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Message-ID:	<006601c3303b$4cd0c560$78d96f83@pomello>
From:	"Max Bowsher" <maxb AT ukf DOT net>
To:	<matt AT mattflo DOT com>, <cygwin AT cygwin DOT com>
References:	<20030611165402 DOT 38063 DOT qmail AT web14903 DOT mail DOT yahoo DOT com>
Subject:	Re: Processes are unable to fully discard their controlling terminal
Date:	Wed, 11 Jun 2003 18:02:54 +0100
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Some time ago I (Max Bowsher) wrote:
> I can now successfully share an ssh-agent between all
> my shells, with it
> starting with the first one, and ending with the last,
> and no zombie windows
> if I end shells in the wrong order.

Matt wrote:
> I would like ssh-agent to function like you say it is
> for you... but i can't understand what you did besides
> obtain the latest versions which i should have..  what
> else do i need to do?

Some shell scripting.

Attached are the shell scripts I *source* from my .bash_profile and
.bash_logout.

It's not a perfect system (if a shell is killed in such a way that
.bash_logout doesn't execute, an agent process can remain), but it seems to
work well for the most part.



Max.

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	name="agent_refcount_start"
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	filename="agent_refcount_start"

#########################################################################=
#######=0A=
# vim:ft=3Dsh:sw=3D2:=0A=
=0A=
if [ -x "`type -p ssh-agent`" ]; then=0A=
=0A=
  SESSION_ID=3D${1:-$$}=0A=
  SSH_ENV=3D"$HOME/.ssh/environment"=0A=
  SSH_ENV_LOCK=3D"${SSH_ENV}.inuseby.${SESSION_ID}"=0A=
  SSH_ENV_LOCK_PATTERN=3D"${SSH_ENV}.inuseby.*"=0A=
=0A=
  function start_agent=0A=
  {=0A=
    rm -f "${SSH_ENV}"=0A=
    echo -n "Initialising new SSH agent... "=0A=
    ssh-agent > "${SSH_ENV}"=0A=
    . "${SSH_ENV}"=0A=
    rm -f ${SSH_ENV_LOCK_PATTERN}=0A=
    touch "${SSH_ENV_LOCK}"=0A=
  }=0A=
=0A=
  # Source SSH settings, if applicable=0A=
=0A=
  if [ -f "${SSH_ENV}" ]; then=0A=
    echo -n "Connecting with running SSH agent... "=0A=
    . "${SSH_ENV}"=0A=
    if kill -0 "${SSH_AGENT_PID}"; then=0A=
      touch "${SSH_ENV_LOCK}"=0A=
    else=0A=
      start_agent=0A=
    fi=0A=
  else=0A=
    start_agent=0A=
  fi=0A=
=0A=
  echo=0A=
=0A=
fi=0A=
=0A=
#########################################################################=
#######=0A=

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	name="agent_refcount_stop"
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	filename="agent_refcount_stop"

#########################################################################=
#######=0A=
# vim:ft=3Dsh:sw=3D2:=0A=
=0A=
if [ -x "`type -p ssh-agent`" ]; then=0A=
=0A=
  SSH_ENV=3D"$HOME/.ssh/environment"=0A=
  SSH_ENV_LOCK=3D"${SSH_ENV}.inuseby.$$"=0A=
  SSH_ENV_LOCK_PATTERN=3D"${SSH_ENV}.inuseby.*"=0A=
=0A=
  if [ -a "${SSH_ENV_LOCK}" ]; then=0A=
    rm -f "${SSH_ENV_LOCK}"=0A=
    shopt -s nullglob=0A=
    if [ -z "`eval echo "${SSH_ENV_LOCK_PATTERN}"`" ]; then=0A=
      eval `ssh-agent -k`=0A=
      rm -f "${SSH_ENV}"=0A=
    fi=0A=
  fi=0A=
=0A=
fi=0A=
=0A=
#########################################################################=
#######=0A=


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