provider/aws: homedir expand in s3 object source

fixes #3856

builtin/providers/aws/resource_aws_s3_bucket_object.go

@@ -8,6 +8,7 @@ import (
  "os"
 
  "github.com/hashicorp/terraform/helper/schema"
+ "github.com/mitchellh/go-homedir"
 
  "github.com/aws/aws-sdk-go/aws"
  "github.com/aws/aws-sdk-go/aws/awserr"
@@ -95,7 +96,11 @@ func resourceAwsS3BucketObjectPut(d *schema.ResourceData, meta interface{}) erro
 
  if v, ok := d.GetOk("source"); ok {
  source := v.(string)
- file, err := os.Open(source)
+ path, err := homedir.Expand(source)
+ if err != nil {
+ return fmt.Errorf("Error expanding homedir in source (%s): %s", source, err)
+ }
+ file, err := os.Open(path)
  if err != nil {
  return fmt.Errorf("Error opening S3 bucket object source (%s): %s", source, err)
  }