Copy preloads from system_other on first boot

During first boot after OTA, preload files should be copied to the data
partition.

Current mechanism is based on sys.cppreopt property change when it's
requested to copy preopted files to data partition.

Bug: 29940807
Change-Id: If192e24296dfff4865936388f657ffa0dd5ca19d

1 files changed, 38 insertions, 0 deletions

diff --git a/preloads_copy.sh b/preloads_copy.sh
new file mode 100644
index 00000000..7e5e8e4a
--- /dev/null
+++ b/preloads_copy.sh
@@ -0,0 +1,38 @@
+#!/system/bin/sh
+#
+# Copyright (C) 2016 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# This script copies preloaded content from system_b to data partition
+
+# create files with 644 (global read) permissions.
+umask 022
+
+if [ $# -eq 1 ]; then
+  # Where the system_b is mounted that contains the preloads dir
+  mountpoint=$1
+  dest_dir=/data/preloads
+  log -p i -t preloads_copy "Copying from $mountpoint/preloads"
+  # Parallelize by copying subfolders and files in the background
+  for file in $(find ${mountpoint}/preloads -mindepth 1 -maxdepth 1); do
+      cp -rn $file $dest_dir &
+  done
+  # Wait for jobs to finish
+  wait
+  log -p i -t preloads_copy "Copying complete"
+  exit 0
+else
+  log -p e -t preloads_copy "Usage: preloads_copy.sh <system_other-mount-point>"
+  exit 1
+fi