Remove workaround for setOutput

__tests__/context.test.ts

@@ -1,6 +1,5 @@
 import {beforeEach, describe, expect, it, jest, test} from '@jest/globals';
 import * as fs from 'fs';
-import * as os from 'os';
 import * as path from 'path';
 
 import * as context from '../src/context';
@@ -690,30 +689,6 @@ describe('asyncForEach', () => {
   });
 });
 
-describe('setOutput', () => {
-  beforeEach(() => {
-    process.stdout.write = jest.fn() as typeof process.stdout.write;
-  });
-
-  // eslint-disable-next-line jest/expect-expect
-  it('setOutput produces the correct command', () => {
-    context.setOutput('some output', 'some value');
-    assertWriteCalls([`::set-output name=some output::some value${os.EOL}`]);
-  });
-
-  // eslint-disable-next-line jest/expect-expect
-  it('setOutput handles bools', () => {
-    context.setOutput('some output', false);
-    assertWriteCalls([`::set-output name=some output::false${os.EOL}`]);
-  });
-
-  // eslint-disable-next-line jest/expect-expect
-  it('setOutput handles numbers', () => {
-    context.setOutput('some output', 1.01);
-    assertWriteCalls([`::set-output name=some output::1.01${os.EOL}`]);
-  });
-});
-
 // See: https://github.com/actions/toolkit/blob/a1b068ec31a042ff1e10a522d8fdf0b8869d53ca/packages/core/src/core.ts#L89
 function getInputName(name: string): string {
   return `INPUT_${name.replace(/ /g, '_').toUpperCase()}`;
@@ -722,11 +697,3 @@ function getInputName(name: string): string {
 function setInput(name: string, value: string): void {
   process.env[getInputName(name)] = value;
 }
-
-// Assert that process.stdout.write calls called only with the given arguments.
-function assertWriteCalls(calls: string[]): void {
-  expect(process.stdout.write).toHaveBeenCalledTimes(calls.length);
-  for (let i = 0; i < calls.length; i++) {
-    expect(process.stdout.write).toHaveBeenNthCalledWith(i + 1, calls[i]);
-  }
-}

src/context.ts

@@ -1,14 +1,11 @@
-import {parse} from 'csv-parse/sync';
 import * as fs from 'fs';
 import * as os from 'os';
 import * as path from 'path';
 import * as tmp from 'tmp';
-
+import * as buildx from './buildx';
 import * as core from '@actions/core';
-import {issueCommand} from '@actions/core/lib/command';
 import * as github from '@actions/github';
-
-import * as buildx from './buildx';
+import {parse} from 'csv-parse/sync';
 import * as handlebars from 'handlebars';
 
 let _defaultContext, _tmpDir: string;
@@ -248,8 +245,3 @@ export const asyncForEach = async (array, callback) => {
     await callback(array[index], index, array);
   }
 };
-
-// FIXME: Temp fix https://github.com/actions/toolkit/issues/777
-export function setOutput(name: string, value: unknown): void {
-  issueCommand('set-output', {name}, value);
-}

src/main.ts

@@ -60,19 +60,19 @@ async function run(): Promise<void> {
     if (imageID) {
       await core.group(`ImageID`, async () => {
         core.info(imageID);
-        context.setOutput('imageid', imageID);
+        core.setOutput('imageid', imageID);
       });
     }
     if (digest) {
       await core.group(`Digest`, async () => {
         core.info(digest);
-        context.setOutput('digest', digest);
+        core.setOutput('digest', digest);
       });
     }
     if (metadata) {
       await core.group(`Metadata`, async () => {
         core.info(metadata);
-        context.setOutput('metadata', metadata);
+        core.setOutput('metadata', metadata);
       });
     }
   } catch (error) {