[Bug 1049046] Re: Software updater stops complete update if only one source cannot be found

[Marco Trevisan (Treviño)]

Confirming here... I think this is a quite important bug. If the
download of a non-official source fails, it should not be enough to stop
the whole update process.

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Title:
  Software updater stops complete update if only one source cannot be
  found

Status in “update-manager” package in Ubuntu:
  Confirmed

Bug description:
  First bug report so any advice would be appreciated.

  Installed 12.10 with no worries and installed a bit of software and
  added the redshift repo (https://launchpad.net/~jonls/+archive
  /redshift-ppa). When i next tried to update my system with software
  updater (1:0.172) stopped with the error

  "Failed to download repository information"
   and 
  "W:Failed to fetch http://ppa.launchpad.net/jonls/redshift-ppa/ubuntu/dists/quantal/main/source/Sources  404  Not Found
  , W:Failed to fetch http://ppa.launchpad.net/jonls/redshift-ppa/ubuntu/dists/quantal/main/binary-amd64/Packages  404  Not Found
  , W:Failed to fetch http://ppa.launchpad.net/jonls/redshift-ppa/ubuntu/dists/quantal/main/binary-i386/Packages  404  Not Found
  , E:Some index files failed to download. They have been ignored, or old ones used instead.". 

  I fixed this by unchecking the redshift PPA in software sources.
  I am sure update-manager used to continue updating all other packages while leaving the one that the source could not be found for, rather than not updating anything in the system including security because of one insignificant package?

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: update-manager 1:0.170
  ProcVersionSignature: Ubuntu 3.5.0-13.14-generic 3.5.3
  Uname: Linux 3.5.0-13-generic x86_64
  ApportVersion: 2.5.1-0ubuntu4
  Architecture: amd64
  Date: Tue Sep 11 18:11:17 2012
  GsettingsChanges:
   b'com.ubuntu.update-manager' b'first-run' b'false'
   b'com.ubuntu.update-manager' b'launch-time' b'1347357820'
   b'com.ubuntu.update-manager' b'show-details' b'true'
   b'com.ubuntu.update-manager' b'window-height' b'901'
   b'com.ubuntu.update-manager' b'window-width' b'569'
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120903.4)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_AU:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_AU.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  UpgradeStatus: No upgrade log present (probably fresh install)

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