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[apt.git] / apt-pkg / aptconfiguration.cc
diff --git a/apt-pkg/aptconfiguration.cc b/apt-pkg/aptconfiguration.cc
index 74f88640cc54ee2a967e3044df7b9a6a17ccd602..86c9c6af1c490278fe8ebc745b2a3b4e5e234163 100644 (file)
--- a/apt-pkg/aptconfiguration.cc
+++ b/apt-pkg/aptconfiguration.cc
@@ -35,14 +35,16 @@ namespace APT {
 // setDefaultConfigurationForCompressors                               /*{{{*/
 static void setDefaultConfigurationForCompressors() {
        // Set default application paths to check for optional compression types
+       _config->CndSet("Dir::Bin::gzip", "/bin/gzip");
        _config->CndSet("Dir::Bin::bzip2", "/bin/bzip2");
        _config->CndSet("Dir::Bin::xz", "/usr/bin/xz");
-       if (FileExists(_config->FindFile("Dir::Bin::xz")) == true) {
-               _config->Set("Dir::Bin::lzma", _config->FindFile("Dir::Bin::xz"));
+       _config->CndSet("Dir::Bin::lz4", "/usr/bin/lz4");
+       if (FileExists(_config->Find("Dir::Bin::xz")) == true) {
+               _config->Set("Dir::Bin::lzma", _config->Find("Dir::Bin::xz"));
                _config->Set("APT::Compressor::lzma::Binary", "xz");
                if (_config->Exists("APT::Compressor::lzma::CompressArg") == false) {
                        _config->Set("APT::Compressor::lzma::CompressArg::", "--format=lzma");
-                       _config->Set("APT::Compressor::lzma::CompressArg::", "-9");
+                       _config->Set("APT::Compressor::lzma::CompressArg::", "-6");
                }
                if (_config->Exists("APT::Compressor::lzma::UncompressArg") == false) {
                        _config->Set("APT::Compressor::lzma::UncompressArg::", "--format=lzma");
@@ -52,13 +54,19 @@ static void setDefaultConfigurationForCompressors() {
                _config->CndSet("Dir::Bin::lzma", "/usr/bin/lzma");
                if (_config->Exists("APT::Compressor::lzma::CompressArg") == false) {
                        _config->Set("APT::Compressor::lzma::CompressArg::", "--suffix=");
-                       _config->Set("APT::Compressor::lzma::CompressArg::", "-9");
+                       _config->Set("APT::Compressor::lzma::CompressArg::", "-6");
                }
                if (_config->Exists("APT::Compressor::lzma::UncompressArg") == false) {
                        _config->Set("APT::Compressor::lzma::UncompressArg::", "--suffix=");
                        _config->Set("APT::Compressor::lzma::UncompressArg::", "-d");
                }
        }
+       // setup the defaults for the compressiontypes => method mapping
+       _config->CndSet("Acquire::CompressionTypes::xz","xz");
+       _config->CndSet("Acquire::CompressionTypes::bz2","bzip2");
+       _config->CndSet("Acquire::CompressionTypes::lzma","lzma");
+       _config->CndSet("Acquire::CompressionTypes::gz","gzip");
+       _config->CndSet("Acquire::CompressionTypes::lz4","lz4");
 }
                                                                        /*}}}*/
 // getCompressionTypes - Return Vector of usable compressiontypes      /*{{{*/
@@ -74,13 +82,6 @@ const Configuration::getCompressionTypes(bool const &Cached) {
                        types.clear();
        }
 
-       // setup the defaults for the compressiontypes => method mapping
-       _config->CndSet("Acquire::CompressionTypes::xz","xz");
-       _config->CndSet("Acquire::CompressionTypes::bz2","bzip2");
-       _config->CndSet("Acquire::CompressionTypes::lzma","lzma");
-       _config->CndSet("Acquire::CompressionTypes::gz","gzip");
-
-       setDefaultConfigurationForCompressors();
        std::vector<APT::Configuration::Compressor> const compressors = getCompressors();
 
        // load the order setting into our vector
@@ -124,7 +125,7 @@ const Configuration::getCompressionTypes(bool const &Cached) {
        // add the special "uncompressed" type
        if (std::find(types.begin(), types.end(), "uncompressed") == types.end())
        {
-               std::string const uncompr = _config->FindFile("Dir::Bin::uncompressed", "");
+               std::string const uncompr = _config->Find("Dir::Bin::uncompressed", "");
                if (uncompr.empty() == true || FileExists(uncompr) == true)
                        types.push_back("uncompressed");
        }
@@ -197,7 +198,7 @@ std::vector<std::string> const Configuration::getLanguages(bool const &All,
        // FIXME: Remove support for the old APT::Acquire::Translation
        // it was undocumented and so it should be not very widthly used
        string const oldAcquire = _config->Find("APT::Acquire::Translation","");
-       if (oldAcquire.empty() == false && oldAcquire != "environment") {
+       if (oldAcquire.empty() == false && oldAcquire != "environment" && !_config->Exists("Acquire::Languages")) {
                // TRANSLATORS: the two %s are APT configuration options
                _error->Notice("Option '%s' is deprecated. Please use '%s' instead, see 'man 5 apt.conf' for details.",
                                "APT::Acquire::Translation", "Acquire::Languages");
@@ -364,38 +365,47 @@ const Configuration::getCompressors(bool const Cached) {
 
        setDefaultConfigurationForCompressors();
 
