#!/usr/bin/env bash

# Copyright (C) 2010 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# This script auto-generates the scripts that manage the handling of the
# proprietary blobs necessary to build the Android Open-Source Project code
# for a variety of hardware targets

# It needs to be run from the root of a source tree that can repo sync,
# runs builds with and without the vendor tree, and uses the difference
# to generate the scripts.

# It can optionally upload the results to a Gerrit server for review.

# WARNING: It destroys the source tree. Don't leave anything precious there.

# Caveat: this script does many full builds (2 per device). It takes a while
# to run. It's best # suited for overnight runs on multi-CPU machines
# with a lot of RAM.

# Syntax: device/common/generate-blob-scripts.sh -f|--force [<server> <branch>]
#
# If the server and branch paramters are both present, the script will upload
# new files (if there's been any change) to the mentioned Gerrit server,
# in the specified branch.

if test "$1" != "-f" -a "$1" != "--force"
then
  echo This script must be run with the --force option
  exit 1
fi
shift

DEVICES="maguro"
export LC_ALL=C

ARCHIVEDIR=archive-$(date +%s)
if test -d archive-ref
then
  cp -R archive-ref $ARCHIVEDIR
else
  mkdir $ARCHIVEDIR

  . build/envsetup.sh
  for DEVICENAME in $DEVICES
  do
    rm -rf out
    lunch full_$DEVICENAME-user
    make -j32
    cat out/target/product/$DEVICENAME/installed-files.txt |
      cut -b 15- |
      sort -f > $ARCHIVEDIR/$DEVICENAME-with.txt
  done
  rm -rf vendor
  for DEVICENAME in $DEVICES
  do
    rm -rf out
    lunch full_$DEVICENAME-user
    make -j32
    cat out/target/product/$DEVICENAME/installed-files.txt |
      cut -b 15- |
      sort -f > $ARCHIVEDIR/$DEVICENAME-without.txt
  done
fi

for DEVICENAME in $DEVICES
do
  if test $(wc -l < $ARCHIVEDIR/$DEVICENAME-without.txt) != 0 -a $(wc -l < $ARCHIVEDIR/$DEVICENAME-with.txt) != 0
  then
    MANUFACTURERNAME=$( find device -type d | grep [^/]\*/[^/]\*/$DEVICENAME\$ | cut -f 2 -d / )
    for FILESTYLE in extract unzip
    do
      (
      echo '#!/bin/sh'
      echo
      echo '# Copyright (C) 2010 The Android Open Source Project'
      echo '#'
      echo '# Licensed under the Apache License, Version 2.0 (the "License");'
      echo '# you may not use this file except in compliance with the License.'
      echo '# You may obtain a copy of the License at'
      echo '#'
      echo '#      http://www.apache.org/licenses/LICENSE-2.0'
      echo '#'
      echo '# Unless required by applicable law or agreed to in writing, software'
      echo '# distributed under the License is distributed on an "AS IS" BASIS,'
      echo '# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.'
      echo '# See the License for the specific language governing permissions and'
      echo '# limitations under the License.'
      echo
      echo '# This file is generated by device/common/generate-blob-scripts.sh - DO NOT EDIT'
      echo
      echo DEVICE=$DEVICENAME
      echo MANUFACTURER=$MANUFACTURERNAME
      echo
      echo 'mkdir -p ../../../vendor/$MANUFACTURER/$DEVICE/proprietary'

