Update power.sh

#!/usr/bin/env bash

set -Eeuo pipefail

: "${API_TIMEOUT:="50"}"   # API Call timeout

: "${QEMU_TIMEOUT:="50"}"  # QEMU Termination timeout

: "${SHUTDOWN:="Y"}"        # Graceful ACPI shutdown

: "${TIMEOUT:="115"}"       # QEMU termination timeout

: "${API_TIMEOUT:="100"}"   # Single API call timeout

# Configure QEMU for graceful shutdown

API_CMD=6

API_HOST="127.0.0.1:$COM_PORT"

QEMU_END="$QEMU_DIR/qemu.end"

# Configure QEMU for graceful shutdown

if [[ "$KVM" == [Nn]* ]]; then

  API_TIMEOUT=$(( API_TIMEOUT*2 ))

  QEMU_TIMEOUT=$(( QEMU_TIMEOUT*2 ))

fi

QEMU_END="$QEMU_DIR/qemu.end"

_trap() {

  local func="$1"; shift

  local sig

  TRAP_PID=$BASHPID

  for sig; do

    trap "$func $sig" "$sig"

  done

}

finish() {

  local pid