add expo-updates github action (#3270)

* add expo-updates github action

* add two scripts

scripts/bundleUpdate.js

@@ -0,0 +1,104 @@
+const crypto = require('crypto')
+const fs = require('fs')
+const fsp = fs.promises
+const path = require('path')
+
+const DIST_DIR = './dist'
+const BUNDLES_DIR = '/_expo/static/js'
+const IOS_BUNDLE_DIR = path.join(DIST_DIR, BUNDLES_DIR, '/ios')
+const ANDROID_BUNDLE_DIR = path.join(DIST_DIR, BUNDLES_DIR, '/android')
+const METADATA_PATH = path.join(DIST_DIR, '/metadata.json')
+const DEST_DIR = './bundleTempDir'
+
+// Weird, don't feel like figuring out _why_ it wants this
+const METADATA = require(`../${METADATA_PATH}`)
+const IOS_METADATA_ASSETS = METADATA.fileMetadata.ios.assets
+const ANDROID_METADATA_ASSETS = METADATA.fileMetadata.android.assets
+
+const getMd5 = async path => {
+  return new Promise(res => {
+    const hash = crypto.createHash('md5')
+    const rStream = fs.createReadStream(path)
+    rStream.on('data', data => {
+      hash.update(data)
+    })
+    rStream.on('end', () => {
+      res(hash.digest('hex'))
+    })
+  })
+}
+
+const moveFiles = async () => {
+  console.log('Making directory...')
+  await fsp.mkdir(DEST_DIR)
+  await fsp.mkdir(path.join(DEST_DIR, '/assets'))
+
+  console.log('Getting ios md5...')
+  const iosCurrPath = path.join(
+    IOS_BUNDLE_DIR,
+    (await fsp.readdir(IOS_BUNDLE_DIR))[0],
+  )
+  const iosMd5 = await getMd5(iosCurrPath)
+  const iosNewPath = `bundles/${iosMd5}.bundle`
+
+  console.log('Copying ios bundle...')
+  await fsp.cp(iosCurrPath, path.join(DEST_DIR, iosNewPath))
+
+  console.log('Getting android md5...')
+  const androidCurrPath = path.join(
+    ANDROID_BUNDLE_DIR,
+    (await fsp.readdir(ANDROID_BUNDLE_DIR))[0],
+  )
+  const androidMd5 = await getMd5(androidCurrPath)
+  const androidNewPath = `bundles/${androidMd5}.bundle`
+
+  console.log('Copying android bundle...')
+  await fsp.cp(androidCurrPath, path.join(DEST_DIR, androidNewPath))
+
+  const iosAssets = []
+  const androidAssets = []
+
+  console.log('Getting ios asset md5s and moving them...')
+  for (const asset of IOS_METADATA_ASSETS) {
+    const currPath = path.join(DIST_DIR, asset.path)
+    const md5 = await getMd5(currPath)
+    const withExtPath = `assets/${md5}.${asset.ext}`
+    iosAssets.push(withExtPath)
+    await fsp.cp(currPath, path.join(DEST_DIR, withExtPath))
+  }
+
+  console.log('Getting android asset md5s and moving them...')
+  for (const asset of ANDROID_METADATA_ASSETS) {
+    const currPath = path.join(DIST_DIR, asset.path)
+    const md5 = await getMd5(currPath)
+    const withExtPath = `assets/${md5}.${asset.ext}`
+    androidAssets.push(withExtPath)
+    await fsp.cp(currPath, path.join(DEST_DIR, withExtPath))
+  }
+
+  const result = {
+    version: 0,
+    bundler: 'metro',
+    fileMetadata: {
+      ios: {
+        bundle: iosNewPath,
+        assets: iosAssets,
+      },
+      android: {
+        bundle: androidNewPath,
+        assets: androidAssets,
+      },
+    },
+  }
+
+  console.log('Writing metadata...')
+  await fsp.writeFile(
+    path.join(DEST_DIR, 'metadata.json'),
+    JSON.stringify(result),
+  )
+
+  console.log('Finished!')
+  console.log('Metadata:', result)
+}
+
+moveFiles()

scripts/bundleUpdate.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+set -o errexit
+set -o pipefail
+set -o nounset
+
+rm -rf bundleTempDir
+rm -rf bundle.tar.gz
+
+echo "Creating tarball..."
+node scripts/bundleUpdate.js
+
+cd bundleTempDir || exit
+
+BUNDLE_VERSION=$(date +%s)
+DEPLOYMENT_URL="https://updates.bsky.app/v1/upload?runtime-version=$RUNTIME_VERSION&bundle-version=$BUNDLE_VERSION"
+
+tar czvf bundle.tar.gz ./*
+
+echo "Deploying to $DEPLOYMENT_URL..."
+
+curl -o - --form "bundle=@./bundle.tar.gz" --user "bsky:$DENIS_API_KEY" --basic "$DEPLOYMENT_URL"
+
+cd ..
+
+rm -rf bundleTempDir
+rm -rf bundle.tar.gz