      diff $ARCHIVEDIR/$DEVICENAME-without.txt $ARCHIVEDIR/$DEVICENAME-with.txt |
        grep -v '\.odex$' |
        grep '>' |
        cut -b 3- |
        while read FULLPATH
        do
          if test $FILESTYLE = extract
          then
            echo adb pull $FULLPATH ../../../vendor/\$MANUFACTURER/\$DEVICE/proprietary/$(basename $FULLPATH)
          else
            echo unzip -j -o ../../../\${DEVICE}_update.zip $(echo $FULLPATH | cut -b 2-) -d ../../../vendor/\$MANUFACTURER/\$DEVICE/proprietary
          fi
          if test $(basename $FULLPATH) = akmd -o $(basename $FULLPATH) = mm-venc-omx-test -o $(basename $FULLPATH) = parse_radio_log -o $(basename $FULLPATH) = akmd8973 -o $(basename $FULLPATH) = gpsd -o $(basename $FULLPATH) = pvrsrvinit -o $(basename $FULLPATH) = fRom
          then
            echo chmod 755 ../../../vendor/\$MANUFACTURER/\$DEVICE/proprietary/$(basename $FULLPATH)
          fi
        done
      echo

      echo -n '(cat << EOF) | sed s/__DEVICE__/$DEVICE/g | sed s/__MANUFACTURER__/$MANUFACTURER/g > ../../../vendor/$MANUFACTURER/$DEVICE/'
      echo 'device-vendor-blobs.mk'

      echo '# Copyright (C) 2010 The Android Open Source Project'
      echo '#'
      echo '# Licensed under the Apache License, Version 2.0 (the "License");'
      echo '# you may not use this file except in compliance with the License.'
      echo '# You may obtain a copy of the License at'
      echo '#'
      echo '#      http://www.apache.org/licenses/LICENSE-2.0'
      echo '#'
      echo '# Unless required by applicable law or agreed to in writing, software'
      echo '# distributed under the License is distributed on an "AS IS" BASIS,'
      echo '# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.'
      echo '# See the License for the specific language governing permissions and'
      echo '# limitations under the License.'
      echo
      echo -n '# This file is generated by device/__MANUFACTURER__/__DEVICE__/'
      echo -n $FILESTYLE
      echo '-files.sh - DO NOT EDIT'

      FOUND=false
      diff $ARCHIVEDIR/$DEVICENAME-without.txt $ARCHIVEDIR/$DEVICENAME-with.txt |
        grep -v '\.odex$' |
        grep '>' |
        cut -b 3- |
        while read FULLPATH
        do
          if test $(basename $FULLPATH) = libgps.so -o $(basename $FULLPATH) = libcamera.so -o $(basename $FULLPATH) = libsecril-client.so
          then
            if test $FOUND = false
            then
              echo
              echo '# Prebuilt libraries that are needed to build open-source libraries'
              echo 'PRODUCT_COPY_FILES := \\'
            else
              echo \ \\\\
            fi
            FOUND=true
            echo -n \ \ \ \ vendor/__MANUFACTURER__/__DEVICE__/proprietary/$(basename $FULLPATH):obj/lib/$(basename $FULLPATH)
          fi
        done
      echo

      FOUND=false
      diff $ARCHIVEDIR/$DEVICENAME-without.txt $ARCHIVEDIR/$DEVICENAME-with.txt |
        grep -v '\.odex$' |
        grep -v '\.apk$' |
        grep '>' |
        cut -b 3- |
        while read FULLPATH
        do
          if test $FOUND = false
          then
            echo
            echo -n '# All the blobs necessary for '
            echo $DEVICENAME
            echo 'PRODUCT_COPY_FILES += \\'
          else
            echo \ \\\\
          fi
          FOUND=true
          echo -n \ \ \ \ vendor/__MANUFACTURER__/__DEVICE__/proprietary/$(basename $FULLPATH):$(echo $FULLPATH | cut -b 2-)
        done
      echo

