Package: unattended-upgrades
Version: 0.93.1+nmu1
Severity: normal
Tags: patch

Hi,

In the past week, my filesystem finally filled up due to 6GB of
archives in /var/cache/apt/archives. I identified unattended-upgrades
as the cause of this problem, as it didn't purge old packages (hello
texlive!) that it downloaded previously, even when there were
many versions of the same packages.

unattended-upgrades doesn't document how to work around this problem
at all, in itself. There is, however, sparse documentation here and
there that indicate there are ways of doing this with:

// Do "apt-get autoclean" every n-days (0=disable)
APT::Periodic::AutocleanInterval "7";

This is documented in:

https://wiki.debian.org/UnattendedUpgrades
https://debian-handbook.info/browse/stable/sect.regular-upgrades.html

It seem important that the default configuration also documents this
feature, if not just enable it by default.

I filed a pull request upstream for this:

https://github.com/mvo5/unattended-upgrades/pull/68

A.

-- System Information:
Debian Release: 9.1
  APT prefers stable
  APT policy: (500, 'stable'), (1, 'experimental'), (1, 'unstable')
Architecture: amd64 (x86_64)
Foreign Architectures: armhf

Kernel: Linux 4.9.0-3-amd64 (SMP w/4 CPU cores)
Locale: LANG=fr_CA.UTF-8, LC_CTYPE=fr_CA.UTF-8 (charmap=UTF-8), 
LANGUAGE=fr_CA.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages unattended-upgrades depends on:
ii  apt                    1.4.7
ii  apt-utils              1.4.7
ii  debconf [debconf-2.0]  1.5.61
ii  init-system-helpers    1.48
ii  lsb-base               9.20161125
ii  lsb-release            9.20161125
ii  python3                3.5.3-1
ii  python3-apt            1.4.0~beta3
ii  ucf                    3.0036
ii  xz-utils               5.2.2-1.2+b1

Versions of packages unattended-upgrades recommends:
ii  anacron             2.3-24
ii  cron [cron-daemon]  3.0pl1-128+b1

Versions of packages unattended-upgrades suggests:
ii  bsd-mailx                         8.1.2-0.20160123cvs-4
ii  msmtp-mta [mail-transport-agent]  1.6.6-1
ii  needrestart                       2.11-3

-- debconf information excluded

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