Ensure all packages are packed while tracing (#28263)

* Ensure all packages are packed while tracing

* bump

scripts/trace-next-server.js

@@ -5,6 +5,8 @@ const fs = require('fs-extra')
 const prettyBytes = require('pretty-bytes')
 const gzipSize = require('next/dist/compiled/gzip-size')
 const { nodeFileTrace } = require('next/dist/compiled/@vercel/nft')
+const { linkPackages } =
+  require('../.github/actions/next-stats-action/src/prepare/repo-setup')()
 
 const MAX_COMPRESSED_SIZE = 250 * 1000
 const MAX_UNCOMPRESSED_SIZE = 2.5 * 1000 * 1000
@@ -16,26 +18,20 @@ const MAX_UNCOMPRESSED_SIZE = 2.5 * 1000 * 1000
 // version so isn't pre-traced
 async function main() {
   const tmpdir = os.tmpdir()
-  await execa('yarn', ['pack'], {
-    cwd: path.join(__dirname, '../packages/next'),
-    stdio: ['ignore', 'inherit', 'inherit'],
-  })
-  const packagePath = path.join(
-    __dirname,
-    `../packages/next/next-v${
-      require('../packages/next/package.json').version
-    }.tgz`
-  )
+  const repoDir = path.join(__dirname, '..')
   const workDir = path.join(tmpdir, `trace-next-${Date.now()}`)
+
   console.log('using workdir', workDir)
   await fs.ensureDir(workDir)
 
+  const pkgPaths = await linkPackages(repoDir)
+
   await fs.writeFile(
     path.join(workDir, 'package.json'),
     JSON.stringify(
       {
         dependencies: {
-          next: packagePath,
+          next: pkgPaths.get('next'),
         },
         private: true,
       },
@@ -52,6 +48,16 @@ async function main() {
     },
   })
 
+  // remove temporary package packs
+  pkgPaths.forEach((packagePath) => {
+    fs.unlinkSync(packagePath)
+  })
+  // remove changes to package.json files from packing
+  await execa('git', ['checkout', '.'], {
+    cwd: repoDir,
+    stdio: ['ignore', 'inherit', 'inherit'],
+  })
+
   const nextServerPath = path.join(
     workDir,
     'node_modules/next/dist/server/next-server.js'
@@ -112,7 +118,6 @@ async function main() {
       version: 1,
     })
   )
-  await fs.unlink(packagePath)
   await fs.remove(workDir)
 
   console.timeEnd(traceLabel)