Bug#766014: apt: autoclean aborts on dangling symbolic links

To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: Bug#766014: apt: autoclean aborts on dangling symbolic links
From: Arthur Marsh <arthur.marsh@internode.on.net>
Date: Mon, 20 Oct 2014 18:08:19 +1030
Message-id: <[🔎] 20141020073819.5934.11648.reportbug@localhost>
Reply-to: Arthur Marsh <arthur.marsh@internode.on.net>, 766014@bugs.debian.org
Package: apt
Version: 1.0.9.3
Severity: normal

Dear Maintainer,

*** Reporter, please consider answering these questions, where appropriate ***

   * What led up to the situation?

Unknown, but tens of gigabytes of files accumulated in /var/cache/apt/archives

apt-cache autoclean would abort on dangling symlinks, leaving obsolete .deb
files in the cache.

   * What exactly did you do (or not do) that was effective (or
     ineffective)?

I repeatedly ran cleanlinks and then apt-cache autoclean to remove
dangling symlinks and obsolete .deb files from the cache.

   * What was the outcome of this action?
   * What outcome did you expect instead?

apt-cache autoclean (and its aptitude equivalent) should remove dangling
symlinks rather than aborting when it encounters them.

*** End of the template - remove these template lines ***


-- Package-specific info:

-- apt-config dump --

APT "";
APT::Architecture "amd64";
APT::Build-Essential "";
APT::Build-Essential:: "build-essential";
APT::Install-Recommends "1";
APT::Install-Suggests "0";
APT::Authentication "";
APT::Authentication::TrustCDROM "true";
APT::NeverAutoRemove "";
APT::NeverAutoRemove:: "^firmware-linux.*";
APT::NeverAutoRemove:: "^linux-firmware$";
APT::NeverAutoRemove:: "^linux-image-3\.17\.0$";
APT::NeverAutoRemove:: "^linux-image-3\.17\.0+$";
APT::NeverAutoRemove:: "^linux-headers-3\.17\.0$";
APT::NeverAutoRemove:: "^linux-headers-3\.17\.0+$";
APT::NeverAutoRemove:: "^linux-image-extra-3\.17\.0$";
APT::NeverAutoRemove:: "^linux-image-extra-3\.17\.0+$";
APT::NeverAutoRemove:: "^linux-signed-image-3\.17\.0$";
APT::NeverAutoRemove:: "^linux-signed-image-3\.17\.0+$";
APT::NeverAutoRemove:: "^kfreebsd-image-3\.17\.0$";
APT::NeverAutoRemove:: "^kfreebsd-image-3\.17\.0+$";
APT::NeverAutoRemove:: "^kfreebsd-headers-3\.17\.0$";
APT::NeverAutoRemove:: "^kfreebsd-headers-3\.17\.0+$";
APT::NeverAutoRemove:: "^gnumach-image-3\.17\.0$";
APT::NeverAutoRemove:: "^gnumach-image-3\.17\.0+$";
APT::NeverAutoRemove:: "^.*-modules-3\.17\.0$";
APT::NeverAutoRemove:: "^.*-modules-3\.17\.0+$";
APT::NeverAutoRemove:: "^.*-kernel-3\.17\.0$";
APT::NeverAutoRemove:: "^.*-kernel-3\.17\.0+$";
APT::NeverAutoRemove:: "^linux-backports-modules-.*-3\.17\.0$";
APT::NeverAutoRemove:: "^linux-backports-modules-.*-3\.17\.0+$";
APT::NeverAutoRemove:: "^linux-tools-3\.17\.0$";
APT::NeverAutoRemove:: "^linux-tools-3\.17\.0+$";
APT::VersionedKernelPackages "";
APT::VersionedKernelPackages:: "linux-image";
APT::VersionedKernelPackages:: "linux-headers";
APT::VersionedKernelPackages:: "linux-image-extra";
APT::VersionedKernelPackages:: "linux-signed-image";
APT::VersionedKernelPackages:: "kfreebsd-image";
APT::VersionedKernelPackages:: "kfreebsd-headers";
APT::VersionedKernelPackages:: "gnumach-image";
APT::VersionedKernelPackages:: ".*-modules";
APT::VersionedKernelPackages:: ".*-kernel";
APT::VersionedKernelPackages:: "linux-backports-modules-.*";
APT::VersionedKernelPackages:: "linux-tools";
APT::Never-MarkAuto-Sections "";
APT::Never-MarkAuto-Sections:: "metapackages";
APT::Never-MarkAuto-Sections:: "restricted/metapackages";
APT::Never-MarkAuto-Sections:: "universe/metapackages";
APT::Never-MarkAuto-Sections:: "multiverse/metapackages";
APT::Never-MarkAuto-Sections:: "oldlibs";
APT::Never-MarkAuto-Sections:: "restricted/oldlibs";
