
   let lines = getline(1,"$")
   for recipient in lines
-    " delete all text after magic string
-    let recipient = substitute(recipient, s:GPGMagicString . ".*$", "", "")
+    let matches = matchlist(recipient, '^\(.\{-}\)\%(' . s:GPGMagicString . 
'(ID:\s\+\(' . s:keyPattern . '\)\s\+.*\)\=$')
+
+    let recipient = matches[2] ? matches[2] : matches[1]
 
     " delete all spaces at beginning and end of the recipient
     " also delete a '!' at the beginning of the recipient
@@ -771,9 +959,9 @@
     let recipient = substitute(recipient, "^GPG:.*$", "", "")
 
     " only do this if the line is not empty
-    if (strlen(recipient) > 0)
+    if !empty(recipient)
       let gpgid = s:GPGNameToID(recipient)
-      if (strlen(gpgid) > 0)
+      if !empty(gpgid)
         if (match(recipients, gpgid) < 0)
           let recipients += [gpgid]
         endif
@@ -789,20 +977,20 @@
   endfor
 
   " write back the new recipient list to the corresponding buffer and mark it
-  " as modified. Buffer is now for sure a encrypted buffer.
+  " as modified. Buffer is now for sure an encrypted buffer.
   call setbufvar(b:GPGCorrespondingTo, "GPGRecipients", recipients)
   call setbufvar(b:GPGCorrespondingTo, "&mod", 1)
   call setbufvar(b:GPGCorrespondingTo, "GPGEncrypted", 1)
 
   " check if there is any known recipient
-  if (len(recipients) == 0)
+  if empty(recipients)
     echohl GPGError
     echom 'There are no known recipients!'
     echohl None
   endif
 
   " reset modified flag
-  set nomodified
+  setl nomodified
 
   call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGFinishRecipientsBuffer()")
 endfunction
@@ -860,7 +1048,7 @@
     " check if this buffer exists
     if (!bufexists(editbuffername))
       " create scratch buffer
-      execute 'silent! split ' . escape(editbuffername, ' *?\"'."'")
+      execute 'silent! split ' . fnameescape(editbuffername)
 
       " add a autocommand to regenerate the options after a write
       autocmd BufHidden,BufUnload,BufWriteCmd <buffer> call 
s:GPGFinishOptionsBuffer()
@@ -870,14 +1058,14 @@
         execute 'silent! ' . bufwinnr(editbuffername) . "wincmd w"
       else
         " split scratch buffer window
-        execute 'silent! sbuffer ' . escape(editbuffername, ' *?\"'."'")
+        execute 'silent! sbuffer ' . fnameescape(editbuffername)
 
         " add a autocommand to regenerate the options after a write
         autocmd BufHidden,BufUnload,BufWriteCmd <buffer> call 
s:GPGFinishOptionsBuffer()
       endif
 
       " empty the buffer
-      silent normal! 1GdG
+      silent %delete
     endif
 
     " Mark the buffer as a scratch buffer
@@ -909,10 +1097,10 @@
     endfor
 
     " delete the empty first line
-    silent normal! 1Gdd
+    silent 1delete
 
     " jump to the first option
-    silent normal! G
+    silent $
 
     " define highlight
     if (has("syntax") && exists("g:syntax_on"))
@@ -964,7 +1152,7 @@
     let option = substitute(option, "^GPG:.*$", "", "")
 
     " only do this if the line is not empty
-    if (strlen(option) > 0 && match(options, option) < 0)
+    if (!empty(option) && match(options, option) < 0)
       let options += [option]
     endif
   endfor
@@ -975,7 +1163,7 @@
   call setbufvar(b:GPGCorrespondingTo, "&mod", 1)
 
   " reset modified flag
-  set nomodified
+  setl nomodified
 
   call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGFinishOptionsBuffer()")
 endfunction
@@ -983,24 +1171,23 @@
 " Function: s:GPGCheckRecipients(tocheck) {{{2
 "
 " check if recipients are known
-" Returns: two lists recipients and unknownrecipients
+" Returns: dictionary of recipients, {'valid': [], 'unknown': []}
 "
 function s:GPGCheckRecipients(tocheck)
   call s:GPGDebug(3, ">>>>>>>> Entering s:GPGCheckRecipients()")
 
