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Date: Fri, 11 Feb 2011 08:26:13 -0800
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Subject: =?windows-1252?Q?Re=3A_How_can_I_maintain_my_last_command=92s_exit=2Dstat?=
	=?windows-1252?Q?us_while_resetting_my_prompt_in_ZSH=3F?=
From: Bart Schaefer <schaefer@brasslantern.com>
To: Elliott Cable <me@ell.io>
Cc: zsh-users@zsh.org
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On Thu, Feb 10, 2011 at 10:03 PM, Elliott Cable <me@ell.io> wrote:
>
> The problem: When the keymap changes (that is, when I toggle through
> the =93command=94 and =93insert=94 modes using, as an example, `a` and th=
en
> the escape key, the `$?` exit-status is overtrodden with a successful
> `0` status, thus causing the prompt to display in green instead of red
> (even if the previous command failed). How can I save or set the
> prompt such that the `%(?|=85|=85)` portions of `$PS1` will properly
> display the exit status of the *last command sent to the shell*?

This was fixed in July 2010, so eventually you won't need to do anything:

        * users/15217: Src/Zle/zle_main.c: use top-level status
        when redrawing prompt.

In the meantime, try this:

   function zle-keymap-select {
     local Q=3D$?
     psvar[1]=3D"${${KEYMAP/(main|viins)/>}/vicmd/}"
     (return $Q)
     zle reset-prompt
     psvar[1]=3D""
   }

If your zsh is recent enough to have anonymous functions, you can replace
the subshell (return $Q) with (){ return $Q }.