APT::Never-MarkAuto-Sections:: "universe/oldlibs";
APT::Never-MarkAuto-Sections:: "multiverse/oldlibs";
APT::Update "";
APT::Update::Post-Invoke "";
APT::Update::Post-Invoke:: "[ ! -x /usr/bin/debtags ] || debtags update || true";
APT::Architectures "";
APT::Architectures:: "amd64";
APT::Compressor "";
APT::Compressor::. "";
APT::Compressor::.::Name ".";
APT::Compressor::.::Extension "";
APT::Compressor::.::Binary "";
APT::Compressor::.::Cost "1";
APT::Compressor::gzip "";
APT::Compressor::gzip::Name "gzip";
APT::Compressor::gzip::Extension ".gz";
APT::Compressor::gzip::Binary "gzip";
APT::Compressor::gzip::Cost "2";
APT::Compressor::gzip::CompressArg "";
APT::Compressor::gzip::CompressArg:: "-9n";
APT::Compressor::gzip::UncompressArg "";
APT::Compressor::gzip::UncompressArg:: "-d";
APT::Compressor::bzip2 "";
APT::Compressor::bzip2::Name "bzip2";
APT::Compressor::bzip2::Extension ".bz2";
APT::Compressor::bzip2::Binary "bzip2";
APT::Compressor::bzip2::Cost "3";
APT::Compressor::bzip2::CompressArg "";
APT::Compressor::bzip2::CompressArg:: "-9";
APT::Compressor::bzip2::UncompressArg "";
APT::Compressor::bzip2::UncompressArg:: "-d";
APT::Compressor::xz "";
APT::Compressor::xz::Name "xz";
APT::Compressor::xz::Extension ".xz";
APT::Compressor::xz::Binary "xz";
APT::Compressor::xz::Cost "4";
APT::Compressor::xz::CompressArg "";
APT::Compressor::xz::CompressArg:: "-6";
APT::Compressor::xz::UncompressArg "";
APT::Compressor::xz::UncompressArg:: "-d";
APT::Compressor::lzma "";
APT::Compressor::lzma::Name "lzma";
APT::Compressor::lzma::Extension ".lzma";
APT::Compressor::lzma::Binary "xz";
APT::Compressor::lzma::Cost "5";
APT::Compressor::lzma::CompressArg "";
APT::Compressor::lzma::CompressArg:: "--format=lzma";
APT::Compressor::lzma::CompressArg:: "-9";
APT::Compressor::lzma::UncompressArg "";
APT::Compressor::lzma::UncompressArg:: "--format=lzma";
APT::Compressor::lzma::UncompressArg:: "-d";
Dir "/";
Dir::State "var/lib/apt/";
Dir::State::lists "lists/";
Dir::State::cdroms "cdroms.list";
Dir::State::mirrors "mirrors/";
Dir::State::extended_states "extended_states";
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::sourceparts "sources.list.d";
Dir::Etc::vendorlist "vendors.list";
Dir::Etc::vendorparts "vendors.list.d";
Dir::Etc::main "apt.conf";
Dir::Etc::netrc "auth.conf";
Dir::Etc::parts "apt.conf.d";
Dir::Etc::preferences "preferences";
Dir::Etc::preferencesparts "preferences.d";
Dir::Etc::trusted "trusted.gpg";
Dir::Etc::trustedparts "trusted.gpg.d";
Dir::Bin "";
Dir::Bin::methods "/usr/lib/apt/methods";
Dir::Bin::solvers "";
Dir::Bin::solvers:: "/usr/lib/apt/solvers";
Dir::Bin::dpkg "/usr/bin/dpkg";
Dir::Bin::bzip2 "/bin/bzip2";
Dir::Bin::xz "/usr/bin/xz";
Dir::Bin::lzma "/usr/bin/xz";
Dir::Media "";
Dir::Media::MountPath "/media/apt";
Dir::Log "var/log/apt";
Dir::Log::Terminal "term.log";
Dir::Log::History "history.log";
Dir::Ignore-Files-Silently "";
Dir::Ignore-Files-Silently:: "~$";
Dir::Ignore-Files-Silently:: "\.disabled$";
Dir::Ignore-Files-Silently:: "\.bak$";
Dir::Ignore-Files-Silently:: "\.dpkg-[a-z]+$";
Dir::Ignore-Files-Silently:: "\.save$";
Dir::Ignore-Files-Silently:: "\.orig$";
Dir::Ignore-Files-Silently:: "\.distUpgrade$";
Acquire "";
Acquire::cdrom "";
Acquire::cdrom::mount "/media/cdrom/";
Acquire::Languages "";
Acquire::Languages:: "en";
Acquire::Languages:: "none";
Unattended-Upgrade "";
Unattended-Upgrade::Origins-Pattern "";
Unattended-Upgrade::Origins-Pattern:: "origin=Debian,archive=${distro_codename},label=Debian-Security";
DPkg "";
DPkg::Pre-Install-Pkgs "";
DPkg::Pre-Install-Pkgs:: "/usr/sbin/dpkg-preconfigure --apt || true";
CommandLine "";
CommandLine::AsString "apt-config dump";

