[Bug 1314502] [NEW] apt-get install foo/trusty selects version from trusty-updates

[Michael Vogt]

Public bug reported:

When using the release modfiers on the apt commandline specifying the release does not always work, e.g.:
"""
$ apt-get install --reinstall webapp-container/trusty -s)
...
Selected version '0.23+14.04.20140416-0ubuntu1' (Ubuntu:14.04/trusty-updates [amd64]) for 'webapp-container'
"""

The reason is that apt-get foo/release matches for both "Suite" and "Codename" in the Release file. The trusty-updates
Release file looks like this:
"""
 Suite: trusty-updates
 Codename: trusty
"""
So apt matches the suite first, then the codename and takes the match.

Previously it would only match on "Suite", but commit efc487fb changed
this behavior (some time ago). Attached is a testcase to illustrate the
issue.

** Affects: apt (Ubuntu)
     Importance: Low
         Status: Triaged

** Attachment added: "testcase for apts integration testsuite"
   https://bugs.launchpad.net/bugs/1314502/+attachment/4101072/+files/test-apt-archive-codename-match

** Changed in: apt (Ubuntu)
       Status: New => Triaged

** Changed in: apt (Ubuntu)
   Importance: Undecided => Low

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https://bugs.launchpad.net/bugs/1314502

Title:
  apt-get install foo/trusty selects version from trusty-updates

Status in “apt” package in Ubuntu:
  Triaged

Bug description:
  When using the release modfiers on the apt commandline specifying the release does not always work, e.g.:
  """
  $ apt-get install --reinstall webapp-container/trusty -s)
  ...
  Selected version '0.23+14.04.20140416-0ubuntu1' (Ubuntu:14.04/trusty-updates [amd64]) for 'webapp-container'
  """

  The reason is that apt-get foo/release matches for both "Suite" and "Codename" in the Release file. The trusty-updates
  Release file looks like this:
  """
   Suite: trusty-updates
   Codename: trusty
  """
  So apt matches the suite first, then the codename and takes the match.

  Previously it would only match on "Suite", but commit efc487fb changed
  this behavior (some time ago). Attached is a testcase to illustrate
  the issue.

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