X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/b0e1a43f95a3a6817dff6aed303a9823827ea0cf..45d02095cbd425c741b69810f91bc2282bf9230b:/apt-pkg/aptconfiguration.cc diff --git a/apt-pkg/aptconfiguration.cc b/apt-pkg/aptconfiguration.cc index b23e12acb..653775688 100644 --- a/apt-pkg/aptconfiguration.cc +++ b/apt-pkg/aptconfiguration.cc @@ -8,6 +8,8 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ +#include + #include #include #include @@ -17,6 +19,8 @@ #include #include +#include +#include #include #include @@ -43,6 +47,7 @@ const Configuration::getCompressionTypes(bool const &Cached) { _config->CndSet("Acquire::CompressionTypes::gz","gzip"); setDefaultConfigurationForCompressors(); + std::vector const compressors = getCompressors(); // accept non-list order as override setting for config settings on commandline std::string const overrideOrder = _config->Find("Acquire::CompressionTypes::Order",""); @@ -52,19 +57,21 @@ const Configuration::getCompressionTypes(bool const &Cached) { // load the order setting into our vector std::vector const order = _config->FindVector("Acquire::CompressionTypes::Order"); for (std::vector::const_iterator o = order.begin(); - o != order.end(); o++) { + o != order.end(); ++o) { if ((*o).empty() == true) continue; // ignore types we have no method ready to use - if (_config->Exists(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 - string const appsetting = 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::const_iterator c = compressors.begin(); + for (; c != compressors.end(); ++c) + if (c->Name == app) + break; + if (c == compressors.end()) + continue; types.push_back(*o); } @@ -80,19 +87,19 @@ 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 - string const appsetting = 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::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); } // add the special "uncompressed" type if (std::find(types.begin(), types.end(), "uncompressed") == types.end()) { - string const uncompr = _config->FindFile("Dir::Bin::uncompressed", ""); + std::string const uncompr = _config->FindFile("Dir::Bin::uncompressed", ""); if (uncompr.empty() == true || FileExists(uncompr) == true) types.push_back("uncompressed"); } @@ -137,9 +144,9 @@ std::vector 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("_"); + size_t const foundUnderscore = name.rfind("_", foundDash); if (foundDash == string::npos || foundUnderscore == string::npos || foundDash <= foundUnderscore || name.substr(foundUnderscore+1, foundDash-(foundUnderscore+1)) != "Translation") @@ -150,7 +157,7 @@ std::vector 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()) @@ -223,19 +230,25 @@ std::vector const Configuration::getLanguages(bool const &All, environment.push_back("en"); } - // Support settings like Acquire::Translation=none on the command line to + // Support settings like Acquire::Languages=none on the command line to // 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); - allCodes = codes; - for (std::vector::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::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 @@ -273,7 +286,7 @@ std::vector const Configuration::getLanguages(bool const &All, // then needed and ensure the codes are not listed twice. bool noneSeen = false; for (std::vector::const_iterator l = lang.begin(); - l != lang.end(); l++) { + l != lang.end(); ++l) { if (*l == "environment") { for (std::vector::const_iterator e = environment.begin(); e != environment.end(); ++e) { @@ -306,6 +319,17 @@ std::vector const Configuration::getLanguages(bool const &All, return codes; } /*}}}*/ +// checkLanguage - are we interested in the given Language? /*{{{*/ +bool const Configuration::checkLanguage(std::string Lang, bool const All) { + // the empty Language is always interesting as it is the original + if (Lang.empty() == true) + return true; + // filenames are encoded, so undo this + Lang = SubstVar(Lang, "%5f", "_"); + std::vector const langs = getLanguages(All, true); + return (std::find(langs.begin(), langs.end(), Lang) != langs.end()); +} + /*}}}*/ // getArchitectures - Return Vector of prefered Architectures /*{{{*/ std::vector const Configuration::getArchitectures(bool const &Cached) { using std::string; @@ -314,14 +338,94 @@ std::vector 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); + + // Generate the base argument list for dpkg + std::vector Args; + string Tmp = _config->Find("Dir::Bin::dpkg","dpkg"); + { + string const dpkgChrootDir = _config->FindDir("DPkg::Chroot-Directory", "/"); + size_t dpkgChrootLen = dpkgChrootDir.length(); + if (dpkgChrootDir != "/" && Tmp.find(dpkgChrootDir) == 0) { + if (dpkgChrootDir[dpkgChrootLen - 1] == '/') + --dpkgChrootLen; + Tmp = Tmp.substr(dpkgChrootLen); + } + } + Args.push_back(Tmp.c_str()); + + // Stick in any custom dpkg options + ::Configuration::Item const *Opts = _config->Tree("DPkg::Options"); + if (Opts != 0) { + Opts = Opts->Child; + for (; Opts != 0; Opts = Opts->Next) + { + if (Opts->Value.empty() == true) + continue; + Args.push_back(Opts->Value.c_str()); + } + } + + Args.push_back("--print-foreign-architectures"); + Args.push_back(NULL); + + int external[2] = {-1, -1}; + if (pipe(external) != 0) + { + _error->WarningE("getArchitecture", "Can't create IPC pipe for dpkg --print-foreign-architectures"); + return archs; + } + + pid_t dpkgMultiArch = ExecFork(); + if (dpkgMultiArch == 0) { + close(external[0]); + std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory"); + if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0) + _error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --print-foreign-architectures", chrootDir.c_str()); + int const nullfd = open("/dev/null", O_RDONLY); + dup2(nullfd, STDIN_FILENO); + dup2(external[1], STDOUT_FILENO); + dup2(nullfd, STDERR_FILENO); + execvp(Args[0], (char**) &Args[0]); + _error->WarningE("getArchitecture", "Can't detect foreign architectures supported by dpkg!"); + _exit(100); + } + close(external[1]); + + FILE *dpkg = fdopen(external[0], "r"); + char buf[1024]; + if(dpkg != NULL) { + while (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); + string a(arch, (archend - arch)); + if (std::find(archs.begin(), archs.end(), a) == archs.end()) + archs.push_back(a); + } + arch = strtok(NULL, " "); + } + } + fclose(dpkg); + } + ExecWait(dpkgMultiArch, "dpkg --print-foreign-architectures", true); + return archs; + } + if (archs.empty() == true || std::find(archs.begin(), archs.end(), arch) == archs.end()) - archs.push_back(arch); + archs.insert(archs.begin(), arch); // erase duplicates and empty strings for (std::vector::reverse_iterator a = archs.rbegin(); @@ -346,9 +450,30 @@ bool const Configuration::checkArchitecture(std::string const &Arch) { // 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"); + _config->CndSet("Dir::Bin::xz", "/usr/bin/xz"); + if (FileExists(_config->FindFile("Dir::Bin::xz")) == true) { + _config->Clear("Dir::Bin::lzma"); + _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"); + } + if (_config->Exists("APT::Compressor::lzma::UncompressArg") == false) { + _config->Set("APT::Compressor::lzma::UncompressArg::", "--format=lzma"); + _config->Set("APT::Compressor::lzma::UncompressArg::", "-d"); + } + } else { + _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"); + } + if (_config->Exists("APT::Compressor::lzma::UncompressArg") == false) { + _config->Set("APT::Compressor::lzma::UncompressArg::", "--suffix="); + _config->Set("APT::Compressor::lzma::UncompressArg::", "-d"); + } + } } /*}}}*/ // getCompressors - Return Vector of usbale compressors /*{{{*/ @@ -367,15 +492,23 @@ 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", 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)); - if (_config->Exists("Dir::Bin::lzma") == false || FileExists(_config->FindFile("Dir::Bin::lzma")) == true) - compressors.push_back(Compressor("lzma",".lzma","lzma","-9","-d",4)); +#ifdef HAVE_BZ2 + else + 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",5)); + compressors.push_back(Compressor("xz",".xz","xz","-6","-d",4)); + if (_config->Exists("Dir::Bin::lzma") == false || FileExists(_config->FindFile("Dir::Bin::lzma")) == true) + compressors.push_back(Compressor("lzma",".lzma","lzma","-9","-d",5)); std::vector const comp = _config->FindVector("APT::Compressor"); for (std::vector::const_iterator c = comp.begin(); @@ -408,7 +541,7 @@ 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("::"); + std::string const config = std::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);