[updates] Change fingeprint diff to use versioned fingerprint CLI

packages/build-tools/src/utils/__tests__/diffFingerprintsAsync.test.ts

@@ -0,0 +1,84 @@
+import { vol } from 'memfs';
+import fs from 'fs-extra';
+
+import { diffFingerprintsAsync } from '../diffFingerprintsAsync';
+import {
+  ExpoFingerprintCLIModuleNotFoundError,
+  expoFingerprintCommandAsync,
+} from '../expoFingerprintCli';
+
+jest.mock('../expoFingerprintCli', () => ({
+  ...jest.requireActual('../expoFingerprintCli'),
+  expoFingerprintCommandAsync: jest.fn(),
+}));
+
+jest.mock('fs');
+
+describe(diffFingerprintsAsync, () => {
+  beforeEach(async () => {
+    vol.reset();
+  });
+
+  it('falls back to local when CLI is not available', async () => {
+    await fs.mkdirp('test');
+    await fs.writeFile(
+      'test/fp1',
+      Buffer.from(
+        JSON.stringify({
+          sources: [
+            {
+              type: 'file',
+              filePath: './assets/images/adaptive-icon.png',
+              reasons: ['expoConfigExternalFile'],
+              hash: '19b53640a95efdc2ccc7fc20f3ea4d0d381bb5c4',
+            },
+          ],
+        })
+      )
+    );
+
+    await fs.writeFile(
+      'test/fp2',
+      Buffer.from(
+        JSON.stringify({
+          sources: [
+            {
+              type: 'file',
+              filePath: './assets/images/adaptive-icon.png',
+              reasons: ['expoConfigExternalFile'],
+              hash: '19b53640a95efdc2ccc7fc20f3ea4d0d381bb5c5',
+            },
+          ],
+        })
+      )
+    );
+
+    jest
+      .mocked(expoFingerprintCommandAsync)
+      .mockRejectedValue(new ExpoFingerprintCLIModuleNotFoundError());
+
+    const diff = await diffFingerprintsAsync('test', 'test/fp1', 'test/fp2', {
+      env: {},
+      logger: { debug: jest.fn() } as any,
+    });
+    expect(diff).toEqual(
+      JSON.stringify([
+        {
+          op: 'changed',
+          beforeSource: {
+            type: 'file',
+            filePath: './assets/images/adaptive-icon.png',
+            reasons: ['expoConfigExternalFile'],
+            hash: '19b53640a95efdc2ccc7fc20f3ea4d0d381bb5c4',
+          },
+          afterSource: {
+            type: 'file',
+            filePath: './assets/images/adaptive-icon.png',
+            reasons: ['expoConfigExternalFile'],
+            hash: '19b53640a95efdc2ccc7fc20f3ea4d0d381bb5c5',
+          },
+        },
+      ])
+    );
+  });
+});

packages/build-tools/src/utils/diffFingerprintsAsync.ts

@@ -0,0 +1,56 @@
+import { BuildStepEnv } from '@expo/steps';
+import fs from 'fs-extra';
+import { bunyan } from '@expo/logger';
+
+import {
+  ExpoFingerprintCLICommandFailedError,
+  ExpoFingerprintCLIInvalidCommandError,
+  ExpoFingerprintCLIModuleNotFoundError,
+  expoFingerprintCommandAsync,
+} from './expoFingerprintCli';
+import { diffFingerprints } from './fingerprint';
+
+export async function diffFingerprintsAsync(
+  projectDir: string,
+  fingerprint1File: string,
+  fingerprint2File: string,
+  { env, logger }: { env: BuildStepEnv; logger: bunyan }
+): Promise<string> {
+  try {
+    return await diffFingerprintsCommandAsync(projectDir, fingerprint1File, fingerprint2File, {
+      env,
+    });
+  } catch (e) {
+    if (
+      e instanceof ExpoFingerprintCLIModuleNotFoundError ||
+      e instanceof ExpoFingerprintCLICommandFailedError ||
+      e instanceof ExpoFingerprintCLIInvalidCommandError
+    ) {
+      logger.debug('Falling back to local fingerprint diff');
+      return await diffFingerprintsFallbackAsync(fingerprint1File, fingerprint2File);
+    }
+    throw e;
+  }
+}
+
+async function diffFingerprintsCommandAsync(
+  projectDir: string,
+  fingerprint1File: string,
+  fingerprint2File: string,
+  { env }: { env: BuildStepEnv }
+): Promise<string> {
+  return await expoFingerprintCommandAsync(projectDir, [fingerprint1File, fingerprint2File], {
+    env,
+  });
+}
+
+async function diffFingerprintsFallbackAsync(
+  fingerprint1File: string,
+  fingerprint2File: string
+): Promise<string> {
+  const [fingeprint1, fingerprint2] = await Promise.all([
+    fs.readJSON(fingerprint1File),
+    fs.readJSON(fingerprint2File),
+  ]);
+  return JSON.stringify(diffFingerprints(fingeprint1, fingerprint2));
+}

