check if rsync installed

rsync_backup.sh

@@ -16,20 +16,39 @@ mode='archive'
 delete_archive=true
 #delete_archive=false
 
+archive_with_date=true
+#archive_with_date=false
+
+if ! which rsync >/dev/null 2>&1; then
+  echo "rsync is not installed. Installing..."
+  sudo apt-get update
+  sudo apt-get install -y rsync
+fi
+
 if [ "$mode" == "files" ]; then
   rsync -a --exclude-from=$exclude_file --password-file=$password_file $source $user@$ip::$destination
 else
   mkdir -p $archive_dir
 
-  for dir in $source
-  do
-    archive_name=$(date +"%Y%m%d")-$(echo $dir | tr '/' '_').tar.gz
-    tar -czf $archive_dir/$archive_name $dir
+  if [ "$archive_with_date" = true ]; then
+    today=$(date +"%Y%m%d")
+    archive_dir="$archive_dir/$today"
+    mkdir -p $archive_dir
+  fi
+
+  for dir in $source; do
+    if [ "$archive_with_date" = true ]; then
+      archive_name=$(echo $dir | tr '/' '_').tar.gz
+      tar -czf $archive_dir/$archive_name $dir
+    else
+      archive_name=$(basename $dir).tar.gz
+      tar -czf $archive_dir/$(date +"%Y%m%d")-$archive_name $dir
+    fi
   done
 
-  rsync -a --exclude-from=$exclude_file --password-file=$password_file $archive_dir/* $user@$ip::$destination
+  rsync -a --exclude-from=$exclude_file --password-file=$password_file --relative $archive_dir/ $user@$ip::$destination
 
   if [ $? -eq 0 ] && [ "$delete_archive" = true ]; then
-    rm -f $archive_dir/*
+    rm -rf $archive_dir/*
   fi
-fi
+fi