From: Klemens Nanni <kn@openbsd.org>
Subject: Re: Allow autoinstall response file to select default answer
To: tech@openbsd.org, obsd@mulh.net
Date: Mon, 05 Oct 2026 06:15:27 +0000

5 октября 2026 г. 03:19:56 GMT+03:00, obsd@mulh.net пишет:
>install.sub currently ignores "key=" (no value part) lines in the
>response file.  Make it so a blank value selects the default answer.

How does this behave for questions without default where non-empty
values are required?

>This would allow for example:
>  Location of sets = cd
>  Pathname to the sets =

>RCS file: /cvs/src/distrib/miniroot/install.sub,v
>diff -u -p -u -r1.1292 install.sub
>--- install.sub	19 Sep 2026 19:52:10 -0000	1.1292
>+++ install.sub	4 Oct 2026 22:55:49 -0000
>@@ -740,11 +740,16 @@ _autorespond() {
> 
> 	mv /tmp/ai/ai.conf /tmp/ai/ai.conf.tmp
> 	while IFS=' 	' read -r _l; do
>-		[[ $_l == [!#=]*=?* ]] || continue
>+		[[ $_l == [!#=]*=* ]] || continue
> 		_key=${_l%%*([[:blank:]])=*}
> 		_val=${_l##*([!=])=*([[:blank:]])}
> 		[[ $_q == @(|*[[:blank:]])"$_key"@([[:blank:]?]*|) ]] &&
>-			resp=$_val && cat && return
>+			resp=$_val && cat &&
>+				if [[ -n $resp ]] then
>+					return
>+				else
>+					break
>+				fi
> 		print -r " $_l"
> 	done </tmp/ai/ai.conf.tmp >/tmp/ai/ai.conf
> 	[[ -n $_def ]] && resp=$_def && return
>