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#!/bin/bash

# Yocto ADT Installer
#
# Copyright 2010-2011 by Intel Corp.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy 
# of this software and associated documentation files (the "Software"), to deal 
# in the Software without restriction, including without limitation the rights 
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
# copies of the Software, and to permit persons to whom the Software is 
# furnished to do so, subject to the following conditions:

# The above copyright notice and this permission notice shall be included in 
# all copies or substantial portions of the Software.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 
# THE SOFTWARE.

parse_config()
{
  INST_ARCH=`uname -m`

  case $INST_ARCH in 
  i[3-6]86)
    OPKG_CONFIG_FILE=$YOCTOADT_OPKG_CONF_FILE_32
    OECORE_NATIVE_SYSROOT="$INSTALL_FOLDER/sysroots/$INST_ARCH$SDK_VENDOR-linux/"
    ;;
  x86_64)
    OPKG_CONFIG_FILE=$YOCTOADT_OPKG_CONF_FILE_64
    OECORE_NATIVE_SYSROOT="$INSTALL_FOLDER/sysroots/x86_64$SDK_VENDOR-linux/"
    ;;
  *)
    echo_info "[ADT_INST] Error: Installation Machine is not supported!"
    exit -1
    ;;
  esac
}

get_sudo_app()
{
  username=$(id -nu)

  # find the owner of the parent
  dir=$1
  while [ 1 ]; do
      if [ -d $dir ]; then
          owner=$(stat -c %U $dir)
          break
     else
          dir=$(dirname $dir)
     fi
  done

  if [ "$owner" = "$username" ]; then
      true
  else
      echo sudo
  fi
}


#let us install a qemu-native firstly
#installation step 2
install_native_sdk()
{

echo_info "\nStart installing selected native ADT for archs: $YOCTOADT_TARGETS..."

# where the packages are installed.
NATIVE_INSTALL_DIR=$INSTALL_FOLDER

if [ -d "$INSTALL_FOLDER" ]; then
  echo_info "\nNative ADT installation directory \"$INSTALL_FOLDER\" already exists! Continue installation will override its contents!"
  confirm_install $1
fi

#Now begin to install native sdk and extract qemu rootfs which needs privilege rights
#depending on the install location
SUDO=$(get_sudo_app $NATIVE_INSTALL_DIR)
if [ -n "$SUDO" ]; then
  echo_info "#######################################################################"
  echo_info "Please note from this point on installation requires sudo password ..."
  echo_info "#######################################################################"
fi

#we need to make this directory firstly since opkg need to use it.
OPKG_LOCK_DIR="$NATIVE_INSTALL_DIR/$OPKG_LIBDIR/opkg"
if [ ! -d "$OPKG_LOCK_DIR" ]; then
  $SUDO mkdir -p $OPKG_LOCK_DIR
  echo_info "Successfully create directory $OPKG_LOCK_DIR. "
#if user delete /opt/xxx, while dangling folders there, report error
elif [ ! -d "$INSTALL_FOLDER" ]; then
  echo_info "\nDangling opkg cache folder $OPKG_LOCK_DIR detected. Continue installation will remove the folder!"
  confirm_install $1
  $SUDO rm -rf $OPKG_LOCK_DIR
  $SUDO mkdir -p $OPKG_LOCK_DIR
#if user are updating installing, just let him/her go, give her/him prompt
else
  echo_info "ADT has already been installed. Will update its contents..."
fi

#first update repository
if [ "x$SUDO" = "x" ]; then
    OPKG_CMD="$LOCAL_OPKG_LOC/bin/opkg-cl"
else
    OPKG_CMD="sudo -E $LOCAL_OPKG_LOC/bin/opkg-cl"
fi

echo_info "Updating opkg..."
$OPKG_CMD -f $OPKG_CONFIG_FILE -o $NATIVE_INSTALL_DIR update &>> $YOCTOADT_INSTALL_LOG_FILE
echo_info "opkg update process ended..."
check_result

#install below must sdk-host packages
OPKG_INSTALL_CMD="$OPKG_CMD "
OPKG_INSTALL_NATIVE_CMD="$OPKG_INSTALL_CMD  --force-overwrite -f $OPKG_CONFIG_FILE -o $NATIVE_INSTALL_DIR install"

