android_apps.sh

#!/bin/bash

zip_date=`date +%Y-%m-%d`
rom_zip="apps-$zip_date.zip"

wget --timestamping https://gitlab.com/fdroid/fdroiddata/raw/master/stats/known_apks.txt

apk_ids=(
org.fdroid.fdroid # FDroid
com.zegoggles.smssync # SMSBackup+
org.telegram.messenger # Telegram
com.google.zxing.client.android # Barcode Scanner
fr.asterope # AndroidRun
org.floens.chan # Clover
at.bitfire.davdroid # DavDroid
com.fsck.k9 # K9 Mail
com.vonglasow.michael.satstat # SatStat
net.osmand.plus # OsmAnd
org.sufficientlysecure.viewer # DocumentViewer
fr.xgouchet.texteditor # Ted
org.mozilla.fennec # Firefox
org.videolan.vlc # VLC
)

rm -r data/
mkdir -p data/app/

for apk_id in "${apk_ids[@]}"
do
	:
	echo "# checking $apk_id"
	apk_file=$(grep -e "^$apk_id" known_apks.txt | sort  -k3 | tail -n 1 | cut -f 1  -d ' ')
	if [ -n "$apk_file" ] ; then
		echo "# retrieving $apk_file"
		wget -nc -P apk-cache "https://f-droid.org/repo/$apk_file"
		#find data/app/ -name "$apk_id*" ! -name "$apk_file" -delete
		mkdir -p "data/app/$apk_id-1"
		cp "apk-cache/$apk_file" "data/app/$apk_id-1/base.apk"
	fi
done

# https://github.com/CyanogenMod/android_bootable_recovery/tree/cm-12.1/edify
# https://android.googlesource.com/platform/build/+/master/tools/releasetools/sign_target_files_apks.py
if [ ! -e "update-binary" ] ; then
wget https://github.com/koush/AnyKernel/raw/master/META-INF/com/google/android/update-binary
fi

rm -r META-INF
mkdir -p META-INF/com/google/android
cp update-binary META-INF/com/google/android/update-binary

cat <<-'EOF' | tee META-INF/com/google/android/updater-script
ui_print("Mounting filesystem");
run_program("/sbin/busybox", "mount", "/system");
run_program("/sbin/busybox", "mount", "/data");
ui_print("System app removal");
delete("/system/app/Browser/Browser.apk");
delete("/system/app/Email/Email.apk");
delete("/system/app/Exchange2/Exchange2.apk");
delete("/system/app/CaptivePortalLogin/CaptivePortalLogin.apk");
delete("/system/app/QuickSearchBox/QuickSearchBox.apk");
delete("/system/app/VideoEditor/VideoEditor.apk");
delete("/system/app/LiveWallpapers/LiveWallpapers.apk");
delete("/system/app/BasicDreams/BasicDreams.apk");
delete("/system/app/MagicSmokeWallpapers/MagicSmokeWallpapers.apk");
delete("/system/app/PhaseBeam/PhaseBeam.apk");
delete("/system/app/HoloSpiralWallpaper/HoloSpiralWallpaper.apk");
delete("/system/app/NoiseField/NoiseField.apk");
delete("/system/app/Galaxy4/Galaxy4.apk");
delete("/system/app/WhisperPush/WhisperPush.apk");
delete("/system/app/CMWallpapers/CMWallpapers.apk");
delete("/system/app/PhotoPhase/PhotoPhase.apk");
delete("/system/priv-app/OmniSwitch/OmniSwitch.apk");
delete("/system/priv-app/OneTimeInitializer/OneTimeInitializer.apk");
delete("/system/priv-app/CyanogenSetupWizard/CyanogenSetupWizard.apk");
delete("/system/priv-app/CMAccount/CMAccount.apk");
delete("/system/priv-app/CMUpdater/CMUpdater.apk");
ui_print("Installing Applications");
package_extract_dir("data", "/data");
set_perm_recursive(1000, 1000, 0771, 0644, "/data/app");
run_program("/sbin/busybox", "umount", "/system");
run_program("/sbin/busybox", "umount", "/data");

EOF

zip --filesync -r $rom_zip META-INF/ data/

if [ ! -e "signapk.jar" ] ; then
wget https://github.com/appium/sign/raw/master/dist/signapk.jar
fi

if [ ! -e "certificate.pem" ] ; then
echo "certificate missing, creating"
openssl genrsa -out key.pem 1024
openssl req -new -key key.pem -out request.pem -batch -subj "/O=Private"
openssl x509 -req -days 9999 -in request.pem -signkey key.pem -out certificate.pem
openssl pkcs8 -topk8 -outform DER -in key.pem -inform PEM -out key.pk8 -nocrypt
rm request.pem
rm key.pem
fi

java -jar signapk.jar certificate.pem key.pk8 $rom_zip "signed-$rom_zip"