Hi,
On Thu, Mar 21, 2019 at 23:19 +0100, otheus uibk wrote:
> 3. A feature I sorely miss is the ability to trigger an action on
> re-attach. As a partial solution, I can exploit the SIGWINCH-on-resize
> behavior to do this, but I must pick up the mouse and resize the screen
> (horrors!) on my graphical terminal window. The motivation for having this
> is to trigger updates to shell environment variables which point to
> authentication agents, such as gpg-agent and ssh-agent and X11-forwarding
> stuff. If this feature already exists, can someone tell me the earliest
> version?
Interesting idea to have screen actually trigger it - I have tackled
that environment problem in a similar way, by (mis-)using sigINFO and
having a shell alias to trigger it. It's definitely zsh-specific, but
should be adaptable. ",," needs to be run before attaching the screen,
of course.
function ,, () {
{
local vars=''
for a in TERM DISPLAY SSH_AUTH_SOCK SSH_CONNECTION XAUTHORITY ; do
if [ -z "${(P)a}" ] ; then
echo "unset $a"
else
echo "$a=\"${(P)a}\""
vars=($vars $a)
fi
done
[ ! -z "$vars" ] && echo "export $vars"
} > ~/.,
kill -INFO `ps auxww| perl -anle '$F[0] eq $ENV{USER} && "@F[10..$#F]"
=~ /zsh$/ && "/dev/tty$F[6]" ne "'$TTY'" && print $F[1]'`
source ~/.,
}
sigINFOd=0
TRAPINFO () {
up=$(tput up 2>/dev/null || tput cuu1 )
if [[ -o zle ]] ; then
zle -I
if [[ "$sigINFOd" == "1" ]] ; then
echo -n $up$up
fi
. ~/.,
echo "INFO: TERM=$TERM DISPLAY=$DISPLAY zle<"
sigINFOd=1
else
if [[ "$sigINFOd" == "1" ]] ; then
echo -n $up
fi
. ~/.,
echo -n "INFO: TERM=$TERM DISPLAY=$DISPLAY nozle<\r"
fi
}
precmd(){
sigINFOd=0
}
CU,
Sec
--
[ Recovering from a root breakin - someone says to cvsup and make world ]
Brandon S. Allbery: Not if cvsup itself has been trojaned.
John Polstra: Cool, that would be one of the first code contributions
ever for CVSup. :-)
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