// Include Files /*{{{*/ #include <config.h> #include <apt-pkg/acquire-item.h> #include <apt-pkg/acquire.h> #include <apt-pkg/algorithms.h> #include <apt-pkg/aptconfiguration.h> #include <apt-pkg/cachefile.h> #include <apt-pkg/cacheset.h> #include <apt-pkg/cmndline.h> #include <apt-pkg/configuration.h> #include <apt-pkg/depcache.h> #include <apt-pkg/error.h> #include <apt-pkg/fileutl.h> #include <apt-pkg/hashes.h> #include <apt-pkg/indexfile.h> #include <apt-pkg/metaindex.h> #include <apt-pkg/pkgcache.h> #include <apt-pkg/policy.h> #include <apt-pkg/sourcelist.h> #include <apt-pkg/srcrecords.h> #include <apt-pkg/strutl.h> #include <apt-pkg/version.h> #include <apt-private/private-cachefile.h> #include <apt-private/private-cacheset.h> #include <apt-private/private-download.h> #include <apt-private/private-install.h> #include <apt-private/private-source.h> #include <apt-pkg/debindexfile.h> #include <stddef.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <sys/stat.h> #include <unistd.h> #include <iostream> #include <set> #include <sstream> #include <string> #include <vector> #include <apti18n.h> /*}}}*/ // GetReleaseFileForSourceRecord - Return Suite for the given srcrecord /*{{{*/ static pkgCache::RlsFileIterator GetReleaseFileForSourceRecord(CacheFile &CacheFile, pkgSourceList const * const SrcList, pkgSrcRecords::Parser const * const Parse) { // try to find release const pkgIndexFile& CurrentIndexFile = Parse->Index(); for (pkgSourceList::const_iterator S = SrcList->begin(); S != SrcList->end(); ++S) { std::vector<pkgIndexFile *> *Indexes = (*S)->GetIndexFiles(); for (std::vector<pkgIndexFile *>::const_iterator IF = Indexes->begin(); IF != Indexes->end(); ++IF) { if (&CurrentIndexFile == (*IF)) return (*S)->FindInCache(CacheFile, false); } } return pkgCache::RlsFileIterator(CacheFile); } /*}}}*/ // FindSrc - Find a source record /*{{{*/ static pkgSrcRecords::Parser *FindSrc(const char *Name, pkgSrcRecords &SrcRecs,std::string &Src, CacheFile &Cache) { std::string VerTag, UserRequestedVerTag; std::string ArchTag = ""; std::string RelTag = _config->Find("APT::Default-Release"); std::string TmpSrc = Name; // extract release size_t found = TmpSrc.find_last_of("/"); if (found != std::string::npos) { RelTag = TmpSrc.substr(found+1); TmpSrc = TmpSrc.substr(0,found); } // extract the version found = TmpSrc.find_last_of("="); if (found != std::string::npos) { VerTag = UserRequestedVerTag = TmpSrc.substr(found+1); TmpSrc = TmpSrc.substr(0,found); } // extract arch found = TmpSrc.find_last_of(":"); if (found != std::string::npos) { ArchTag = TmpSrc.substr(found+1); TmpSrc = TmpSrc.substr(0,found); } /* Lookup the version of the package we would install if we were to install a version and determine the source package name, then look in the archive for a source package of the same name. */ bool MatchSrcOnly = _config->FindB("APT::Get::Only-Source"); pkgCache::PkgIterator Pkg; if (ArchTag != "") Pkg = Cache.GetPkgCache()->FindPkg(TmpSrc, ArchTag); else Pkg = Cache.GetPkgCache()->FindPkg(TmpSrc); // if we can't find a package but the user qualified with a arch, // error out here if (Pkg.end() && ArchTag != "") { Src = Name; _error->Error(_("Can not find a package for architecture '%s'"), ArchTag.c_str()); return 0; } if (MatchSrcOnly == false && Pkg.end() == false) { if(VerTag != "" || RelTag != "" || ArchTag != "") { bool fuzzy = false; // we have a default release, try to locate the pkg. we do it like // this because GetCandidateVer() will not "downgrade", that