* apt-pkg/pkgcache.cc:

  - fallback always to a suitable description (Closes: #601016)

apt-pkg/pkgcache.cc

@@ -891,18 +891,19 @@ pkgCache::DescIterator pkgCache::VerIterator::TranslatedDescription() const
    for (std::vector<string>::const_iterator l = lang.begin();
 	l != lang.end(); l++)
    {
-      pkgCache::DescIterator DescDefault = DescriptionList();
-      pkgCache::DescIterator Desc = DescDefault;
-
-      for (; Desc.end() == false; Desc++)
+      pkgCache::DescIterator Desc = DescriptionList();
+      for (; Desc.end() == false; ++Desc)
 	 if (*l == Desc.LanguageCode() ||
 	     (*l == "en" && strcmp(Desc.LanguageCode(),"") == 0))
 	    break;
-      if (Desc.end() == true) 
-	 Desc = DescDefault;
+      if (Desc.end() == true)
+	 continue;
       return Desc;
    }
-
+   for (pkgCache::DescIterator Desc = DescriptionList();
+	Desc.end() == false; ++Desc)
+      if (strcmp(Desc.LanguageCode(), "") == 0)
+	 return Desc;
    return DescriptionList();
 };
 

debian/changelog

@@ -7,8 +7,10 @@ apt (0.8.8) UNRELEASED; urgency=low
       does - the sizes can differ since the direct gzip integration
   * methods/{gzip,bzip2}.cc:
     - use FileSize() to determine if the file is invalid (Closes: #600852)
+  * apt-pkg/pkgcache.cc:
+    - fallback always to a suitable description (Closes: #601016)
 
- -- David Kalnischkies <kalnischkies@gmail.com>  Thu, 21 Oct 2010 16:53:10 +0200
+ -- David Kalnischkies <kalnischkies@gmail.com>  Tue, 26 Oct 2010 23:23:01 +0200
 
 apt (0.8.7) unstable; urgency=low
 

test/integration/test-bug-601016-description-translation

@@ -0,0 +1,91 @@
+#!/bin/sh
+set -e
+
+TESTDIR=$(readlink -f $(dirname $0))
+. $TESTDIR/framework
+setupenvironment
+configarchitecture "i386"
+
+# we need a valid locale here, otherwise the language configuration
+# will be overridden by LC_ALL=C
+LOCALE="$(echo "$LANG" | cut -d'_' -f 1)"
+
+PACKAGESTANZA="Package: apt
+Priority: important
+Section: admin
+Installed-Size: 5984
+Maintainer: APT Development Team <deity@lists.debian.org>
+Architecture: i386
+Version: 0.8.7
+Filename: pool/main/a/apt/apt_0.8.7_i386.deb
+Size: 2140230
+MD5sum: 74769bfbcef9ebc4fa74f7a5271b9c08
+Description-md5: d41ee493aa9fcc6cbc9ce4eb7069959c"
+
+
+echo "$PACKAGESTANZA
+Description: Advanced front-end for dpkg" > aptarchive/Packages
+
+echo "Package: apt
+Description-md5: d41ee493aa9fcc6cbc9ce4eb7069959c
+Description-${LOCALE}: Mächtige Oberfläche für dpkg
+ Das Paket bietet dem Nutzer technisch führende Methoden für den Zugriff
+ auf den dpkg-Paketmanager. Es beinhaltet das apt-get-Werkzeug und die
+ APT-Dselect-Methode. Beides sind einfache und sicherere Wege,
+ um Pakete zu installieren und Upgrades durchzuführen." | bzip2 > aptarchive/${LOCALE}.bz2
+
+# the $LOCALE translation file will not be included as it is a flat archive it came from and therefore
+# its name can not be guessed correctly… (in non-flat archives the files are called Translation-*)
+echo 'APT::Cache::Generate "false";' > rootdir/etc/apt/apt.conf.d/00nogenerate
+
+NOLONGSTANZA="$PACKAGESTANZA
+Description: Advanced front-end for dpkg
+"
+
+ENGLISHSTANZA="$PACKAGESTANZA
+Description: Advanced front-end for dpkg
+"
+
+LOCALESTANZA="$PACKAGESTANZA
+Description-${LOCALE}: Mächtige Oberfläche für dpkg
+ Das Paket bietet dem Nutzer technisch führende Methoden für den Zugriff
+ auf den dpkg-Paketmanager. Es beinhaltet das apt-get-Werkzeug und die
+ APT-Dselect-Methode. Beides sind einfache und sicherere Wege,
+ um Pakete zu installieren und Upgrades durchzuführen.
+"
+
+testrun() {
+	echo "Acquire::Languages { \"${LOCALE}\"; \"en\"; };" > rootdir/etc/apt/apt.conf.d/00languages
+	export LC_ALL=""
+	setupaptarchive
+	testequal "$LOCALESTANZA" aptcache show apt -o Test=File-${LOCALE}
+	testequal "$NOLONGSTANZA" aptcache show apt -o Acquire::Languages="ww" -o Test=File-${LOCALE}
+	testequal "$LOCALESTANZA" aptcache show apt -o Acquire::Languages::="ww" -o Test=File-${LOCALE}
+	LC_ALL=C testequal "$ENGLISHSTANZA" aptcache show apt -o Test=File-${LOCALE}
+	export LC_ALL=""
+	echo "Acquire::Languages { \"ww\"; \"${LOCALE}\"; \"en\"; };" > rootdir/etc/apt/apt.conf.d/00languages
+	testequal "$LOCALESTANZA" aptcache show apt -o Test=File-ww-${LOCALE}
+	echo "Acquire::Languages { \"ww\"; \"en\"; };" > rootdir/etc/apt/apt.conf.d/00languages
+	testequal "$ENGLISHSTANZA" aptcache show apt -o Test=File-ww
+}
+
+testrun
+
+echo "$PACKAGESTANZA
+Description: Advanced front-end for dpkg" > aptarchive/Packages
+
+echo "Package: apt
+Description-md5: d41ee493aa9fcc6cbc9ce4eb7069959c
+Description-en: Advanced front-end for dpkg
+ This is Debian's next generation front-end for the dpkg package manager.
+ It provides the apt-get utility and APT dselect method that provides a
+ simpler, safer way to install and upgrade packages." | bzip2 > aptarchive/en.bz2
+
+ENGLISHSTANZA="$PACKAGESTANZA
+Description-en: Advanced front-end for dpkg
+ This is Debian's next generation front-end for the dpkg package manager.
+ It provides the apt-get utility and APT dselect method that provides a
+ simpler, safer way to install and upgrade packages.
+"
+
+testrun