#!/system/bin/sh
#
# /system/bin/custom_init
#
#### Settings ####
#
echo "--- Welcome to Android!";

insmod /system/lib/compcache/ramzswap.ko;
rzscontrol /dev/block/ramzswap0 -i -d 32768;
busybox swapon /dev/block/ramzswap0; 

echo 528000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq; 
echo 0 > /proc/sys/vm/page-cluster; 

# Set "deadline" scheduler fifo batch to 1 for mtdblocks and mmc
for i in `ls -1 /sys/block/mtdblock*` /sys/block/mmcblk0
do
	echo 1 > $i/queue/iosched/fifo_batch
done

# Automatic ZipAlign by Wes Garner
# ZipAlign files in /data that have not been previously ZipAligned (using md5sum)

echo "--- ZipAligning Data Apps"
    if [ ! -d /data/zipalign ]; then
	mkdir /data/zipalign;
    fi;	
    for apk in /data/app/*.apk ; do
    if [ -e /data/zipalign/$(basename $apk).md5 ]; then
        MDCURR=`md5sum $apk`;
        MDSAVE=`cat /data/zipalign/$(basename $apk).md5`;
	if [ ! "$MDCURR" == "$MDSAVE" ]; then
		echo ZipAligning $(basename $apk);
		zipalign -f 4 $apk /cache/$(basename $apk);
		cp -f -p /cache/$(basename $apk) $apk;
		rm /cache/$(basename $apk);
        	md5sum $apk > /data/zipalign/$(basename $apk).md5;
	else
		echo ZipAlign already completed on $apk;
	fi;
    else
	echo ZipAligning $(basename $apk);
	zipalign -f 4 $apk /cache/$(basename $apk);
	cp -f -p /cache/$(basename $apk) $apk;
	rm /cache/$(basename $apk);
	md5sum $apk > /data/zipalign/$(basename $apk).md5;
	fi;
	done;

echo "--- ZipAligning Data Apps-Private"
    for apk in /data/app-private/*.apk ; do
    if [ -e /data/zipalign/$(basename $apk).md5 ]; then
        MDCURR=`md5sum $apk`;
        MDSAVE=`cat /data/zipalign/$(basename $apk).md5`;
	if [ ! "$MDCURR" == "$MDSAVE" ]; then
		echo ZipAligning $(basename $apk);
		zipalign -f 4 $apk /cache/$(basename $apk);
		cp -f -p /cache/$(basename $apk) $apk;
		rm /cache/$(basename $apk);
        	md5sum $apk > /data/zipalign/$(basename $apk).md5;
	else
		echo ZipAlign already completed on $apk;
	fi;
    else
	echo ZipAligning $(basename $apk);
	zipalign -f 4 $apk /cache/$(basename $apk);
	cp -f -p /cache/$(basename $apk) $apk;
	rm /cache/$(basename $apk);
	md5sum $apk > /data/zipalign/$(basename $apk).md5;
	fi;
    done;

#
# if magic/mt3g then exit
#
if [ `busybox cat /proc/cpuinfo | busybox grep -cE '^Hardware.*sapphire'` -eq 1 ];
then
    if [ -e /sdcard/userinit.sh ];
        then
            echo "--- Executing userinit.sh"
            busybox chmod +x /sdcard/userinit.sh
            /system/bin/sh /sdcard/userinit.sh;
    fi;
	
	sync;

    setprop cm.filesystem.ready 1;
	
	exit;
fi;

#
# Enable Apps2SD for g1/dream only

if [ -e /dev/block/mmcblk0p2 ];
then
    echo "--- Checking filesystems";

    # fsck the sdcard filesystem first
    e2fsck -y /dev/block/mmcblk0p2;

    # set property with exit code in case an error occurs
    setprop cm.e2fsck.errors $?;

    # mount and set perms
    busybox mount -o noatime,nodiratime -t auto /dev/block/mmcblk0p2 /system/sd;
    if [ "$?" = 0 ];
    then
        busybox chown 1000:1000 /system/sd;
        busybox chmod 771 /system/sd;

        # clean up any old symlinks, create data directories
        for i in dalvik-cache data;
        do
            if [ -h /data/$i ];
            then
                rm /data/$i;
            fi;
            if [ ! -d /data/$i ];
            then
                mkdir /data/$i;
                busybox chown 1000:1000 /data/$i;
                busybox chmod 771 /data/$i;
            fi;
        done;

        # don't allow /data/data on sd because of upgrade issues - move it if possible
        if [ -d /system/sd/data ];
        then
            busybox cp -a /system/sd/data/* /data/data/;
            busybox rm -rf /system/sd/data;
        fi;

        # move apps and dalvik cache from internal memory to sdcard
        for i in app app-private dalvik-cache;
        do
            if [ ! -d /system/sd/$i ];
            then
                mkdir /system/sd/$i;
            fi

            busybox chown 1000:1000 /system/sd/$i;
            busybox chmod 771 /system/sd/$i

            if [ -d /data/$i ] && [ ! -h /data/$i ];
            then
                busybox cp -a /data/$i/* /system/sd/$i/;
                busybox rm -f /data/$i/*;
            fi;
        done;

        # symlink app dirs - they must be on the same filesystem
        for i in app app-private;
        do
            if [ -d /data/$i ] && [ ! -h /data/$i ];
            then
                busybox rm -rf /data/$i;
                busybox ln -s /system/sd/$i /data/$i;
            fi;
        done;

        # bind mount dalvik-cache so we can still boot without the sdcard
        busybox mount -o bind /system/sd/dalvik-cache /data/dalvik-cache;
        busybox chown 1000:1000 /data/dalvik-cache;
        busybox chmod 771 /data/dalvik-cache;

        # clean up old whiteouts
        for i in local misc property system tombstones data;
        do
            if [ -h /system/sd/$i ]; then rm -f /system/sd/$i; fi
        done;

        # please don't put odex files in the app directory people!
        # it causes dexopt to crash when switching builds!
        busybox rm -f /system/sd/app/*.odex

        setprop cm.a2sd.active 1;

        echo "+++ Apps-to-SD successfully enabled";
    else
        echo "*** Unable to mount filesystem for a2sd!";
    fi
fi

if [ `getprop cm.a2sd.active` != 1 ];
then
    # replace symlinks with directories so we can boot without sd
    for i in app app-private;
    do
       if [ -h /data/$i ];
       then
            rm -f /data/$i;
            mkdir /data/$i;
            busybox chown 1000:1000 /data/$i;
            busybox chmod 771 /data/$i;
        fi;
    done;
	
	setprop cm.a2sd.active 0;

fi;

if [ -e /sdcard/userinit.sh ];
        then
            echo "--- Executing userinit.sh"
            busybox chmod +x /sdcard/userinit.sh
            /system/bin/sh /sdcard/userinit.sh;
fi;

sync;

setprop cm.filesystem.ready 1;