diff options
Diffstat (limited to '')
| -rw-r--r-- | apt-private/private-install.cc | 1147 |
1 files changed, 1147 insertions, 0 deletions
diff --git a/apt-private/private-install.cc b/apt-private/private-install.cc new file mode 100644 index 0000000..08d58a5 --- /dev/null +++ b/apt-private/private-install.cc @@ -0,0 +1,1147 @@ +// Include Files /*{{{*/ +#include <config.h> + +#include <apt-pkg/acquire-item.h> +#include <apt-pkg/acquire.h> +#include <apt-pkg/algorithms.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/install-progress.h> +#include <apt-pkg/macros.h> +#include <apt-pkg/packagemanager.h> +#include <apt-pkg/pkgcache.h> +#include <apt-pkg/pkgrecords.h> +#include <apt-pkg/pkgsystem.h> +#include <apt-pkg/prettyprinters.h> +#include <apt-pkg/strutl.h> +#include <apt-pkg/upgrade.h> + +#include <algorithm> +#include <iostream> +#include <map> +#include <set> +#include <vector> +#include <stdlib.h> +#include <string.h> + +#include <apt-private/acqprogress.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-json-hooks.h> +#include <apt-private/private-output.h> + +#include <apti18n.h> + /*}}}*/ +class pkgSourceList; + +bool CheckNothingBroken(CacheFile &Cache) /*{{{*/ +{ + // Now we check the state of the packages, + if (Cache->BrokenCount() == 0) + return true; + + // FIXME: if an external solver showed an error, we shouldn't show one here + if (_error->PendingError() && _config->Find("APT::Solver") == "dump") + return false; + + c1out << + _("Some packages could not be installed. This may mean that you have\n" + "requested an impossible situation or if you are using the unstable\n" + "distribution that some required packages have not yet been created\n" + "or been moved out of Incoming.") << std::endl; + /* + if (Packages == 1) + { + c1out << std::endl; + c1out << + _("Since you only requested a single operation it is extremely likely that\n" + "the package is simply not installable and a bug report against\n" + "that package should be filed.") << std::endl; + } + */ + + c1out << _("The following information may help to resolve the situation:") << std::endl; + c1out << std::endl; + ShowBroken(c1out,Cache,false); + if (_error->PendingError() == true) + return false; + else + return _error->Error(_("Broken packages")); +} + /*}}}*/ +// InstallPackages - Actually download and install the packages /*{{{*/ +// --------------------------------------------------------------------- +/* This displays the informative messages describing what is going to + happen and then calls the download routines */ +class SimulateWithActionGroupInhibited : public pkgSimulate +{ +public: + SimulateWithActionGroupInhibited(CacheFile &Cache) : pkgSimulate(Cache) { Sim.IncreaseActionGroupLevel(); } + SimulateWithActionGroupInhibited(SimulateWithActionGroupInhibited const &Cache) = delete; + SimulateWithActionGroupInhibited(SimulateWithActionGroupInhibited &&Cache) = delete; + SimulateWithActionGroupInhibited& operator=(SimulateWithActionGroupInhibited const &Cache) = delete; + SimulateWithActionGroupInhibited& operator=(SimulateWithActionGroupInhibited &&Cache) = delete; + ~SimulateWithActionGroupInhibited() = default; +}; +static void RemoveDownloadNeedingItemsFromFetcher(pkgAcquire &Fetcher, bool &Transient) +{ + for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); I < Fetcher.ItemsEnd();) + { + if ((*I)->Local == true) + { + ++I; + continue; + } + + // Close the item and check if it was found in cache + (*I)->Finished(); + if ((*I)->Complete == false) + Transient = true; + + // Clear it out of the fetch list + delete *I; + I = Fetcher.ItemsBegin(); + } +} +bool InstallPackages(CacheFile &Cache, APT::PackageVector &HeldBackPackages, bool ShwKept, bool Ask, bool Safety, std::string const &Hook, CommandLine const &CmdL) +{ + if (not RunScripts("APT::Install::Pre-Invoke")) + return false; + if (_config->FindB("APT::Get::Purge", false) == true) + for (pkgCache::PkgIterator I = Cache->PkgBegin(); I.end() == false; ++I) + if (Cache[I].Delete() == true && Cache[I].Purge() == false) + Cache->MarkDelete(I,true); + + // Create the download object + auto const DownloadAllowed = _config->FindB("APT::Get::Download",true); + aptAcquireWithTextStatus Fetcher; + if (_config->FindB("APT::Get::Print-URIs", false) == true) + { + // force a hashsum for compatibility reasons + _config->CndSet("Acquire::ForceHash", "md5sum"); + } + else if (_config->FindB("APT::Get::Simulate") == true) + ; + else if (Fetcher.GetLock(_config->FindDir("Dir::Cache::Archives")) == false) + return false; + + // Read the source list + if (Cache.BuildSourceList() == false) + return false; + pkgSourceList * const List = Cache.GetSourceList(); + + // Create the text record parser + pkgRecords Recs(Cache); + if (_error->PendingError() == true) + return false; + + // Create the package manager and prepare to download + std::unique_ptr<pkgPackageManager> PM(_system->CreatePM(Cache)); + if (PM->GetArchives(&Fetcher,List,&Recs) == false || + _error->PendingError() == true) + return false; + + if (DownloadAllowed == false) + { + bool Missing = false; + RemoveDownloadNeedingItemsFromFetcher(Fetcher, Missing); + if (Missing) + { + if (_config->FindB("APT::Get::Fix-Missing",false)) + { + PM->FixMissing(); + SortedPackageUniverse Universe(Cache); + APT::PackageVector NewHeldBackPackages; + for (auto const &Pkg: Universe) + { + if (Pkg->CurrentVer == 0 || Cache[Pkg].Delete()) + continue; + if (Cache[Pkg].Upgradable() && not Cache[Pkg].Upgrade()) + NewHeldBackPackages.push_back(Pkg); + else if (std::find(HeldBackPackages.begin(), HeldBackPackages.end(), Pkg) != HeldBackPackages.end()) + NewHeldBackPackages.push_back(Pkg); + } + std::swap(NewHeldBackPackages, HeldBackPackages); + } + else + return _error->Error(_("Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?")); + } + Fetcher.Shutdown(); + if (_error->PendingError() == true) + return false; + } + + // Show all the various warning indicators + ShowDel(c1out,Cache); + ShowNew(c1out,Cache); + if (ShwKept == true) + ShowKept(c1out,Cache, HeldBackPackages); + bool const Hold = not ShowHold(c1out,Cache); + if (_config->FindB("APT::Get::Show-Upgraded",true) == true) + ShowUpgraded(c1out,Cache); + bool const Downgrade = !ShowDowngraded(c1out,Cache); + + bool Essential = false; + if (_config->FindB("APT::Get::Download-Only",false) == false) + Essential = !ShowEssential(c1out,Cache); + + if (not Hook.empty()) + RunJsonHook(Hook, "org.debian.apt.hooks.install.package-list", CmdL.FileList, Cache); + + Stats(c1out,Cache, HeldBackPackages); + if (not Hook.empty()) + RunJsonHook(Hook, "org.debian.apt.hooks.install.statistics", CmdL.FileList, Cache); + + // Sanity check + if (Cache->BrokenCount() != 0) + { + ShowBroken(c1out,Cache,false); + return _error->Error(_("Internal error, InstallPackages was called with broken packages!")); + } + + if (Cache->DelCount() == 0 && Cache->InstCount() == 0 && + Cache->BadCount() == 0) + return RunScripts("APT::Install::Post-Invoke-Success"); + + // No remove flag + if (Cache->DelCount() != 0 && _config->FindB("APT::Get::Remove",true) == false) + return _error->Error(_("Packages need to be removed but remove is disabled.")); + + // Fail safe check + bool const Fail = (Essential || Downgrade || Hold); + if (_config->FindI("quiet",0) >= 2 || + _config->FindB("APT::Get::Assume-Yes",false) == true) + { + if (Fail == true && _config->FindB("APT::Get::Force-Yes",false) == false) { + if (Essential == true && _config->FindB("APT::Get::allow-remove-essential", false) == false) + return _error->Error(_("Essential packages were removed and -y was used without --allow-remove-essential.")); + if (Downgrade == true && _config->FindB("APT::Get::allow-downgrades", false) == false) + return _error->Error(_("Packages were downgraded and -y was used without --allow-downgrades.")); + if (Hold == true && _config->FindB("APT::Get::allow-change-held-packages", false) == false) + return _error->Error(_("Held packages were changed and -y was used without --allow-change-held-packages.")); + } + } + + // Run the simulator .. + if (_config->FindB("APT::Get::Simulate") == true) + { + SimulateWithActionGroupInhibited PM(Cache); + + APT::Progress::PackageManager *progress = APT::Progress::PackageManagerProgressFactory(); + pkgPackageManager::OrderResult Res = PM.DoInstall(progress); + delete progress; + + if (Res == pkgPackageManager::Failed) + return false; + if (Res != pkgPackageManager::Completed) + return _error->Error(_("Internal error, Ordering didn't finish")); + return true; + } + + auto const FetchBytes = DownloadAllowed ? Fetcher.FetchNeeded() : 0; + auto const FetchPBytes = DownloadAllowed ? Fetcher.PartialPresent() : 0; + if (DownloadAllowed) + { + // Display statistics + auto const DebBytes = Fetcher.TotalNeeded(); + if (DebBytes != Cache->DebSize()) + { + c0out << "E: " << DebBytes << ',' << Cache->DebSize() << std::endl; + c0out << "E: " << _("How odd... The sizes didn't match, email apt@packages.debian.org") << std::endl; + } + + // 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 archives.