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Diffstat (limited to 'META-INF/com/google/android/update-binary')
-rwxr-xr-xMETA-INF/com/google/android/update-binary93
1 files changed, 48 insertions, 45 deletions
diff --git a/META-INF/com/google/android/update-binary b/META-INF/com/google/android/update-binary
index ea44708..0dd5955 100755
--- a/META-INF/com/google/android/update-binary
+++ b/META-INF/com/google/android/update-binary
@@ -57,9 +57,11 @@ setup_mountpoint() {
}
is_mounted() { $bb mount | $bb grep -q " $1 "; }
umount_all() {
- ($BOOTMODE || umount_apex;
- $bb umount /system;
- $bb umount -l /system;
+ (if ! $BOOTMODE; then
+ umount_apex;
+ $bb umount /system;
+ $bb umount -l /system;
+ fi;
if [ -e /system_root ]; then
$bb umount /system_root;
$bb umount -l /system_root;
@@ -72,55 +74,56 @@ umount_all() {
fi) 2>/dev/null;
}
mount_apex() {
- [ -d /system/apex ] || return 1
- [ -L /apex ] && rm -f /apex
- if [ -f "/system/apex/com.android.runtime.release.apex" ]; then
- local j=0
- [ -e /dev/block/loop1 ] && local minorx=$(ls -l /dev/block/loop1 | $bb awk '{print $6}') || local minorx=1
- for i in /system/apex/*.apex; do
- local dest="/apex/$(basename $i | sed 's/.apex$//')"
- [ "$dest" == "/apex/com.android.runtime.release" ] && dest="/apex/com.android.runtime"
- mkdir -p $dest
- $bb unzip -qo $i apex_payload.img -d /apex
- mv -f /apex/apex_payload.img $dest.img
- while [ $j -lt 50 ]; do
- loop=/dev/loop$j
- $bb mknod $loop b 7 $((j * minorx)) 2>/dev/null
- $bb losetup $loop $dest.img 2>/dev/null
- j=$((j + 1))
- $bb losetup $loop | grep -q $dest.img && break
- done;
- uloop="$uloop $((j - 1))"
- $bb mount -t ext4 -o loop,noatime,ro $loop $dest || return 1
- done
- # Already extracted payload imgs present, just mount the folders
- elif [ -d "/system/apex/com.android.runtime.release" ]; then
- for i in /system/apex/*; do
- local dest="/apex/$(basename $i)"
- [ "$dest" == "/apex/com.android.runtime.release" ] && dest="/apex/com.android.runtime"
- mkdir -p $dest
- $bb mount -o bind,ro $i $dest
- done
- fi
+ test -d /system/apex || return 1;
+ local apex dest loop minorx num;
+ setup_mountpoint /apex;
+ test -e /dev/block/loop1 && minorx=$(ls -l /dev/block/loop1 | $bb awk '{ print $6 }') || minorx=1;
+ num=0;
+ for apex in /system/apex/*; do
+ dest=/apex/$(basename $apex .apex);
+ test "$dest" == /apex/com.android.runtime.release && dest=/apex/com.android.runtime;
+ mkdir -p $dest;
+ case $apex in
+ *.apex)
+ $bb unzip -qo $apex apex_payload.img -d /apex;
+ $bb mv -f /apex/apex_payload.img $dest.img;
+ $bb mount -t ext4 -o ro,noatime $dest.img $dest 2>/dev/null;
+ if [ $? != 0 ]; then
+ while [ $num -lt 64 ]; do
+ loop=/dev/block/loop$num;
+ ($bb mknod $loop b 7 $((num * minorx));
+ $bb losetup $loop $dest.img) 2>/dev/null;
+ num=$((num + 1));
+ $bb losetup $loop | $bb grep -q $dest.img && break;
+ done;
+ $bb mount -t ext4 -o ro,loop,noatime $loop $dest;
+ if [ $? != 0 ]; then
+ $bb losetup -d $loop 2>/dev/null;
+ fi;
+ fi;
+ ;;
+ *) $bb mount -o bind $apex $dest;;
+ esac;
+ done;
}
umount_apex() {
- [ -d /apex ] || return 1
- for i in /apex/*; do
- $bb umount -l $i 2>/dev/null
- done
- if [ -f "/system/apex/com.android.runtime.release.apex" ]; then
- for i in $uloop; do
- local loop=/dev/loop$i
- losetup -d $loop 2>/dev/null || break
- done
- fi
- rm -rf /apex
+ test -d /apex || return 1;
+ local dest loop;
+ for dest in $($bb find /apex -type d -mindepth 1 -maxdepth 1); do
+ if [ -f $dest.img ]; then
+ loop=$($bb mount | $bb grep $dest | $bb cut -d" " -f1);
+ fi;
+ ($bb umount -l $dest;
+ $bb losetup -d $loop) 2>/dev/null;
+ done;
+ rm -rf /apex;
}
restore_env() {
test "$savedpath" && export LD_LIBRARY_PATH="$savedpath";
test "$savedpre" && export LD_PRELOAD="$savedpre";
umount_all;
- ($bb mv -f /system_link /system;
+ ($bb mv -f /apex_link /apex;
+ $bb mv -f /system_link /system;
$bb mv -f /system_root_link /system_root;
$bb umount -l /dev/random) 2>/dev/null;
}