Support localSchemaFile flag to push to a service from local schema

packages/apollo/src/Command.ts

@@ -26,8 +26,19 @@ export interface ProjectContext<Flags = any, Args = any> {
   args: Args;
 }
 
+export interface Flags {
+  config?: string;
+  header?: string[];
+  endpoint?: string;
+  localSchemaFile?: string;
+  key?: string;
+  engine?: string;
+  frontend?: string;
+  tag?: string;
+}
+
 const headersArrayToObject = (
-  arr: string[]
+  arr?: string[]
 ): Record<string, string> | undefined => {
   if (!arr) return;
   return arr
@@ -96,7 +107,7 @@ export abstract class ProjectCommand extends Command {
       });
   }
 
-  protected async createConfig(flags: any) {
+  protected async createConfig(flags: Flags) {
     let service;
     if (process.env.ENGINE_API_KEY)
       service = getServiceFromKey(process.env.ENGINE_API_KEY);
@@ -128,6 +139,19 @@ export abstract class ProjectCommand extends Command {
       });
     }
 
+    if (flags.localSchemaFile) {
+      config.setDefaults({
+        client: {
+          service: {
+            localSchemaFile: flags.localSchemaFile
+          }
+        },
+        service: {
+          localSchemaFile: flags.localSchemaFile
+        }
+      });
+    }
+
     // load per command type defaults;
     if (this.configMap) {
       const defaults = this.configMap(flags);

packages/apollo/src/commands/client/codegen.ts

@@ -44,6 +44,9 @@ export default class Generate extends ClientCommand {
         "Type of code generator to use (swift | typescript | flow | scala), inferred from output",
       required: true
     }),
+    localSchemaFile: flags.string({
+      description: "Path to your local GraphQL schema file"
+    }),
     addTypename: flags.boolean({
       description: "Automatically add __typename to your queries",
       default: true

packages/apollo/src/commands/client/extract.ts

@@ -22,8 +22,8 @@ const engineSignature = (_TODO_operationAST: DocumentNode): string => {
   return engineDefaultSignature(_TODO_operationAST, "TODO");
 };
 
-export default class ServicePush extends ClientCommand {
-  static description = "Push a service to Engine";
+export default class ClientExtract extends ClientCommand {
+  static description = "Extract queries from a client";
   static flags = {
     ...ClientCommand.flags
   };

packages/apollo/src/commands/service/push.ts

@@ -12,8 +12,11 @@ export default class ServicePush extends ProjectCommand {
     ...ProjectCommand.flags,
     tag: flags.string({
       char: "t",
-      description: "The published tag to check this service against",
+      description: "The tag to publish this service to",
       default: "current"
+    }),
+    localSchemaFile: flags.string({
+      description: "Path to your local GraphQL schema file"
     })
   };
 
@@ -27,6 +30,7 @@ export default class ServicePush extends ProjectCommand {
           if (!config.name) {
             throw new Error("No service found to link to Engine");
           }
+
           const schema = await project.resolveSchema({ tag: flags.tag });
           gitContext = await gitInfo();