means // "apt-get source -t stable apt" won't work on a unstable system for (pkgCache::VerIterator Ver = Pkg.VersionList();; ++Ver) { // try first only exact matches, later fuzzy matches if (Ver.end() == true) { if (fuzzy == true) break; fuzzy = true; Ver = Pkg.VersionList(); // exit right away from the Pkg.VersionList() loop if we // don't have any versions if (Ver.end() == true) break; } // ignore arches that are not for us if (ArchTag != "" && Ver.Arch() != ArchTag) continue; // pick highest version for the arch unless the user wants // something else if (ArchTag != "" && VerTag == "" && RelTag == "") if(Cache.GetPkgCache()->VS->CmpVersion(VerTag, Ver.VerStr()) < 0) VerTag = Ver.VerStr(); // We match against a concrete version (or a part of this version) if (VerTag.empty() == false && (fuzzy == true || Cache.GetPkgCache()->VS->CmpVersion(VerTag, Ver.VerStr()) != 0) && // exact match (fuzzy == false || strncmp(VerTag.c_str(), Ver.VerStr(), VerTag.size()) != 0)) // fuzzy match continue; for (pkgCache::VerFileIterator VF = Ver.FileList(); VF.end() == false; ++VF) { /* If this is the status file, and the current version is not the version in the status file (ie it is not installed, or somesuch) then it is not a candidate for installation, ever. This weeds out bogus entries that may be due to config-file states, or other. */ if ((VF.File()->Flags & pkgCache::Flag::NotSource) == pkgCache::Flag::NotSource && Pkg.CurrentVer() != Ver) continue; // or we match against a release if(VerTag.empty() == false || (VF.File().Archive() != 0 && VF.File().Archive() == RelTag) || (VF.File().Codename() != 0 && VF.File().Codename() == RelTag)) { // the Version we have is possibly fuzzy or includes binUploads, // so we use the Version of the SourcePkg (empty if same as package) Src = Ver.SourcePkgName(); VerTag = Ver.SourceVerStr(); break; } } if (Src.empty() == false) break; } } if (Src.empty() == true && ArchTag.empty() == false) { if (VerTag.empty() == false) _error->Error(_("Can not find a package '%s' with version '%s'"), Pkg.FullName().c_str(), VerTag.c_str()); if (RelTag.empty() == false) _error->Error(_("Can not find a package '%s' with release '%s'"), Pkg.FullName().c_str(), RelTag.c_str()); Src = Name; return 0; } if (Src.empty() == true) { // if we don't have found a fitting package yet so we will // choose a good candidate and proceed with that. // Maybe we will find a source later on with the right VerTag // or RelTag if (Cache.BuildPolicy() == false) return nullptr; pkgPolicy * const Policy = Cache.GetPolicy(); pkgCache::VerIterator const Ver = Policy->GetCandidateVer(Pkg); if (Ver.end() == false) { if (strcmp(Ver.SourcePkgName(),Ver.ParentPkg().Name()) != 0) Src = Ver.SourcePkgName(); if (VerTag.empty() == true && strcmp(Ver.SourceVerStr(),Ver.VerStr()) != 0) VerTag = Ver.SourceVerStr(); } } } if (Src.empty() == true) { Src = TmpSrc; } else { /* if we have a source pkg name, make sure to only search for srcpkg names, otherwise apt gets confused if there is a binary package "pkg1" and a source package "pkg1" with the same name but that comes from different packages */ MatchSrcOnly = true; if (Src != TmpSrc) { ioprintf(c1out, _("Picking '%s' as source package instead of '%s'\n"), Src.c_str(), TmpSrc.c_str()); } } // The best hit pkgSrcRecords::Parser *Last = 0; unsigned long Offset = 0; std::string Version; pkgSourceList const * const SrcList = Cache.GetSourceList(); /* Iterate over all of the hits, which includes the resulting binary packages