Homebrew Autoupdate for macOS

com.homebrew.update.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.homebrew.update</string>
        <key>ProcessType</key>
        <string>Background</string>
        <key>ProgramArguments</key>
        <array>
            <string>bash</string>
            <string>-c</string>
            <string>/usr/local/bin/brew update &amp;&amp; /usr/local/bin/terminal-notifier -title 'Homebrew Updater' -message 'Homebrew updated!' -appIcon https://raw.githubusercontent.com/Homebrew/brew.sh/master/assets/img/brew.png</string>
        </array>
        <key>RunAtLoad</key>
        <true />
        <key>StandardErrorPath</key>
        <string>/tmp/com.homebrew.update.stderr</string>
        <key>StandardOutPath</key>
        <string>/tmp/com.homebrew.update.stdout</string>
        <key>StartCalendarInterval</key>
        <array>
            <dict>
                <key>Hour</key>
                <integer>8</integer>
            </dict>
        </array>
    </dict>
</plist>