(breaking) Set item depth in ingest pipeline

schema/mappings.json

@@ -7,9 +7,9 @@
     "path": {
       "type": "text",
       "analyzer": "path_analyzer",
-      "copy_to": "suggest-path"
+      "copy_to": "suggest_path"
     },
-    "suggest-path": {
+    "suggest_path": {
       "type": "completion",
       "analyzer": "case_insensitive_kw_analyzer"
     },

schema/pipeline.json

@@ -1,9 +1,9 @@
 {
-  "description": "Copy _id to _tie",
+  "description": "Copy _id to _tie, save path depth",
   "processors": [
     {
       "script": {
-        "source": "ctx._tie = ctx._id;"
+        "source": "ctx._tie = ctx._id; ctx._depth = ctx.path.length() - ctx.path.replace(\"/\", \"\").length();"
       }
     }
   ]