Ability to restore specific apps

src/freedombone-restore-local

 COMPLETION_FILE=$HOME/${PROJECT_NAME}-completed.txt
 BACKUP_EXTRA_DIRECTORIES=/root/backup-extra-dirs.csv
 
+# whether to restore everything or just a specific application
+RESTORE_APP='all'
+
 export TEXTDOMAIN=${PROJECT_NAME}-restore-local
 export TEXTDOMAINDIR="/usr/share/locale"
 
 }
 
 function restore_configuration {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'configuration' ]]; then
+            return
+        fi
+    fi
+
     # this restores *.cfg and COMPLETION_FILE
     if [ -d $USB_MOUNT/backup/config ]; then
         echo $"Restoring configuration files"
 }
 
 function restore_mariadb {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'mariadb' ]]; then
+            return
+        fi
+    fi
     if [ -d $USB_MOUNT/backup/mariadb ]; then
         echo $"Restoring mysql settings"
         restore_directory_from_usb /root/tempmariadb mariadb
 }
 
 function restore_letsencrypt {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'letsencrypt' ]]; then
+            return
+        fi
+    fi
     if [ -d $USB_MOUNT/backup/letsencrypt ]; then
         echo $"Restoring Lets Encrypt settings"
         restore_directory_from_usb / letsencrypt
 }
 
 function restore_mutt_settings {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'mutt' ]]; then
+            return
+        fi
+    fi
     if [ -d $USB_MOUNT/backup/mutt ]; then
         for d in $USB_MOUNT/backup/mutt/*/ ; do
             USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
 }
 
 function restore_gpg {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'gpg' ]]; then
+            return
+        fi
+    fi
     if [ -d $USB_MOUNT/backup/gnupg ]; then
         for d in $USB_MOUNT/backup/gnupg/*/ ; do
             USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
 }
 
 function restore_procmail {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'procmail' ]]; then
+            return
+        fi
+    fi
     if [ -d $USB_MOUNT/backup/procmail ]; then
         for d in $USB_MOUNT/backup/procmail/*/ ; do
             USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
 }
 
 function restore_spamassassin {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'spamassassin' ]]; then
+            return
+        fi
+    fi
     if [ -d $USB_MOUNT/backup/spamassassin ]; then
         for d in $USB_MOUNT/backup/spamassassin/*/ ; do
             USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
 }
 
 function restore_admin_readme {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'readme' ]]; then
+            return
+        fi
+    fi
     if [ -d $USB_MOUNT/backup/readme ]; then
         echo $"Restoring admin user README"
 
 }
 
 function restore_ipfs {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'ipfs' ]]; then
+            return
+        fi
+    fi
     if [ -d $USB_MOUNT/backup/ipfs ]; then
         echo $"Restoring IPFS"
         restore_directory_from_usb /root/tempipfs ipfs
 }
 
 function restore_user_ssh_keys {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'ssh' ]]; then
+            return
+        fi
+    fi
     if [ -d $USB_MOUNT/backup/ssh ]; then
         for d in $USB_MOUNT/backup/ssh/*/ ; do
             USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
 }
 
 function restore_user_config {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'userconfig' ]]; then
+            return
+        fi
+    fi
     if [ -d $USB_MOUNT/backup/config ]; then
         for d in $USB_MOUNT/backup/config/*/ ; do
             USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
 }
 
 function restore_certs {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'certs' ]]; then
+            return
+        fi
+    fi
     if [ -d $USB_MOUNT/backup/ssl ]; then
         echo $"Restoring certificates"
         mkdir /root/tempssl
 }
 
 function restore_personal_settings {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'personal' ]]; then
+            return
+        fi
+    fi
     if [ -d $USB_MOUNT/backup/personal ]; then
         for d in $USB_MOUNT/backup/personal/*/ ; do
             USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
 }
 
 function restore_mailing_list {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'mailinglist' ]]; then
+            return
+        fi
+    fi
     if [ -d /var/spool/mlmmj ]; then
         echo $"Restoring public mailing list"
         restore_directory_from_usb /root/tempmailinglist mailinglist
 }
 
