fix(@angular/cli): run all migrations when updating from or between prereleases

With this change we consider the update schematics are idempotent. When updating from or between prereleases we will execute all migrations for the version.

(cherry picked from commit 131379f)

Author: alan-agius4

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

@@ -191,10 +191,14 @@ export class UpdateCommand extends Command<UpdateCommandSchema> {
   private async executeMigrations(
     packageName: string,
     collectionPath: string,
-    range: semver.Range,
+    from: string,
+    to: string,
     commit?: boolean,
   ): Promise<boolean> {
     const collection = this.workflow.engine.createCollection(collectionPath);
+    const migrationRange = new semver.Range(
+      '>' + (semver.prerelease(from) ? from.split('-')[0] + '-0' : from) + ' <=' + to,
+    );
     const migrations = [];
 
     for (const name of collection.listSchematicNames()) {
@@ -207,7 +211,7 @@ export class UpdateCommand extends Command<UpdateCommandSchema> {
         continue;
       }
 
-      if (semver.satisfies(description.version, range, { includePrerelease: true })) {
+      if (semver.satisfies(description.version, migrationRange, { includePrerelease: true })) {
         migrations.push(description as typeof schematic.description & { version: string });
       }
     }
@@ -492,14 +496,11 @@ export class UpdateCommand extends Command<UpdateCommandSchema> {
           return 1;
         }
 
-        const migrationRange = new semver.Range(
-          '>' + from + ' <=' + (options.to || packageNode.version),
-        );
-
         success = await this.executeMigrations(
           packageName,
           migrations,
-          migrationRange,
+          from,
+          options.to || packageNode.version,
           options.createCommits,
         );
       }
@@ -647,7 +648,6 @@ export class UpdateCommand extends Command<UpdateCommandSchema> {
       next: !!options.next,
       packageManager: this.packageManager,
       packages: packagesToUpdate,
-      migrateExternal: true,
     });
 
     if (success && options.createCommits) {
@@ -733,7 +733,8 @@ export class UpdateCommand extends Command<UpdateCommandSchema> {
         const result = await this.executeMigrations(
           migration.package,
           migrations,
-          new semver.Range('>' + migration.from + ' <=' + migration.to),
+          migration.from,
+          migration.to,
           options.createCommits,
         );