evaluate Acquire::Languages= before LANG= (Closes: #602573)

diff --git a/apt-pkg/aptconfiguration.cc b/apt-pkg/aptconfiguration.cc
index 5cc9277..52f5407 100644 (file)
--- a/apt-pkg/aptconfiguration.cc
+++ b/apt-pkg/aptconfiguration.cc
@@ -166,18 +166,6 @@ std::vector<std::string> const Configuration::getLanguages(bool const &All,
        string const envShort = envLong.substr(0,lenShort);
        bool envLongIncluded = true;
 
-       // first cornercase: LANG=C, so we use only "en" Translation
-       if (envLong == "C") {
-               if (_config->Find("Acquire::Languages","") != "none")
-                       codes.push_back("en");
-               allCodes = codes;
-               allCodes.insert(allCodes.end(), builtin.begin(), builtin.end());
-               if (All == true)
-                       return allCodes;
-               else
-                       return codes;
-       }
-
        // to save the servers from unneeded queries, we only try also long codes
        // for languages it is realistic to have a long code translation file…
        // TODO: Improve translation acquire system to drop them dynamic
@@ -218,37 +206,41 @@ std::vector<std::string> const Configuration::getLanguages(bool const &All,
        // It is very likely we will need to environment codes later,
        // so let us generate them now from LC_MESSAGES and LANGUAGE
        std::vector<string> environment;
-       // take care of LC_MESSAGES
-       if (envLongIncluded == false)
-               environment.push_back(envLong);
-       environment.push_back(envShort);
-       // take care of LANGUAGE
-       const char *language_env = getenv("LANGUAGE") == 0 ? "" : getenv("LANGUAGE");
-       string envLang = Locale == 0 ? language_env : *(Locale+1);
-       if (envLang.empty() == false) {
-               std::vector<string> env = VectorizeString(envLang,':');
-               short addedLangs = 0; // add a maximum of 3 fallbacks from the environment
-               for (std::vector<string>::const_iterator e = env.begin();
-                    e != env.end() && addedLangs < 3; ++e) {
-                       if (unlikely(e->empty() == true) || *e == "en")
-                               continue;
-                       if (*e == envLong || *e == envShort)
-                               continue;
-                       if (std::find(environment.begin(), environment.end(), *e) != environment.end())
-                               continue;
-                       if (e->find('_') != string::npos) {
-                               // Drop LongCodes here - ShortCodes are also included
-                               string const shorty = e->substr(0, e->find('_'));
-                               char const **n = needLong;
-                               for (; *n != NULL; ++n)
-                                       if (shorty == *n)
-                                               break;
-                               if (*n == NULL)
+       if (envShort != "C") {
+               // take care of LC_MESSAGES
+               if (envLongIncluded == false)
+                       environment.push_back(envLong);
+               environment.push_back(envShort);
+               // take care of LANGUAGE
+               const char *language_env = getenv("LANGUAGE") == 0 ? "" : getenv("LANGUAGE");
+               string envLang = Locale == 0 ? language_env : *(Locale+1);
+               if (envLang.empty() == false) {
+                       std::vector<string> env = VectorizeString(envLang,':');
+                       short addedLangs = 0; // add a maximum of 3 fallbacks from the environment
+                       for (std::vector<string>::const_iterator e = env.begin();
+                            e != env.end() && addedLangs < 3; ++e) {
+                               if (unlikely(e->empty() == true) || *e == "en")
+                                       continue;
+                               if (*e == envLong || *e == envShort)
+                                       continue;
+                               if (std::find(environment.begin(), environment.end(), *e) != environment.end())
                                        continue;
+                               if (e->find('_') != string::npos) {
+                                       // Drop LongCodes here - ShortCodes are also included
+                                       string const shorty = e->substr(0, e->find('_'));
+                                       char const **n = needLong;
+                                       for (; *n != NULL; ++n)
+                                               if (shorty == *n)
+                                                       break;
+                                       if (*n == NULL)
+                                               continue;
+                               }
+                               ++addedLangs;
+                               environment.push_back(*e);
                        }
-                       ++addedLangs;
-                       environment.push_back(*e);
                }
+       } else {
+               environment.push_back("en");
        }
 
        // Support settings like Acquire::Translation=none on the command line to
@@ -270,6 +262,16 @@ std::vector<std::string> const Configuration::getLanguages(bool const &All,
                        return codes;
        }
 
+       // cornercase: LANG=C, so we use only "en" Translation
+       if (envShort == "C") {
+               allCodes = codes = environment;
+               allCodes.insert(allCodes.end(), builtin.begin(), builtin.end());
+               if (All == true)
+                       return allCodes;
+               else
+                       return codes;
+       }
+
        std::vector<string> const lang = _config->FindVector("Acquire::Languages");
        // the default setting -> "environment, en"
        if (lang.empty() == true) {

diff --git a/debian/changelog b/debian/changelog
index 510bc45..b103a32 100644 (file)
--- a/debian/changelog
+++ b/debian/changelog
@@ -7,12 +7,12 @@ apt (0.8.9) UNRELEASED; urgency=low
 
   [ David Kalnischkies ]
   * apt-pkg/aptconfiguration.cc:
-    - respect the none-force even in LANG=C (Closes: #602573)
+    - evaluate Acquire::Languages= before LANG= (Closes: #602573)
   * apt-pkg/orderlist.cc:
     - try fixing before removing even if the fix is hidden in
       a provides, hidden in the #590438 testcase
 
- -- David Kalnischkies <kalnischkies@gmail.com>  Sat, 06 Nov 2010 12:50:20 +0100
+ -- David Kalnischkies <kalnischkies@gmail.com>  Tue, 09 Nov 2010 14:16:41 +0100
 
 apt (0.8.8) unstable; urgency=low
 

diff --git a/test/libapt/getlanguages_test.cc b/test/libapt/getlanguages_test.cc
index 14f1af1..3559aae 100644 (file)
--- a/test/libapt/getlanguages_test.cc
+++ b/test/libapt/getlanguages_test.cc
@@ -89,6 +89,24 @@ int main(int argc,char *argv[])
        env[0] = "C";
        vec = APT::Configuration::getLanguages(false, false, env);
        equals(vec.size(), 0);
+
+       _config->Set("Acquire::Languages", "environment");
+       env[0] = "C";
+       vec = APT::Configuration::getLanguages(false, false, env);
+       equals(vec.size(), 1);
+       equals(vec[0], "en");
+
+       _config->Set("Acquire::Languages", "de");
+       env[0] = "C";
+       vec = APT::Configuration::getLanguages(false, false, env);
+       equals(vec.size(), 1);
+       equals(vec[0], "de");
+
+       _config->Set("Acquire::Languages", "fr");
+       env[0] = "ast_DE.UTF-8";
+       vec = APT::Configuration::getLanguages(false, false, env);
+       equals(vec.size(), 1);
+       equals(vec[0], "fr");
        _config->Set("Acquire::Languages", "");
 
        _config->Set("Acquire::Languages::1", "environment");