-  let recipients = []
-  let unknownrecipients = []
+  let recipients = {'valid': [], 'unknown': []}
 
   if (type(a:tocheck) == type([]))
     for recipient in a:tocheck
       let gpgid = s:GPGNameToID(recipient)
-      if (strlen(gpgid) > 0)
-        if (match(recipients, gpgid) < 0)
-          let recipients += [gpgid]
+      if !empty(gpgid)
+        if (match(recipients.valid, gpgid) < 0)
+          call add(recipients.valid, gpgid)
         endif
       else
-        if (match(unknownrecipients, recipient) < 0)
-          let unknownrecipients += [recipient]
+        if (match(recipients.unknown, recipient) < 0)
+          call add(recipients.unknown, recipient)
           echohl GPGWarning
           echom "The recipient \"" . recipient . "\" is not in your public 
keyring!"
           echohl None
@@ -1009,11 +1196,11 @@
     endfor
   endif
 
-  call s:GPGDebug(2, "recipients are: " . string(recipients))
-  call s:GPGDebug(2, "unknown recipients are: " . string(unknownrecipients))
+  call s:GPGDebug(2, "recipients are: " . string(recipients.valid))
+  call s:GPGDebug(2, "unknown recipients are: " . string(recipients.unknown))
 
   call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGCheckRecipients()")
-  return [ recipients, unknownrecipients ]
+  return recipients
 endfunction
 
 " Function: s:GPGNameToID(name) {{{2
@@ -1025,14 +1212,9 @@
   call s:GPGDebug(3, ">>>>>>>> Entering s:GPGNameToID()")
 
   " ask gpg for the id for a name
-  let commandline = s:GPGCommand . " --quiet --with-colons --fixed-list-mode 
--list-keys \"" . a:name . "\""
-  call s:GPGDebug(2, "command: ". commandline)
-  let &shellredir = s:shellredir
-  let &shell = s:shell
-  let output = system(commandline)
-  let &shellredir = s:shellredirsave
-  let &shell = s:shellsave
-  call s:GPGDebug(2, "output: ". output)
+  let cmd = { 'level': 2 }
+  let cmd.args = '--quiet --with-colons --fixed-list-mode --list-keys ' . 
s:shellescape(a:name)
+  let output = s:GPGSystem(cmd)
 
   " when called with "--with-colons" gpg encodes its output _ALWAYS_ as UTF-8,
   " so convert it, if necessary
@@ -1045,31 +1227,41 @@
   let pubseen = 0
   let counter = 0
   let gpgids = []
+  let seen_keys = {}
+  let skip_key = 0
+  let has_strftime = exists('*strftime')
   let choices = "The name \"" . a:name . "\" is ambiguous. Please select the 
correct key:\n"
   for line in lines
+
     let fields = split(line, ":")
-    " search for the next uid
-    if (pubseen == 1)
-      if (fields[0] == "uid")
-        let choices = choices . "   " . fields[9] . "\n"
-      else
-        let pubseen = 0
-      endif
-    endif
 
     " search for the next pub
-    if (pubseen == 0)
-      if (fields[0] == "pub")
-        let identity = fields[4]
-        let gpgids += [identity]
-        if exists("*strftime")
-          let choices = choices . counter . ": ID: 0x" . identity . " created 
at " . strftime("%c", fields[5]) . "\n"
-        else
-          let choices = choices . counter . ": ID: 0x" . identity . "\n"
-        endif
-        let counter = counter+1
-        let pubseen = 1
+    if (fields[0] == "pub")
+      " check if this key has already been processed
+      if has_key(seen_keys, fields[4])
+        let skip_key = 1
+        continue
+      endif
+      let skip_key = 0
+      let seen_keys[fields[4]] = 1
+
+      " Ignore keys which are not usable for encryption
+      if fields[11] !~? 'e'
+        continue
+      endif
+
+      let identity = fields[4]
+      let gpgids += [identity]
+      if has_strftime
+        let choices = choices . counter . ": ID: 0x" . identity . " created at 
" . strftime("%c", fields[5]) . "\n"
+      else
+        let choices = choices . counter . ": ID: 0x" . identity . "\n"
       endif
+      let counter = counter+1
+      let pubseen = 1
+    " search for the next uid
+    elseif (!skip_key && fields[0] == "uid")
+      let choices = choices . "   " . fields[9] . "\n"
     endif
 
   endfor
@@ -1084,7 +1276,7 @@
     endwhile
   endif
 
-  call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGIDToName()")
+  call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGNameToID()")
   return get(gpgids, answer, "")
 endfunction
 
@@ -1099,14 +1291,9 @@
   " TODO is the encryption subkey really unique?
 
