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51 lines
1.4 KiB
Bash
51 lines
1.4 KiB
Bash
#
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# Provides for an easier use of SSH by setting up ssh-agent.
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#
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# Authors:
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# Sorin Ionescu <sorin.ionescu@gmail.com>
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#
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# Return if requirements are not found.
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if (( ! $+commands[ssh-agent] )); then
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return 1
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fi
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# Set the path to the SSH directory.
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_ssh_dir="$HOME/.ssh"
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# Set the path to the environment file if not set by another module.
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_ssh_agent_env="${_ssh_agent_env:-${TMPDIR:-/tmp}/ssh-agent.env.$UID}"
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# Set the path to the persistent authentication socket.
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_ssh_agent_sock="${TMPDIR:-/tmp}/ssh-agent.sock.$UID"
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# Start ssh-agent if not started.
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if [[ ! -S "$SSH_AUTH_SOCK" ]]; then
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# Export environment variables.
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source "$_ssh_agent_env" 2> /dev/null
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# Start ssh-agent if not started.
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if ! ps -U "$LOGNAME" -o pid,ucomm | grep -q -- "${SSH_AGENT_PID:--1} ssh-agent"; then
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eval "$(ssh-agent | sed '/^echo /d' | tee "$_ssh_agent_env")"
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fi
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fi
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# Create a persistent SSH authentication socket.
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if [[ -S "$SSH_AUTH_SOCK" && "$SSH_AUTH_SOCK" != "$_ssh_agent_sock" ]]; then
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ln -sf "$SSH_AUTH_SOCK" "$_ssh_agent_sock"
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export SSH_AUTH_SOCK="$_ssh_agent_sock"
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fi
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# Load identities.
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if ssh-add -l 2>&1 | grep -q 'The agent has no identities'; then
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zstyle -a ':prezto:module:ssh:load' identities '_ssh_identities'
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if (( ${#_ssh_identities} > 0 )); then
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ssh-add "$_ssh_dir/${^_ssh_identities[@]}" 2> /dev/null
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else
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ssh-add 2> /dev/null
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fi
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fi
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# Clean up.
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unset _ssh_{dir,identities} _ssh_agent_{env,sock}
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