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encoreshao/add_ssh_key.sh

Last active September 12, 2025 14:45
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Add Custom Loaded Agents on MacOS
Raw
add_ssh_key.sh
#!/usr/bin/expect -f
# SHELL path /Users/encore/.scripts/startup/add_ssh_key.sh
# Path to your SSH key
set ssh_key "$env(HOME)/.ssh/id_ed25519"
# Check if the key exists
if {![file exists $ssh_key]} {
puts "SSH key not found at $ssh_key"
exit 1
}
# Add the key to ssh-agent
spawn ssh-add $ssh_key
expect "Enter passphrase for $ssh_key:"
send "mypassword\r"
expect eof
Raw
com.user.ssh-add.plist
<!-- ~/Library/LaunchAgents/com.user.ssh-add.plist -->
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>Label</key>
<string>com.user.ssh-add</string>
<key>ProgramArguments</key>
<array>
<string>/Users/encore/.scripts/startup/add_ssh_key.sh</string>
</array>
<key>RunAtLoad</key>
<true/>
<key>StandardErrorPath</key>
<string>/tmp/ssh-add.err</string>
<key>StandardOutPath</key>
<string>/tmp/ssh-add.out</string>
</dict>
</plist>
@encoreshao
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encoreshao commented Sep 12, 2025

Launchd it

launchctl load ~/Library/LaunchAgents/com.user.ssh-add.plist

It will run every time you log in.

List Loaded Agents

launchctl list | grep ssh-add

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