BASE_HOSTSDK_PKGNAMES="pseudo opkg pkgconfig libtool autoconf automake"
for pkg in $BASE_HOSTSDK_PKGNAMES; do
  echo_info "Installing ${pkg} nativesdk ...\n"
  $OPKG_INSTALL_NATIVE_CMD nativesdk-${pkg} &>> $YOCTOADT_INSTALL_LOG_FILE
  check_result
done

for target_type in $YOCTOADT_TARGETS; do
  machine_var="\$YOCTOADT_TARGET_MACHINE_$target_type"
  machine=`eval echo $machine_var`
  echo_info "Installing cross canadian packages for $machine ..."
  $OPKG_INSTALL_NATIVE_CMD packagegroup-cross-canadian-$machine &>> $YOCTOADT_INSTALL_LOG_FILE
  check_result
done

if [ "$YOCTOADT_QEMU" == "Y" ] || [ "$YOCTOADT_QEMU" = "y" ]; then
  echo_info "\nInstalling qemu native ..."
  $OPKG_INSTALL_NATIVE_CMD nativesdk-qemu &>> $YOCTOADT_INSTALL_LOG_FILE
  check_result
  $OPKG_INSTALL_NATIVE_CMD nativesdk-qemu-helper &>> $YOCTOADT_INSTALL_LOG_FILE
  check_result
fi

if [ "$YOCTOADT_NFS_UTIL" == "Y" ] || [ "$YOCTOADT_NFS_UTIL" == "y" ]; then
  echo_info "\nInstalling unfs ..."
  $OPKG_INSTALL_NATIVE_CMD nativesdk-unfs-server &>> $YOCTOADT_INSTALL_LOG_FILE
  check_result
fi

# Lose the ./opt/${DISTRO}/${SDK_VERSION} part, we don't really need to keep
# the entire directory structure. We could patch opkg to do that but it's far
# simpler to do that here and achieve the same result.
# This is done in two steps:
if [ -d $NATIVE_INSTALL_DIR/$DEFAULT_INSTALL_FOLDER ]; then
    # Step 1: copy ./opt/${DISTRO}/${SDK_VERSION} contents to $NATIVE_INSTALL_DIR.
    # We cannot use move if $NATIVE_INSTALL_DIR is not empty (for example: contains
    # another SDK)
    $SUDO cp -r $NATIVE_INSTALL_DIR/$DEFAULT_INSTALL_FOLDER/* $NATIVE_INSTALL_DIR

    # delete the source directory now
    $SUDO rm -rf $NATIVE_INSTALL_DIR/$DEFAULT_INSTALL_FOLDER/*

    # Step 2: Delete the ./opt/${DISTRO}/${SDK_VERSION} directories too, they should be empty
    dir=$NATIVE_INSTALL_DIR/$DEFAULT_INSTALL_FOLDER
    while [ "$dir" != "$NATIVE_INSTALL_DIR" ]; do
        # if the user chose / as the install folder, then we should leave /opt in place
        if [ "$dir" = "/opt" ]; then
            break
        fi

        # try to delete the directory, only if it's empty
        $SUDO rmdir $dir
        if [ $? -ne 0 ]; then
            break
        fi

        # go to the next directory
        dir=$(dirname $dir)
    done
fi

# Link the ld.so.cache file into the hosts filesystem
if [ ! -f "$OECORE_NATIVE_SYSROOT/etc/ld.so.cache" ]; then
echo_info "Link the ld.so.cache file into the host filesystem"
$SUDO ln -s /etc/ld.so.cache $OECORE_NATIVE_SYSROOT/etc/ld.so.cache
check_result
fi

# relocate binaries
echo_info "\nRelocating binaries ..."
escaped_sdkpath=$(echo $DEFAULT_INSTALL_FOLDER |sed -e "s:[\+\.]:\\\\\\\\\0:g")

# We don't change the script in-place since we may want the user to re-run
# adt-installer script
sed -e "s:##DEFAULT_INSTALL_DIR##:$escaped_sdkpath:" scripts/relocate_sdk.py > scripts/relocate_sdk_tmp.py
chmod +x scripts/relocate_sdk_tmp.py

dl_path=$(find $OECORE_NATIVE_SYSROOT/lib -name "ld-linux*")
executable_files=$(find $OECORE_NATIVE_SYSROOT -type f -perm /111)

