cm-12.1-20151127-UNOFFICIAL-pisces.zip

#!/sbin/sh # # Backup and restore addon /system files # export C=/tmp/backupdir export S=/system export V=12.1 # Scripts in /system/addon.d expect to find backuptool.functions in /tmp cp -f /tmp/install/bin/backuptool.functions /tmp # Preserve /system/addon.d in /tmp/addon.d preserve_addon_d() { if [ -d /system/addon.d/ ]; then mkdir -p /tmp/addon.d/ cp -a /system/addon.d/* /tmp/addon.d/ chmod 755 /tmp/addon.d/*.sh fi } # Restore /system/addon.d from /tmp/addon.d restore_addon_d() { if [ -d /tmp/addon.d/ ]; then cp -a /tmp/addon.d/* /system/addon.d/ rm -rf /tmp/addon.d/ fi } # Proceed only if /system is the expected major and minor version check_prereq() { # If there is no build.prop file the partition is probably empty. if [ ! -r /system/build.prop ]; then return 0 fi if ( ! grep -q "^ro.cm.version=$V.*" /system/build.prop ); then echo "Not backing up files from incompatible version: $V" return 0 fi return 1 } check_blacklist() { if [ -f /system/addon.d/blacklist ];then ## Discard any known bad backup scripts cd /$1/addon.d/ for f in *sh; do s=$(md5sum $f | awk {'print $1'}) grep -q $s /system/addon.d/blacklist && rm -f $f done fi } check_whitelist() { found=0 if [ -f /system/addon.d/whitelist ];then ## forcefully keep any version-independent stuff cd /$1/addon.d/ for f in *sh; do s=$(md5sum $f | awk {'print $1'}) grep -q $s /system/addon.d/whitelist if [ $? -eq 0 ]; then found=1 else rm -f $f fi done fi return $found } # Execute /system/addon.d/*.sh scripts with $1 parameter run_stage() { if [ -d /tmp/addon.d/ ]; then for script in $(find /tmp/addon.d/ -name '*.sh' |sort -n); do $script $1 done fi } case "$1" in backup) mkdir -p $C if check_prereq; then if check_whitelist system; then exit 127 fi fi check_blacklist system preserve_addon_d run_stage pre-backup run_stage backup run_stage post-backup ;; restore) if check_prereq; then if check_whitelist tmp; then exit 127 fi fi check_blacklist tmp run_stage pre-restore run_stage restore run_stage post-restore restore_addon_d rm -rf $C sync ;; *) echo "Usage: $0 {backup|restore}" exit 1 esac exit 0