handle first upload

Signed-off-by: Andrew Duffy <andrew@a10y.dev>

Author: a10y

scripts/cat-s3.sh

@@ -12,7 +12,18 @@ local_concatenated=$(mktemp)
 n_failures=0
 
 while (( n_failures < 100 )); do
-    current_etag=$(aws s3api head-object --bucket "$bucket" --key "$key" --query ETag --output text)
+    current_etag=$(aws s3api head-object --bucket "$bucket" --key "$key" --query ETag --output text 2>/dev/null) || {
+        # File doesn't exist yet, create it fresh
+        echo "File does not exist in S3, creating new file."
+        if [[ "$key" =~ \.gz$ ]]; then
+            gzip -c "$local_file_to_concatenate" > "$local_concatenated"
+        else
+            cp "$local_file_to_concatenate" "$local_concatenated"
+        fi
+        aws s3api put-object --bucket "$bucket" --key "$key" --body "$local_concatenated"
+        echo "File created and uploaded successfully."
+        exit 0
+    }
     if [[ "$current_etag" == "null" ]]; then
         echo "Failed to retrieve ETag. Exiting."
         exit 1
@@ -32,7 +43,7 @@ while (( n_failures < 100 )); do
         gzip -c "$local_decompressed_concat" > "$local_concatenated"
         rm "$local_decompressed" "$local_decompressed_concat"
     else
-        cat $local_copy $local_file_to_concatenate > $local_concatenated
+        cat "$local_copy" "$local_file_to_concatenate" > "$local_concatenated"
     fi