4 usage="Usage: $0 [-bc] [COMMAND [ARGS...]]"
7 case "${SHELL-/bin/sh}" in
11 force=nil chosen= commands=
12 while [ $# -gt 0 ]; do
14 -h | --help) echo "$usage"; exit 0 ;;
15 -c | --cshell | --tcsh) style=csh chosen=t ;;
16 -b | --bourne | --bash | --zsh) style=sh chosen=t ;;
17 -f | --force) force=t ;;
19 -*) echo >&2 "$usage"; exit 1 ;;
24 [ $# -gt 0 ] && style=commands
25 case $chosen,$style in
27 echo >&2 "$0: output style and commands? you're odd"
32 ## Some useful variables.
33 hostname=${HOST-$(hostname)}
34 user=${USER-${LOGNAME-$(id -un)}} uid=${UID-$(id -u)}
35 dir=$TMPDIR/.ssh-agent.$hostname.$user
36 socket=$dir/sock; pid=$dir/pid
39 ## Should I start a new agent?
43 case ${SSH_AUTH_SOCK+t} in
45 set +e; ssh-add -l >/dev/null 2>&1; rc=$?; set -e
46 if [ $rc -lt 2 ]; then foundp=t; fi
53 "$HOME/.cache/keyring-"*"/ssh" \
54 "/run/user/$uid/keyring/ssh" \
58 set +e; ssh-add -l >/dev/null 2>&1; rc=$?; set -e
59 if [ $rc -lt 2 ]; then foundp=t; break; fi
71 set +e; ssh-add -l >/dev/null 2>&1; rc=$?; set -e
72 if [ $rc -ge 2 ]; then
73 if [ -f "$pid" ]; then
74 kill $(cat "$pid") >/dev/null 2>&1 || :
76 rm -f "$socket" "$pid"
77 (cd /; exec ssh-agent -d -a "$socket" >/dev/null 2>&1)&
84 ### Run a program, or export the details
86 sh) echo "SSH_AUTH_SOCK='$SSH_AUTH_SOCK'; export SSH_AUTH_SOCK" ;;
87 csh) echo "setenv SSH_AUTH_SOCK '$SSH_AUTH_SOCK'" ;;
88 commands) exec "$@" ;;