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36212: save and restore HISTNO along with other editor state, for sanity of "zle undo"

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This commit is contained in:
Barton E. Schaefer 2015-08-17 20:59:00 -07:00
parent 9a369d39e1
commit c239a7bd91
2 changed files with 10 additions and 3 deletions
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8
Functions/Zle/narrow-to-region
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@ -32,7 +32,7 @@ setopt localoptions noshwordsplit noksharrays
local _ntr_newbuf _ntr_lbuf_return _ntr_rbuf_return
local _ntr_predisplay=$PREDISPLAY _ntr_postdisplay=$POSTDISPLAY
integer _ntr_savelim=UNDO_LIMIT_NO _ntr_changeno
integer _ntr_savelim=UNDO_LIMIT_NO _ntr_changeno _ntr_histno=HISTNO
integer _ntr_start _ntr_end _ntr_swap _ntr_cursor=$CURSOR _ntr_mark=$MARK
integer _ntr_stat
@ -108,7 +108,7 @@ if [[ -n $_ntr_save || -z $_ntr_restore ]]; then
builtin typeset -ga $_ntr_save
set -A $_ntr_save "${_ntr_predisplay}" "${_ntr_postdisplay}" \
"${_ntr_savelim}" "${_ntr_changeno}" \
"${_ntr_start}" "${_ntr_end}" || return 1
"${_ntr_start}" "${_ntr_end}" "${_ntr_histno}" || return 1
fi
BUFFER=${BUFFER[_ntr_start+1,_ntr_end]}
@ -135,13 +135,15 @@ if [[ -n $_ntr_restore || -z $_ntr_save ]]; then
_ntr_savelim="${${(@P)_ntr_restore}[3]}"
_ntr_changeno="${${(@P)_ntr_restore}[4]}"
_ntr_start="${${(@P)_ntr_restore}[5]}"
_ntr_end="${${(@P)_ntr_restore}[6]}" }; then
_ntr_end="${${(@P)_ntr_restore}[6]}"
_ntr_histno="${${(@P)_ntr_restore}[7]}" }; then
zle -M Failed. >&2
return 1
fi
fi
_ntr_newbuf="$BUFFER"
HISTNO=_ntr_histno
zle undo $_ntr_changeno
PREDISPLAY=$_ntr_predisplay
POSTDISPLAY=$_ntr_postdisplay