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Modular backuptool.sh. Executes backup and restore methods defined in arbitrary /system/addon.d/*.sh scripts.

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Tips & Tricks
=============
* 50-cm.sh contains only a reference implementation.  You may customize the methods however you wish.
  For example, 20-foobar.sh pre-backup can use a loop with conditionals to generate a dynamic backup list in
  /tmp/foobar_file_list which is later printed by list_files() so the backup method will act on those files.
* Optional methods pre-backup, post-backup, pre-restore, or post-restore may be defined for special purposes.
* Inject new files into /tmp/addon.d/ prior to backuptool.sh backup if you want to act during the current CM upgrade.
* Delete files from /tmp/addon.d/ during post-restore if you want to permanently remove files from /system/addon.d/
  Addons may use this approach to run a script only once.
* Scripts run in sort -n order.  Prefix with numbers 00 through 99 if want to run in a particular order.
* You can have two separate scripts, implementing only backup in one, and only restore in the other with a different
  number prefix of each.  This allows even greater control the backup/restore order even further.
* You could use pre-backup to generate a one-time use backup script in /tmp/addon.d/ that deletes itself in
  post-restore.

Patch Series
============
http://review.cyanogenmod.com/#change,13265
CyanogenMod/android_build
  * edify generator
http://review.cyanogenmod.com/#change,13266
CyanogenMod/android_system_core
  * permissions on /system/addon.d
http://review.cyanogenmod.com/#change,13267
CyanogenMod/android_vendor_cm
  * 50-cm.sh reference backup script
  * modular backuptool.sh
  * support backuptool.functions used by /system/addon.d/*.sh scripts

Change-Id: Ifd5eaf9dcfd68d92e5043c21d1bae1dc0ad54860
This commit is contained in:
Warren Togami 2012-03-03 22:37:42 -10:00
parent ce375df5ab
commit b1637c8e2b
4 changed files with 148 additions and 202 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
config/common.mk
View File

@ -24,8 +24,11 @@ PRODUCT_PROPERTY_OVERRIDES += \
PRODUCT_COPY_FILES += \
vendor/cm/CHANGELOG.mkdn:system/etc/CHANGELOG-CM.txt
# Backup Tool
PRODUCT_COPY_FILES += \
vendor/cm/prebuilt/common/bin/backuptool.sh:system/bin/backuptool.sh
vendor/cm/prebuilt/common/bin/backuptool.sh:system/bin/backuptool.sh \
vendor/cm/prebuilt/common/bin/backuptool.functions:system/bin/backuptool.functions \
vendor/cm/prebuilt/common/bin/50-cm.sh:system/addon.d/50-cm.sh
# init.d support
PRODUCT_COPY_FILES += \
@ -116,4 +119,4 @@ endif
PRODUCT_PROPERTY_OVERRIDES += \
ro.cm.version=$(CM_VERSION) \
ro.modversion=$(CM_VERSION)
ro.modversion=$(CM_VERSION)

41
prebuilt/common/bin/50-cm.sh Executable file
View File

@ -0,0 +1,41 @@
#!/sbin/sh
#
# /system/addon.d/50-cm.sh
# During a CM9 upgrade, this script backs up /system/etc/hosts,
# /system is formatted and reinstalled, then the file is restored.
#
. /tmp/backuptool.functions
list_files() {
cat <<EOF
etc/hosts
EOF
}
case "$1" in
backup)
list_files | while read FILE DUMMY; do
backup_file $S/"$FILE"
done
;;
restore)
list_files | while read FILE REPLACEMENT; do
R=""
[ -n "$REPLACEMENT" ] && R="$S/$REPLACEMENT"
[ -f "$C/$S/$FILE" ] && restore_file $S/"$FILE" "$R"
done
;;
pre-backup)
# Stub
;;
post-backup)
# Stub
;;
pre-restore)
# Stub
;;
post-restore)
# Stub
;;
esac

37
prebuilt/common/bin/backuptool.functions Normal file
View File

@ -0,0 +1,37 @@
#!/sbin/sh
#
# Functions for backuptool.sh
#
export C=/tmp/backupdir
export S=/system
export V=9
backup_file() {
if [ -e "$1" ]; then
local F=`basename "$1"`
local D=`dirname "$1"`
# dont backup any apps that have odex files, they are useless
if ( echo "$F" | grep -q "\.apk$" ) && [ -e `echo "$1" | sed -e 's/\.apk$/\.odex/'` ]; then
echo "Skipping odexed apk $1";
else
mkdir -p "$C/$D"
cp -p $1 "$C/$D/$F"
fi
fi
}
restore_file() {
local FILE=`basename "$1"`
local DIR=`dirname "$1"`
if [ -e "$C/$DIR/$FILE" ]; then
if [ ! -d "$DIR" ]; then
mkdir -p "$DIR";
fi
cp -p "$C/$DIR/$FILE" "$1";
if [ -n "$2" ]; then
echo "Deleting obsolete file $2"
rm "$2";
fi
fi
}