\n"), + SizeToStr(FetchBytes).c_str(),SizeToStr(DebBytes).c_str()); + else if (DebBytes != 0) + //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 archives.\n"), + SizeToStr(DebBytes).c_str()); + } + + // Size delta + if (Cache->UsrSize() >= 0) + //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,_("After this operation, %sB of additional disk space will be used.\n"), + SizeToStr(Cache->UsrSize()).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,_("After this operation, %sB disk space will be freed.\n"), + SizeToStr(-1*Cache->UsrSize()).c_str()); + + if (DownloadAllowed) + if (CheckFreeSpaceBeforeDownload(_config->FindDir("Dir::Cache::Archives"), (FetchBytes - FetchPBytes)) == false) + return false; + + if (_error->PendingError() == true) + return false; + + // 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; + } + + if (Essential == true && Safety == true && _config->FindB("APT::Get::allow-remove-essential", false) == false) + { + if (_config->FindB("APT::Get::Trivial-Only",false) == true) + return _error->Error(_("Trivial Only specified but this is not a trivial operation.")); + + return _error->Error(_("Removing essential system-critical packages is not permitted. This might break the system.")); + } + else + { + // Prompt to continue + if (Ask == true || Fail == true) + { + if (_config->FindB("APT::Get::Trivial-Only",false) == true) + return _error->Error(_("Trivial Only specified but this is not a trivial operation.")); + + if (_config->FindI("quiet",0) < 2 && + _config->FindB("APT::Get::Assume-Yes",false) == false) + { + if (YnPrompt(_("Do you want to continue?")) == false) + { + c2out << _("Abort.") << std::endl; + exit(1); + } + } + } + } + + if (!CheckAuth(Fetcher, true)) + return false; + + /* Unlock the dpkg lock if we are not going to be doing an install + after. */ + if (_config->FindB("APT::Get::Download-Only",false) == true) + _system->UnLock(); + + // Run it + bool Failed = false; + while (1) + { + bool Transient = false; + if (AcquireRun(Fetcher, 0, &Failed, &Transient) == false) + return false; + + if (_config->FindB("APT::Get::Download-Only",false) == true) + { + if (Failed == true && _config->FindB("APT::Get::Fix-Missing",false) == false) + return _error->Error(_("Some files failed to download")); + c1out << _("Download complete and in download only mode") << std::endl; + return true; + } + + if (Failed == true && _config->FindB("APT::Get::Fix-Missing",false) == false) + return _error->Error(_("Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?")); + + if (Transient == true && Failed == true) + return _error->Error(_("--fix-missing and media swapping is not currently supported")); + + // Try to deal with missing package files + if (Failed == true && PM->FixMissing() == false) + { + c2out << _("Unable to correct missing packages.") << std::endl; + return _error->Error(_("Aborting install.")); + } + + auto const progress = APT::Progress::PackageManagerProgressFactory(); + _system->UnLockInner(); + pkgPackageManager::OrderResult const Res = PM->DoInstall(progress); + delete progress; + + if (Res == pkgPackageManager::Failed || _error->PendingError() == true) + return false; + if (Res == pkgPackageManager::Completed) + break; + + _system->LockInner(); + + // Reload the fetcher object and loop again for media swapping + Fetcher.Shutdown(); + if (PM->GetArchives(&Fetcher,List,&Recs) == false) + return false; + + Failed = false; + if (DownloadAllowed == false) + RemoveDownloadNeedingItemsFromFetcher(Fetcher, Failed); + } + + std::set<std::string> const disappearedPkgs = PM->GetDisappearedPackages(); + if (disappearedPkgs.empty() == false) + { + ShowList(c1out, P_("The following package disappeared