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From: Bart Schaefer <schaefer@brasslantern.com>
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Date: Wed, 27 Nov 2013 17:05:53 -0800
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To: zsh-users@zsh.org
Subject: Re: shared history but recalling history in current terminal
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On Nov 27,  8:08pm, Ren=E9 'Necoro' Neumann wrote:
> Subject: Re: shared history but recalling history in current terminal
>
> Am 27.11.2013 09:02, schrieb Bart Schaefer:
> >=20
> > zle-line-init() { zle set-local-history 1 }
> > zle -N zle-line-init
> >=20
> > zle-keymap-select() {
> >     [[ $KEYMAP =3D isearch ]]
> >     zle set-local-history $?
> > }
> > zle -N zle-keymap-select
>=20
> Unfortunately, this seems only to work when not doing a 'RETURN' without
> command in a session

Hmm.  The behavior you are describing would seem to imply either that
you've omitted the "1" argument to set-local-history, or that it is
being ignored and set-local-history is simply toggling the state each
time it is called.

And indeed GDB confirms that passing the argument does not have the
expected effect.

Workaround is:

    zle-line-init() { NUMERIC=3D1 zle set-local-history }
    zle-keymap-select() {
      [[ $KEYMAP =3D isearch ]]
      NUMERIC=3D$? zle set-local-history
    }

The documentation says "set it with the numeric argument" so I'm not sure
if this is just Wayne's misunderstanding or if zle_hist.c needs a patch.