in the search */ pkgSrcRecords::Parser *Parse; while (true) { SrcRecs.Restart(); while ((Parse = SrcRecs.Find(Src.c_str(), MatchSrcOnly)) != 0) { const std::string Ver = Parse->Version(); // See if we need to look for a specific release tag if (RelTag.empty() == false && UserRequestedVerTag.empty() == true) { pkgCache::RlsFileIterator const Rls = GetReleaseFileForSourceRecord(Cache, SrcList, Parse); if (Rls.end() == false) { if ((Rls->Archive != 0 && RelTag != Rls.Archive()) && (Rls->Codename != 0 && RelTag != Rls.Codename())) continue; } } // Ignore all versions which doesn't fit if (VerTag.empty() == false && Cache.GetPkgCache()->VS->CmpVersion(VerTag, Ver) != 0) // exact match continue; // Newer version or an exact match? Save the hit if (Last == 0 || Cache.GetPkgCache()->VS->CmpVersion(Version,Ver) < 0) { Last = Parse; Offset = Parse->Offset(); Version = Ver; } // was the version check above an exact match? // If so, we don't need to look further if (VerTag.empty() == false && (VerTag == Ver)) break; } if (UserRequestedVerTag == "" && Version != "" && RelTag != "") ioprintf(c1out, "Selected version '%s' (%s) for %s\n", Version.c_str(), RelTag.c_str(), Src.c_str()); if (Last != 0 || VerTag.empty() == true) break; _error->Error(_("Can not find version '%s' of package '%s'"), VerTag.c_str(), TmpSrc.c_str()); return 0; } if (Last == 0 || Last->Jump(Offset) == false) return 0; return Last; } /*}}}*/ // DoSource - Fetch a source archive /*{{{*/ // --------------------------------------------------------------------- /* Fetch source packages */ struct DscFile { std::string Package; std::string Version; std::string Dsc; }; bool DoSource(CommandLine &CmdL) { if (CmdL.FileSize() <= 1) return _error->Error(_("Must specify at least one package to fetch source for")); CacheFile Cache; if (Cache.BuildCaches(false) == false) return false; // Create the text record parsers pkgSourceList * const List = Cache.GetSourceList(); pkgSrcRecords SrcRecs(*List); if (_error->PendingError() == true) return false; std::vector<DscFile> Dsc; Dsc.reserve(CmdL.FileSize()); // insert all downloaded uris into this set to avoid downloading them // twice std::set<std::string> queued; // Diff only mode only fetches .diff files bool const diffOnly = _config->FindB("APT::Get::Diff-Only", false); // Tar only mode only fetches .tar files bool const tarOnly = _config->FindB("APT::Get::Tar-Only", false); // Dsc only mode only fetches .dsc files bool const dscOnly = _config->FindB("APT::Get::Dsc-Only", false); // Load the requestd sources into the fetcher aptAcquireWithTextStatus Fetcher; std::vector<std::string> UntrustedList; for (const char **I = CmdL.FileList + 1; *I != 0; I++) { std::string Src; pkgSrcRecords::Parser *Last = FindSrc(*I,SrcRecs,Src,Cache); if (Last == 0) { return _error->Error(_("Unable to find a source package for %s"),Src.c_str()); } if (Last->Index().IsTrusted() == false) UntrustedList.push_back(Src); std::string srec = Last->AsStr(); std::string::size_type pos = srec.find("\nVcs-"); while (pos != std::string::npos) { pos += strlen("\nVcs-"); std::string vcs = srec.substr(pos,srec.find(":",pos)-pos); if(vcs == "Browser") { pos = srec.find("\nVcs-", pos); continue; } pos += vcs.length()+2; std::string::size_type epos = srec.find("\n", pos); std::string const uri = srec.substr(pos,epos-pos); ioprintf(c1out, _("NOTICE: '%s' packaging is maintained in " "the '%s' version control system at:\n" "%s\n"), Src.c_str(), vcs.c_str(), uri.c_str()); std::string vcscmd; if (vcs == "Bzr") vcscmd = "bzr branch " + uri; else if (vcs == "Git") vcscmd = "git clone " + uri; if (vcscmd.empty() == false) ioprintf(c1out,_("Please use:\n%s\n" "to retrieve the latest (possibly unreleased) " "updates to the package.