plugin: Add diff_launguage to PlanPreview result models (#6083)

* add diff_language to PlanPreviewResult

Signed-off-by: t-kikuc <tkikuchi07f@gmail.com>

* add diff_launguage to PluginPlanPreviewResult model

Signed-off-by: t-kikuc <tkikuchi07f@gmail.com>

---------

Signed-off-by: t-kikuc <tkikuchi07f@gmail.com>

Author: t-kikuc

pkg/model/planpreview.pb.go

@@ -83,4 +83,8 @@ message PluginPlanPreviewResult {
     string deploy_target = 2;
     bytes plan_summary = 3;
     bytes plan_details = 4;
+
+    // The language to render the details like "diff","hcl".
+    // If this is empty, "diff" will be used by default.
+    string diff_language = 5;
 }

pkg/model/planpreview.pb.validate.go

@@ -49,4 +49,8 @@ message PlanPreviewResult{
     bool no_change = 3;
     // Content of the result.
     bytes details = 4;
+
+    // The language to render the details like "diff","hcl".
+    // If this is empty, "diff" will be used by default.
+    string diff_language = 5;
 }

pkg/model/planpreview.proto

@@ -155,6 +155,9 @@ export class PluginPlanPreviewResult extends jspb.Message {
   getPlanDetails_asB64(): string;
   setPlanDetails(value: Uint8Array | string): PluginPlanPreviewResult;
 
+  getDiffLanguage(): string;
+  setDiffLanguage(value: string): PluginPlanPreviewResult;
+
   serializeBinary(): Uint8Array;
   toObject(includeInstance?: boolean): PluginPlanPreviewResult.AsObject;
   static toObject(includeInstance: boolean, msg: PluginPlanPreviewResult): PluginPlanPreviewResult.AsObject;
@@ -169,6 +172,7 @@ export namespace PluginPlanPreviewResult {
     deployTarget: string,
     planSummary: Uint8Array | string,
     planDetails: Uint8Array | string,
+    diffLanguage: string,
   }
 }