Close #41

dist/modules/app/AppController.js

@@ -27,6 +27,8 @@ const GuidedConfig_1 = require("./GuidedConfig");
 const fs_1 = require("fs");
 const util_1 = require("util");
 const path_1 = require("path");
+const semverDiff = require("semver-diff");
+const terminalLink = require("terminal-link");
 /**
  * Application controller
  *
@@ -90,6 +92,19 @@ class AppController {
                 updateCheckInterval: 1000 * 60 * 60 * 12 // 12 hours
             });
             notifier.notify();
+            if (!!notifier.update) {
+                const url = 'https://github.com/thiagodp/concordialang/releases';
+                const link = terminalLink('RELEASE NOTES', url);
+                const diff = semverDiff(notifier.update.current, notifier.update.latest);
+                const hasBreakingChange = 'major' === diff;
+                if (hasBreakingChange) {
+                    cli.newLine(cli.colorHighlight('→'), cli.bgHighlight('PLEASE READ THE RELEASE NOTES BEFORE UPDATING'));
+                    cli.newLine(cli.colorHighlight('→'), link);
+                }
+                else {
+                    cli.newLine(cli.colorHighlight('→'), 'See the', link, 'for details.');
+                }
+            }
             if (options.newer) {
                 if (!notifier.update) {
                     cli.newLine(cli.symbolInfo, 'No update available');

modules/app/AppController.ts

@@ -23,6 +23,8 @@ import { GuidedConfig } from './GuidedConfig';
 import { writeFile, existsSync } from 'fs';
 import { promisify } from 'util';
 import { join } from 'path';
+import * as semverDiff from 'semver-diff';
+import * as terminalLink from 'terminal-link';
 
 /**
  * Application controller
@@ -100,6 +102,21 @@ export class AppController {
         );
         notifier.notify();
 
+        if ( !! notifier.update ) {
+            const url = 'https://github.com/thiagodp/concordialang/releases';
+            const link = terminalLink( 'RELEASE NOTES', url );
+
+            const diff = semverDiff( notifier.update.current, notifier.update.latest );
+            const hasBreakingChange: boolean = 'major' === diff;
+
+            if ( hasBreakingChange ) {
+                cli.newLine( cli.colorHighlight( '→' ), cli.bgHighlight( 'PLEASE READ THE RELEASE NOTES BEFORE UPDATING' ) );
+                cli.newLine( cli.colorHighlight( '→' ), link );
+            } else {
+                cli.newLine( cli.colorHighlight( '→' ), 'See the', link, 'for details.' );
+            }
+        }
+
         if ( options.newer ) {
             if ( ! notifier.update ) {
                 cli.newLine( cli.symbolInfo, 'No update available' );

package.json

@@ -117,9 +117,11 @@
     "pretty-bytes": "^4.0.2",
     "randexp": "^0.4.9",
     "seedrandom": "^2.4.3",
+    "semver-diff": "^3.0.0",
     "shuffle-obj-arrays": "^1.0.0",
     "sprintf-js": "^1.1.1",
     "sqlstring": "^2.3.1",
+    "terminal-link": "^1.3.0",
     "update-notifier": "^2.5.0",
     "xregexp": "^3.2.0"
   },