bug#59838: 30.0.50; [PATCH] Save history in GDB session

[Manuel Giraud]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Manuel Giraud <manuel@ledu-giraud.fr>
>> Date: Mon, 05 Dec 2022 17:53:06 +0100
>> 
>> I'm not really an expert in gdb (and comint-mode) but it seems that 'M-x
>> gdb' does not save its history.  Here is a patch that fix this.
>
> GDB has its own history feature, activated by the GDB command "set history
> save on".  If the GDB history file is detected when "M-x gdb" starts, it
> will read the history and fill comint-input-ring with what it finds there.
> See the function 'gdb' in gdb-mi.el.
>
> So I think this is already covered, or what did I miss?

I already have this in my ~/.gdbinit:
--8<---------------cut here---------------start------------->8---
set history save on
set history size 1024
add-auto-load-safe-path /home/manuel/emacs-repo/src/.gdbinit
--8<---------------cut here---------------end--------------->8---

When debugging emacs from 'M-x gdb', gdb does create a file
"/home/manuel/emacs-repo/src/.gdb_history" but it always stays empty
even when I "quit" from the *gud-emacs* buffer.
-- 
Manuel Giraud