Re: [Bug-tar] Re: Auto-exclude of cache directories for tar, cpio

[Joerg Schilling]

>From: Paul Eggert <address@hidden>

>Bryan Ford <address@hidden> writes:

>>      http://www.brynosaurus.com/cachedir/

>That proposal uses a file name ".IsCacheDirectory" that is not
>portable to traditional Unix file systems that have a 14-byte limit on
>file names.  Also, some non-Unix file systems have trouble
>distinguishing case.  So you might want to use a name like
>".iscachedir" instead.

>The "find" command used as an example doesn't check for the required
>MD5 signature.  Most likely other software will do the same.  This
>suggests that the signature isn't needed.  Perhaps just the existence
>of the file would be enough.

>The proposal doesn't talk about symbolic links; you probably need to
>address that issue while you're at it.  For example, can
>".IsCacheDirectory"/".iscachedir" be a symbolic link to a file?  a
>dangling symbolic link?

Star uses since 6 years (as an extension to the *BSD tar implementation
of the -F option) ".mirror" and ".exclude". The file .mirror is created
by typical mirroring software....

Jörg

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