feat(ssl): allow SSL email to be provided via option, skip prompts (#195)

refs #194
- If --sslemail is provided, use that instead of prompting
- Makes it easier to call ghost programmatically

Author: ErisDS

lib/commands/config/advanced.js

@@ -84,6 +84,10 @@ module.exports = [{
     name: 'dbname',
     description: 'Database name',
     configPath: 'database.connection.database'
+}, {
+    name: 'sslemail',
+    description: 'SSL email address',
+    configPath: 'ssl.email'
 }, {
     name: 'auth',
     description: 'Type of authentication to use',

lib/services/nginx/index.js

@@ -73,10 +73,20 @@ class NginxService extends BaseService {
             });
         }
 
-        let answers;
         let ghostExec = process.argv.slice(0,2).join(' ');
+        let answerPromise;
+        let answers;
+
+        if (this.config.get('ssl.email', false)) {
+            answerPromise = Promise.resolve({
+                ssl: true,
+                email: this.config.get('ssl.email')
+            });
+        } else {
+            answerPromise = this.ui.prompt(prompts);
+        }
 
-        return this.ui.prompt(prompts).then((_answers) => {
+        return answerPromise.then((_answers) => {
             answers = _answers;
 
             return this.ui.noSpin(execa.shell(`sudo ${ghostExec} service nginx-conf${!answers.ssl ? ' no-ssl' : ''}`, {stdio: 'inherit'})).catch((error) => {