remove error response except default (#1295)

powershell/plugins/create-commands-v2.ts

@@ -205,7 +205,7 @@ export /* @internal */ class Inferrer {
         const hasQueryParameter = getOperation?.parameters?.find(p => p.protocol.http?.in === 'query' && p.language.default.name !== 'apiVersion');
         //parameter.protocal.http.in === 'body' probably only applies to open api 2.0
         const schema = putOperation?.requests?.[0]?.parameters?.find(p => p.protocol.http?.in === 'body')?.schema;
-        if (getOperation && !hasQueryParameter && schema && [...values(getOperation?.responses), ...values(getOperation?.exceptions)].filter(each => each.protocol?.http?.statusCodes[0] !== 'default' && (<SchemaResponse>each).schema !== schema).length === 0) {
+        if (getOperation && !hasQueryParameter && schema && [...values(getOperation?.responses)].filter(each => (<SchemaResponse>each).schema !== schema).length === 0) {
           await this.addVariants(putOperation.parameters, putOperation, this.createCommandVariant('create', [operationGroup.$key], [], this.state.model), '', this.state, [getOperation], CommandType.GetPut);
         }
       }

powershell/plugins/plugin-tweak-m4-model.ts

@@ -27,11 +27,22 @@ async function tweakModel(state: State): Promise<PwshModel> {
 
   removeM4DefaultDescription(model);
 
+  removeExceptionResponse(model);
+
   handleNoinlineDirective(state);
 
   return model;
 }
 
+//remove error responses except default
+function removeExceptionResponse(model: CodeModel) {
+  model.operationGroups.forEach(group => {
+    group.operations?.forEach(operation => {
+      operation.exceptions = operation.exceptions?.filter(exception => exception.protocol.http?.statusCodes[0] === 'default');
+    });
+  });
+}
+
 //sort path parameters to follow the order in path for each operation
 function sortParameters(model: CodeModel) {
   model.operationGroups.forEach(group => {