updater min version idea

Gruntfile.js

@@ -17,6 +17,7 @@ module.exports = function(grunt) {
     var pkg = require('./package.json');
     var dt = new Date().toISOString().replace(/T.*/, '');
     var electronVersion = '0.36.4';
+    var appUpdateMinVersion = '0.5.0';
 
     function replaceFont(css) {
         css.walkAtRules('font-face', function (rule) {
@@ -152,7 +153,8 @@ module.exports = function(grunt) {
             manifest: {
                 options: {
                     replacements: [
-                        { pattern: '# YYYY-MM-DD:v0.0.0', replacement: '# ' + dt + ':v' + pkg.version }
+                        { pattern: '# YYYY-MM-DD:v0.0.0', replacement: '# ' + dt + ':v' + pkg.version },
+                        { pattern: '# updmin:v0.0.0', replacement: '# updmin:v' + appUpdateMinVersion }
                     ]
                 },
                 files: { 'dist/manifest.appcache': 'app/manifest.appcache' }

app/manifest.appcache

@@ -1,6 +1,7 @@
 CACHE MANIFEST
 
 # YYYY-MM-DD:v0.0.0
+# updmin:v0.0.0
 
 CACHE:
 index.html

app/scripts/comp/updater.js

@@ -98,6 +98,7 @@ var Updater = {
                     that.scheduleNextCheck();
                     return;
                 }
+                var updateMinVersionMatch = data.match(/#\s*updmin:v([\d+\.\w]+)/);
                 var prevLastVersion = UpdateModel.instance.get('lastVersion');
                 UpdateModel.instance.set({
                     status: 'ok',
@@ -105,7 +106,8 @@ var Updater = {
                     lastSuccessCheckDate: dt,
                     lastVersionReleaseDate: new Date(match[1]),
                     lastVersion: match[2],
-                    lastcheckError: null
+                    lastCheckError: null,
+                    lastCheckUpdMin: updateMinVersionMatch ? updateMinVersionMatch[1] : null
                 });
                 UpdateModel.instance.save();
                 that.scheduleNextCheck();

app/scripts/models/update-model.js

@@ -10,6 +10,7 @@ var UpdateModel = Backbone.Model.extend({
         lastVersion: null,
         lastVersionReleaseDate: null,
         lastCheckError: null,
+        lastCheckUpdMin: null,
         status: null,
         updateStatus: null,
         updateError: null,