packages/build-tools/src/utils/expoFingerprintCli.ts

@@ -0,0 +1,51 @@
+import resolveFrom from 'resolve-from';
+import spawnAsync from '@expo/turtle-spawn';
+import { BuildStepEnv } from '@expo/steps';
+
+export class ExpoFingerprintCLIModuleNotFoundError extends Error {}
+export class ExpoFingerprintCLIInvalidCommandError extends Error {}
+export class ExpoFingerprintCLICommandFailedError extends Error {}
+
+function resolveExpoFingerprintCLI(projectRoot: string): string {
+  const expoPackageRoot = resolveFrom.silent(projectRoot, 'expo/package.json');
+  try {
+    return (
+      resolveFrom.silent(expoPackageRoot ?? projectRoot, '@expo/fingerprint/bin/cli') ??
+      resolveFrom(expoPackageRoot ?? projectRoot, '@expo/fingerprint/bin/cli.js')
+    );
+  } catch (e: any) {
+    if (e.code === 'MODULE_NOT_FOUND') {
+      throw new ExpoFingerprintCLIModuleNotFoundError(
+        `The \`@expo/fingerprint\` package was not found.`
+      );
+    }
+    throw e;
+  }
+}
+
+export async function expoFingerprintCommandAsync(
+  projectDir: string,
+  args: string[],
+  { env }: { env: BuildStepEnv }
+): Promise<string> {
+  const expoFingerprintCli = resolveExpoFingerprintCLI(projectDir);
+  try {
+    const spawnResult = await spawnAsync(expoFingerprintCli, args, {
+      stdio: 'pipe',
+      cwd: projectDir,
+      env,
+    });
+    return spawnResult.stdout;
+  } catch (e: any) {
+    if (e.stderr && typeof e.stderr === 'string') {
+      if (e.stderr.includes('Invalid command')) {
+        throw new ExpoFingerprintCLIInvalidCommandError(
+          `The command specified by ${args} was not valid in the \`@expo/fingerprint\` CLI.`
+        );
+      } else {
+        throw new ExpoFingerprintCLICommandFailedError(e.stderr);
+      }
+    }
+    throw e;
+  }
+}

packages/build-tools/src/utils/expoUpdates.ts

@@ -1,5 +1,8 @@
 import assert from 'assert';
+import os from 'os';
+import path from 'path';
 
+import { v4 as uuidv4 } from 'uuid';
 import { Platform, Job, BuildJob, Workflow, FingerprintSourceType } from '@expo/eas-build-job';
 import semver from 'semver';
 import { ExpoConfig } from '@expo/config';
@@ -24,12 +27,8 @@ import { BuildContext } from '../context';
 
 import getExpoUpdatesPackageVersionIfInstalledAsync from './getExpoUpdatesPackageVersionIfInstalledAsync';
 import { resolveRuntimeVersionAsync } from './resolveRuntimeVersionAsync';
-import {
-  Fingerprint,
-  FingerprintSource,
-  diffFingerprints,
-  stringifyFingerprintDiff,
-} from './fingerprint';
+import { diffFingerprintsAsync } from './diffFingerprintsAsync';
+import { stringifyFingerprintDiff } from './fingerprint';
 
