Move mail data out of box

This will help us with putting a size on box data

Mail container version is bumped because we want to recreate it

Part of #186

src/scripts/backupbox.sh

@@ -48,13 +48,17 @@ fi
 # perform backup
 now=$(date "+%Y-%m-%d-%H%M%S")
 BOX_DATA_DIR="${HOME}/data/box"
-box_snapshot_dir="${HOME}/data/snapshots/box-${now}"
+MAIL_DATA_DIR="${HOME}/data/mail"
+snapshot_dir="${HOME}/data/snapshots"
+box_snapshot_dir="${snapshot_dir}/box-${now}"
+mail_snapshot_dir="${snapshot_dir}/mail-${now}"
 
 echo "Creating MySQL dump"
 mysqldump -u root -ppassword --single-transaction --routines --triggers box > "${BOX_DATA_DIR}/box.mysqldump"
 
 echo "Snapshoting backup as backup-${now}"
 btrfs subvolume snapshot -r "${BOX_DATA_DIR}" "${box_snapshot_dir}"
+btrfs subvolume snapshot -r "${MAIL_DATA_DIR}" "${mail_snapshot_dir}"
 
 # will be checked at the end
 try=0
@@ -72,7 +76,7 @@ if [[ "$1" == "s3" ]]; then
 
         # use aws instead of curl because curl will always read entire stream memory to set Content-Length
         # aws will do multipart upload
-        if tar -czf - -C "${box_snapshot_dir}" . \
+        if tar -czf - -C "${snapshot_dir}" box mail \
                | openssl aes-256-cbc -e -pass "pass:${password}" \
                | aws ${optional_args} s3 cp - "${s3_url}" 2>"${error_log}"; then
             break
@@ -84,11 +88,12 @@ elif [[ "$1" == "filesystem" ]]; then
 
     mkdir -p $(dirname "${backup_folder}/${backup_fileName}")
 
-    tar -czf - -C "${box_snapshot_dir}" . | openssl aes-256-cbc -e -pass "pass:${password}" > "${backup_folder}/${backup_fileName}"
+    tar -czf - -C "${snapshot_dir}" box mail | openssl aes-256-cbc -e -pass "pass:${password}" > "${backup_folder}/${backup_fileName}"
 fi
 
 echo "Deleting backup snapshot"
 btrfs subvolume delete "${box_snapshot_dir}"
+btrfs subvolume delete "${mail_snapshot_dir}"
 
 if [[ ${try} -eq 5 ]]; then
     echo "Backup failed"