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


-- /etc/apt/sources.list --

#deb http://nightlies.videolan.org/build/sid-amd64/arch ./

#deb http://ppa.quickbuild.pearsoncomputing.net/trinity/trinity-v3.5.13/debian squeeze main
#deb-src http://ppa.quickbuild.pearsoncomputing.net/trinity/trinity-v3.5.13/debian squeeze main
#deb http://ppa.quickbuild.pearsoncomputing.net/trinity/trinity-builddeps-v3.5.13/debian squeeze main
#deb-src http://ppa.quickbuild.pearsoncomputing.net/trinity/trinity-builddeps-v3.5.13/debian squeeze main

deb-src ftp://mirror.internode.on.net/debian/ stable main contrib non-free
deb ftp://mirror.internode.on.net/debian/ oldstable main contrib non-free  
deb-src ftp://mirror.internode.on.net/debian/ oldstable main contrib non-free  
deb ftp://mirror.internode.on.net/debian/ stable main contrib non-free  
deb ftp://mirror.internode.on.net/debian/ testing main contrib non-free  
#deb ftp://ftp.at.debian.org/debian/ testing main contrib non-free  
deb ftp://mirror.internode.on.net/debian/ unstable main contrib non-free 
#deb ftp://ftp.nz.debian.org/debian/ unstable main contrib non-free 
#deb ftp://ftp.at.debian.org/debian/ unstable main contrib non-free 
#deb ftp://ftp.nz.debian.org/debian/ testing main contrib non-free 
deb-src ftp://mirror.internode.on.net/debian/ testing main contrib non-free
deb-src ftp://mirror.internode.on.net/debian/ unstable main contrib non-free

deb ftp://mirror.internode.on.net/debian/ experimental main contrib non-free
##deb ftp://ftp.nz.debian.org/debian/ experimental main contrib non-free
#deb ftp://ftp.at.debian.org/debian/ experimental main contrib non-free
deb-src ftp://mirror.internode.on.net/debian/ experimental main contrib non-free
##deb-src http://ftp.nz.debian.org/debian experimental main non-free contrib

deb http://security.debian.org/ stable/updates main 
deb http://security.debian.org/ testing/updates main 


#deb http://husky.sourceforge.net/debian stable main 
#deb http://husky.sourceforge.net/debian testing main 
#deb http://husky.sourceforge.net/debian unstable main 
#deb-src http://husky.sourceforge.net/debian stable main
#deb-src http://husky.sourceforge.net/debian testing main
#deb-src http://husky.sourceforge.net/debian unstable main

#deb http://kernel-archive.buildserver.net/debian-kernel sid main
#deb http://kernel-archive.buildserver.net/debian-kernel trunk main
#deb-src http://kernel-archive.buildserver.net/debian-kernel sid main
#deb-src http://kernel-archive.buildserver.net/debian-kernel trunk main

#deb http://snapshot.debian.net/archive pool linux-2.6
#deb-src http://snapshot.debian.net/archive pool linux-2.6

-- System Information:
Debian Release: jessie/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable'), (500, 'oldstable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 3.17.0+ (SMP w/4 CPU cores; PREEMPT)
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages apt depends on:
ii  debian-archive-keyring  2014.1
ii  gnupg                   1.4.18-4
ii  libapt-pkg4.12          1.0.9.3
ii  libc6                   2.19-11
ii  libgcc1                 1:4.9.1-18
ii  libstdc++6              4.9.1-18

apt recommends no packages.

Versions of packages apt suggests:
pn  apt-doc     <none>
ii  aptitude    0.6.11-1
ii  dpkg-dev    1.17.18
ii  python-apt  0.9.3.10

-- no debconf information
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  - From: Julian Andres Klode <jak@debian.org>
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