cherrypick from my apt/experimental branch

* apt-pkg/deb/debmetaindex.cc:
  - none is a separator, not a language: no need for Index (Closes: #624218)
* apt-pkg/aptconfiguration.cc:
  - do not builtin languages only if none is forced (Closes: #643787)

2 files changed, 10 insertions, 4 deletions

diff --git a/apt-pkg/aptconfiguration.cc b/apt-pkg/aptconfiguration.cc
index 6ec5fa03a..bc385b2dc 100644
--- a/apt-pkg/aptconfiguration.cc
+++ b/apt-pkg/aptconfiguration.cc
@@ -140,7 +140,7 @@ std::vector<std::string> const Configuration::getLanguages(bool const &All,
 		for (struct dirent *Ent = readdir(D); Ent != 0; Ent = readdir(D)) {
 			string const name = Ent->d_name;
 			size_t const foundDash = name.rfind("-");
-			size_t const foundUnderscore = name.rfind("_");
+			size_t const foundUnderscore = name.rfind("_", foundDash);
 			if (foundDash == string::npos || foundUnderscore == string::npos ||
 			    foundDash <= foundUnderscore ||
 			    name.substr(foundUnderscore+1, foundDash-(foundUnderscore+1)) != "Translation")
@@ -151,7 +151,7 @@ std::vector<std::string> const Configuration::getLanguages(bool const &All,
 			// Skip unusual files, like backups or that alike
 			string::const_iterator s = c.begin();
 			for (;s != c.end(); ++s) {
-				if (isalpha(*s) == 0)
+				if (isalpha(*s) == 0 && *s != '_')
 					break;
 			}
 			if (s != c.end())
@@ -232,6 +232,8 @@ std::vector<std::string> const Configuration::getLanguages(bool const &All,
 			codes = environment;
 		} else if (forceLang != "none")
 			codes.push_back(forceLang);
+		else //if (forceLang == "none")
+			builtin.clear();
 		allCodes = codes;
 		for (std::vector<string>::const_iterator b = builtin.begin();
 		     b != builtin.end(); ++b)
diff --git a/apt-pkg/deb/debmetaindex.cc b/apt-pkg/deb/debmetaindex.cc
index f6c50742e..22effdc8f 100644
--- a/apt-pkg/deb/debmetaindex.cc
+++ b/apt-pkg/deb/debmetaindex.cc
@@ -9,6 +9,7 @@
 #include <apt-pkg/error.h>
 
 #include <set>
+#include <algorithm>
 
 using namespace std;
 
@@ -195,7 +196,11 @@ vector <struct IndexTarget *>* debReleaseIndex::ComputeIndexTargets() const {
 		}
 	}
 
-	std::vector<std::string> const lang = APT::Configuration::getLanguages(true);
+	std::vector<std::string> lang = APT::Configuration::getLanguages(true);
+	std::vector<std::string>::iterator lend = std::remove(lang.begin(), lang.end(), "none");
+	if (lend != lang.end())
+		lang.erase(lend);
+
 	if (lang.empty() == true)
 		return IndexTargets;
 
@@ -207,7 +212,6 @@ vector <struct IndexTarget *>* debReleaseIndex::ComputeIndexTargets() const {
 		     s != sections.end(); ++s) {
 			for (std::vector<std::string>::const_iterator l = lang.begin();
 			     l != lang.end(); ++l) {
-				if (*l == "none") continue;
 				IndexTarget * Target = new OptionalIndexTarget();
 				Target->ShortDesc = "Translation-" + *l;
 				Target->MetaKey = TranslationIndexURISuffix(l->c_str(), *s);