feat(@angular/cli): create commits per migration during update (#15611)

Author: clydin

packages/angular/cli/commands/update-impl.ts

@@ -136,6 +136,7 @@ export class UpdateCommand extends Command<UpdateCommandSchema> {
       const description = schematic.description as typeof schematic.description & {
         version?: string;
       };
+      description.version = coerceVersionNumber(description.version) || undefined;
       if (!description.version) {
         continue;
       }
@@ -489,8 +490,37 @@ export class UpdateCommand extends Command<UpdateCommandSchema> {
       force: options.force || false,
       packageManager,
       packages: packagesToUpdate,
+      migrateExternal: true,
     });
 
+    if (success && !options.skipCommits) {
+      this.createCommit('Angular CLI update\n' + packagesToUpdate.join('\n'), []);
+    }
+
+    // This is a temporary workaround to allow data to be passed back from the update schematic
+    // tslint:disable-next-line: no-any
+    const migrations = (global as any).externalMigrations as {
+      package: string;
+      collection: string;
+      from: string;
+      to: string;
+    }[];
+
+    if (success && migrations) {
+      for (const migration of migrations) {
+        const result = await this.executeMigrations(
+          migration.package,
+          migration.collection,
+          new semver.Range('>' + migration.from + ' <=' + migration.to),
+          !options.skipCommits,
+        );
+
+        if (!result) {
+          return 0;
+        }
+      }
+    }
+
     return success ? 0 : 1;
   }
 
@@ -536,7 +566,11 @@ export class UpdateCommand extends Command<UpdateCommandSchema> {
   }
 }
 
-function coerceVersionNumber(version: string): string | null {
+function coerceVersionNumber(version: string | undefined): string | null {
+  if (!version) {
+    return null;
+  }
+
   if (!version.match(/^\d{1,30}\.\d{1,30}\.\d{1,30}/)) {
     const match = version.match(/^\d{1,30}(\.\d{1,30})*/);
 

packages/schematics/update/update/index.ts

@@ -228,6 +228,7 @@ function _performUpdate(
   infoMap: Map<string, PackageInfo>,
   logger: logging.LoggerApi,
   migrateOnly: boolean,
+  migrateExternal: boolean,
 ): Observable<void> {
   const packageJsonContent = tree.read('/package.json');
   if (!packageJsonContent) {
@@ -292,6 +293,8 @@ function _performUpdate(
       installTask = [context.addTask(new NodePackageInstallTask())];
     }
 
+    const externalMigrations: {}[] = [];
+
     // Run the migrate schematics with the list of packages to use. The collection contains
     // version information and we need to do this post installation. Please note that the
     // migration COULD fail and leave side effects on disk.
@@ -307,6 +310,17 @@ function _performUpdate(
         : ''
       ) + target.updateMetadata.migrations;
 
+      if (migrateExternal) {
+        externalMigrations.push({
+          package: name,
+          collection,
+          from: installed.version,
+          to: target.version,
+        });
+
+        return;
+      }
+
       context.addTask(new RunSchematicTask('@schematics/update', 'migrate', {
           package: name,
           collection,
@@ -316,6 +330,11 @@ function _performUpdate(
         installTask,
       );
     });
+
+    if (externalMigrations.length > 0) {
+      // tslint:disable-next-line: no-any
+      (global as any).externalMigrations = externalMigrations;
+    }
   }
 
   return of<void>(undefined);
@@ -906,7 +925,7 @@ export default function(options: UpdateSchema): Rule {
           );
           _validateUpdatePackages(infoMap, !!options.force, sublog);
 
-          return _performUpdate(tree, context, infoMap, logger, !!options.migrateOnly);
+          return _performUpdate(tree, context, infoMap, logger, !!options.migrateOnly, !!options.migrateExternal);
         } else {
           return _usageMessage(options, infoMap, logger);
         }

packages/schematics/update/update/schema.json

@@ -66,6 +66,11 @@
         "npm",
         "yarn"
       ]
+    },
+    "migrateExternal": {
+      "type": "boolean",
+      "default": false,
+      "hidden": true
     }
   },
   "required": [