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   linux.debian.kernel      Debian kernel discussions      2,884 messages   

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   Message 2,194 of 2,884   
   Ben Hutchings to Ben Hutchings   
   Re: Questions on debdiff for linux-signe   
   04 Jan 26 18:30:01   
   
   From: benh@debian.org   
      
   Reminder to self, don't send emails at 2 a.m.  I now need to add a few   
   clarifications:   
      
   On Sat, 2026-01-03 at 02:16 +0100, Ben Hutchings wrote:   
   [...]   
   > 4. The code signing service creates detached signatures for the code and   
   > adds them to the source package template.  It then builds, signs, and   
   > uploads the complete source package (linux-signed-*).   
      
   Note that this "build" is a source-build.  The binary packages are later   
   built in the usual way.   
      
   [...]   
   > > 3.) Given the somewhat special situation for the linux kernel, is there   
   > > anything you want me to focus on when reviewing such changes in the   
   > > linux-signed-* packages in the BACKPORTS-NEW queue?   
   >    
   > If you can find a way to s/\+deb14/+deb13/ on both file names and   
   > contents before comparing them, you should then be able to see any   
   > actually interesting changes.  (But there should not be any after that.)   
      
   On some backports branches I have made minor changes to maintain   
   compatibility with stable user-space, dropping a Breaks, but this has   
   not yet happened for trixie-backports.   
      
   > Unfortunately I don't think debdiff can do that.   
   [...]   
      
   This will produce something closer to a reasonable diff:   
      
      VERSION=6.17.13+1   
      dpkg-source -x linux-signed-amd64_${VERSION}.dsc   
      dpkg-source -x linux-signed-amd64_${VERSION}~bpo13+1.dsc   
      find linux-signed-amd64-${VERSION} -type f -print0 | xargs -0 sed -i   
   's/+deb14/+deb13/g'   
      find linux-signed-amd64-${VERSION} -depth -name '*+deb14*' -print0 | xargs   
   -0 rename -d 's/\+deb14/+deb13/g'   
      diff -urN linux-signed-amd64-${VERSION}{,~bpo13+1}   
      
   However I also see many instances of the linux source version and the   
   compiler version differing.  The linux source version doesn't really   
   need to be repeated multiple times in rules.gen and the compiler is not   
   needed at this point, so possibly we could eliminate some of that with   
   changes to the generation process.   
      
   Ben.   
      
   --    
   Ben Hutchings - Debian developer, member of kernel, installer and LTS   
   teams   
      
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