   " ask gpg for the id for a name
-  let commandline = s:GPGCommand . " --quiet --with-colons --fixed-list-mode 
--list-keys " . a:identity
-  call s:GPGDebug(2, "command: ". commandline)
-  let &shellredir = s:shellredir
-  let &shell = s:shell
-  let output = system(commandline)
-  let &shellredir = s:shellredirsave
-  let &shell = s:shellsave
-  call s:GPGDebug(2, "output: ". output)
+  let cmd = { 'level': 2 }
+  let cmd.args = '--quiet --with-colons --fixed-list-mode --list-keys ' . 
a:identity
+  let output = s:GPGSystem(cmd)
 
   " when called with "--with-colons" gpg encodes its output _ALWAYS_ as UTF-8,
   " so convert it, if necessary
@@ -1120,8 +1307,14 @@
   let uid = ""
   for line in lines
     let fields = split(line, ":")
-    if (pubseen == 0) " search for the next pub
+
+    if !pubseen " search for the next pub
       if (fields[0] == "pub")
+        " Ignore keys which are not usable for encryption
+        if fields[11] !~? 'e'
+          continue
+        endif
+
         let pubseen = 1
       endif
     else " search for the next uid
@@ -1141,6 +1334,93 @@
   return uid
 endfunction
 
+" Function: s:GPGPreCmd() {{{2
+"
+" Setup the environment for running the gpg command
+"
+function s:GPGPreCmd()
+  let &shellredir = s:shellredir
+  let &shell = s:shell
+  let &shelltemp = s:shelltemp
+  " Force C locale so GPG output is consistent
+  let s:messages = v:lang
+  language messages C
+endfunction
+
+
+" Function: s:GPGPostCmd() {{{2
+"
+" Restore the user's environment after running the gpg command
+"
+function s:GPGPostCmd()
+  let &shellredir = s:shellredirsave
+  let &shell = s:shellsave
+  let &shelltemp = s:shelltempsave
+  execute 'language messages' s:messages
+  " Workaround a bug in the interaction between console vim and
+  " pinentry-curses by forcing Vim to re-detect and setup its terminal
+  " settings
+  let &term = &term
+  silent doautocmd TermChanged
+endfunction
+
+" Function: s:GPGSystem(dict) {{{2
+"
+" run g:GPGCommand using system(), logging the commandline and output.  This
+" uses temp files (regardless of how 'shelltemp' is set) to hold the output of
+" the command, so it must not be used for sensitive commands.
+" Recognized keys are:
+" level - Debug level at which the commandline and output will be logged
+" args - Arguments to be given to g:GPGCommand
+"
+" Returns: command output
+"
+function s:GPGSystem(dict)
+  let commandline = s:GPGCommand
+  if (!empty(g:GPGHomedir))
+    let commandline .= ' --homedir ' . s:shellescape(g:GPGHomedir)
+  endif
+  let commandline .= ' ' . a:dict.args
+  let commandline .= ' ' . s:stderrredirnull
+  call s:GPGDebug(a:dict.level, "command: ". commandline)
+
+  call s:GPGPreCmd()
+  let output = system(commandline)
+  call s:GPGPostCmd()
+
+  call s:GPGDebug(a:dict.level, "rc: ". v:shell_error)
+  call s:GPGDebug(a:dict.level, "output: ". output)
+  return output
+endfunction
+
+" Function: s:GPGExecute(dict) {{{2
+"
+" run g:GPGCommand using :execute, logging the commandline
+" Recognized keys are:
+" level - Debug level at which the commandline will be logged
+" args - Arguments to be given to g:GPGCommand
+" ex - Ex command which will be :executed
+" redirect - Shell redirect to use, if needed
+"
+function s:GPGExecute(dict)
+  let commandline = printf('%s%s', a:dict.ex, s:GPGCommand)
+  if (!empty(g:GPGHomedir))
+    let commandline .= ' --homedir ' . s:shellescape(g:GPGHomedir, 1)
+  endif
+  let commandline .= ' ' . a:dict.args
+  if (has_key(a:dict, 'redirect'))
+    let commandline .= ' ' . a:dict.redirect
+  endif
+  let commandline .= ' ' . s:stderrredirnull
+  call s:GPGDebug(a:dict.level, "command: " . commandline)
+
+  call s:GPGPreCmd()
+  execute commandline
+  call s:GPGPostCmd()
+
+  call s:GPGDebug(a:dict.level, "rc: ". v:shell_error)
+endfunction
+
 " Function: s:GPGDebug(level, text) {{{2
 "
 " output debug message, if this message has high enough importance
@@ -1150,7 +1430,7 @@
   if exists("g:GPGDebugLevel") && g:GPGDebugLevel >= a:level
     if exists("g:GPGDebugLog")
       execute "redir >> " . g:GPGDebugLog
-      echom "GnuPG: " . a:text
+      silent echom "GnuPG: " . a:text
       redir END
     else
       echom "GnuPG: " . a:text


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