      FOUND=false
      diff $ARCHIVEDIR/$DEVICENAME-without.txt $ARCHIVEDIR/$DEVICENAME-with.txt |
        grep '\.apk$' |
        grep '>' |
        cut -b 3- |
        while read FULLPATH
        do
          if test $FOUND = false
          then
            echo
            echo -n '# All the apks necessary for '
            echo $DEVICENAME
            echo 'PRODUCT_PACKAGES += \\'
          else
            echo \ \\\\
          fi
          FOUND=true
          echo -n \ \ \ \ 
          echo -n $(basename $FULLPATH) | sed 's/\.apk//g'
        done
      echo

      echo
      echo 'EOF'

      echo

      echo -n '(cat << EOF) | sed s/__DEVICE__/$DEVICE/g | sed s/__MANUFACTURER__/$MANUFACTURER/g > ../../../vendor/$MANUFACTURER/$DEVICE/'
      echo 'proprietary/Android.mk'

      echo '# Copyright (C) 2011 The Android Open Source Project'
      echo '#'
      echo '# Licensed under the Apache License, Version 2.0 (the "License");'
      echo '# you may not use this file except in compliance with the License.'
      echo '# You may obtain a copy of the License at'
      echo '#'
      echo '#      http://www.apache.org/licenses/LICENSE-2.0'
      echo '#'
      echo '# Unless required by applicable law or agreed to in writing, software'
      echo '# distributed under the License is distributed on an "AS IS" BASIS,'
      echo '# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.'
      echo '# See the License for the specific language governing permissions and'
      echo '# limitations under the License.'
      echo
      echo -n '# This file is generated by device/__MANUFACTURER__/__DEVICE__/'
      echo -n $FILESTYLE
      echo '-files.sh - DO NOT EDIT'
      echo
      echo ifeq \(\\\$\(TARGET_DEVICE\),$DEVICENAME\)
      echo LOCAL_PATH:=\\\$\(call my-dir\)

      FOUND=false
      diff $ARCHIVEDIR/$DEVICENAME-without.txt $ARCHIVEDIR/$DEVICENAME-with.txt |
        grep '\.apk$' |
        grep '>' |
        cut -b 3- |
        while read FULLPATH
        do
          if test $FOUND = false
          then
            echo
            echo -n '# Module makefile rules for apks on '
            echo $DEVICENAME
          fi
          FOUND=true
          echo
          echo -n '# '
          echo $(basename $FULLPATH) | sed 's/\.apk//g'
          echo
          echo include \\\$\(CLEAR_VARS\)
          echo
          echo LOCAL_MODULE := $(basename $FULLPATH) | sed 's/\.apk//g'
          echo LOCAL_SRC_FILES := \\\$\(LOCAL_MODULE\).apk
          echo LOCAL_MODULE_CLASS := APPS
          echo LOCAL_MODULE_TAGS := optional
          echo LOCAL_CERTIFICATE := PRESIGNED
          echo LOCAL_MODULE_SUFFIX := \\\$\(COMMON_ANDROID_PACKAGE_SUFFIX\)
          echo include \\\$\(BUILD_PREBUILT\)
        done
      echo
      echo endif
      echo

      echo 'EOF'
      echo
      echo './setup-makefiles.sh'

      ) > $ARCHIVEDIR/$DEVICENAME-$FILESTYLE-files.sh
      cp $ARCHIVEDIR/$DEVICENAME-$FILESTYLE-files.sh device/$MANUFACTURERNAME/$DEVICENAME/$FILESTYLE-files.sh
      chmod a+x device/$MANUFACTURERNAME/$DEVICENAME/$FILESTYLE-files.sh
    done

    (
      cd device/$MANUFACTURERNAME/$DEVICENAME
      git add .
      git commit -m "$(echo -e 'auto-generated blob-handling scripts\n\nBug: 4295425')"
      if test "$1" != "" -a "$2" != ""
      then
        echo uploading to server $1 branch $2
        git push ssh://$1:29418/device/$MANUFACTURERNAME/$DEVICENAME.git HEAD:refs/for/$2/autoblobs
      fi
    )
  fi
done

if ! test -d archive-ref
then
  echo * device/* |
    tr \  \\n |
    grep -v ^archive- |
    grep -v ^device$ |
    grep -v ^device/common$ |
    xargs rm -rf
fi