$SUDO scripts/relocate_sdk_tmp.py $INSTALL_FOLDER $dl_path $executable_files
check_result

# replace /opt/${DISTRO}/${SDK_VERSION} with the install folder in all configs
env_setup_script=$(find $NATIVE_INSTALL_DIR/ -name "environment-setup-*")
$SUDO sed -i -e "s:$DEFAULT_INSTALL_FOLDER:$NATIVE_INSTALL_DIR:g" $env_setup_script

find $OECORE_NATIVE_SYSROOT -type f -exec file '{}' \; | grep ":.*\(ASCII\|script\|source\).*text" | \
    cut -d':' -f1 | xargs $SUDO sed -i -e "s:$DEFAULT_INSTALL_FOLDER:$NATIVE_INSTALL_DIR:g"

# change all symlinks pointing to /opt/${DISTRO}/${SDK_VERSION}
for l in $(find $NATIVE_INSTALL_DIR -type l); do
    $SUDO ln -sfn $(readlink $l|sed -e "s:$DEFAULT_INSTALL_FOLDER:$NATIVE_INSTALL_DIR:") $l
done

# find out all perl scripts in $OECORE_NATIVE_SYSROOT and modify them
# replacing the host perl with SDK perl.
for perl_script in $($SUDO grep -m 1 "^#!.*perl" -rl $OECORE_NATIVE_SYSROOT); do
    $SUDO sed -i -e "s:^#! */usr/bin/perl.*:#! /usr/bin/env perl:g" -e \
        "s: /usr/bin/perl: /usr/bin/env perl:g" $perl_script
done

echo_info "\nSuccessfully installed selected native ADT!"
}

#Need three input params, $1 -- arch_type(arm powerpc x86 mips) #2 -- user installation type
#customer or scilent

install_target()
{

# rootfs extraction directory
target_sysroot_var="\$YOCTOADT_TARGET_SYSROOT_LOC_$1"
target_sysroot=`eval echo $target_sysroot_var`

if [ "$target_sysroot" == "" ]; then
  return 0
else
  target_sysroot=`readlink -m $target_sysroot`
fi

target_sysroot_image_var="\$YOCTOADT_TARGET_SYSROOT_IMAGE_$1"
target_sysroot_image=`eval echo $target_sysroot_image_var`
if [ "$target_sysroot_image" == "" ]; then
  echo_info "[ADT_INST] Error: YOCTOADT_TARGET_SYSROOT_IMAGE_$1 selection is empty, failed to create target sysroot!"
  return 1
fi

echo_info "Installing target sysroot for arch: $1, rootfs type: $target_sysroot_image, location: $target_sysroot"

target_machine_var="\$YOCTOADT_TARGET_MACHINE_$1"
target_machine=`eval echo $target_machine_var`
sysroot_image_name="core-image-$target_sysroot_image-$target_machine.tar.bz2"
    #echo_info "Extracting rootfs: $sysroot_image_name, using pseudo..."

# sudo password might be needed to install the target sysroot
SUDO=$(get_sudo_app $target_sysroot)

$SUDO scripts/extract_rootfs $sysroot_image_name $target_sysroot $OECORE_NATIVE_SYSROOT $user_inst_type
check_result

echo_info "Updating environment script with target sysroot location."
if [ "$1" == "x86"  ]; then
  env_filename=`ls $INSTALL_FOLDER/environment-setup-i586*`
else
  env_filename=`ls $INSTALL_FOLDER/environment-setup-$1*`
fi

if [ ! -z "$env_filename" ]; then
  SUDO=$(get_sudo_app $INSTALL_FOLDER)
  $SUDO sed -i -e "s%##SDKTARGETSYSROOT##%$target_sysroot%g" $env_filename
else
  echo_info "[ADT_INST] Error: Failed to find environment script for arch: $1"
  return 1 
fi


}


#Main part
. scripts/data_define
. scripts/util

parse_config

#secondly we will start to install native tools
user_inst_type=$1
install_native_sdk $user_inst_type
check_result

for arch_type in $YOCTOADT_TARGETS; do
  install_target $arch_type
  check_result
done