clear version state when forcing install of verify

lib/download/index.js

@@ -16,7 +16,9 @@ const install = (options = {}) => {
   })
   .then((installedVersion) => {
     if (options.force) {
-      throw new Error('')
+      return utils.clearVersionState().then(() => {
+        throw new Error('')
+      })
     } else if (installedVersion === packageVersion) {
       utils.log(chalk.green(`Cypress ${packageVersion} already installed.`))
     } else {

lib/download/utils.js

@@ -45,6 +45,12 @@ const ensureInstallationDir = () => {
   return fs.ensureDirAsync(getInstallationDir())
 }
 
+const clearVersionState = () => {
+  return ensureFileInfoContents().then((contents) => {
+    return writeInfoFileContents(_.omit(contents, 'version', 'verifiedVersion'))
+  })
+}
+
 const writeInstalledVersion = (version) => {
   return ensureFileInfoContents().then((contents) => {
     return writeInfoFileContents(_.extend(contents, { version }))
@@ -137,7 +143,9 @@ const checkIfVerified = (options) => {
   .then((verifiedVersion) => {
     if (options.force || verifiedVersion !== packageVersion) {
       log(chalk.green('⧖ Verifying Cypress executable...'))
-      return runSmokeTest().then(() => {
+      return writeVerifiedVersion(null)
+      .then(runSmokeTest)
+      .then(() => {
         log()
         log(chalk.green('✓ Successfully verified Cypress executable'))
         return writeVerifiedVersion(packageVersion)
@@ -157,6 +165,7 @@ const checkIfVerified = (options) => {
       log('----------')
       log('Platform:', os.platform())
       log('Version:', version)
+      process.exit(1)
     })
   })
 }
@@ -191,6 +200,7 @@ const verify = (options = {}) => {
 }
 
 module.exports = {
+  clearVersionState,
   ensureInstallationDir,
   getInstallationDir,
   getInstalledVersion,