combindeltarpm - combine multiple deltarpms to a single one


   combinedeltarpm  [-v]  [-V  version] [-z compression] [-S signaturerpm]
   olddeltarpms...  newdeltarpm


   combinedeltarpm  creates  a  new  deltarpm  from  multiple  old   ones.
   Applying  the rsulting deltarpm has the same effect as applying each of
   the old ones in  the  specified  order.  Use  the  -v  option  to  make
   combinedeltarpm more verbose about its work.

   combinedeltarpm  normally  produces  a  V3  format deltarpm, use the -V
   option to specify a different version if desired. The -z option can  be
   used  to  specify a different compression method, the default is to use
   the same compression method as used in the last of the old deltarpms.

   If you want to use a different header signature you can also specify  a
   rpm  with the -S option which will be used as signature reference. This
   feature can be used to if a deltarpm was made against an  unsigned  rpm
   which later got signed.


   The  implementation of combinedeltarpm currently unpacks the add-blocks
   of the deltarpms in memory, thus it needs about twice the  uncompressed
   payload size of the target rpm.


   makedeltarpm(8) applydeltarpm(8)


   Michael Schroeder <>

                               May 2005                 COMBINEDELTARPM(8)

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