diff options
Diffstat (limited to 'andbackup.sh')
| -rwxr-xr-x | andbackup.sh | 109 |
1 files changed, 68 insertions, 41 deletions
diff --git a/andbackup.sh b/andbackup.sh index 9bb3326..52a24cc 100755 --- a/andbackup.sh +++ b/andbackup.sh @@ -1,4 +1,4 @@ -#!/system/xbin/bash +#!/system/bin/sh # # Andbackup performs Android backups and restores. # Copyright (C) 2016 Aaron Ball <nullspoon@oper.io> @@ -21,22 +21,48 @@ set -u backups=/sdcard/andbackup -function backup_app { +log() { + logtype=${1:-} + logmsg=${2:-} + logdate=$(date '+%T %F') + + printf "%s %s %s\n" "${logdate}" "${logtype}" "${logmsg}" +} + +# Some useful macros +linfo() { + log "info " "${1:-}" +} + +lerror() { + log "error" "${1:-}" +} + +lwarn() { + log "warn " "${1:-}" +} + +lfatal() { + log "fatal" "${1:-}" +} + + +backup_app() { local app=${1:-} # Make sure app is specified if [[ -z ${app} ]]; then - echo "Please specify an app to backup." + lerror "Please specify an app to backup." return 1 fi # Make sure app is installed if [[ $(dumpsys package ${app} | wc -l) -eq 0 ]]; then - echo "Package ${app} appears to not be installed." + lerror "Package ${app} appears to not be installed." return 1 fi - echo "Backing up ${app}" + linfo "Backing up ${app}" # Stop the application if it is running am force-stop ${app} @@ -53,7 +79,7 @@ function backup_app { if [[ -f ${code}/base.apk ]]; then cp ${code}/base.apk ${backups}/${app}/base.apk else - echo "${app} apk file could not be found. Skipping apk installer backup." + linfo "${app} apk file could not be found. Skipping apk installer backup." fi # Copy the user data @@ -65,7 +91,7 @@ function backup_app { fi # Compress the backup - echo "Compressing userdata for ${app}" + linfo "Compressing userdata for ${app}" cd ${backups}/${app}/ tar -c data | gzip -c > data.tar.gz rm -rf data @@ -75,33 +101,33 @@ function backup_app { # function list_apps { # cd ${userdata} # for dir in *; do -# echo ${dir%-*} +# linfo ${dir%-*} # done # } -function restore_app { +restore_app() { local app=${1:-} # Make sure app is specified if [[ -z ${app} ]]; then - echo "Please specify an app to restore." + lerror "Please specify an app to restore." return 1 fi # Check that backup exists to be restored if [[ ! -d ${backups}/${app} ]]; then - echo "No backup for ${app} exists." + lerror "No backup for ${app} exists." return 1 fi - echo "Restoring ${app}" + linfo "Restoring ${app}" # Install app if it is not yet installed if [[ ! -f "${backups}/${app}/base.apk" ]]; then - echo "Installer for ${app} not found. Only restoring data." + linfo "Installer for ${app} not found. Only restoring data." elif [[ $(dumpsys package ${app} | grep -c userId) -eq 0 ]]; then - echo "Installer detected but package ${app} is not installed. Installing" + linfo "Installer detected but package ${app} is not installed. Installing" pm install ${backups}/${app}/base.apk fi @@ -114,7 +140,7 @@ function restore_app { local data=$(dumpsys package ${app} | grep dataDir | cut -d'=' -f2 | head -n1) # Decompress backup - echo "Decompressing user data for ${app}." + linfo "Decompressing user data for ${app}." cd ${backups}/${app}/ gzip -d -c data.tar.gz | tar -x @@ -123,16 +149,17 @@ function restore_app { # Fix data permissions chown -R ${owner}:${owner} ${data} # Fix selinux labels - restorecon -R ${data} + linfo "Restoring SELinux contexs for ${app}" + restorecon -R ${data} 2>/dev/null # Cleanup the extracted data so restores don't take too much space rm -rf ${backups}/${app}/data } -function backup_apps { +backup_apps() { local apps=${@} - [[ -z ${apps[@]:-} ]] && echo "At least one app is required." && return 1 + [[ -z ${apps[@]:-} ]] && lerror "At least one app is required." && return 1 for app in ${apps[@]}; do backup_app ${app} @@ -140,9 +167,9 @@ function backup_apps { } -function restore_apps { +restore_apps() { local apps=${@} - [[ -z ${apps[@]:-} ]] && echo "At least one app is required." && return 1 + [[ -z ${apps[@]:-} ]] && log error "At least one app is required." && return 1 for app in ${apps[@]}; do restore_app ${app} @@ -150,9 +177,9 @@ function restore_apps { } -function list_backup_apps { +list_backup_apps() { local list=${1:-} - [[ -z ${list} ]] && echo "A backup list is required." && return 1 + [[ -z ${list} ]] && printf "A backup list is required." && return 1 for app in $(cat ${list}); do backup_app ${app} @@ -160,9 +187,9 @@ function list_backup_apps { } -function list_restore_apps { +list_restore_apps() { local list=${1} - [[ -z ${list} ]] && echo "A backup list is required." && return 1 + [[ -z ${list} ]] && printf "A backup list is required." && return 1 for app in $(cat ${list}); do restore_app ${app} @@ -170,36 +197,36 @@ function list_restore_apps { } -function main { +main() { local cmd=${1:-} shift # Ensure root is running this script - if [[ $(id -u) -gt 0 ]]; then - echo "Script must be run as root (uid 0)." - exit 1 + if [ $(id -u) -gt 0 ]; then + lerror "Script must be run as root (uid 0)." + return 1 fi - if [[ ${cmd} == 'backup' ]]; then + if [ "${cmd}" = 'backup' ]; then backup_apps ${@} - elif [[ ${cmd} == 'listbackup' ]]; then + elif [ "${cmd}" = 'listbackup' ]; then list_backup_apps ${@} - elif [[ ${cmd} == 'restore' ]]; then + elif [ "${cmd}" = 'restore' ]; then restore_apps ${@} - elif [[ ${cmd} == 'listrestore' ]]; then + elif [ "${cmd}" = 'listrestore' ]; then list_restore_apps ${@} - elif [[ ${cmd} == 'ls' || ${cmd} == 'list' ]]; then + elif [ "${cmd}" = 'ls' ] || [ "${cmd}" = 'list' ]; then list_apps else - echo "Please specify a command" - echo -e "Available commands are...\n"\ - " backup\n"\ - " listbackup\n"\ - " restore\n"\ - " listrestore\n"\ - " list\n" - exit 1 + printf "Please specify a command\n" + printf "Available commands are...\n" + printf " backup\n" + printf " listbackup\n" + printf " restore\n" + printf " listrestore\n" + printf " list\n" + return 1 fi } |