 function restore_xmpp {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'xmpp' ]]; then
+            return
+        fi
+    fi
     if [ -d /var/lib/prosody ]; then
         echo $"Restoring XMPP settings"
         restore_directory_from_usb /root/tempxmpp xmpp
 }
 
 function restore_gnu_social {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'gnusocial' ]]; then
+            return
+        fi
+    fi
     if [ $MICROBLOG_DOMAIN_NAME ]; then
         restore_database gnusocial ${MICROBLOG_DOMAIN_NAME}
         if [ -d /root/tempgnusocial ]; then
 }
 
 function restore_hubzilla {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'hubzilla' ]]; then
+            return
+        fi
+    fi
     if [ $HUBZILLA_DOMAIN_NAME ]; then
         restore_database hubzilla ${HUBZILLA_DOMAIN_NAME}
         if [ -d $USB_MOUNT/backup/hubzilla ]; then
 }
 
 function restore_owncloud {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'owncloud' ]]; then
+            return
+        fi
+    fi
     if [ $OWNCLOUD_DOMAIN_NAME ]; then
         restore_database owncloud $OWNCLOUD_DOMAIN_NAME
         if [ -d $USB_MOUNT/backup/owncloud2 ]; then
 }
 
 function restore_gogs {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'gogs' ]]; then
+            return
+        fi
+    fi
     if [ $GIT_DOMAIN_NAME ]; then
         restore_database gogs ${GIT_DOMAIN_NAME}
         if [ -d $USB_MOUNT/backup/gogs ]; then
 }
 
 function restore_wiki {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'wiki' ]]; then
+            return
+        fi
+    fi
     if [ $WIKI_DOMAIN_NAME ]; then
         echo $"Restoring Wiki installation ${WIKI_DOMAIN_NAME}"
         restore_directory_from_usb /root/tempwiki wiki
 }
 
 function restore_blog {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'blog' ]]; then
+            return
+        fi
+    fi
     if [ $FULLBLOG_DOMAIN_NAME ]; then
         echo $"Restoring blog installation"
         restore_directory_from_usb /root/tempblog blog
 }
 
 function restore_cjdns {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'cjdns' ]]; then
+            return
+        fi
+    fi
     if [ -d $USB_MOUNT/backup/cjdns ]; then
         echo $"Restoring cjdns installation"
         restore_directory_from_usb /root/tempcjdns cjdns
 }
 
 function restore_email {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'email' ]]; then
+            return
+        fi
+    fi
     if [ -d $USB_MOUNT/backup/mail ]; then
         for d in $USB_MOUNT/backup/mail/*/ ; do
             USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
 }
 
 function restore_dlna {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'dlna' ]]; then
+            return
+        fi
+    fi
     if [ -d /var/cache/minidlna ]; then
         if [ -d $USB_MOUNT/backup/dlna ]; then
             echo $"Restoring DLNA cache"
 }
 
 function restore_voip {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'voip' ]]; then
+            return
+        fi
+    fi
     if [ -d $USB_MOUNT/backup/voip ]; then
         echo $"Restoring VoIP settings"
         restore_directory_from_usb /root/tempvoip voip
 }
 
 function restore_tox {
+    if [[ $RESTORE_APP != 'all' ]]; then
+        if [[ $RESTORE_APP != 'tox' ]]; then
+            return
+        fi
+    fi
     if [ -d $USB_MOUNT/backup/tox ]; then
         echo $"Restoring Tox node settings"
         restore_directory_from_usb / tox
     fi
 }
 
-mount_drive $1 $2
+function get_restore_app {
+    if [ ${1} ]; then
+        if [ ! -d /home/${1} ]; then
+            RESTORE_APP=${1}
+            echo $"Restore $RESTORE_APP"
+        fi
+    fi
+}
+
+get_restore_app ${2}
+mount_drive ${1} ${2}
 check_backup_exists
 check_admin_user
 copy_gpg_keys