pm-flash

#!/bin/bash
set -ex

# The job of flashtool is to,
# - detect which device is connected
# - download files for specific device
# - install the recovery
# - install the Plasma rootfs
# - reboot

CACHEDIR=cache

#wait until we get a working adb shell, meaning the device is in normal or recovery mode
wait_for_device() {
    while test -z "$(adb shell echo '1' 2>/dev/null)"
    do
        echo -n ".";
        sleep 3;
    done
    echo
}

confirm()
{
# call with a prompt string or use a default
    read -r -p "${1:-Are you sure? [y/N]} " response
        case $response in
        [yY][eE][sS]|[yY])
        true
            ;;
    *)
        false
        ;;
    esac
}

download()
{
    # If no device name was supplied just bail out
    if [ $# -eq 0 ]; then
        echo "No device name was supplied to download, this is fatal error"
        exit 1
    fi

    # Cleanup
    mkdir -p $CACHEDIR/ && pushd $CACHEDIR/

    echo "Downloading latest rootfs ... "
    if [ "$2" == "neon" ]; then
        ROOTFS_VERSION=`curl https://images.plasma-mobile.org/rootfs_stamp 2> /dev/null`
        wget -c "https://images.plasma-mobile.org/rootfs/pm-rootfs-$ROOTFS_VERSION.tar.gz" -P rootfs
        ln -sf rootfs/pm-rootfs-$ROOTFS_VERSION.tar.gz pm-rootfs-latest.tar.gz
    fi
    if [ "$2" == "arch" ]; then
        ROOTFS_VERSION=`curl https://images.plasma-mobile.org/arch_rootfs_stamp 2> /dev/null`
        wget -c "https://images.plasma-mobile.org/arch-rootfs/pm-rootfs-$ROOTFS_VERSION.tar.gz" -P rootfs
        ln -sf rootfs/pm-rootfs-$ROOTFS_VERSION.tar.gz pm-rootfs-latest.tar.gz
    fi
    if [ "$2" == "edge" ]; then
        ROOTFS_VERSION=`curl https://images.plasma-mobile.org/edge_rootfs_stamp 2> /dev/null`
        wget -c "https://images.plasma-mobile.org/edge-rootfs/pm-rootfs-$ROOTFS_VERSION.tar.gz" -P rootfs
        ln -sf rootfs/pm-rootfs-$ROOTFS_VERSION.tar.gz pm-rootfs-latest.tar.gz
    fi
    echo "[done]"

    # This will change in future
    echo "Downloading the latest boot, recovery, and system images  ... "
    HALIUM_VERSION=`curl https://images.plasma-mobile.org/halium/$1/halium_stamp 2> /dev/null`
    wget -c "https://images.plasma-mobile.org/halium/$1/recovery.img" -P $1
    wget -c "https://images.plasma-mobile.org/halium/$1/$HALIUM_VERSION/system.img" -P $1/$HALIUM_VERSION
    wget -c "https://images.plasma-mobile.org/halium/$1/$HALIUM_VERSION/boot.img" -P $1/$HALIUM_VERSION
    rm -f $1/latest
    ln -sf $HALIUM_VERSION $1/latest
    echo "[done]"

    popd
}

flash-phone()
{
    # If no device name was supplied just bail out
    if [ $# -eq 0 ]; then
        echo "No device name was supplied to flash-phone, this is fatal error"
        exit 1
    fi

    echo -n "Flashing recovery image ... "
    fastboot flash recovery $CACHEDIR/$1/recovery.img 2> /dev/null
    echo -n "[done]"

    fastboot boot $CACHEDIR/$1/recovery.img
    wait_for_device
    ./rootstock-touch-install `readlink -f $CACHEDIR/pm-rootfs-latest.tar.gz` $CACHEDIR/$1/latest/system.img $CACHEDIR/$1/latest/boot.img
}

echo "Waiting for device to be in the fastboot mode"
fastboot getvar product

DEVICE_NAME=`fastboot getvar product 2>&1 | head -1 | awk -F': ' '{print $2}'`
confirm "Connected device is $DEVICE_NAME, is that correct? [y/N]" || exit 1

PLATFORM="neon"

echo "Continuing ..."

while getopts "cp:" opt; do
  case $opt in
    c)
	  echo "Option provided to use cache, not downloading files again"
	  NOCACHE=1
      ;;
    p)
      PLATFORM="$OPTARG"
      ;;
    \?)
      echo "Invalid option: -$OPTARG" >&2
      exit 1
      ;;
  esac
done

if [ -z "$NOCACHE" ]; then
	download $DEVICE_NAME $PLATFORM
fi

flash-phone $DEVICE_NAME