From 720b669175a0af4938b70506d60aca57d82e88c2 Mon Sep 17 00:00:00 2001
From: Christoph Gysin <christoph.gysin@gmail.com>
Date: Tue, 31 Mar 2020 22:33:18 +0300
Subject: [PATCH] feat: Support passing AssetOptions

fixes #7098
---
 packages/@aws-cdk/aws-s3-deployment/README.md     | 5 +++++
 packages/@aws-cdk/aws-s3-deployment/lib/source.ts | 7 +++++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/packages/@aws-cdk/aws-s3-deployment/README.md b/packages/@aws-cdk/aws-s3-deployment/README.md
index 5b99c88ad8202..7e13e466e51e5 100644
--- a/packages/@aws-cdk/aws-s3-deployment/README.md
+++ b/packages/@aws-cdk/aws-s3-deployment/README.md
@@ -60,6 +60,11 @@ The following source types are supported for bucket deployments:
  - Local directory: `s3deploy.Source.asset('/path/to/local/directory')`
  - Another bucket: `s3deploy.Source.bucket(bucket, zipObjectKey)`
 
+To create a source from a single file, you can pass `AssetOptions` to exclude
+all but a single file:
+
+ - Single file: `s3deploy.Source.asset('/path/to/local/directory', { exclude: ['**', '!onlyThisFile.txt'] })`
+
 ## Retain on Delete
 
 By default, the contents of the destination bucket will be deleted when the
diff --git a/packages/@aws-cdk/aws-s3-deployment/lib/source.ts b/packages/@aws-cdk/aws-s3-deployment/lib/source.ts
index 86eae270fcf94..4d50c6de16e36 100644
--- a/packages/@aws-cdk/aws-s3-deployment/lib/source.ts
+++ b/packages/@aws-cdk/aws-s3-deployment/lib/source.ts
@@ -51,14 +51,17 @@ export class Source {
    * Uses a local asset as the deployment source.
    * @param path The path to a local .zip file or a directory
    */
-  public static asset(path: string): ISource {
+  public static asset(path: string, options?: s3_assets.AssetOptions): ISource {
     return {
       bind(context: cdk.Construct): SourceConfig {
         let id = 1;
         while (context.node.tryFindChild(`Asset${id}`)) {
           id++;
         }
-        const asset = new s3_assets.Asset(context, `Asset${id}`, { path });
+        const asset = new s3_assets.Asset(context, `Asset${id}`, {
+          path,
+          ...options,
+        });
         if (!asset.isZipArchive) {
           throw new Error(`Asset path must be either a .zip file or a directory`);
         }