diff options
Diffstat (limited to 'apt-pkg/aptconfiguration.cc')
| -rw-r--r-- | apt-pkg/aptconfiguration.cc | 120 |
1 files changed, 116 insertions, 4 deletions
diff --git a/apt-pkg/aptconfiguration.cc b/apt-pkg/aptconfiguration.cc index 3cf4d2429..ca602d4bf 100644 --- a/apt-pkg/aptconfiguration.cc +++ b/apt-pkg/aptconfiguration.cc @@ -17,6 +17,7 @@ #include <sys/types.h> #include <dirent.h> +#include <stdio.h> #include <algorithm> #include <string> @@ -38,12 +39,11 @@ const Configuration::getCompressionTypes(bool const &Cached) { // setup the defaults for the compressiontypes => method mapping _config->CndSet("Acquire::CompressionTypes::bz2","bzip2"); + _config->CndSet("Acquire::CompressionTypes::xz","xz"); _config->CndSet("Acquire::CompressionTypes::lzma","lzma"); _config->CndSet("Acquire::CompressionTypes::gz","gzip"); - // Set default application paths to check for optional compression types - _config->CndSet("Dir::Bin::lzma", "/usr/bin/lzma"); - _config->CndSet("Dir::Bin::bzip2", "/bin/bzip2"); + setDefaultConfigurationForCompressors(); // accept non-list order as override setting for config settings on commandline std::string const overrideOrder = _config->Find("Acquire::CompressionTypes::Order",""); @@ -315,11 +315,41 @@ std::vector<std::string> const Configuration::getArchitectures(bool const &Cache if (likely(Cached == true) && archs.empty() == false) return archs; - archs = _config->FindVector("APT::Architectures"); string const arch = _config->Find("APT::Architecture"); + archs = _config->FindVector("APT::Architectures"); + if (unlikely(arch.empty() == true)) return archs; + // FIXME: It is a bit unclean to have debian specific code here… + if (archs.empty() == true) { + archs.push_back(arch); + string dpkgcall = _config->Find("Dir::Bin::dpkg", "dpkg"); + std::vector<string> const dpkgoptions = _config->FindVector("DPkg::options"); + for (std::vector<string>::const_iterator o = dpkgoptions.begin(); + o != dpkgoptions.end(); ++o) + dpkgcall.append(" ").append(*o); + dpkgcall.append(" --print-foreign-architectures 2> /dev/null"); + FILE *dpkg = popen(dpkgcall.c_str(), "r"); + char buf[1024]; + if(dpkg != NULL) { + if (fgets(buf, sizeof(buf), dpkg) != NULL) { + char* arch = strtok(buf, " "); + while (arch != NULL) { + for (; isspace(*arch) != 0; ++arch); + if (arch[0] != '\0') { + char const* archend = arch; + for (; isspace(*archend) == 0 && *archend != '\0'; ++archend); + archs.push_back(string(arch, (archend - arch))); + } + arch = strtok(NULL, " "); + } + } + pclose(dpkg); + } + return archs; + } + if (archs.empty() == true || std::find(archs.begin(), archs.end(), arch) == archs.end()) archs.push_back(arch); @@ -344,4 +374,86 @@ bool const Configuration::checkArchitecture(std::string const &Arch) { return (std::find(archs.begin(), archs.end(), Arch) != archs.end()); } /*}}}*/ +// setDefaultConfigurationForCompressors /*{{{*/ +void Configuration::setDefaultConfigurationForCompressors() { + // Set default application paths to check for optional compression types + _config->CndSet("Dir::Bin::lzma", "/usr/bin/lzma"); + _config->CndSet("Dir::Bin::xz", "/usr/bin/xz"); + _config->CndSet("Dir::Bin::bzip2", "/bin/bzip2"); +} + /*}}}*/ +// getCompressors - Return Vector of usbale compressors /*{{{*/ +// --------------------------------------------------------------------- +/* return a vector of compressors used by apt-ftparchive in the + multicompress functionality or to detect data.tar files */ +std::vector<APT::Configuration::Compressor> +const Configuration::getCompressors(bool const Cached) { + static std::vector<APT::Configuration::Compressor> compressors; + if (compressors.empty() == false) { + if (Cached == true) + return compressors; + else + compressors.clear(); + } + + setDefaultConfigurationForCompressors(); + + compressors.push_back(Compressor(".", "", "", "", "", 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)); + if (_config->Exists("Dir::Bin::bzip2") == false || FileExists(_config->FindFile("Dir::Bin::bzip2")) == true) + compressors.push_back(Compressor("bzip2",".bz2","bzip2","-9","-d",3)); + if (_config->Exists("Dir::Bin::lzma") == false || FileExists(_config->FindFile("Dir::Bin::lzma")) == true) + compressors.push_back(Compressor("lzma",".lzma","lzma","-9","-d",4)); + if (_config->Exists("Dir::Bin::xz") == false || FileExists(_config->FindFile("Dir::Bin::xz")) == true) + compressors.push_back(Compressor("xz",".xz","xz","-6","-d",5)); + + 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 == "." || *c == "gzip" || *c == "bzip2" || *c == "lzma" || *c == "xz") + continue; + compressors.push_back(Compressor(c->c_str(), std::string(".").append(*c).c_str(), c->c_str(), "-9", "-d", 100)); + } + + return compressors; +} + /*}}}*/ +// getCompressorExtensions - supported data.tar extensions /*{{{*/ +// --------------------------------------------------------------------- +/* */ +std::vector<std::string> const Configuration::getCompressorExtensions() { + std::vector<APT::Configuration::Compressor> const compressors = getCompressors(); + std::vector<std::string> ext; + for (std::vector<APT::Configuration::Compressor>::const_iterator c = compressors.begin(); + c != compressors.end(); ++c) + if (c->Extension.empty() == false && c->Extension != ".") + ext.push_back(c->Extension); + return ext; +} + /*}}}*/ +// Compressor constructor /*{{{*/ +// --------------------------------------------------------------------- +/* */ +Configuration::Compressor::Compressor(char const *name, char const *extension, + char const *binary, + char const *compressArg, char const *uncompressArg, + unsigned short const cost) { + std::string const config = string("APT:Compressor::").append(name).append("::"); + Name = _config->Find(std::string(config).append("Name"), name); + Extension = _config->Find(std::string(config).append("Extension"), extension); + Binary = _config->Find(std::string(config).append("Binary"), binary); + Cost = _config->FindI(std::string(config).append("Cost"), cost); + std::string const compConf = std::string(config).append("CompressArg"); + if (_config->Exists(compConf) == true) + CompressArgs = _config->FindVector(compConf); + else if (compressArg != NULL) + CompressArgs.push_back(compressArg); + std::string const uncompConf = std::string(config).append("UncompressArg"); + if (_config->Exists(uncompConf) == true) + UncompressArgs = _config->FindVector(uncompConf); + else if (uncompressArg != NULL) + UncompressArgs.push_back(uncompressArg); +} + /*}}}*/ } |