gzip --rsyncable not available in Cygwin

[ymcp]

What would it take to get the "gzip --rsyncable" feature included in 
Cygwin gzip?

For anybody not familiar with it, this feature enables huge bandwidth 
savings when needing to regularly replicate large compressed files 
between remote systems where there are only small changes to the files.

It is available in RedHat gzip 1.3.3 and Debian gzip 1.3.12, but not in 
Cygwin gzip 1.3.12 - perhaps because it has not been adopted upstream by 
gnu.org ?

I believe that this feature was first developed by renowned Linux Kernel 
hacker Rusty Russell in about 2001:

http://www.mail-archive.com/rsync@lists.samba.org/msg00637.html

A patch for Cygwin gzip 1.3.12 was created by G.W. Haywood in 2008:

http://lists-archives.org/cygwin/36094-gzip-rsyncable-patch.html

Currently I can not even build the *unpatched* gzip-1.3.12-2 from source 
with Cygwin... but that's another issue (already posted).

Really hopeful that this useful feature could just be added to the 
standard Cygwin gzip, but not sure who to ask, hence this posting.

Thanks,
Yuri McPhedran

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