\n"), vcscmd.c_str()); break; } // Back track std::vector<pkgSrcRecords::File2> Lst; if (Last->Files2(Lst) == false) { return false; } DscFile curDsc; // Load them into the fetcher for (std::vector<pkgSrcRecords::File2>::const_iterator I = Lst.begin(); I != Lst.end(); ++I) { // Try to guess what sort of file it is we are getting. if (I->Type == "dsc") { curDsc.Package = Last->Package(); curDsc.Version = Last->Version(); curDsc.Dsc = flNotDir(I->Path); } // Handle the only options so that multiple can be used at once if (diffOnly == true || tarOnly == true || dscOnly == true) { if ((diffOnly == true && I->Type == "diff") || (tarOnly == true && I->Type == "tar") || (dscOnly == true && I->Type == "dsc")) ; // Fine, we want this file downloaded else continue; } // don't download the same uri twice (should this be moved to // the fetcher interface itself?) if(queued.find(Last->Index().ArchiveURI(I->Path)) != queued.end()) continue; queued.insert(Last->Index().ArchiveURI(I->Path)); // check if we have a file with that md5 sum already localy std::string localFile = flNotDir(I->Path); if (FileExists(localFile) == true) if(I->Hashes.VerifyFile(localFile) == true) { ioprintf(c1out,_("Skipping already downloaded file '%s'\n"), localFile.c_str()); continue; } // see if we have a hash (Acquire::ForceHash is the only way to have none) if (I->Hashes.usable() == false && _config->FindB("APT::Get::AllowUnauthenticated",false) == false) { ioprintf(c1out, "Skipping download of file '%s' as requested hashsum is not available for authentication\n", localFile.c_str()); curDsc.Dsc.clear(); continue; } new pkgAcqFile(&Fetcher,Last->Index().ArchiveURI(I->Path), I->Hashes, I->FileSize, Last->Index().SourceInfo(*Last,*I), Src); } Dsc.push_back(std::move(curDsc)); } // Display statistics unsigned long long FetchBytes = Fetcher.FetchNeeded(); unsigned long long FetchPBytes = Fetcher.PartialPresent(); unsigned long long DebBytes = Fetcher.TotalNeeded(); if (CheckFreeSpaceBeforeDownload(".", (FetchBytes - FetchPBytes)) == false) return false; // Number of bytes if (DebBytes != FetchBytes) //TRANSLATOR: The required space between number and unit is already included // in the replacement strings, so %sB will be correctly translate in e.g. 1,5 MB ioprintf(c1out,_("Need to get %sB/%sB of source archives.\n"), SizeToStr(FetchBytes).c_str(),SizeToStr(DebBytes).c_str()); else //TRANSLATOR: The required space between number and unit is already included // in the replacement string, so %sB will be correctly translate in e.g. 1,5 MB ioprintf(c1out,_("Need to get %sB of source archives.\n"), SizeToStr(DebBytes).c_str()); if (_config->FindB("APT::Get::Simulate",false) == true) { for (auto const &D: Dsc) ioprintf(std::cout, _("Fetch source %s\n"), D.Package.c_str()); return true; } // Just print out the uris an exit if the --print-uris flag was used if (_config->FindB("APT::Get::Print-URIs") == true) { pkgAcquire::UriIterator I = Fetcher.UriBegin(); for (; I != Fetcher.UriEnd(); ++I) std::cout << '\'' << I->URI << "' " << flNotDir(I->Owner->DestFile) << ' ' << std::to_string(I->Owner->FileSize) << ' ' << I->Owner->HashSum() << std::endl; return true; } // check authentication status of the source as well if (UntrustedList.empty() == false && AuthPrompt(UntrustedList, false) == false) return false; // Run it bool Failed = false; if (AcquireRun(Fetcher, 0, &Failed, NULL) == false || Failed == true) return _error->Error(_("Failed to fetch some archives.")); if (diffOnly || tarOnly || dscOnly || _config->FindB("APT::Get::Download-only",false) == true) { c1out << _("Download complete and in download only mode") << std::endl; return true; } bool const fixBroken = _config->FindB("APT::Get::Fix-Broken", false); bool SaidCheckIfDpkgDev = false; for (auto const &D: Dsc) { if (unlikely(D.Dsc.empty() == true)) continue; std::string const Dir = D.Package + '-' + Cache.GetPkgCache()->VS->UpstreamVersion(D.Version.c_str()); // See if the package is already unpacked struct stat Stat; if (fixBroken == false && stat(Dir.c_str(),&Stat) == 0 && S_ISDIR(Stat.st_mode) != 0) { ioprintf(c0out ,_("Skipping unpack of already unpacked source in %s\n"), Dir.c_str()); } else { // Call dpkg-source std::string const sourceopts = _config->Find("DPkg::Source-Options", "--no-check -x"); std::string S; strprintf(S, "%s %s %s", _config->Find("Dir::Bin::dpkg-source","dpkg-source").c_str(), sourceopts.c_str(), D.Dsc.c_str()); if (system(S.c_str()) != 0) { _error->Error(_("Unpack command '%s' failed.\n"), S.c_str()); if (SaidCheckIfDpkgDev == false) { _error->Notice(_("Check if the 'dpkg-dev' package is installed.\n")); SaidCheckIfDpkgDev = true; } continue; } } // Try to compile it with dpkg-buildpackage if (_config->FindB("APT::Get::Compile",false) == true) { std::string buildopts = _config->Find("APT::Get::Host-Architecture"); if (buildopts.empty() == false) buildopts = "-a" + buildopts + " "; // get all active build profiles std::string const profiles = APT::Configuration::getBuildProfilesString(); if (profiles.empty() == false) buildopts.append(" -P").append(profiles).append(" "); buildopts.append(_config->Find("DPkg::Build-Options","-b -uc")); // Call dpkg-buildpackage std::string S; strprintf(S, "cd %s && %s %s", Dir.c_str(), _config->Find("Dir::Bin::dpkg-buildpackage","dpkg-buildpackage").c_str(), buildopts.c_str()); if (system(S.c_str()) != 0) { _error->Error(_("Build command '%s' failed.\n"), S.c_str()); continue; } } } return true; } /*}}}*/ // DoBuildDep - Install/removes packages to satisfy build dependencies /*{{{*/ // --------------------------------------------------------------------- /* This function will look at the build depends list of the given source package and install the necessary packages to make it true, or fail. */ static std::vector<pkgSrcRecords::Parser::BuildDepRec> GetBuildDeps(pkgSrcRecords::Parser * const Last, char const * const Src, bool const StripMultiArch, std::string const &hostArch) { std::vector<pkgSrcRecords::Parser::BuildDepRec> BuildDeps; // FIXME: Can't specify architecture to use for [wildcard] matching, so switch default arch temporary if (hostArch.empty() == false) { std::string nativeArch = _config->Find("APT::Architecture"); _config->Set("APT::Architecture", hostArch); bool Success = Last->BuildDepends(BuildDeps, _config->FindB("APT::Get::Arch-Only", false), StripMultiArch); _config->Set("APT::Architecture", nativeArch); if (Success == false) { _error->Error(_("Unable to get build-dependency information for %s"), Src); return {}; } } else if (Last->BuildDepends(BuildDeps, _config->FindB("APT::Get::Arch-Only", false), StripMultiArch) == false) { _error->Error(_("Unable to get build-dependency information for %s"), Src); return {}; } if (BuildDeps.empty() == true) ioprintf(c1out,_("%s has no build depends.