[Bug 1931874] Re: Failure to download packages with epochs (Regression from 2.1.15)

[Launchpad Bug Tracker]

This bug was fixed in the package apt - 2.2.4ubuntu0.1

---------------
apt (2.2.4ubuntu0.1) hirsute; urgency=medium

  * Merge 2.2.4 from Debian unstable
  * Extend the JSON hook fixes with support for version 0.2 (LP: #1926150)
    - json: Add origins fields to version
    - upgrade: Add JSON hook support (AptCli::Hooks::Upgrade)
    - json: Add `package-list` and `statistics` install hooks
    - json: Hook protocol 0.2 (added upgrade,downgrade,reinstall modes)

apt (2.2.4) unstable; urgency=medium

  [ Julian Andres Klode ]
  * Various bugfixes to the JSON hooks:
    - encoder fixes:
      + json: Escape strings using \u escape sequences, add test
      + json: Actually pop states
      + json: Encode NULL strings as null
    - json: Flush standard file descriptors before calling hooks
      (this avoids output from hooks in middle of apt output)
    - Non-installed JSON changes:
      + test/json: Make the test hook more reliable
      + Fix a typo in json-hooks-protocol.md (thanks to Brian Murray)
  * Avoid infinite loop on EOF on media change prompt (LP: #1928687)
  * Turn TLS handshake issues into transient errors (LP: #1928100),
    this makes behavior consistent with TCP and enables Acquire::Retries
  * policy: Apply phasing to uninstalled packages too (LP: #1925745),
    this prevents inconsistencies when installing new binaries that depend
    on the same version of an already installed binary.

  [ David Kalnischkies ]
  * URI encode Filename field of Packages files (again). This fixes a
    regression introduced in 2.1.15 that causes download failures of
    packages with an epoch included in their filename (LP: #1931874).

 -- Julian Andres Klode <juliank at ubuntu.com>  Mon, 14 Jun 2021 16:27:40
+0200

** Changed in: apt (Ubuntu Hirsute)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1931874

Title:
  Failure to download packages with epochs (Regression from 2.1.15)

Status in apt package in Ubuntu:
  Fix Released
Status in apt source package in Hirsute:
  Fix Released
Status in apt source package in Impish:
  Fix Released

Bug description:
  [Impact]
  Packages where the epoch is encoded in the filename cannot be retrieved, as we overlooked some places when changing the acquire system to always use % encoded URLs.

  [Test plan]
  A test is included in the comprehensive test suite.

  [Where problems could occur]
  Regressions could occur in places that download debs with filenames that need quoting or are already quoted. You can argue this also changes the API slightly, since ArchiveURI() now returns encoded URLs, rather than just appending the file path to the host. Although, this could actually improve things too.

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