The synced_folder option does not expand ~/

[smaruy30]

Overview of the Issue

The synced_folder option does not expand ~/

Reproduction Steps

Set synced_folder as ~/.aws then execute packer build .

Plugin and Packer version

pakcer version v1.8.3

Simplified Packer Buildfile

packer {
  required_plugins {
    amazon = {
      version = ">= 1.1.0"
      source  = "github.com/hashicorp/amazon"
    }
    vagrant = {
      version = ">= 1.0.3"
      source  = "github.com/hashicorp/vagrant"
    }
  }
}

source "vagrant" "this" {
  add_force    = true
  communicator = "ssh"
  source_path  = "stakahashi/amazonlinux2"
  provider     = "virtualbox"
  synced_folder = "~/.aws/"
  #synced_folder = "$HOME/.aws/"
}

build {
  name    = "build_vagrant"
  sources = ["source.vagrant.this"]

  provisioner "shell" {
    environment_vars = [
      "AWS_CONFIG_FILE=/vagrant/config",
      "AWS_DEFAULT_REGION=${var.aws_region}",
      "AWS_PROFILE=${var.aws_profile}",
      "AWS_SHARED_CREDENTIALS_FILE=/vagrant/credentials"
    ]
    inline = [
      "aws sts get-caller-identity"
    ]
  }
}

Operating system and Environment details

MacOS Catalina, Intel Core i7

Log Fragments and crash.log files

$ packer build test.pkr.hcl
Error: 1 error(s) occurred:

* synced_folder "/path/to/the/packer/directory/~/.aws" does not exist on the Packer host.

  on test.pkr.hcl line 151:
  (source code not available)



==> Wait completed after 4 microseconds

==> Builds finished but no artifacts were created.

[smaruy30]

Removed $HOME from the issue because $HOME is a bash variable.