# Poise-Archive Cookbook

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A [Chef](https://www.chef.io/) cookbook to unpack file archives.

It supports `.tar`, `.tar.gz`, `.tar.bz2`, and `.zip` archive files.

## Quick Start

To download an unpack and archive:

```ruby
poise_archive 'https://example.com/myapp.tgz' do
  destination '/opt/myapp'
end
```

## Requirements

Chef 12.1 or newer is required.

## Platforms

This cookbook supports all platforms (including Windows) but some Unix platforms
(Solaris, AIX) may see very slow tar file unpacking when using the pure-Ruby fallback
implementation.

## Resources

### `poise_archive`

The `poise_archive` resource unpacks file archives.

```ruby
poise_archive '/tmp/myapp-1.2.0.tar' do
  destination '/srv/myapp-1.2.0'
end
```

A URL can also be passed as the source path, optionally with extra properties to
be merged with `source_properties`.

```ruby
poise_archive 'http://example.com/myapp-1.2.0.zip' do
  destination '/srv/myapp-1.2.0'
end

poise_archive ['http://example.com/myapp-1.2.0.zip', {headers: {'Authentication' => '...'}}] do
  destination '/srv/myapp-1.2.0'
end
```

#### Actions

* `:unpack` – Unpack the archive. *(default)*

#### Properties

* `path` – Path to the archive. If relative, it is taken as a file inside
  `Chef::Config[:file_cache_path]`. If a URL, it is downloaded to a cache file
  first. *(name attribute)*
* `destination` – Path to unpack the archive to. If not specified, the path of
  the archive without the file extension is used. Required when unpacking from
  a URL. *(default: auto)*
* `group` – Group to run the unpack as.
* `keep_existing` – Keep existing files in the destination directory when
  unpacking. *(default: false)*
* `source_properties` – Property key/value pairs to be applied to the
  `remote_file` file resource when downloading a URL. *(default: {retries: 5})*
* `strip_components` – Number of intermediary directories to skip when
  unpacking. Works like GNU tar's `--strip-components`. *(default: 1)*
* `user` – User to run the unpack as.

## Sponsors

Development sponsored by [Bloomberg](http://www.bloomberg.com/company/technology/).

The Poise test server infrastructure is sponsored by [Rackspace](https://rackspace.com/).

## License

Copyright 2016-2017, Noah Kantrowitz

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

BZip2 implementation is based on RBzip2. Copyright Sebastian Staudt, Brian Lopez.
RBzip2 code used under the terms of the new BSD license.