Created
February 13, 2015 05:57
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ssh-agent
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# Note: ~/.ssh/environment should not be used, as it | |
# already has a different purpose in SSH. | |
env=~/.ssh/agent.env | |
# Note: Don't bother checking SSH_AGENT_PID. It's not used | |
# by SSH itself, and it might even be incorrect | |
# (for example, when using agent-forwarding over SSH). | |
agent_is_running() { | |
if [ "$SSH_AUTH_SOCK" ]; then | |
# ssh-add returns: | |
# 0 = agent running, has keys | |
# 1 = agent running, no keys | |
# 2 = agent not running | |
ssh-add -l >/dev/null 2>&1 || [ $? -eq 1 ] | |
else | |
false | |
fi | |
} | |
agent_has_keys() { | |
ssh-add -l >/dev/null 2>&1 | |
} | |
agent_load_env() { | |
. "$env" >/dev/null | |
} | |
agent_start() { | |
(umask 077; ssh-agent >"$env") | |
. "$env" >/dev/null | |
} | |
if ! agent_is_running; then | |
agent_load_env | |
fi | |
# if your keys are not stored in ~/.ssh/id_rsa.pub or ~/.ssh/id_dsa.pub, you'll need | |
# to paste the proper path after ssh-add | |
if ! agent_is_running; then | |
agent_start | |
ssh-add | |
elif ! agent_has_keys; then | |
ssh-add | |
fi | |
unset env |
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