1 files changed, 35 insertions, 28 deletions

diff --git a/apt-pkg/aptconfiguration.cc b/apt-pkg/aptconfiguration.cc
index d72b0c5ae..d31ccb642 100644
--- a/apt-pkg/aptconfiguration.cc
+++ b/apt-pkg/aptconfiguration.cc
@@ -47,6 +47,7 @@ const Configuration::getCompressionTypes(bool const &Cached) {
 	_config->CndSet("Acquire::CompressionTypes::gz","gzip");
 
 	setDefaultConfigurationForCompressors();
+	std::vector<APT::Configuration::Compressor> const compressors = getCompressors();
 
 	// accept non-list order as override setting for config settings on commandline
 	std::string const overrideOrder = _config->Find("Acquire::CompressionTypes::Order","");
@@ -60,15 +61,17 @@ const Configuration::getCompressionTypes(bool const &Cached) {
 		if ((*o).empty() == true)
 			continue;
 		// ignore types we have no method ready to use
-		if (_config->Exists(std::string("Acquire::CompressionTypes::").append(*o)) == false)
+		std::string const method = std::string("Acquire::CompressionTypes::").append(*o);
+		if (_config->Exists(method) == false)
 			continue;
 		// ignore types we have no app ready to use
-		std::string const appsetting = std::string("Dir::Bin::").append(*o);
-		if (_config->Exists(appsetting) == true) {
-			std::string const app = _config->FindFile(appsetting.c_str(), "");
-			if (app.empty() == false && FileExists(app) == false)
-				continue;
-		}
+		std::string const app = _config->Find(method);
+		std::vector<APT::Configuration::Compressor>::const_iterator c = compressors.begin();
+		for (; c != compressors.end(); ++c)
+			if (c->Name == app)
+				break;
+		if (c == compressors.end())
+			continue;
 		types.push_back(*o);
 	}
 
@@ -84,12 +87,12 @@ const Configuration::getCompressionTypes(bool const &Cached) {
 		if (std::find(types.begin(),types.end(),Types->Tag) != types.end())
 			continue;
 		// ignore types we have no app ready to use
-		std::string const appsetting = std::string("Dir::Bin::").append(Types->Value);
-		if (appsetting.empty() == false && _config->Exists(appsetting) == true) {
-			std::string const app = _config->FindFile(appsetting.c_str(), "");
-			if (app.empty() == false && FileExists(app) == false)
-				continue;
-		}
+		std::vector<APT::Configuration::Compressor>::const_iterator c = compressors.begin();
+		for (; c != compressors.end(); ++c)
+			if (c->Name == Types->Value)
+				break;
+		if (c == compressors.end())
+			continue;
 		types.push_back(Types->Tag);
 	}
 
@@ -141,7 +144,7 @@ std::vector<std::string> const Configuration::getLanguages(bool const &All,
 	if (D != 0) {
 		builtin.push_back("none");
 		for (struct dirent *Ent = readdir(D); Ent != 0; Ent = readdir(D)) {
-			string const name = Ent->d_name;
+			string const name = SubstVar(Ent->d_name, "%5f", "_");
 			size_t const foundDash = name.rfind("-");
 			size_t const foundUnderscore = name.rfind("_", foundDash);
 			if (foundDash == string::npos || foundUnderscore == string::npos ||
@@ -231,17 +234,21 @@ std::vector<std::string> const Configuration::getLanguages(bool const &All,
 	// override the configuration settings vector of languages.
 	string const forceLang = _config->Find("Acquire::Languages","");
 	if (forceLang.empty() == false) {
-		if (forceLang == "environment") {
-			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)
-			if (std::find(allCodes.begin(), allCodes.end(), *b) == allCodes.end())
-				allCodes.push_back(*b);
+		if (forceLang == "none") {
+			codes.clear();
+			allCodes.clear();
+			allCodes.push_back("none");
+		} else {
+			if (forceLang == "environment")
+				codes = environment;
+			else
+				codes.push_back(forceLang);
+			allCodes = codes;
+			for (std::vector<string>::const_iterator b = builtin.begin();
+			     b != builtin.end(); ++b)
+				if (std::find(allCodes.begin(), allCodes.end(), *b) == allCodes.end())
+					allCodes.push_back(*b);
+		}
 		if (All == true)
 			return allCodes;
 		else
@@ -474,18 +481,18 @@ const Configuration::getCompressors(bool const Cached) {
 
 	setDefaultConfigurationForCompressors();
 
-	compressors.push_back(Compressor(".", "", "", "", "", 1));
+	compressors.push_back(Compressor(".", "", "", NULL, NULL, 1));
 	if (_config->Exists("Dir::Bin::gzip") == false || FileExists(_config->FindFile("Dir::Bin::gzip")) == true)
 		compressors.push_back(Compressor("gzip",".gz","gzip","-9n","-d",2));
 #ifdef HAVE_ZLIB
 	else
-		compressors.push_back(Compressor("gzip",".gz","false", "", "", 2));
+		compressors.push_back(Compressor("gzip",".gz","false", NULL, NULL, 2));
 #endif
 	if (_config->Exists("Dir::Bin::bzip2") == false || FileExists(_config->FindFile("Dir::Bin::bzip2")) == true)
 		compressors.push_back(Compressor("bzip2",".bz2","bzip2","-9","-d",3));
 #ifdef HAVE_BZ2
 	else
-		compressors.push_back(Compressor("bzip2",".bz2","false", "", "", 3));
+		compressors.push_back(Compressor("bzip2",".bz2","false", NULL, NULL, 3));
 #endif
 	if (_config->Exists("Dir::Bin::xz") == false || FileExists(_config->FindFile("Dir::Bin::xz")) == true)
 		compressors.push_back(Compressor("xz",".xz","xz","-6","-d",4));