Use travis-fold

package.json

@@ -19,6 +19,7 @@
     "oboe": "^2.1.3",
     "source-map-support": "^0.4.0",
     "tar": "^2.2.1",
+    "travis-fold": "^0.1.2",
     "typescript": "next",
     "yargs": "^8.0.2"
   },

src/check-parse-results.ts

@@ -1,3 +1,5 @@
+import * as fold from "travis-fold";
+
 import { Options } from "./lib/common";
 import { fetchNpmInfo, NpmInfoVersion, NpmInfoVersions } from "./lib/npm-client";
 import { AllPackages, AnyPackage, TypingsData } from "./lib/packages";
@@ -18,9 +20,11 @@ export default async function main(includeNpmChecks: boolean, options: Options,
 
 	checkPathMappings(allPackages);
 
+	if (fold.isTravis()) console.log(fold.start("Duplicate packages"));
 	const packages = allPackages.allPackages();
 	checkForDuplicates(packages, pkg => pkg.libraryName, "Library Name", log);
 	checkForDuplicates(packages, pkg => pkg.projectName, "Project Name", log);
+	if (fold.isTravis()) console.log(fold.end("Duplicate packages"));
 
 	const dependedOn = new Set<string>();
 	for (const pkg of packages) {

src/tester/test-runner.ts

@@ -1,4 +1,5 @@
 import { pathExists } from "fs-extra";
+import * as fold from "travis-fold";
 import * as yargs from "yargs";
 
 import { Options } from "../lib/common";
@@ -86,6 +87,7 @@ async function runTests(
 ): Promise<void> {
 	const allFailures: Array<[string, string]> = [];
 
+	if (fold.isTravis()) console.log(fold.start("tests"));
 	await runWithListeningChildProcesses({
 		inputs: packages.map(p => ({ path: p.subDirectoryPath, onlyTestTsNext: !changed.has(p) })),
 		commandLineArgs: ["--listen"],
@@ -103,6 +105,7 @@ async function runTests(
 			}
 		},
 	});
+	if (fold.isTravis()) console.log(fold.end("tests"));
 
 	if (allFailures.length === 0) {
 		return;

src/types/travis-fold.d.ts

@@ -0,0 +1,8 @@
+declare module "travis-fold" {
+    export function start(group: string): string;
+    export function end(group: string): string;
+    export function wrap(group: string, content: string): string;
+    export function pushStart(ret: string[], group: string): void;
+    export function pushEnd(ret: string[], group: string): void;
+    export function isTravis(): boolean;
+}