In output from `apt update` what do 'InRelease' and 'Release' refer to?












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Here is an example showing the 'InRelease' and 'Release' line suffixes:



# apt update
Hit:1 http://security.debian.org stretch/updates InRelease
Ign:2 http://dl.google.com/linux/chrome/deb stable InRelease
Hit:3 http://sfo1.mirrors.digitalocean.com/mariadb/repo/10.2/debian stretch InRelease
Hit:4 http://mirrors.ocf.berkeley.edu/debian stretch-updates InRelease
Ign:5 http://dl.google.com/linux/earth/deb stable InRelease
Ign:6 http://ftp.uk.debian.org/debian stretch InRelease
Hit:7 http://dl.google.com/linux/chrome/deb stable Release
Hit:8 http://ftp.debian.org/debian stretch-backports InRelease
Hit:9 http://dl.google.com/linux/earth/deb stable Release
...


I know what a Release is. Although a web search for InRelease didn't turn up much.










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    0















    Here is an example showing the 'InRelease' and 'Release' line suffixes:



    # apt update
    Hit:1 http://security.debian.org stretch/updates InRelease
    Ign:2 http://dl.google.com/linux/chrome/deb stable InRelease
    Hit:3 http://sfo1.mirrors.digitalocean.com/mariadb/repo/10.2/debian stretch InRelease
    Hit:4 http://mirrors.ocf.berkeley.edu/debian stretch-updates InRelease
    Ign:5 http://dl.google.com/linux/earth/deb stable InRelease
    Ign:6 http://ftp.uk.debian.org/debian stretch InRelease
    Hit:7 http://dl.google.com/linux/chrome/deb stable Release
    Hit:8 http://ftp.debian.org/debian stretch-backports InRelease
    Hit:9 http://dl.google.com/linux/earth/deb stable Release
    ...


    I know what a Release is. Although a web search for InRelease didn't turn up much.










    share|improve this question



























      0












      0








      0


      1






      Here is an example showing the 'InRelease' and 'Release' line suffixes:



      # apt update
      Hit:1 http://security.debian.org stretch/updates InRelease
      Ign:2 http://dl.google.com/linux/chrome/deb stable InRelease
      Hit:3 http://sfo1.mirrors.digitalocean.com/mariadb/repo/10.2/debian stretch InRelease
      Hit:4 http://mirrors.ocf.berkeley.edu/debian stretch-updates InRelease
      Ign:5 http://dl.google.com/linux/earth/deb stable InRelease
      Ign:6 http://ftp.uk.debian.org/debian stretch InRelease
      Hit:7 http://dl.google.com/linux/chrome/deb stable Release
      Hit:8 http://ftp.debian.org/debian stretch-backports InRelease
      Hit:9 http://dl.google.com/linux/earth/deb stable Release
      ...


      I know what a Release is. Although a web search for InRelease didn't turn up much.










      share|improve this question
















      Here is an example showing the 'InRelease' and 'Release' line suffixes:



      # apt update
      Hit:1 http://security.debian.org stretch/updates InRelease
      Ign:2 http://dl.google.com/linux/chrome/deb stable InRelease
      Hit:3 http://sfo1.mirrors.digitalocean.com/mariadb/repo/10.2/debian stretch InRelease
      Hit:4 http://mirrors.ocf.berkeley.edu/debian stretch-updates InRelease
      Ign:5 http://dl.google.com/linux/earth/deb stable InRelease
      Ign:6 http://ftp.uk.debian.org/debian stretch InRelease
      Hit:7 http://dl.google.com/linux/chrome/deb stable Release
      Hit:8 http://ftp.debian.org/debian stretch-backports InRelease
      Hit:9 http://dl.google.com/linux/earth/deb stable Release
      ...


      I know what a Release is. Although a web search for InRelease didn't turn up much.







      debian apt






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      edited 4 mins ago







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      asked 5 hours ago









      Elliptical viewElliptical view

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          InRelease files are equivalent to Release files with the exception that they contain an inline GPG signature, whereas validating Release files requires downloading a separate Release.gpg file. Having the signature in line avoids race conditions when downloading.



          This FTP master meeting summary contains this feature’s announcement, with a brief description.



          Since the title asks about them too, I’ll mention that Release files contain distribution metadata and the checksums of the index files.






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            InRelease files are equivalent to Release files with the exception that they contain an inline GPG signature, whereas validating Release files requires downloading a separate Release.gpg file. Having the signature in line avoids race conditions when downloading.



            This FTP master meeting summary contains this feature’s announcement, with a brief description.



            Since the title asks about them too, I’ll mention that Release files contain distribution metadata and the checksums of the index files.






            share|improve this answer






























              1














              InRelease files are equivalent to Release files with the exception that they contain an inline GPG signature, whereas validating Release files requires downloading a separate Release.gpg file. Having the signature in line avoids race conditions when downloading.



              This FTP master meeting summary contains this feature’s announcement, with a brief description.



              Since the title asks about them too, I’ll mention that Release files contain distribution metadata and the checksums of the index files.






              share|improve this answer




























                1












                1








                1







                InRelease files are equivalent to Release files with the exception that they contain an inline GPG signature, whereas validating Release files requires downloading a separate Release.gpg file. Having the signature in line avoids race conditions when downloading.



                This FTP master meeting summary contains this feature’s announcement, with a brief description.



                Since the title asks about them too, I’ll mention that Release files contain distribution metadata and the checksums of the index files.






                share|improve this answer















                InRelease files are equivalent to Release files with the exception that they contain an inline GPG signature, whereas validating Release files requires downloading a separate Release.gpg file. Having the signature in line avoids race conditions when downloading.



                This FTP master meeting summary contains this feature’s announcement, with a brief description.



                Since the title asks about them too, I’ll mention that Release files contain distribution metadata and the checksums of the index files.







                share|improve this answer














                share|improve this answer



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                edited 1 hour ago

























                answered 2 hours ago









                Stephen KittStephen Kitt

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