mitchellh/packer — pull request #145 by sgirones (2013-07-06 09:37:33+00:00)
Title: Local mode for VBoxGuestAdditions. Provide local path and SHA256

Both VBoxGuestAdditions path and SHA256 checksum are optional.

If local/remote path is not provided, get it from virtualbox.org
If SHA256 checksum is not provided, get it from virtualbox.org

Remote url:
```
"builders": [
{
"type": "virtualbox",
"guest_additions_url": "http://download.virtualbox.org/virtualbox/4.2.16/VBoxGuestAdditions_4.2.16.iso",
"guest_additions_sha256": "b9afd356d85fe6822fd28009fd63faddd2ac7cbd75c415ea4ce6a22925243ed3"
}
]
```

Local path:
```
"builders": [
{
"type": "virtualbox",
"guest_additions_url": "/path/to/VBoxGuestAdditions_4.2.16.iso",
"guest_additions_sha256": "b9afd356d85fe6822fd28009fd63faddd2ac7cbd75c415ea4ce6a22925243ed3"
}
]
```