\n"), Src); return BuildDeps; } static void WriteBuildDependencyPackage(std::ostringstream &buildDepsPkgFile, std::string const &PkgName, std::string const &Arch, std::vector<pkgSrcRecords::Parser::BuildDepRec> const &Dependencies) { buildDepsPkgFile << "Package: " << PkgName << "\n" << "Architecture: " << Arch << "\n" << "Version: 1\n"; bool const IndepOnly = _config->FindB("APT::Get::Indep-Only", false); std::string depends, conflicts; for (auto const &dep: Dependencies) { // ArchOnly is handled while parsing the dependencies on input if (IndepOnly && (dep.Type == pkgSrcRecords::Parser::BuildDependArch || dep.Type == pkgSrcRecords::Parser::BuildConflictArch)) continue; std::string * type; if (dep.Type == pkgSrcRecords::Parser::BuildConflict || dep.Type == pkgSrcRecords::Parser::BuildConflictIndep || dep.Type == pkgSrcRecords::Parser::BuildConflictArch) type = &conflicts; else type = &depends; type->append(" ").append(dep.Package); if (dep.Version.empty() == false) type->append(" (").append(pkgCache::CompTypeDeb(dep.Op)).append(" ").append(dep.Version).append(")"); if ((dep.Op & pkgCache::Dep::Or) == pkgCache::Dep::Or) { type->append("\n |"); } else type->append(",\n"); } if (depends.empty() == false) buildDepsPkgFile << "Depends:\n" << depends; if (conflicts.empty() == false) buildDepsPkgFile << "Conflicts:\n" << conflicts; buildDepsPkgFile << "\n"; } bool DoBuildDep(CommandLine &CmdL) { bool StripMultiArch; std::string hostArch = _config->Find("APT::Get::Host-Architecture"); if (hostArch.empty() == false) { std::vector<std::string> archs = APT::Configuration::getArchitectures(); if (std::find(archs.begin(), archs.end(), hostArch) == archs.end()) return _error->Error(_("No architecture information available for %s. See apt.conf(5) APT::Architectures for setup"), hostArch.c_str()); StripMultiArch = false; } else StripMultiArch = true; auto const nativeArch = _config->Find("APT::Architecture"); std::string const pseudoArch = hostArch.empty() ? nativeArch : hostArch; CacheFile Cache; auto VolatileCmdL = GetPseudoPackages(Cache.GetSourceList(), CmdL, AddVolatileSourceFile, pseudoArch); _config->Set("APT::Install-Recommends", false); if (CmdL.FileSize() <= 1 && VolatileCmdL.empty()) return _error->Error(_("Must specify at least one package to check builddeps for")); std::ostringstream buildDepsPkgFile; std::vector<PseudoPkg> pseudoPkgs; // deal with the build essentials first { std::vector<pkgSrcRecords::Parser::BuildDepRec> BuildDeps; for (auto && opt: _config->FindVector("APT::Build-Essential")) { if (opt.empty()) continue; pkgSrcRecords::Parser::BuildDepRec rec; rec.Package = std::move(opt); rec.Type = pkgSrcRecords::Parser::BuildDependIndep; rec.Op = 0; BuildDeps.push_back(rec); } std::string const pseudo = "builddeps:essentials"; WriteBuildDependencyPackage(buildDepsPkgFile, pseudo, nativeArch, BuildDeps); pseudoPkgs.emplace_back(pseudo, nativeArch, ""); } // Read the source list if (Cache.BuildSourceList() == false) return false; pkgSourceList *List = Cache.GetSourceList(); { auto const VolatileSources = List->GetVolatileFiles(); for (auto &&pkg : VolatileCmdL) { if (unlikely(pkg.index == -1)) { _error->Error(_("Unable to find a source package for %s"), pkg.name.c_str()); continue; } if (DirectoryExists(pkg.name)) ioprintf(c1out, _("Note, using directory '%s' to get the build dependencies\n"), pkg.name.c_str()); else ioprintf(c1out, _("Note, using file '%s' to get the build