265
prebuilt/common/bin/backuptool.sh
View File

@ -1,215 +1,80 @@
#!/sbin/sh
#
# Backup and restore proprietary Android system files
# Backup and restore addon /system files
#
C=/tmp/backupdir
S=/system
V=9
export C=/tmp/backupdir
export S=/system
export V=9
PROCEED=1;
# Mount /system if it is not already mounted
mount_system() {
if [ ! -f "$S/build.prop" ]; then
mount $S
fi
}
# Unmount /system unless it is already unmounted
umount_system() {
if [ -f "$S/build.prop" ]; then
umount $S
fi
}
# Preserve /system/addon.d in /tmp/addon.d
preserve_addon_d() {
mkdir -p /tmp/addon.d/
cp -a /system/addon.d/* /tmp/addon.d/
chmod 755 /tmp/addon.d/*.sh
}
# Restore /system/addon.d in /tmp/addon.d
restore_addon_d() {
cp -a /tmp/addon.d/* /system/addon.d/
rm -rf /tmp/addon.d/
}
# Proceed only if /system is the expected major version
check_prereq() {
if ( ! grep -q "^ro.cm.version=$V.*" /system/build.prop );
then
echo "Not backing up files from incompatible version.";
PROCEED=0;
fi
if ( ! grep -q "^ro.cm.version=$V.*" /system/build.prop ); then
echo "Not backing up files from incompatible version."
umount_system
exit 127
fi
}
check_installscript() {
if [ -f "/tmp/.installscript" ] && [ $PROCEED -ne 0 ];
then
# We have an install script, and ROM versions match!
# We now need to check and see if we have force_backup
# in either /etc or /tmp/backupdir
if [ -f "$S/etc/force_backuptool" ] || [ -f "$C/force_backuptool" ];
then
echo "force_backuptool file found, Forcing backuptool."
else
echo "/tmp/.installscript found. Skipping backuptool."
PROCEED=0;
fi
fi
# Execute /system/addon.d/*.sh scripts with $1 parameter
run_stage() {
for script in $(find /tmp/addon.d/ -name '*.sh' |sort -n); do
$script $1
done
}
get_files() {
cat <<EOF
vendor/pittpatt/models/recognition/face.face.y0-y0-22-b-N/full_model.bin
vendor/pittpatt/models/detection/multi_pose_face_landmark_detectors.3/left_eye-y0-yi45-p0-pi45-rn7-ri20.2d_n2/full_model.bin
vendor/pittpatt/models/detection/multi_pose_face_landmark_detectors.3/nose_base-y0-yi45-p0-pi45-r0-ri20.2d_n2/full_model.bin
vendor/pittpatt/models/detection/multi_pose_face_landmark_detectors.3/right_eye-y0-yi45-p0-pi45-rp7-ri20.2d_n2/full_model.bin
vendor/pittpatt/models/detection/multi_pose_face_landmark_detectors.3/nose_base-y0-yi45-p0-pi45-rp7-ri20.2d_n2/full_model.bin
vendor/pittpatt/models/detection/multi_pose_face_landmark_detectors.3/left_eye-y0-yi45-p0-pi45-rp7-ri20.2d_n2/full_model.bin
vendor/pittpatt/models/detection/multi_pose_face_landmark_detectors.3/right_eye-y0-yi45-p0-pi45-rn7-ri20.2d_n2/full_model.bin
vendor/pittpatt/models/detection/multi_pose_face_landmark_detectors.3/nose_base-y0-yi45-p0-pi45-rn7-ri20.2d_n2/full_model.bin
vendor/pittpatt/models/detection/multi_pose_face_landmark_detectors.3/right_eye-y0-yi45-p0-pi45-r0-ri20.2d_n2/full_model.bin
vendor/pittpatt/models/detection/multi_pose_face_landmark_detectors.3/left_eye-y0-yi45-p0-pi45-r0-ri20.2d_n2/full_model.bin
vendor/pittpatt/models/detection/yaw_roll_face_detectors.3/head-y0-yi45-p0-pi45-rn30-ri30.5/full_model.bin
vendor/pittpatt/models/detection/yaw_roll_face_detectors.3/head-y0-yi45-p0-pi45-rp30-ri30.5/full_model.bin
vendor/pittpatt/models/detection/yaw_roll_face_detectors.3/head-y0-yi45-p0-pi45-r0-ri30.4a/full_model.bin
framework/com.android.nfc_extras.jar
framework/com.google.widevine.software.drm.jar
framework/com.google.android.maps.jar