 export async function setRuntimeVersionNativelyAsync(
   ctx: BuildContext<Job>,
@@ -85,7 +84,7 @@ export async function configureEASExpoUpdatesAsync(ctx: BuildContext<BuildJob>):
 
 type ResolvedRuntime = {
   resolvedRuntimeVersion: string | null;
-  resolvedFingerprintSources?: FingerprintSource[] | null;
+  resolvedFingerprintSources?: object[] | null;
 };
 
 export async function configureExpoUpdatesIfInstalledAsync(
@@ -176,7 +175,7 @@ export async function resolveRuntimeVersionForExpoUpdatesIfConfiguredAsync({
   env: BuildStepEnv;
 }): Promise<{
   runtimeVersion: string | null;
-  fingerprintSources: FingerprintSource[] | null;
+  fingerprintSources: object[] | null;
 } | null> {
   const expoUpdatesPackageVersion = await getExpoUpdatesPackageVersionIfInstalledAsync(cwd, logger);
   if (expoUpdatesPackageVersion === null) {
@@ -261,23 +260,34 @@ async function logDiffFingerprints({
     try {
       const fingerprintSource = ctx.metadata.fingerprintSource;
 
-      let localFingerprint: Fingerprint | null = null;
+      let localFingerprintFile: string | null = null;
 
       if (fingerprintSource.type === FingerprintSourceType.URL) {
         const result = await fetch(fingerprintSource.url);
-        localFingerprint = await result.json();
+        const localFingerprintJSON = await result.json();
+        localFingerprintFile = path.join(os.tmpdir(), `eas-build-${uuidv4()}-local-fingerprint`);
+        await fs.writeFile(localFingerprintFile, JSON.stringify(localFingerprintJSON));
       } else if (fingerprintSource.type === FingerprintSourceType.PATH) {
-        localFingerprint = await fs.readJson(fingerprintSource.path);
+        localFingerprintFile = fingerprintSource.path;
       } else {
         ctx.logger.warn(`Invalid fingerprint source type: ${fingerprintSource.type}`);
       }
 
-      if (localFingerprint) {
+      if (localFingerprintFile) {
         const easFingerprint = {
           hash: resolvedRuntimeVersion,
           sources: resolvedFingerprintSources,
         };
-        const changes = diffFingerprints(localFingerprint, easFingerprint);
+        const easFingerprintFile = path.join(os.tmpdir(), `eas-build-${uuidv4()}-eas-fingerprint`);
+        await fs.writeFile(easFingerprintFile, JSON.stringify(easFingerprint));
+
+        const changesJSONString = await diffFingerprintsAsync(
+          ctx.getReactNativeProjectDirectory(),
+          localFingerprintFile,
+          easFingerprintFile,
+          { env: ctx.env, logger: ctx.logger }
+        );
+        const changes = JSON.parse(changesJSONString);
         if (changes.length) {
           ctx.logger.warn('Difference between local and EAS fingerprints:');
           ctx.logger.warn(stringifyFingerprintDiff(changes));

packages/build-tools/src/utils/resolveRuntimeVersionAsync.ts

@@ -6,7 +6,6 @@ import { BuildStepEnv } from '@expo/steps';
 
 import { ExpoUpdatesCLIModuleNotFoundError, expoUpdatesCommandAsync } from './expoUpdatesCli';
 import { isModernExpoUpdatesCLIWithRuntimeVersionCommandSupported } from './expoUpdates';
-import { FingerprintSource } from './fingerprint';
 
 export async function resolveRuntimeVersionAsync({
   exp,
@@ -26,7 +25,7 @@ export async function resolveRuntimeVersionAsync({
   env: BuildStepEnv;
 }): Promise<{
   runtimeVersion: string | null;
-  fingerprintSources: FingerprintSource[] | null;
+  fingerprintSources: object[] | null;
 } | null> {
   if (!isModernExpoUpdatesCLIWithRuntimeVersionCommandSupported(expoUpdatesPackageVersion)) {
     logger.debug('Using expo-updates config plugin for runtime version resolution');