Re: INTERACTIVE_COMMENTS regression

[İsmail Dönmez <ismail@xxxxxxxx>]

On Wed, Jan 24, 2018 at 3:21 PM, Peter Stephenson
<p.stephenson@xxxxxxxxxxx> wrote:
> On Wed, 24 Jan 2018 14:50:23 +0100
> İsmail Dönmez <ismail@xxxxxxxx> wrote:
>> With the latest git head:
>>
>> ~ > setopt INTERACTIVE_COMMENTS
>> ~ > # ls
>> <Press up arrow in keyboard>
>> ~ > setopt INTERACTIVE_COMMENT
>>
>> Looks like comment is getting lost, tested the same config with zsh
>> 5.3.1 and it works fine.
>
> This isn't particularly elegant but it ought to do the trick.
> (Although when I commit it I might change the name of the
> variable to "hist_keep_comment" for clarity, come to think of it.)
>
> pws
>
>
> diff --git a/Src/hist.c b/Src/hist.c
> index e08984f..76c3df4 100644
> --- a/Src/hist.c
> +++ b/Src/hist.c
> @@ -204,6 +204,9 @@ int hlinesz;
>
>  static zlong defev;
>
> +/* Flag that line was aborted but we want to keep it even if no words */
> +static int hist_aborted;
> +
>  /* Remember the last line in the history file so we can find it again. */
>  static struct histfile_stats {
>      char *text;
> @@ -258,6 +261,7 @@ hist_context_save(struct hist_stack *hs, int toplevel)
>      hs->addtoline = addtoline;
>      hs->hlinesz = hlinesz;
>      hs->defev = defev;
> +    hs->hist_aborted = hist_aborted;
>      /*
>       * We save and restore the command stack with history
>       * as it's visible to the user interactively, so if
> @@ -303,6 +307,7 @@ hist_context_restore(const struct hist_stack *hs, int toplevel)
>      addtoline = hs->addtoline;
>      hlinesz = hs->hlinesz;
>      defev = hs->defev;
> +    hist_aborted = hs->hist_aborted;
>      if (cmdstack)
>         zfree(cmdstack, CMDSTACKSZ);
>      cmdstack = hs->cstack;
> @@ -1462,7 +1467,7 @@ hend(Eprog prog)
>             } else
>                 save = 0;
>         }
> -       if (chwordpos <= 2)
> +       if (chwordpos <= 2 && !hist_aborted)
>             save = 0;
>         else if (should_ignore_line(prog))
>             save = -1;
> @@ -1565,6 +1570,7 @@ hend(Eprog prog)
>       */
>      while (histsave_stack_pos > stack_pos)
>         pophiststack();
> +    hist_aborted = 0;
>      unqueue_signals();
>      return !(flag & HISTFLAG_NOEXEC || errflag);
>  }
> @@ -1591,6 +1597,7 @@ ihwabort(void)
>  {
>      if (chwordpos%2)
>         chwordpos--;
> +    hist_aborted = 1;
>  }
>
>  /* add a word to the history List */
> diff --git a/Src/zsh.h b/Src/zsh.h
> index ba2f8cd..8bc0125 100644
> --- a/Src/zsh.h
> +++ b/Src/zsh.h
> @@ -2997,6 +2997,7 @@ struct hist_stack {
>      void (*addtoline) _((int));
>      unsigned char *cstack;
>      int csp;
> +    int hist_aborted;
>  };
>
>  /*

That fixes the problem, thanks!

ismail