fix: Now deployment

cli/prisma2/package.json

@@ -66,7 +66,7 @@
   "scripts": {
     "test": "./fixtures/test.sh && ./node_modules/.bin/mocha src/__tests__/integrate.test.ts --require ts-mocha src/__tests__/integrate.test.ts --timeout 10s",
     "test:debug": "./node_modules/.bin/mocha --inspect-brk src/__tests__/integrate.test.ts --require ts-mocha src/__tests__/integrate.test.ts --timeout 10s",
-    "install": "node download-build/index.js || echo \"\"",
+    "install": "node download-build/index.js || echo \"Have fun with prisma2!\"",
     "download": "node scripts/updateTag.js && node download-build/index.js || echo \"\"",
     "tsc": "tsc -d && cp src/capture-worker.js dist/capture-worker.js && scripts/copy-runtime-dist.sh",
     "ncc": "ncc build dist/bin.js -o build",

cli/prisma2/scripts/download.js

@@ -1,5 +1,10 @@
 const { download } = require('@prisma/fetch-engine')
 const pkg = require('../package.json')
+const fs = require('fs')
+const path = require('path')
+const pkgUp = require('pkg-up')
+const Debug = require('debug')
+const debug = Debug('prisma2:download')
 
 const binaryPath = eval(`require('path').join(__dirname, '../')`)
 
@@ -14,3 +19,38 @@ download({
   showProgress: true,
   version,
 })
+
+// if we are in a Now context, ensure that `prisma2 generate` is in the postinstall hook
+if (process.env.INIT_CWD && process.env.NOW_BUILDER) {
+  ensurePostInstall().catch(e => {
+    debug(e)
+  })
+}
+
+async function ensurePostInstall() {
+  const appPkg = path.resolve(process.env.INIT_CWD, 'package.json')
+  if (fs.existsSync(appPkg)) {
+    ensurePostInstallPackage(appPkg)
+  } else {
+    const pkgPath = await pkgUp({
+      cwd: path.join(process.cwd(), '..'),
+    })
+    if (pkgPath) {
+      ensurePostInstallPackage(pkgPath)
+    }
+  }
+}
+
+function ensurePostInstallPackage(pkgPath) {
+  const pkg = JSON.parse(fs.readFileSync(pkgPath, 'utf-8'))
+
+  pkg.scripts = pkg.scripts || {}
+
+  if (!pkg.scripts.postinstall) {
+    pkg.scripts.postinstall = 'prisma2 generate'
+  } else {
+    pkg.scripts.postinstall = `prisma2 generate && ${pkg.scripts.postinstall}`
+  }
+
+  fs.writeFileSync(pkgPath, JSON.stringify(pkg, null, 2))
+}