-       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));
+       std::vector<std::string> CompressorsDone;
+# define APT_ADD_COMPRESSOR(NAME, EXT, BINARY, ARG, DEARG, COST) \
+       { CompressorsDone.push_back(NAME); compressors.emplace_back(NAME, EXT, BINARY, ARG, DEARG, COST); }
+       APT_ADD_COMPRESSOR(".", "", "", nullptr, nullptr, 0)
+       if (_config->Exists("Dir::Bin::lz4") == false || FileExists(_config->Find("Dir::Bin::lz4")) == true)
+               APT_ADD_COMPRESSOR("lz4",".lz4","lz4","-1","-d",50)
+#ifdef HAVE_LZ4
+       else
+               APT_ADD_COMPRESSOR("lz4",".lz4","false", nullptr, nullptr, 50)
+#endif
+       if (_config->Exists("Dir::Bin::gzip") == false || FileExists(_config->Find("Dir::Bin::gzip")) == true)
+               APT_ADD_COMPRESSOR("gzip",".gz","gzip","-6n","-d",100)
 #ifdef HAVE_ZLIB
        else
-               compressors.push_back(Compressor("gzip",".gz","false", NULL, NULL, 2));
+               APT_ADD_COMPRESSOR("gzip",".gz","false", nullptr, nullptr, 100)
 #endif
-       if (_config->Exists("Dir::Bin::xz") == false || FileExists(_config->FindFile("Dir::Bin::xz")) == true)
-               compressors.push_back(Compressor("xz",".xz","xz","-6","-d",3));
+       if (_config->Exists("Dir::Bin::xz") == false || FileExists(_config->Find("Dir::Bin::xz")) == true)
+               APT_ADD_COMPRESSOR("xz",".xz","xz","-6","-d",200)
 #ifdef HAVE_LZMA
        else
-               compressors.push_back(Compressor("xz",".xz","false", NULL, NULL, 3));
+               APT_ADD_COMPRESSOR("xz",".xz","false", nullptr, nullptr, 200)
 #endif
-       if (_config->Exists("Dir::Bin::bzip2") == false || FileExists(_config->FindFile("Dir::Bin::bzip2")) == true)
-               compressors.push_back(Compressor("bzip2",".bz2","bzip2","-9","-d",4));
+       if (_config->Exists("Dir::Bin::bzip2") == false || FileExists(_config->Find("Dir::Bin::bzip2")) == true)
+               APT_ADD_COMPRESSOR("bzip2",".bz2","bzip2","-6","-d",300)
 #ifdef HAVE_BZ2
        else
-               compressors.push_back(Compressor("bzip2",".bz2","false", NULL, NULL, 4));
+               APT_ADD_COMPRESSOR("bzip2",".bz2","false", nullptr, nullptr, 300)
 #endif
-       if (_config->Exists("Dir::Bin::lzma") == false || FileExists(_config->FindFile("Dir::Bin::lzma")) == true)
-               compressors.push_back(Compressor("lzma",".lzma","lzma","-9","-d",5));
+       if (_config->Exists("Dir::Bin::lzma") == false || FileExists(_config->Find("Dir::Bin::lzma")) == true)
+               APT_ADD_COMPRESSOR("lzma",".lzma","lzma","-6","-d",400)
 #ifdef HAVE_LZMA
        else
-               compressors.push_back(Compressor("lzma",".lzma","false", NULL, NULL, 5));
+               APT_ADD_COMPRESSOR("lzma",".lzma","false", nullptr, nullptr, 400)
 #endif
 
-       std::vector<std::string> const comp = _config->FindVector("APT::Compressor");
-       for (std::vector<std::string>::const_iterator c = comp.begin();
-            c != comp.end(); ++c) {
-               if (c->empty() || *c == "." || *c == "gzip" || *c == "bzip2" || *c == "lzma" || *c == "xz")
+       std::vector<std::string> const comp = _config->FindVector("APT::Compressor", "", true);
+       for (auto const &c: comp)
+       {
+               if (c.empty() || std::find(CompressorsDone.begin(), CompressorsDone.end(), c) != CompressorsDone.end())
                        continue;
-               compressors.push_back(Compressor(c->c_str(), std::string(".").append(*c).c_str(), c->c_str(), "-9", "-d", 100));
+               compressors.push_back(Compressor(c.c_str(), std::string(".").append(c).c_str(), c.c_str(), nullptr, nullptr, 1000));
        }
 
        return compressors;
APT (for Cydia)