X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/a0e07f3ec885c12c733c12805391646c202f3f31..3b4d8136e78b9f2a70431ece4c850861d90e8bb1:/apt-pkg/cdrom.cc diff --git a/apt-pkg/cdrom.cc b/apt-pkg/cdrom.cc index 392cd890e..50c204371 100644 --- a/apt-pkg/cdrom.cc +++ b/apt-pkg/cdrom.cc @@ -8,6 +8,8 @@ #include #include #include +#include +#include #include #include @@ -56,66 +58,91 @@ bool pkgCdrom::FindPackages(string CD, return _error->Errno("chdir","Unable to change to %s",CD.c_str()); // Look for a .disk subdirectory - struct stat Buf; - if (stat(".disk",&Buf) == 0) + if (DirectoryExists(".disk") == true) { if (InfoDir.empty() == true) InfoDir = CD + ".disk/"; } // Don't look into directories that have been marked to ingore. - if (stat(".aptignr",&Buf) == 0) + if (RealFileExists(".aptignr") == true) return true; - /* Check _first_ for a signature file as apt-cdrom assumes that all files under a Packages/Source file are in control of that file and stops the scanning */ - if (stat("Release.gpg",&Buf) == 0) + if (RealFileExists("Release.gpg") == true || RealFileExists("InRelease") == true) { SigList.push_back(CD); } + /* Aha! We found some package files. We assume that everything under this dir is controlled by those package files so we don't look down anymore */ - if (stat("Packages",&Buf) == 0 || stat("Packages.gz",&Buf) == 0) + std::vector const compressor = APT::Configuration::getCompressors(); + for (std::vector::const_iterator c = compressor.begin(); + c != compressor.end(); ++c) { + if (RealFileExists(std::string("Packages").append(c->Extension).c_str()) == false) + continue; + + if (_config->FindB("Debug::aptcdrom",false) == true) + std::clog << "Found Packages in " << CD << std::endl; List.push_back(CD); - + // Continue down if thorough is given if (_config->FindB("APT::CDROM::Thorough",false) == false) return true; + break; } - if (stat("Sources.gz",&Buf) == 0 || stat("Sources",&Buf) == 0) + for (std::vector::const_iterator c = compressor.begin(); + c != compressor.end(); ++c) { + if (RealFileExists(std::string("Sources").append(c->Extension).c_str()) == false) + continue; + + if (_config->FindB("Debug::aptcdrom",false) == true) + std::clog << "Found Sources in " << CD << std::endl; SList.push_back(CD); - + // Continue down if thorough is given if (_config->FindB("APT::CDROM::Thorough",false) == false) return true; + break; } - // see if we find translatin indexes - if (stat("i18n",&Buf) == 0) + // see if we find translation indices + if (DirectoryExists("i18n") == true) { D = opendir("i18n"); for (struct dirent *Dir = readdir(D); Dir != 0; Dir = readdir(D)) { - if(strstr(Dir->d_name,"Translation") != NULL) + if(strncmp(Dir->d_name, "Translation-", strlen("Translation-")) != 0) + continue; + string file = Dir->d_name; + for (std::vector::const_iterator c = compressor.begin(); + c != compressor.end(); ++c) { - if (_config->FindB("Debug::aptcdrom",false) == true) - std::clog << "found translations: " << Dir->d_name << "\n"; - string file = Dir->d_name; - if(file.substr(file.size()-3,file.size()) == ".gz") - file = file.substr(0,file.size()-3); - TransList.push_back(CD+"i18n/"+ file); + string fileext = flExtension(file); + if (file == fileext) + fileext.clear(); + else if (fileext.empty() == false) + fileext = "." + fileext; + + if (c->Extension == fileext) + { + if (_config->FindB("Debug::aptcdrom",false) == true) + std::clog << "Found translation " << Dir->d_name << " in " << CD << "i18n/" << std::endl; + file.erase(file.size() - fileext.size()); + TransList.push_back(CD + "i18n/" + file); + break; + } } } closedir(D); } - D = opendir("."); if (D == 0) return _error->Errno("opendir","Unable to read %s",CD.c_str()); @@ -250,30 +277,43 @@ bool pkgCdrom::DropBinaryArch(vector &List) /* Here we go and stat every file that we found and strip dup inodes. */ bool pkgCdrom::DropRepeats(vector &List,const char *Name) { + bool couldFindAllFiles = true; // Get a list of all the inodes ino_t *Inodes = new ino_t[List.size()]; - for (unsigned int I = 0; I != List.size(); I++) + for (unsigned int I = 0; I != List.size(); ++I) { struct stat Buf; - if (stat((List[I] + Name).c_str(),&Buf) != 0 && - stat((List[I] + Name + ".gz").c_str(),&Buf) != 0) - _error->Errno("stat","Failed to stat %s%s",List[I].c_str(), - Name); - Inodes[I] = Buf.st_ino; - } - - if (_error->PendingError() == true) { - delete[] Inodes; - return false; + bool found = false; + + std::vector const compressor = APT::Configuration::getCompressors(); + for (std::vector::const_iterator c = compressor.begin(); + c != compressor.end(); ++c) + { + std::string filename = std::string(List[I]).append(Name).append(c->Extension); + if (stat(filename.c_str(), &Buf) != 0) + continue; + Inodes[I] = Buf.st_ino; + found = true; + break; + } + + if (found == false) + { + _error->Errno("stat","Failed to stat %s%s",List[I].c_str(), Name); + couldFindAllFiles = false; + Inodes[I] = 0; + } } - + // Look for dups for (unsigned int I = 0; I != List.size(); I++) { + if (Inodes[I] == 0) + continue; for (unsigned int J = I+1; J < List.size(); J++) { // No match - if (Inodes[J] != Inodes[I]) + if (Inodes[J] == 0 || Inodes[J] != Inodes[I]) continue; // We score the two paths.. and erase one @@ -299,7 +339,7 @@ bool pkgCdrom::DropRepeats(vector &List,const char *Name) List.erase(List.begin()+I); } - return true; + return couldFindAllFiles; } /*}}}*/ // ReduceSourceList - Takes the path list and reduces it /*{{{*/ @@ -390,7 +430,8 @@ bool pkgCdrom::WriteDatabase(Configuration &Cnf) Out.close(); - link(DFile.c_str(),string(DFile + '~').c_str()); + if (FileExists(DFile) == true && link(DFile.c_str(),string(DFile + '~').c_str()) != 0) + return _error->Errno("link", "Failed to link %s to %s~", DFile.c_str(), DFile.c_str()); if (rename(NewFile.c_str(),DFile.c_str()) != 0) return _error->Errno("rename","Failed to rename %s.new to %s", DFile.c_str(),DFile.c_str()); @@ -657,7 +698,8 @@ bool pkgCdrom::Add(pkgCdromStatus *log) /*{{{*/ return false; } - chdir(StartDir.c_str()); + if (chdir(StartDir.c_str()) != 0) + return _error->Errno("chdir","Unable to change to %s", StartDir.c_str()); if (_config->FindB("Debug::aptcdrom",false) == true) { @@ -678,7 +720,13 @@ bool pkgCdrom::Add(pkgCdromStatus *log) /*{{{*/ DropBinaryArch(List); DropRepeats(List,"Packages"); DropRepeats(SourceList,"Sources"); + // FIXME: We ignore stat() errors here as we usually have only one of those in use + // This has little potencial to drop 'valid' stat() errors as we know that one of these + // files need to exist, but it would be better if we would check it here + _error->PushToStack(); DropRepeats(SigList,"Release.gpg"); + DropRepeats(SigList,"InRelease"); + _error->RevertToStack(); DropRepeats(TransList,""); if(log != NULL) { msg.str("");