Merge pull request strapi#4389 from strapi/chore/improve-install-dep-…

…error-message

Improve the error message on install dependencies error

packages/strapi-generate-new/lib/create-project.js

@@ -105,7 +105,26 @@ module.exports = async function createProject(
 
     await captureStderr('didNotInstallProjectDependencies', error);
 
-    stopProcess('Stopping installation');
+    console.log(chalk.black.bgWhite(' Keep trying!             '));
+    console.log();
+    console.log(
+      chalk.bold(
+        'Oh, it seems that you encountered errors while installing dependencies in your project.'
+      )
+    );
+    console.log(`Don't give up, your project was created correctly.`);
+    console.log(
+      `Fix the issues mentionned in the installation errors and try to run the following command:`
+    );
+    console.log();
+    console.log(
+      `cd ${chalk.green(rootPath)} && ${chalk.cyan(
+        scope.useYarn ? 'yarn' : 'npm'
+      )} install`
+    );
+    console.log();
+
+    stopProcess();
   }
 
   await trackUsage({ event: 'didCreateProject', scope });

packages/strapi-generate-new/lib/utils/stop-process.js

@@ -1,6 +1,6 @@
 'use strict';
 
 module.exports = function stopProcess(message) {
-  console.error(message);
+  if (message) console.error(message);
   process.exit(1);
 };

packages/strapi-generate-new/package.json

@@ -14,6 +14,7 @@
   },
   "dependencies": {
     "@sentry/node": "^5.7.1",
+    "chalk": "^2.4.2",
     "execa": "^1.0.0",
     "fs-extra": "^8.0.1",
     "inquirer": "^6.3.1",