Bug#717665: "file" URI in sources.list: apt-cache show description-en missing.

To: submit@bugs.debian.org
Subject: Bug#717665: "file" URI in sources.list: apt-cache show description-en missing.
From: Franco Martelli <martellif67@gmail.com>
Date: Tue, 23 Jul 2013 17:50:25 +0200
Message-id: <[🔎] 51EEA641.7090303@gmail.com>
Reply-to: Franco Martelli <martellif67@gmail.com>, 717665@bugs.debian.org

Package: apt
Version: 0.9.7.9

Dear APT Development Team,

The scenario:

# cat /etc/debian_version
7.1
# LC_ALL=C apt-get -v
apt 0.9.7.9 for amd64 compiled on Jun  4 2013 09:30:58
Supported modules:
*Ver: Standard .deb
*Pkg:  Debian dpkg interface (Priority 30)
 Pkg:  Debian APT solver interface (Priority -1000)
 S.L: 'deb' Standard Debian binary tree
 S.L: 'deb-src' Standard Debian source tree
 Idx: Debian Source Index
 Idx: Debian Package Index
 Idx: Debian Translation Index
 Idx: Debian dpkg status file
 Idx: EDSP scenario file

I use iso dvd images mounted in loop to keep updated Wheezy, my
sources.list:

# egrep -v "^#" /etc/apt/sources.list
deb file:/media/sdb1/wheezy/dvd-1/ wheezy main contrib
deb file:/media/sdb1/wheezy/dvd-2/ wheezy main contrib
deb file:/media/sdb1/wheezy/dvd-3/ wheezy main contrib
deb file:/media/sdb1/wheezy/dvd-4/ wheezy main contrib
deb file:/media/sdb1/wheezy/dvd-5/ wheezy main contrib
deb file:/media/sdb1/wheezy/dvd-6/ wheezy main contrib
deb file:/media/sdb1/wheezy/dvd-7/ wheezy main contrib
deb file:/media/sdb1/wheezy/dvd-8/ wheezy main contrib
deb file:/media/sdb1/wheezy/dvd-9/ wheezy main contrib
deb file:/media/sdb1/wheezy/dvd-10/ wheezy main contrib

deb http://security.debian.org/ wheezy/updates main contrib

They are directories mount points to each iso image, relevant part of my
/etc/fstab:
...
# Wheezy dvd iso.
/media/sdb1/wheezy/amd64-1.iso /media/sdb1/wheezy/dvd-1 iso9660
ro,noauto,loop 0 0
/media/sdb1/wheezy/amd64-2.iso /media/sdb1/wheezy/dvd-2 iso9660
ro,noauto,loop 0 0
/media/sdb1/wheezy/amd64-3.iso /media/sdb1/wheezy/dvd-3 iso9660
ro,noauto,loop 0 0
/media/sdb1/wheezy/amd64-4.iso /media/sdb1/wheezy/dvd-4 iso9660
ro,noauto,loop 0 0
/media/sdb1/wheezy/amd64-5.iso /media/sdb1/wheezy/dvd-5 iso9660
ro,noauto,loop 0 0
/media/sdb1/wheezy/amd64-6.iso /media/sdb1/wheezy/dvd-6 iso9660
ro,noauto,loop 0 0
/media/sdb1/wheezy/amd64-7.iso /media/sdb1/wheezy/dvd-7 iso9660
ro,noauto,loop 0 0
/media/sdb1/wheezy/amd64-8.iso /media/sdb1/wheezy/dvd-8 iso9660
ro,noauto,loop 0 0
/media/sdb1/wheezy/amd64-9.iso /media/sdb1/wheezy/dvd-9 iso9660
ro,noauto,loop 0 0
/media/sdb1/wheezy/amd64-10.iso /media/sdb1/wheezy/dvd-10 iso9660
ro,noauto,loop 0 0

Each amd64*.iso are sym links to the actual dvd iso images:

~# ls -l /media/sdb1/wheezy/amd64-1.iso
lrwxrwxrwx 1 foo bar 28 giu 20 16:26 /media/sdb1/wheezy/amd64-1.iso ->
debian-7.1.0-amd64-DVD-1.iso

I added 20language file to /etc/apt/apt.conf.d/ directory in order to
have english translation when descriptions are shown:

