feat: Updates docker backup script.

docker-backup.sh

@@ -4,8 +4,7 @@ today=$(date +'%F')
 stackdir="/etc/komodo/stacks"
 backupdir="/backups"
 
-services=()
-readarray -d '' services < <(find "$stackdir" -maxdepth 1 -mindepth 1 -type d)
+services=($(find "$stackdir" -maxdepth 1 -mindepth 1 -type d))
 
 # Directories to backup.
 volumes=(
@@ -42,8 +41,10 @@ function copyVolumes() {
   mkdir "$dir"
   for volume in "${volumes[@]}"; do
     # copy only directories.
-    find "$volume" -maxdepth 1 -mindepth 1 -type d -print0 |
-      xargs -0 -I {} cp -r --parents "$volume" "{}"
+    local dirs=($(find "$volume" -maxdepth 1 -mindepth 1 -type d))
+    for v in "${dirs[@]}"; do
+      cp -r --parents "$v" "$dir"
+    done
   done
 }
 
@@ -58,8 +59,10 @@ function backup() {
 function cleanBackups() {
   echo "Removing old backups..."
   # Remove backups older than 7 days.
-  find "$backupdir" -maxdepth 1 -mindepth 1 -name "*.tar.gz" -mtime +7 -print0 |
-    xargs -0 -I {} rm -rf "{}"
+  local dirs=($(find "$backupdir" -maxdepth 1 -mindepth 1 -name "*.tar.gz" -mtime +7))
+  for dir in "${dirs[@]}"; do
+    rm -rf "$dir"
+  done
 }
 
 function main() {