source_dir zips folder contents rather than folder

[joekendal]

Terraform Version

v0.14.8

Affected Data

• archive_file

Terraform Configuration Files

// Zips the mappings folder into mappings.zip
data "archive_file" "lib" {
  type        = "zip"
  source_file  = "${path.module}/folder"
  output_path = "${path.module}/folder.zip"
}

Expected Behavior

folder.zip deflates to folder

$ unzip folder.zip
$ tree
.
└──  folder

Actual Behavior

folder.zip deflates to the contents of folder not the folder itself

$ unzip folder.zip
$ tree
.
├── file1
└──  file2

Steps to Reproduce

1. mkdir folder
2. touch folder/file{1,2}
3. terraform apply
4. unzip folder