start moving appveyor build steps into shelljs file (#785)

* start moving appveyor build steps into shelljs file

* moved appveyor commands into shell script

* build on this branch

scripts/win-appveyor-build.js

@@ -0,0 +1,49 @@
+#!/usr/bin/env node
+
+/* eslint-disable no-console */
+
+// builds Windows binary on AppVeyor CI
+// but only on the right branch
+
+const shell = require('shelljs')
+const la = require('lazy-ass')
+const is = require('check-more-types')
+
+shell.set('-v') // verbose
+shell.set('-e') // any error is fatal
+
+// https://www.appveyor.com/docs/environment-variables/
+
+const isRightBranch = () =>
+  process.env.APPVEYOR_REPO_BRANCH === 'develop' ||
+  process.env.APPVEYOR_REPO_BRANCH === 'win-build-shell'
+
+const isPullRequest = () =>
+  Boolean(process.env.APPVEYOR_PULL_REQUEST_NUMBER)
+
+const shouldBuildBinary = () =>
+  isRightBranch() && !isPullRequest()
+
+if (!shouldBuildBinary()) {
+  console.log('should not build binary')
+  process.exit(0)
+}
+
+console.log('building binary')
+
+const hash = `${process.env.APPVEYOR_REPO_BRANCH}-${process.env.APPVEYOR_REPO_COMMIT}-${process.env.APPVEYOR_BUILD_ID}`
+const filename = `cypress-${process.env.NEXT_DEV_VERSION}.tgz`
+const version = process.env.NEXT_DEV_VERSION
+la(is.unemptyString(version), 'missing NEXT_DEV_VERSION')
+
+console.log('building version', version)
+console.log('upload hash', hash)
+
+shell.exec(`node scripts/binary.js upload-npm-package --file cli/build/${filename} --version ${version} --hash ${hash}`)
+shell.cat('npm-package-url.json')
+shell.exec(`npm run binary-build -- --platform windows --version ${version}`)
+shell.exec('npm run binary-zip')
+shell.ls('-l', '*.zip')
+shell.exec(`node scripts/binary.js upload-unique-binary --file cypress.zip --version ${version} --hash ${hash}`)
+shell.cat('binary-url.json')
+shell.exec('node scripts/test-other-projects.js --npm npm-package-url.json --binary binary-url.json --provider appVeyor')