check for blueprint updates

src/check-for-blueprint-updates.js

@@ -0,0 +1,29 @@
+'use strict';
+
+const parseBlueprint = require('./parse-blueprint');
+const downloadBlueprint = require('./download-blueprint');
+
+const toDefault = require('./args').to.default;
+
+async function checkForBlueprintUpdates(blueprints) {
+  return await Promise.all(blueprints.map(async blueprint => {
+    let parsedBlueprint = await parseBlueprint(blueprint.location || blueprint.name);
+
+    let [
+      { version: currentVersion },
+      { version: latestVersion }
+    ] = await Promise.all([
+      downloadBlueprint(parsedBlueprint.name, parsedBlueprint.url, blueprint.version),
+      downloadBlueprint(parsedBlueprint.name, parsedBlueprint.url, toDefault)
+    ]);
+
+    return {
+      name: blueprint.name,
+      currentVersion,
+      latestVersion,
+      isUpToDate: currentVersion === latestVersion
+    };
+  }));
+}
+
+module.exports = checkForBlueprintUpdates;

src/index.js

@@ -17,6 +17,11 @@ const loadBlueprintFile = require('./load-blueprint-file');
 const loadSafeBlueprintFile = require('./load-safe-blueprint-file');
 const saveBlueprint = require('./save-blueprint');
 const saveDefaultBlueprint = require('./save-default-blueprint');
+const checkForBlueprintUpdates = require('./check-for-blueprint-updates');
+
+function formatBlueprintLine(blueprint) {
+  return `${blueprint.name}, current: ${blueprint.currentVersion}, latest: ${blueprint.latestVersion}`;
+}
 
 module.exports = async function emberCliUpdate({
   blueprint: _blueprint,
@@ -62,20 +67,40 @@ module.exports = async function emberCliUpdate({
     let { blueprints } = emberCliUpdateJson;
 
     if (!blueprints.length) {
-      blueprints.splice(0, 0, defaultBlueprint);
-    }
+      blueprint = defaultBlueprint;
+    } else {
+      let blueprintUpdates = await checkForBlueprintUpdates(blueprints);
+
+      let areAllUpToDate = blueprintUpdates.every(blueprint => blueprint.isUpToDate);
+      if (areAllUpToDate) {
+        return `${blueprintUpdates.map(formatBlueprintLine).join(`
+`)}
 
-    if (blueprints.length > 1) {
-      let answers = await inquirer.prompt([{
+All blueprints are up-to-date!`;
+      }
+
+      let choicesByName = blueprintUpdates.reduce((choices, blueprint) => {
+        let name = formatBlueprintLine(blueprint);
+        choices[name] = {
+          realName: blueprint.name,
+          choice: {
+            name,
+            disabled: blueprint.isUpToDate
+          }
+        };
+        return choices;
+      }, {});
+
+      let answer = await inquirer.prompt([{
         type: 'list',
-        message: 'Multiple blueprint updates have been found. Which would you like to update?',
+        message: 'Blueprint updates have been found. Which one would you like to update?',
         name: 'blueprint',
-        choices: blueprints.map(blueprint => blueprint.name)
+        choices: Object.values(choicesByName).map(({ choice }) => choice)
       }]);
 
-      blueprint = blueprints.find(blueprint => blueprint.name === answers.blueprint);
-    } else {
-      blueprint = blueprints[0];
+      let { realName } = choicesByName[answer.blueprint];
+
+      blueprint = blueprints.find(blueprint => blueprint.name === realName);
     }
   }
 

test/acceptance/ember-cli-update-test.js

@@ -204,7 +204,7 @@ describe(function() {
 
     ps.stdout.on('data', data => {
       let str = data.toString();
-      if (str.includes('Multiple blueprint updates have been found.')) {
+      if (str.includes('Blueprint updates have been found.')) {
         ps.stdin.write('\n');
       }
     });

