power_manager : Allow nocrit use flag to disable low batt shutdown.

chromeos-base/power_manager/power_manager-9999.ebuild

 # Copyright (c) 2009 The Chromium OS Authors. All rights reserved.
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=2
 
 inherit cros-debug cros-workon toolchain-funcs
 
 DESCRIPTION="Power Manager for Chromium OS"
 HOMEPAGE="http://src.chromium.org"
 LICENSE="BSD"
 SLOT="0"
-IUSE="-new_power_button test -lockvt -touchui"
+IUSE="-new_power_button test -lockvt -touchui -nocrit"
 KEYWORDS="~amd64 ~arm ~x86"
 
 RDEPEND="chromeos-base/libcros
         chromeos-base/metrics
         dev-cpp/gflags
         dev-cpp/glog
         x11-base/xorg-server
         x11-libs/gtk+
         x11-libs/libX11
         x11-libs/libXext"
@@ skipping 92 matching lines @@
                 sed -i -e "/NAME=/s/=.*/=${LIGHT_SENSOR_NAME:-tsl2563}/" \
                         -e "/BUS=/s/=.*/=${LIGHT_SENSOR_BUS:-2}/" \
                         -e "/ADDRESS=/s/=.*/=${LIGHT_SENSOR_ADDRESS:-0x29}/" \
                         "${D}/lib/udev/light-sensor-install.sh"
         fi
 
         # Install light sensor udev rules
         insinto "/etc/udev/rules.d"
         doins "${S}/99-light-sensor.rules"
 
+        # Nocrit disables low battery suspend percent by setting it to 0
+        if use nocrit; then
+                crit="usr/share/power_manager/low_battery_suspend_percent"
+                if [ ! -e "${D}/${crit}" ]; then
+                        die "low_battery_suspend_percent config file missing"
+                fi
+                echo "0" > "${D}/${crit}"
+        fi
+
         if use touchui; then
                 if [ ! -e "${D}/usr/share/power_manager/use_lid" ]; then
                         die "use_lid config file missing"
                 fi
                 echo "0" > "${D}/usr/share/power_manager/use_lid"
         fi
 }