Add option to ignor mathing kvs in diff utils.

Author: albertofori

src/azure-cli/azure/cli/command_modules/appconfig/_diff_utils.py

@@ -32,7 +32,7 @@ def __init__(self, src_kvs, compare_fields, preserve_labels=True, label=None, co
                 kv.label = label
 
     # Returns a diff in the form {"add": List[KeyValue], "delete": List[KeyValue], "update": List[{"new": KeyValue, "old": KeyValue}]}
-    def compare(self, dest_kvs, strict=False):
+    def compare(self, dest_kvs, strict=False, ignore_matching_kvs=True):
         if not strict and not self._src_kvs:
             return {}
 
@@ -52,7 +52,7 @@ def compare(self, dest_kvs, strict=False):
                 kv_diff[JsonDiff.ADD].append(kv)
 
             else:
-                if not self._kv_equals(kv, dest_kv_lookup[lookup_key], self._compare_fields):
+                if not (ignore_matching_kvs and self._kv_equals(kv, dest_kv_lookup[lookup_key], self._compare_fields)):
                     kv_diff[JsonDiff.UPDATE].append({"new": kv, "old": dest_kv_lookup[lookup_key]})
 
                 del dest_kv_lookup[lookup_key]

src/azure-cli/azure/cli/command_modules/appconfig/keyvalue.py

@@ -175,7 +175,7 @@ def import_config(cmd,
         label=label,
         content_type=content_type)
 
-    kv_diff = kv_comparer.compare(dest_kvs=dest_kvs, strict=strict)
+    kv_diff = kv_comparer.compare(dest_kvs=dest_kvs, strict=strict, ignore_matching_kvs=import_mode==ImportMode.IGNORE_MATCH)
     # Show indented key-value preview similar to kvset for appconfig source
     indent = 2 if source == "appconfig" else None
     need_kv_change = print_preview(kv_diff, source, yes=yes, strict=strict, title="Key Values", indent=indent)
@@ -198,7 +198,7 @@ def import_config(cmd,
             compare_fields=CompareFieldsMap[source],
             preserve_labels=source == "appconfig" and preserve_labels,
             label=label)
-        ff_diff = ff_comparer.compare(dest_kvs=dest_features, strict=strict)
+        ff_diff = ff_comparer.compare(dest_kvs=dest_features, strict=strict, ignore_matching_kvs=import_mode==ImportMode.IGNORE_MATCH)
         need_feature_change = print_preview(ff_diff, source, yes=yes, strict=strict, title="Feature Flags")
 
     if not need_kv_change and not need_feature_change: