Alessandro Astone
2b244a1ead
And don't count as needed space that will be freed from the replaced files. This will allow to flash the zip over an existing installation when space is tight. Also: awk --> tr | cut because recovery might not provide awk grep -v --> tail -1 in du because it might spit out 3 lines
252 lines
6.7 KiB
Bash
252 lines
6.7 KiB
Bash
#!/sbin/sh
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OUTFD="/proc/self/fd/$2"
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ZIP=$3
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set_con() {
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chcon -h u:object_r:"$1":s0 $2
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chcon u:object_r:"$1":s0 $2
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}
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set_perm() {
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chmod $1 $2
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}
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set_owner() {
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chown $1:$2 $3
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}
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ui_print() {
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echo "ui_print $1" > "$OUTFD";
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echo "ui_print" > "$OUTFD";
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}
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cleanup() {
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ui_print "Cleaning up files"
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cd ../
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rm -rf system
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ui_print "Unmounting partitions"
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umount -l "$SYSTEM_MNT"
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umount -l /product || true
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umount -l /system_ext || true
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}
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error_no_space() {
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ui_print "Not enough space for GApps! Aborting"
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cleanup
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exit 1
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}
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get_block_for_mount_point() {
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grep -v "^#" /etc/recovery.fstab | grep " $1 " | tail -n1 | tr -s ' ' | cut -d' ' -f1
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}
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find_block() {
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local name="$1"
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local fstab_entry=$(get_block_for_mount_point "/$name")
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# P-SAR hacks
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[ -z "$fstab_entry" ] && [ "$name" = "system" ] && fstab_entry=$(get_block_for_mount_point "/")
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[ -z "$fstab_entry" ] && [ "$name" = "system" ] && fstab_entry=$(get_block_for_mount_point "/system_root")
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local dev
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if [ "$DYNAMIC_PARTITIONS" = "true" ]; then
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if [ -n "$fstab_entry" ]; then
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dev="${BLK_PATH}/${fstab_entry}${SLOT_SUFFIX}"
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else
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dev="${BLK_PATH}/${name}${SLOT_SUFFIX}"
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fi
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else
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if [ -n "$fstab_entry" ]; then
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dev="${fstab_entry}${SLOT_SUFFIX}"
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else
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dev="${BLK_PATH}/${name}${SLOT_SUFFIX}"
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fi
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fi
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if [ -b "$dev" ]; then
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echo "$dev"
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fi
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}
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compute_apps_size() {
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NEEDED_STORAGE_SYSTEM=$(expr $(du -cs `find -maxdepth 1 -mindepth 1 ! -name product ! -name system_ext` | tail -n1 | cut -f1) + $STORAGE_BUFFER)
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NEEDED_STORAGE_PRODUCT=$(expr $(du -s ./product | cut -f1) + $STORAGE_BUFFER)
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NEEDED_STORAGE_SYSTEM_EXT=$(expr $(du -s ./system_ext | cut -f1) + $STORAGE_BUFFER)
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RECLAIMABLE_STORAGE_SYSTEM=$(find . ! -path "./product/*" ! -path "./system_ext/*" -type f | sed "s|^./|$SYSTEM_OUT/|" | xargs ls -d 2>/dev/null | xargs du -cs PLACEHOLDER 2>/dev/null | tail -n1 | cut -f1)
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NEEDED_STORAGE_SYSTEM=$(expr $NEEDED_STORAGE_SYSTEM - $RECLAIMABLE_STORAGE_SYSTEM)
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RECLAIMABLE_STORAGE_PRODUCT=$(find ./product -type f | sed "s|^./|$SYSTEM_OUT/|" | xargs ls -d 2>/dev/null | xargs du -cs PLACEHOLDER 2>/dev/null | tail -n1 | cut -f1)
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NEEDED_STORAGE_PRODUCT=$(expr $NEEDED_STORAGE_PRODUCT - $RECLAIMABLE_STORAGE_PRODUCT)
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RECLAIMABLE_STORAGE_SYSTEM_EXT=$(find ./system_ext -type f | sed "s|^./|$SYSTEM_OUT/|" | xargs ls -d 2>/dev/null | xargs du -cs PLACEHOLDER 2>/dev/null | tail -n1 | cut -f1)
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NEEDED_STORAGE_SYSTEM_EXT=$(expr $NEEDED_STORAGE_SYSTEM_EXT - $RECLAIMABLE_STORAGE_SYSTEM_EXT)
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if [ -z "$PRODUCT_BLOCK" ]; then
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NEEDED_STORAGE_SYSTEM=$(expr $NEEDED_STORAGE_SYSTEM + $NEEDED_STORAGE_PRODUCT - $STORAGE_BUFFER)
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fi
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if [ -z "$SYSTEM_EXT_BLOCK" ]; then
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NEEDED_STORAGE_SYSTEM=$(expr $NEEDED_STORAGE_SYSTEM + $NEEDED_STORAGE_SYSTEM_EXT - $STORAGE_BUFFER)
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fi
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}
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remove_big_optional_apps() {
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ui_print "Low resource device detected, removing large extras"
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rm -rf product/app/MarkupGoogle
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rm -rf product/priv-app/AndroidMigratePrebuilt
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rm -rf product/priv-app/SetupWizardPrebuilt
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rm -rf product/priv-app/Velvet
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}
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ui_print "**********************"
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ui_print "MindTheGapps installer"
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ui_print "**********************"
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ui_print "Mounting partitions"
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# Ensure system is unmounted so mounting succeeds
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umount /system || umount /mnt/system || true
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umount /product || true
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umount /system_ext || true
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# Find partitions
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DYNAMIC_PARTITIONS=`getprop ro.boot.dynamic_partitions`
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if [ "$DYNAMIC_PARTITIONS" = "true" ]; then
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BLK_PATH="/dev/block/mapper"
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else
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BLK_PATH=/dev/block/bootdevice/by-name
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fi
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CURRENTSLOT=`getprop ro.boot.slot_suffix`
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if [ ! -z "$CURRENTSLOT" ]; then
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if [ "$CURRENTSLOT" == "_a" ]; then
