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Commit c0439c78 authored by Daniel Rosenberg's avatar Daniel Rosenberg
Browse files

installd: Account for empty obb contents on migration 

We need /data/media/obb on devices with old kernels. Since that folder
is present, we should check if there are contents there before migrating
data.

This also fixes the check for if the kernel supports the unshared_obb
option. If it does, it only does the migration if there is data to
migrate.

Test: Boot with GSI over P, boot normal Q, with and without data at
      /data/media/obb. With data, it should migrate. Without data it
      shoud skip the migration. On GSI on P it should skip the
      migration.
Bug: 136199978
Change-Id: I41b0ec7a8a6b57b2ea6a530630d56c00f758009a
parent 8b6bff42

cmds/installd/migrate_legacy_obb_data.sh

+12 −7
Original line number Original line Diff line number Diff line
@@ -15,16 +15,21 @@ 
# See the License for the specific language governing permissions and

# See the License for the specific language governing permissions and

# limitations under the License.

# limitations under the License.





if ! test -d /data/media/obb ; then

rm -rf /sdcard/Android/obb/test_probe

  log -p i -t migrate_legacy_obb_data "No legacy obb data to migrate."

mkdir -p /sdcard/Android/obb/

  exit 0

fi



rm -rf /data/media/0/Android/obb/test_probe

touch /sdcard/Android/obb/test_probe

touch /sdcard/Android/obb/test_probe

if ! test -f /data/media/0/Android/obb/test_probe ; then

if ! test -f /data/media/0/Android/obb/test_probe ; then

  log -p i -t migrate_legacy_obb_data "No support for 'unshared_obb'. Not migrating"

  log -p i -t migrate_legacy_obb_data "No support for 'unshared_obb'. Not migrating"

  rm -rf /data/media/0/Android/obb/test_probe

  rm -rf /sdcard/Android/obb/test_probe

  exit 0

fi



# Delete the test file, and remove the obb folder if it is empty

rm -rf /sdcard/Android/obb/test_probe

rmdir /data/media/obb



if ! test -d /data/media/obb ; then

  log -p i -t migrate_legacy_obb_data "No legacy obb data to migrate."

  exit 0

  exit 0

fi

fi