4 agenteval=/tmp/.$USER.ssh-agent.eval
5 if lockfile -1 -r 3 -l 10 -s 1 $agenteval.lock;then
6 test -f $agenteval -a -O $agenteval -a -G $agenteval &&
7 # ">/dev/null" to prevent: echo Agent pid 31074;
8 source $agenteval >/dev/null
9 if [ "ssh-agent" != "`(xargs -0 </proc/"$SSH_AGENT_PID"/cmdline sh -c 'echo "$0"') 2>/dev/null `" ];then
11 (test ! -e $agenteval && ssh-agent -s >$agenteval) || echo >&2 'Failing ssh-agent!'
12 # ">/dev/null" to prevent: echo Agent pid 31074;
13 source $agenteval >/dev/null
17 for key in $HOME/.ssh/id_dsa;do
18 # Prevent gdm(8) lockups on non-interactive consoles.
20 (ssh-add -l|grep -qw "$key") && continue
21 if lockfile -! -1 -r 0 $agenteval.input.lock 2>/dev/null;then
22 echo >&2 -n "Locking: $agenteval.input.lock ... "
23 lockfile -1 -r -1 $agenteval.input.lock
26 # Recheck identity existence after the lock acquire
27 if ssh-add -l|grep -qw "$key";then
28 echo >&2 "Identity $key already appended in the meantime."
30 # "2>/dev/null" to prevent: Identity added: .ssh/id_dsa (.ssh/id_dsa)
31 ssh-add "$key" 2>/dev/null
33 rm -f $agenteval.input.lock
34 echo >&2 "$agenteval.input.lock unlocked."