load_launch_agent.sh

#!/usr/bin/env bash
# Run Jupyter Notebook as a service on macOS
# Based on https://gist.github.com/nathanielobrown/1614c1011d8eb5aad291fda7c60c5563

COMMAND=${1:-notebook}
PORT=${2:-8888}

JUPYTER=$(which jupyter)
# shellcheck disable=SC2016
[[ -s "$JUPYTER" ]] || (echo 'The "jupyter" command is not in your $PATH'; exit 1)

LABEL=org.jupyter.$COMMAND
PLIST="$HOME/Library/LaunchAgents/$LABEL.plist"
LOG="$HOME/Library/Logs/$LABEL.log"

echo "Writing $PLIST to run $JUPYTER"

# TODO: Password? Might be better to set independently
# See https://jupyter-notebook.readthedocs.io/en/stable/public_server.html
cat > "$PLIST" <<EOF
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
    <dict>
        <key>Label</key>
        <string>$LABEL</string>

        <key>ProgramArguments</key>
        <array>
            <string>$JUPYTER</string>
            <string>$COMMAND</string>
            <string>--no-browser</string>
            <string>--port</string>
            <string>$PORT</string>
        </array>

        <key>RunAtLoad</key>
        <true/>

        <key>KeepAlive</key>
        <true/>

        <key>WorkingDirectory</key>
        <string>$HOME</string>

        <key>StandardOutPath</key>
        <string>$LOG</string>

        <key>StandardErrorPath</key>
        <string>$LOG</string>
    </dict>
</plist>
EOF

if launchctl list | grep -q "$LABEL"; then
    echo Unloading "$LABEL"
    launchctl unload "$PLIST"
fi

echo Loading "$LABEL"
launchctl load "$PLIST"

echo Logging to "$LOG"
while ! [ -f "$LOG" ]; do
    sleep 1
done

echo

tail -n 20 -f "$LOG"