dependencies\n"), pkg.name.c_str()); std::unique_ptr<pkgSrcRecords::Parser> Last(VolatileSources[pkg.index]->CreateSrcParser()); if (Last == nullptr) { _error->Error(_("Unable to find a source package for %s"), pkg.name.c_str()); continue; } auto pseudo = std::string("builddeps:") + pkg.name; WriteBuildDependencyPackage(buildDepsPkgFile, pseudo, pseudoArch, GetBuildDeps(Last.get(), pkg.name.c_str(), StripMultiArch, hostArch)); pkg.name = std::move(pseudo); pseudoPkgs.push_back(std::move(pkg)); } VolatileCmdL.clear(); } bool const WantLock = _config->FindB("APT::Get::Print-URIs", false) == false; if (CmdL.FileList[1] != 0) { if (Cache.BuildCaches(WantLock) == false) return false; // Create the text record parsers pkgSrcRecords SrcRecs(*List); if (_error->PendingError() == true) return false; for (const char **I = CmdL.FileList + 1; *I != 0; ++I) { std::string Src; pkgSrcRecords::Parser * const Last = FindSrc(*I,SrcRecs,Src,Cache); if (Last == nullptr) return _error->Error(_("Unable to find a source package for %s"), *I); std::string const pseudo = std::string("builddeps:") + Src; WriteBuildDependencyPackage(buildDepsPkgFile, pseudo, pseudoArch, GetBuildDeps(Last, Src.c_str(), StripMultiArch, hostArch)); std::string reltag = *I; size_t found = reltag.find_last_of("/"); if (found == std::string::npos) reltag.clear(); else reltag.erase(0, found + 1); pseudoPkgs.emplace_back(pseudo, pseudoArch, std::move(reltag)); } } Cache.AddIndexFile(new debStringPackageIndex(buildDepsPkgFile.str())); if (Cache.Open(WantLock) == false) return false; pkgProblemResolver Fix(Cache.GetDepCache()); APT::PackageVector removeAgain; { pkgDepCache::ActionGroup group(Cache); TryToInstall InstallAction(Cache, &Fix, false); std::list<std::pair<pkgCache::VerIterator, std::string>> candSwitch; for (auto const &pkg: pseudoPkgs) { pkgCache::PkgIterator const Pkg = Cache->FindPkg(pkg.name, pkg.arch); if (Pkg.end()) continue; if (pkg.release.empty()) Cache->SetCandidateVersion(Pkg.VersionList()); else candSwitch.emplace_back(Pkg.VersionList(), pkg.release); } if (candSwitch.empty() == false) InstallAction.propergateReleaseCandiateSwitching(candSwitch, c0out); for (auto const &pkg: pseudoPkgs) { pkgCache::PkgIterator const Pkg = Cache->FindPkg(pkg.name, pkg.arch); if (Pkg.end()) continue; InstallAction(Cache[Pkg].CandidateVerIter(Cache)); removeAgain.push_back(Pkg); } InstallAction.doAutoInstall(); OpTextProgress Progress(*_config); bool const resolver_fail = Fix.Resolve(true, &Progress); if (resolver_fail == false && Cache->BrokenCount() == 0) return false; if (CheckNothingBroken(Cache) == false) return false; } if (DoAutomaticRemove(Cache) == false) return false; { pkgDepCache::ActionGroup group(Cache); if (_config->FindB("APT::Get::Build-Dep-Automatic", false) == false) { for (auto const &pkg: removeAgain) { auto const instVer = Cache[pkg].InstVerIter(Cache); if (unlikely(instVer.end() == true)) continue; for (auto D = instVer.DependsList(); D.end() != true; ++D) { if (D->Type != pkgCache::Dep::Depends || D.IsMultiArchImplicit()) continue; APT::VersionList verlist = APT::VersionList::FromDependency(Cache, D, APT::CacheSetHelper::CANDIDATE); for (auto const &V : verlist) { auto const P = V.ParentPkg(); if (Cache[P].InstallVer != V) continue; Cache->MarkAuto(P, false); } } } } for (auto const &pkg: removeAgain) Cache->MarkDelete(pkg, false, 0, true); } pseudoPkgs.clear(); if (_error->PendingError() || InstallPackages(Cache, false, true) == false) return _error->Error(_("Failed to process build dependencies")); return true; } /*}}}*/