# cat /etc/apt/apt.conf.d/20language
Acquire::Languages "en";

~# LC_ALL=C apt-get update
Ign file: wheezy Release.gpg
Ign file: wheezy Release.gpg
Ign file: wheezy Release.gpg
Ign file: wheezy Release.gpg
Ign file: wheezy Release.gpg
Ign file: wheezy Release.gpg
Ign file: wheezy Release.gpg
Ign file: wheezy Release.gpg
Ign file: wheezy Release.gpg
Ign file: wheezy Release.gpg
Get:1 file: wheezy Release [18.6 kB]
Get:2 file: wheezy Release [17.3 kB]
Get:3 file: wheezy Release [13.8 kB]
Get:4 file: wheezy Release [17.7 kB]
Get:5 file: wheezy Release [17.7 kB]
Get:6 file: wheezy Release [16.0 kB]
Get:7 file: wheezy Release [15.5 kB]
Get:8 file: wheezy Release [17.7 kB]
Get:9 file: wheezy Release [16.0 kB]
Get:10 file: wheezy Release [12.1 kB]
Get:11 http://security.debian.org wheezy/updates Release.gpg [836 B]
Get:12 http://security.debian.org wheezy/updates Release [102 kB]
Get:13 http://security.debian.org wheezy/updates/main amd64 Packages
[85.1 kB]
Get:14 http://security.debian.org wheezy/updates/contrib amd64 Packages
[14 B]
Get:15 http://security.debian.org wheezy/updates/contrib Translation-en
[14 B]
Get:16 http://security.debian.org wheezy/updates/main Translation-en
[49.3 kB]
Fetched 238 kB in 13s (18.0 kB/s)

Reading package lists... Done

When I show details of a package with apt-cache command I got a short
description of the searched package. It seems that english translation
files aren't merged into /var/lib/apt/lists/ directory:

~# apt-cache show less
Package: less
Version: 444-4
Installed-Size: 286
Maintainer: Anibal Monsalve Salazar <anibal@debian.org>
Architecture: amd64
Depends: libc6 (>= 2.11), libtinfo5, debianutils (>= 1.8)
Description: pager program similar to more
Homepage: http://www.greenwoodsoftware.com/less/
Description-md5: a2c2d2eff1fb9762b71faf7540cf8dce
Tag: implemented-in::c, interface::text-mode, role::program, scope::utility,
 uitoolkit::ncurses, use::viewing, works-with::text
Section: text
Priority: standard
Filename: pool/main/l/less/less_444-4_amd64.deb
Size: 134872
...

So I try to copy Translation-en file from the first loop mounted dvd
iso image (dvd-1) to /var/lib/apt/lists directory (renamed
opportunely) and translations are shown:

# cd /var/lib/apt/lists
/var/lib/apt/lists# cp
/media/sdb1/wheezy/dvd-1/dists/wheezy/main/i18n/Translation-en.gz
_media_sdb1_wheezy_dvd-1_dists_wheezy_main_i18n_Translation-en.gz
/var/lib/apt/lists# apt-cache show less
Package: less
Version: 444-4
Installed-Size: 286
Maintainer: Anibal Monsalve Salazar <anibal@debian.org>
Architecture: amd64
Depends: libc6 (>= 2.11), libtinfo5, debianutils (>= 1.8)
Description-en: pager program similar to more
 This package provides "less", a file pager (that is, a memory-efficient
 utility for displaying text one screenful at a time). Less has many
 more features than the basic pager "more". As part of the GNU project,
 it is widely regarded as the standard pager on UNIX-derived systems.
 .
 Also provided are "lessecho", a simple utility for ensuring arguments
 with spaces are correctly quoted; "lesskey", a tool for modifying the
 standard (vi-like) keybindings; and "lesspipe", a filter for specific
 types of input, such as .doc or .txt.gz files.
Homepage: http://www.greenwoodsoftware.com/less/
Description-md5: a2c2d2eff1fb9762b71faf7540cf8dce
Tag: implemented-in::c, interface::text-mode, role::program,
scope::utility,
 uitoolkit::ncurses, use::viewing, works-with::text
Section: text
Priority: standard
Filename: pool/main/l/less/less_444-4_amd64.deb
Size: 134872
...

Briefly, archives gets with "file" URI in sources.list they are missing
of Translation-en.gz files in "/var/lib/apt/list" directory, while
archives gets with "http" URI they have Translation-en and
description-en are shown regularly. Therefore is it known behavior of
the "file" URI? How can I enable Description-en gets via "file" URI
without copy those Translation-en.gz files by hand?
Thank you very much for your attention.
Regards.
-- 
                                        Franco Martelli.

Reply to:

Follow-Ups:
- Bug#717665: "file" URI in sources.list: apt-cache show description-en missing.
  - From: David Kalnischkies <kalnischkies+debian@gmail.com>
- Bug#717665: marked as done ("file" URI in sources.list: apt-cache show description-en missing.)
  - From: owner@bugs.debian.org (Debian Bug Tracking System)

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