[Bug 814130] Re: Acquire::http::ProxyAutoDetect is executed multiple times for each host

[Torsten Spindler]

I can confirm the multiple calls for the ProxyAutoDetect script,
following your setup above. I believe proxies can be set for different
sources, so I think the auto-detect needs to run for any new source. I
mark this bug as wishlist item.

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

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

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https://bugs.launchpad.net/bugs/814130

Title:
  Acquire::http::ProxyAutoDetect is executed multiple times for each
  host

Status in APT:
  New
Status in “apt” package in Ubuntu:
  Confirmed

Bug description:
  For each host that is involved in an update/ installation, APT executes the command set in Acquire::http::ProxyAutoDetect. On a default installation, sudo apt-get update executed the command twice because archive.ubuntu.com and security.ubuntu.com are both mentioned in /etc/apt/sources.conf. As PPAs are commonly used, this increases to three.
  With a lot of third-party repository sources, this number rises a lot. If the proxy detection command is slow, there might be a delay during the source lists updates and package installations.

  Affected versions:
  0.8.13.2ubuntu4.1 (Ubuntu Natty)
  0.7.25.3ubuntu9.5 (Ubuntu Lucid)
  0.8.15.2 (Debian unstable)

  Steps to reproduce:
  1. Create /etc/apt/print-message containing:
  #!/bin/sh
  echo CALLED >&2
  2. Create /etc/apt/apt.conf.d/30proxy-test containing:
  Acquire::http::ProxyAutoDetect "/etc/apt/print-message";
  3. Run sudo apt-get update or install a PPA package which depends on a package from the official repos which is not installed yet
  4. Clean up by removing /etc/apt/apt.conf.d/30proxy-test and /etc/apt/print-message

  What I expected to happen:
  CALLED should be printed once

  What happened instead:
  CALLED is printed a few times for each involved host.

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