Bug#328876: apt-get claims that it failed to get Packages.gz but it was trying to get Packages.bz2 (which does not exist)

[Vladimir Volovich <vvv@vsu.ru>]

Package: apt
Version: 0.6.41
Severity: normal

i have the following line in sources.list:

deb http://mail.incase.de/cyrus22/i386/ ./

when i run "apt-get update", apt reports this error:

Failed to fetch http://mail.incase.de/cyrus22/i386/./Packages.gz  Error reading from server. Remote end closed connection

but since my apt works via proxy server, i was able to check what
request was REALLY made by apt-get, and it appears that it really
tried Packages.bz2 (which does not exist):

1126988484.000 170 xx.xx.xx.xx TCP_MISS/404 1238 GET http://mail.incase.de/cyrus22/i386/./Packages.bz2 - DIRECT/mail.incase.de text/html

and there was NO attempt to request Packages.gz at all.

So there are two bugs:

1) misleading error message - telling that request to Packages.gz failed
   (when in fact it was a request to Packages.bz2 which failed)

2) apt-get shall try to download Packages.gz when it does not find Packages.bz2
   which it obviously does not.

-- Package-specific info:

-- apt-config dump --

APT "";
APT::Architecture "i386";
APT::Build-Essential "";
APT::Build-Essential:: "build-essential";
Dir "/";
Dir::State "var/lib/apt/";
Dir::State::lists "lists/";
Dir::State::cdroms "cdroms.list";
Dir::State::userstatus "status.user";
Dir::State::status "/var/lib/dpkg/status";
Dir::Cache "var/cache/apt/";
Dir::Cache::archives "archives/";
Dir::Cache::srcpkgcache "srcpkgcache.bin";
Dir::Cache::pkgcache "pkgcache.bin";
Dir::Etc "etc/apt/";
Dir::Etc::sourcelist "sources.list";
Dir::Etc::vendorlist "vendors.list";
Dir::Etc::vendorparts "vendors.list.d";
Dir::Etc::main "apt.conf";
Dir::Etc::parts "apt.conf.d";
Dir::Etc::preferences "preferences";
Dir::Bin "";
Dir::Bin::methods "/usr/lib/apt/methods";
Dir::Bin::dpkg "/usr/bin/dpkg";
DPkg "";
DPkg::Pre-Install-Pkgs "";
DPkg::Pre-Install-Pkgs:: "/usr/bin/apt-listchanges --apt || test $? -ne 10";
DPkg::Pre-Install-Pkgs:: "/usr/sbin/dpkg-preconfigure --apt || true";
DPkg::Tools "";
DPkg::Tools::Options "";
DPkg::Tools::Options::/usr/bin/apt-listchanges "";
DPkg::Tools::Options::/usr/bin/apt-listchanges::Version "2";
Acquire "";
Acquire::http "";
Acquire::http::Proxy "http://cache.vsu.ru:3128";;

-- (no /etc/apt/preferences present) --

-- System Information:
Debian Release: testing/unstable
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'stable')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.13.2-vvv
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)

Versions of packages apt depends on:
ii  libc6                         2.3.5-6    GNU C Library: Shared libraries an
ii  libgcc1                       1:4.0.1-7  GCC support library
ii  libstdc++6                    4.0.1-7    The GNU Standard C++ Library v3

apt recommends no packages.

-- no debconf information