test/fixtures/blueprint/app/local-app/local/my-app/ember-cli-update.json

@@ -7,8 +7,8 @@
       "isPartial": false
     },
     {
-      "name": "unused-partial-blueprint-test",
-      "version": "0.0.1",
+      "name": "ember-cli-update-npm-blueprint-test",
+      "version": "0.0.5",
       "isPartial": true
     }
   ]

test/fixtures/blueprint/app/local-app/merge/my-app/ember-cli-update.json

@@ -7,8 +7,8 @@
       "isPartial": false
     },
     {
-      "name": "unused-partial-blueprint-test",
-      "version": "0.0.1",
+      "name": "ember-cli-update-npm-blueprint-test",
+      "version": "0.0.5",
       "isPartial": true
     }
   ]

test/integration/check-for-blueprint-updates-test.js

@@ -0,0 +1,56 @@
+'use strict';
+
+const { describe, it } = require('../helpers/mocha');
+const { expect } = require('../helpers/chai');
+const checkForBlueprintUpdates = require('../../src/check-for-blueprint-updates');
+const { initBlueprint } = require('../helpers/blueprint');
+
+describe(checkForBlueprintUpdates, function() {
+  this.timeout(10 * 1000);
+
+  let cwd = process.cwd();
+
+  afterEach(function() {
+    process.chdir(cwd);
+  });
+
+  it('works', async function() {
+    // out of date test
+    let localBlueprint = require('../fixtures/blueprint/app/local-app/local/my-app/ember-cli-update').blueprints[0];
+    let urlBlueprint = require('../fixtures/blueprint/app/remote-app/local/my-app/ember-cli-update').blueprints[0];
+
+    // up to date test
+    let npmBlueprint = require('../fixtures/blueprint/app/npm-app/merge/my-app/ember-cli-update').blueprints[0];
+
+    let blueprintPath = await initBlueprint('test/fixtures/blueprint/app/local', localBlueprint.location);
+
+    process.chdir(blueprintPath);
+
+    let blueprintUpdates = await checkForBlueprintUpdates([
+      localBlueprint,
+      urlBlueprint,
+      npmBlueprint
+    ]);
+
+    expect(blueprintUpdates).to.deep.equal([
+      {
+        name: localBlueprint.name,
+        currentVersion: localBlueprint.version,
+        latestVersion: require('../fixtures/blueprint/app/local-app/merge/my-app/ember-cli-update').blueprints[0].version,
+        isUpToDate: false
+      },
+      {
+        name: urlBlueprint.name,
+        currentVersion: urlBlueprint.version,
+        latestVersion: require('../fixtures/blueprint/app/remote-app/merge/my-app/ember-cli-update').blueprints[0].version,
+        isUpToDate: false
+      },
+      {
+        name: npmBlueprint.name,
+        currentVersion: npmBlueprint.version,
+        latestVersion: npmBlueprint.version,
+        isUpToDate: true
+      }
+    ]);
+  });
+});

test/integration/index-test.js

@@ -349,6 +349,7 @@ applicable codemods: ember-modules-codemod, ember-qunit-codemod, ember-test-help
     describe('ember-cli-update.json', function() {
       it('can update a remote blueprint', async function() {
         let {
+          name,
           version: to
         } = require('../fixtures/blueprint/app/remote-app/merge/my-app/ember-cli-update').blueprints[0];
 
@@ -357,6 +358,7 @@ applicable codemods: ember-modules-codemod, ember-qunit-codemod, ember-test-help
         } = await merge({
           fixturesPath: 'test/fixtures/blueprint/app/remote-app/local',
           commitMessage: 'my-app',
+          blueprint: name,
           to
         });
 
@@ -368,11 +370,16 @@ applicable codemods: ember-modules-codemod, ember-qunit-codemod, ember-test-help
       });
 
       it('can update an npm blueprint', async function() {
+        let {
+          name
+        } = require('../fixtures/blueprint/app/npm-app/merge/my-app/ember-cli-update').blueprints[0];
+
         let {
           status
         } = await merge({
           fixturesPath: 'test/fixtures/blueprint/app/npm-app/local',
           commitMessage: 'my-app',
+          blueprint: name,
           to: toDefault
         });