[jira] [Updated] (COMPRESS-132) Add support for unix dump files

["Bear Giles (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/COMPRESS-132?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bear Giles updated COMPRESS-132:
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    Attachment: dump.zip

This is a proof-of-concept implementation for dump archive files. It handles ZLIB compression (and can easily add BZLIB compression when available) and sparse files. I haven't added support for extended attributes yet or for deleted files (in incremental backups) yet.

I have verified the test extraction of a 1GB compressed backup.

> Add support for unix dump files
> -------------------------------
>
>                 Key: COMPRESS-132
>                 URL: https://issues.apache.org/jira/browse/COMPRESS-132
>             Project: Commons Compress
>          Issue Type: Improvement
>          Components: Archivers
>            Reporter: Bear Giles
>            Priority: Minor
>         Attachments: dump.zip
>
>
> I'm submitting a series of patches to the ext2/3/4 dump utility and noticed that the commons-compress library doesn't have an archiver for it. It's as old as tar and fills a similar niche but the later has become much more widely used. Dump includes support for sparse files, extended attributes, mac os finder, SELinux labels (I think), and more. Incremental  dumps can capture that files have been deleted.
> I should have initial support for a decoder this weekend. I can read the directory entries and inode information (file permissions, etc.) but need a bit more work on extracting the content as an InputStream.

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