Add admin script to silicon

boxes/silicon/admin

+#!/usr/bin/env bash
+# Do - The Simplest Build Tool on Earth.
+# Documentation and examples see https://github.com/8gears/do
+
+set -eu
+
+VERSION="0.0.1"
+
+SCRIPTNAME=`basename "$0"`
+BASEDIR=$(realpath $( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd ))
+
+if [ "$(id -u)" -ne 0 ]; then
+        echo 'This script must be run by root' >&2
+        exit 1
+fi
+
+_apt-get-install () {
+    DPKG=`dpkg -l`
+    packages=("$@")
+    for file in "${packages[@]}"; do
+        if ! echo "$DPKG" | grep -qF "$file"; then
+            apt-get install -y $@
+            break
+        fi
+    done
+}
+
+lid-off() {
+   echo Turning off lid-triggered sleep
+   mkdir -p /etc/systemd/logind.conf.d
+    pushd /etc/systemd/logind.conf.d
+    echo -e '[Login]\nHandleLidSwitch=ignore\nHandleLidSwitchExternalPower=ignore\nHandleLidSwitchDocked=ignore\nLidSwitchIgnoreInhibited=yes' > lid.conf
+    popd
+    systemctl reload systemd-logind
+}
+
+lid-on() {
+   echo Turning on lid-triggered sleep
+    rm /etc/systemd/logind.conf.d/lid.conf
+    systemctl reload systemd-logind
+}
+
+
+"$@" # <- execute the task
+[ "$#" -gt 0 ] || printf "Usage:\n\t./${SCRIPTNAME} %s\n" "($(compgen -A function | grep '^[^_]' | paste -sd '|' -))"