framework/com.google.android.media.effects.jar
lib/libfacelock_jni.so
lib/libfilterpack_facedetect.so
lib/libflint_engine_jni_api.so
lib/libfrsdk.so
lib/libgcomm_jni.so
lib/libpicowrapper.so
lib/libspeexresampler.so
lib/libspeexwrapper.so
lib/libvideochat_jni.so
lib/libvideochat_stabilize.so
lib/libvoicesearch.so
etc/permissions/com.google.android.nfc_extras.xml
etc/permissions/com.google.android.media.effects.xml
etc/permissions/com.google.android.maps.xml
etc/permissions/com.google.widevine.software.drm.xml
etc/permissions/features.xml
app/MediaUploader.apk
app/GoogleFeedback.apk
app/GoogleTTS.apk
app/MarketUpdater.apk
app/GoogleServicesFramework.apk
app/YouTube.apk
app/GenieWidget.apk
app/GooglePackageVerifierUpdater.apk
app/SetupWizard.apk app/Provision.apk
app/GoogleEarth.apk
app/ChromeBookmarksSyncAdapter.apk
app/GoogleQuickSearchBox.apk app/QuickSearchBox.apk
app/GoogleLoginService.apk
app/Talk.apk
app/Maps.apk
app/GooglePackageVerifier.apk
app/GoogleBackupTransport.apk
app/GalleryGoogle.apk app/Gallery2.apk
app/FaceLock.apk
app/Vending.apk
app/GoogleContactsSyncAdapter.apk
app/GoogleCalendarSyncAdapter.apk
app/Gmail.apk
app/OneTimeInitializer.apk
app/NetworkLocation.apk
app/GooglePartnerSetup.apk
app/Phonesky.apk
app/VoiceSearch.apk
etc/hosts
etc/custom_backup_list.txt
etc/force_backuptool
EOF
}
get_custom_files() {
local L
if [ -f "$C/custom_backup_list.txt" ];
then
[ ! -f $C/fixed_custom_backup_list.txt ] && tr -d '\r' < $C/custom_backup_list.txt \
> $C/fixed_custom_backup_list.txt
L=`cat $C/fixed_custom_backup_list.txt`
cat <<EOF
$L
EOF
fi
}
backup_file() {
if [ -e "$1" ];
then
if [ -n "$2" ];
then
echo "$2 $1" | md5sum -c -
if [ $? -ne 0 ];
then
echo "MD5Sum check for $1 failed!";
exit $?;
fi
fi
local F=`basename $1`
local D=`dirname $1`
# dont backup any apps that have odex files, they are useless
if ( echo $F | grep -q "\.apk$" ) && [ -e `echo $1 | sed -e 's/\.apk$/\.odex/'` ];
then
echo "Skipping odexed apk $1";
else
mkdir -p $C/bak/$D
cp -p $1 $C/bak/$D/$F
fi
fi
}
restore_file() {
local FILE=`basename $1`
local DIR=`dirname $1`
if [ -e "$C/bak/$DIR/$FILE" ];
then
if [ ! -d "$DIR" ];
then
mkdir -p $DIR;
fi
cp -p $C/bak/$DIR/$FILE $1;
if [ -n "$2" ];
then
rm $2;
fi
fi
}
# don't (u)mount system if already done
UMOUNT=0
case "$1" in
backup)
if [ ! -f "$S/build.prop" ]; then
mount $S
UMOUNT=1
fi
check_prereq;
check_installscript;
if [ $PROCEED -ne 0 ];
then
rm -rf $C
mkdir -p $C
for file_list in get_files get_custom_files; do
$file_list | while read FILE REPLACEMENT; do
backup_file $S/$FILE
done
done
fi
if [ $UMOUNT -ne 0 ]; then
umount $S
fi
;;
restore)
if [ ! -f "$S/build.prop" ]; then
mount $S
UMOUNT=1
fi
check_prereq;
check_installscript;
if [ $PROCEED -ne 0 ];
then
for file_list in get_files get_custom_files; do
$file_list | while read FILE REPLACEMENT; do
R=""
[ -n "$REPLACEMENT" ] && R="$S/$REPLACEMENT"
restore_file $S/$FILE $R
done
done
rm -rf $C
fi
if [ $UMOUNT -ne 0 ]; then
umount $S
fi
sync
;;
*)
echo "Usage: $0 {backup|restore}"
exit 1
backup)
mkdir -p $C
mount_system
check_prereq
preserve_addon_d
run_stage pre-backup
run_stage backup
run_stage post-backup
umount_system
;;
restore)
mount_system
check_prereq
run_stage pre-restore
run_stage restore
run_stage post-restore
restore_addon_d
umount_system
rm -rf $C
sync
;;
*)
echo "Usage: $0 {backup|restore}"
exit 1
esac
exit 0