(cvs.info.gz) rdiff

 
 A.17 rdiff--'patch' format diffs between releases
 =================================================
 
    * rdiff [-flags] [-V vn] (-r tag1[:date1] | -D date1) [-r
      tag2[:date2] | -D date2] modules...
 
    * Requires: repository.
 
    * Changes: nothing.
 
    * Synonym: patch
 
    Builds a Larry Wall format patch(1) file between two releases, that
 can be fed directly into the `patch' program to bring an old release
 up-to-date with the new release.  (This is one of the few CVS commands
 that operates directly from the repository, and doesn't require a prior
 checkout.) The diff output is sent to the standard output device.
 
    You can specify (using the standard `-r' and `-D' options) any
 combination of one or two revisions or dates.  If only one revision or
 date is specified, the patch file reflects differences between that
 revision or date and the current head revisions in the RCS file.
 
    Note that if the software release affected is contained in more than
 one directory, then it may be necessary to specify the `-p' option to
 the `patch' command when patching the old sources, so that `patch' is
 able to find the files that are located in other directories.
(cvs.info.gz) rdiff

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