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SLOT_SUFFIX="_a"
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else
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SLOT_SUFFIX="_b"
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fi
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fi
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SYSTEM_BLOCK=$(find_block "system")
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PRODUCT_BLOCK=$(find_block "product")
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SYSTEM_EXT_BLOCK=$(find_block "system_ext")
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# Disable rw protection on dynamic partitions
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if [ "$DYNAMIC_PARTITIONS" = "true" ]; then
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blockdev --setrw "$SYSTEM_BLOCK"
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if [ -n "$PRODUCT_BLOCK" ]; then
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blockdev --setrw "$PRODUCT_BLOCK"
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fi
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if [ -n "$SYSTEM_EXT_BLOCK" ]; then
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blockdev --setrw "$SYSTEM_EXT_BLOCK"
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fi
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fi
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# Mount and define SYSTEM_OUT
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SYSTEM_MNT=/mnt/system
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mkdir -p "$SYSTEM_MNT" || true
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if mount -o rw "$SYSTEM_BLOCK" "$SYSTEM_MNT"; then
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ui_print "$SYSTEM_MNT mounted"
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else
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ui_print "Could not mount $SYSTEM_MNT! Aborting"
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exit 1
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fi
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SYSTEM_OUT="${SYSTEM_MNT}/system"
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if [ -n "$PRODUCT_BLOCK" ]; then
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mkdir /product || true
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if mount -o rw "$PRODUCT_BLOCK" /product; then
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ui_print "/product mounted"
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else
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ui_print "Could not mount /product"
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exit 1
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fi
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fi
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if [ -n "$SYSTEM_EXT_BLOCK" ]; then
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mkdir /system_ext || true
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if mount -o rw "$SYSTEM_EXT_BLOCK" /system_ext; then
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ui_print "/system_ext mounted"
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else
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ui_print "Could not mount /system_ext"
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exit 1
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fi
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fi
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# Compute storage requirements
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SYSTEM_STORAGE=`df $SYSTEM_MNT | tail -1 | tr -s ' ' | cut -d ' ' -f4`
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if [ -n "$PRODUCT_BLOCK" ]; then
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PRODUCT_STORAGE=`df /product | tail -1 | tr -s ' ' | cut -d ' ' -f4`
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fi
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if [ -n "$SYSTEM_EXT_BLOCK" ]; then
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SYSTEM_EXT_STORAGE=`df /system_ext | tail -1 | tr -s ' ' | cut -d ' ' -f4`
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fi
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STORAGE_BUFFER=10240
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ui_print "Extracting files"
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cd /tmp
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unzip -o "$ZIP"
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rm -rf META-INF
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cd system
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compute_apps_size
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if [ "$SYSTEM_STORAGE" -lt "$NEEDED_STORAGE_SYSTEM" ]; then
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remove_big_optional_apps
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compute_apps_size
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if [ "$SYSTEM_STORAGE" -lt "$NEEDED_STORAGE_SYSTEM" ]; then
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error_no_space
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fi
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fi
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if [ -n "$PRODUCT_BLOCK" ] && [ "$PRODUCT_STORAGE" -lt "$NEEDED_STORAGE_PRODUCT" ]; then
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remove_big_optional_apps
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compute_apps_size
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if [ "$PRODUCT_STORAGE" -lt "$NEEDED_STORAGE_PRODUCT" ]; then
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error_no_space
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fi
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fi
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if [ -n "$SYSTEM_EXT_BLOCK" ] && [ "$SYSTEM_EXT_STORAGE" -lt "$NEEDED_STORAGE_SYSTEM_EXT" ]; then
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error_no_space
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fi
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ui_print "Generating addon.d file"
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cat addon.d/addond_head > addon.d/30-gapps.sh
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for f in `find . -type f`; do
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line=$(echo "$f" | sed 's/\.\///')
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echo "$line" >> addon.d/30-gapps.sh
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done
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cat addon.d/addond_tail >> addon.d/30-gapps.sh
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rm addon.d/addond_head addon.d/addond_tail
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ui_print "Preparing files for copying"
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for d in `find . -mindepth 1 -type d -type d`; do
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set_perm 0755 $d
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set_owner root root $d
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done
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for f in `find . -type f`; do
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type=$(echo "$f" | sed 's/.*\.//')
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if [ "$type" == "sh" ] || [ "$type" == "$f" ]; then
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set_perm 0755 $f
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else
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set_perm 0644 $f
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fi
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set_owner root root $f
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set_con system_file $f
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done
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ui_print "Copying files"
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cp --preserve=a -r ./* "${SYSTEM_OUT}/"
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if [ -n "$PRODUCT_BLOCK" ]; then
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cp --preserve=a -r ./product/* /product
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fi
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if [ -n "$SYSTEM_EXT_BLOCK" ]; then
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cp --preserve=a -r ./system_ext/* /system_ext
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fi
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if [ -e product/priv-app/SetupWizardPrebuilt ] ; then
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rm -rf /system/system_ext/priv-app/Provision
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fi
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cleanup
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ui_print "Done!"
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exit 0
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