1) grab an engineering mozilla-central build from pvtbuilds, for Hamachi 2) rename it to be "hamachi.zip" 3) put it in the same folder as this flash script 4) chmod +x new-flash.sh (or whatever you want to call the file) 5) ./new-flash.sh

new-flash.sh

#!/bin/bash -xe

wait_for_device() {
 SERIAL=MSM7627A
 DEVICE=05c6

# to break out if failed after so many tries.  
# RETRYTIME*MAXWAITTIME is how long the max wait time will be
 RETRYTIME=1
 MAXWAITTIME=60
 TRYCOUNT=0
 LOOP=true


 while  ${LOOP}; do
    ADB_OUTPUT="$(echo "$(adb devices)"|grep -Z ${SERIAL}|sed 's/\t/ /g')"
    LSB_OUTPUT='$(echo "$(lsusb)"|grep ${DEVICE})'

    if [[ ! ${ADB_OUTPUT} ]] && [[ ${LSB_OUTPUT} ]]; then
        echo "Restarting ADB server"
        $(adb kill-server)
        sleep 5
        ADB_OUTPUT="$(echo "$(adb devices)"|grep -Z ${SERIAL}|sed 's/\t/ /g')"
        sleep 15
    fi

    if [[ ${ADB_OUTPUT} ]]; then
      ADB_ONLINE="$(echo ${ADB_OUTPUT}|grep device)"

      if [[ ${ADB_ONLINE} ]]; then
        LOOP=false
        echo "'$(adb devices)'"
        adb shell 'i=1;
        retries=60
        while [ "$(getprop sys.boot_completed)" == "1" ]; do
          if (( i++ > ($retries - 1) )); then
    	    exit 1;
          fi;
          sleep 1;
        done'
      fi

    fi

    # Breakout if we tried too many times
    if [ ${TRYCOUNT} -ge ${MAXWAITTIME} ]; then
      LOOP=false
      echo "Max wait time reached!  Can't find device."
    fi

    sleep ${RETRYTIME};
    TRYCOUNT=$(( $TRYCOUNT + 1 ))
 done
}




# adb devices
# echo -e "\n\033[1;30mRestarting adb server\033[0m"
#adb kill-server
# adb start-server
# adb wait-for-device 
# adb shell 'i=1;
# retries=60
# while [ "$(getprop sys.boot_completed)" == "1" ]; do
#  if (( i++ > ($retries - 1) )); then
#  	exit 1;
#  fi;
#  sleep 1;
# done'

# sleep 30
# adb devices

wait_for_device

echo -e "\nShowing free space"
adb shell df

# clearing cache
# echo 'reboot into fastboot mode'
# adb reboot bootloader
# echo 'wait for the device'
# fastboot wait-for-device
# sleep 60
# fastboot devices
# echo 'clearing cache'
# fastboot erase cache
# sleep 20
# echo 'rebooting device'
# fastboot reboot
# waiting for the device
# echo 'Waiting for device...'
# adb wait-for-device

echo -e "\nUnzipping the distro"
unzip hamachi.zip
cd b2g-distro

echo -e "\nGaining root access"
adb root

echo -e "\nRemounting the system partition"
adb remount

echo -e "\nStopping b2g"
adb shell stop b2g

echo -e "\nDeleting battery charging status"
adb shell rm /system/bin/battery_charging 

echo -e "\nDeleting webapps"
adb shell rm -r /data/local/webapps
adb shell rm -r /system/b2g/webapps

echo -e "\nDeleting any old gaia and profiles"
adb shell rm -r /cache/*
adb shell rm -r /data/b2g/*
adb shell rm -r /data/local/user.js
adb shell rm -r /data/local/permissions.sqlite
adb shell rm -r /data/local/OfflineCache
adb shell rm -r /data/local/indexedDB
adb shell rm -r /data/local/debug_info_trigger
adb shell rm -r /data/local/storage/persistent/*
adb shell rm -r /data/misc/wifi/*
adb shell rm -r /data/local/svoperapps

echo -e "\nShowing free space"
adb shell df

echo -e "\nInstalling new b2g"
adb push b2g /system/b2g

echo -e "\nDone installing Gecko"

echo -e "\nUninstalling old RIL"
adb shell rm -r /system/b2g/distribution/bundles/libqc_b2g_location
adb shell rm -r /system/b2g/distribution/bundles/libqc_b2g_ril

echo -e "\nDeleting incompatible extensions"
adb shell rm -r /system/b2g/distribution/bundles/liblge_b2g_extension > /dev/null

cat gaia/profile/user.js | sed -e "s/user_pref/pref/" > user.js 

echo -e "\nRebooting to release space"

echo -e "Syncing"
adb shell sync
adb reboot
sleep 30

# adb wait-for-device 
# adb shell 'i=1;
# retries=60
# while [ "$(getprop sys.boot_completed)" == "1" ]; do
#  if (( i++ > ($retries - 1) )); then
#  	exit 1;
#  fi;
#  sleep 1;
# done'

# wait_for_device

echo -e "\nGaining root access"
adb root

echo -e "\nRemounting the system partition"
adb remount


echo -e "\nShowing free space"
adb shell df

# XXX - Fabrice's _awesome fix to stop b2g  -- to prevent a race condition -- below_
adb shell stop b2g

echo -e "\n\033[1;30mInstalling new gaia webapps\033[0m"
adb shell mkdir -p /system/b2g/defaults/pref
adb push gaia/profile/webapps /system/b2g/webapps
adb push user.js /system/b2g/defaults/pref
adb push gaia/profile/settings.json /system/b2g/defaults

# echo -e "\nRebooting"

adb shell reboot
sleep 30

# adb wait-for-device 
# adb shell 'i=1;
# retries=60
# while [ "$(getprop sys.boot_completed)" == "1" ]; do
#  if (( i++ > ($retries - 1) )); then
#  	exit 1;
#  fi;
#  sleep 1;
# done'

wait_for_device


echo -e "\nDone flashing"