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https://issues.apache.org/jira/browse/COMPRESS-616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17701937#comment-17701937
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Gary D. Gregory commented on COMPRESS-616:
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[~axel.fontaine]
It looks to me like the high-level APIs ({*}ArchiveStreamFactory{*},
{*}TarArchiveOutputStream{*}) let you read POSIX tar and oldgnu but it does not
allow you to pick which format to {_}write{_}, you just get POSIX. BUT, if you
use the lower level-APIs like {*}TarArchiveEntry(String, byte){*}, then you can
specify the format; quite tricky to get right I think.
Feel free to provide a PR on GitHub to make your use case better ;)
> oldgnu tar compression support
> ------------------------------
>
> Key: COMPRESS-616
> URL: https://issues.apache.org/jira/browse/COMPRESS-616
> Project: Commons Compress
> Issue Type: New Feature
> Reporter: Axel Fontaine
> Priority: Major
>
> Google Compute Engine requires image files to be uploaded in the oldgnu tar
> format (see
>
> https://cloud.google.com/compute/docs/import/import-existing-image#create_image_file
> )
>
> It would be great if commons-compress could support this format for tar
> creation.
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