from your system as\n" + "all files have been overwritten by other packages:", + "The following packages disappeared from your system as\n" + "all files have been overwritten by other packages:", disappearedPkgs.size()), disappearedPkgs, + [](std::string const &Pkg) { return Pkg.empty() == false; }, + [](std::string const &Pkg) { return Pkg; }, + [](std::string const &) { return std::string(); }); + c0out << _("Note: This is done automatically and on purpose by dpkg.") << std::endl; + } + + // cleanup downloaded debs + if (_config->FindB("APT::Keep-Downloaded-Packages", true) == false) + { + std::string const archivedir = _config->FindDir("Dir::Cache::archives"); + for (auto I = Fetcher.ItemsBegin(); I != Fetcher.ItemsEnd(); ++I) + { + if (flNotFile((*I)->DestFile) != archivedir || (*I)->Local) + continue; + RemoveFile("Keep-Downloaded-Packages=false", (*I)->DestFile); + } + } + + if (not RunScripts("APT::Install::Post-Invoke-Success")) + return false; + + return true; +} + /*}}}*/ +// DoAutomaticRemove - Remove all automatic unused packages /*{{{*/ +// --------------------------------------------------------------------- +/* Remove unused automatic packages */ +bool DoAutomaticRemove(CacheFile &Cache) +{ + bool Debug = _config->FindB("Debug::pkgAutoRemove",false); + bool doAutoRemove = _config->FindB("APT::Get::AutomaticRemove", false); + bool doAutoRemoveKernels = _config->FindB("APT::Get::AutomaticRemove::Kernels", false); + bool hideAutoRemove = _config->FindB("APT::Get::HideAutoRemove"); + + std::unique_ptr<APT::CacheFilter::Matcher> kernelAutoremovalMatcher; + if (doAutoRemoveKernels && !doAutoRemove) + { + kernelAutoremovalMatcher = APT::KernelAutoRemoveHelper::GetProtectedKernelsFilter(Cache, true); + } + + if(Debug) + std::cout << "DoAutomaticRemove()" << std::endl; + + if (doAutoRemove == true && + _config->FindB("APT::Get::Remove",true) == false) + { + c1out << _("We are not supposed to delete stuff, can't start " + "AutoRemover") << std::endl; + return false; + } + Cache->MarkAndSweep(); + + bool purgePkgs = _config->FindB("APT::Get::Purge", false); + bool smallList = (hideAutoRemove == false && + strcasecmp(_config->Find("APT::Get::HideAutoRemove","").c_str(),"small") == 0); + + unsigned long autoRemoveCount = 0; + APT::PackageSet tooMuch; + SortedPackageUniverse Universe(Cache); + // look over the cache to see what can be removed + for (auto const &Pkg: Universe) + { + if (Cache[Pkg].Garbage) + { + if(Pkg.CurrentVer() != 0 || Cache[Pkg].Install()) + if(Debug) + std::cout << "We could delete " << APT::PrettyPkg(Cache, Pkg) << std::endl; + + if (doAutoRemove || (kernelAutoremovalMatcher != nullptr && (*kernelAutoremovalMatcher)(Pkg))) + { + if(Pkg.CurrentVer() != 0 && + Pkg->CurrentState != pkgCache::State::ConfigFiles) + Cache->MarkDelete(Pkg, purgePkgs, 0, false); + else + Cache->MarkKeep(Pkg, false, false); + } + else + { + // if the package is a new install and already garbage we don't need to + // install it in the first place, so nuke it instead of show it + if (Cache[Pkg].Install() == true && Pkg.CurrentVer() == 0) + { + tooMuch.insert(Pkg); + Cache->MarkDelete(Pkg, false, 0, false); + } + // only show stuff in the list that is not yet marked for removal + else if(hideAutoRemove == false && Cache[Pkg].Delete() == false) + ++autoRemoveCount; + } + } + } + + // we could have removed a new dependency of a garbage package, + // so check if a reverse depends is broken and if so install it again. + if (tooMuch.empty() == false && (Cache->BrokenCount() != 0 || Cache->PolicyBrokenCount() != 0)) + { + bool Changed; + do { + Changed = false; + for (APT::PackageSet::iterator Pkg = tooMuch.begin(); + Pkg != tooMuch.end(); ++Pkg) + { + APT::PackageSet too; + too.insert(*Pkg); + for (pkgCache::PrvIterator Prv = Cache[Pkg].CandidateVerIter(Cache).ProvidesList(); + Prv.end() == false; ++Prv) + too.insert(Prv.ParentPkg()); + for (APT::PackageSet::const_iterator P = too.begin(); P != too.end(); ++P) + { + for (pkgCache::DepIterator R = P.RevDependsList(); + R.end() == false; ++R) + { + if (R.IsNegative() == true || + Cache->IsImportantDep(R) == false) + continue; + auto const RV = R.ParentVer(); + if (unlikely(RV.end() == true)) + continue; + auto const RP = RV.ParentPkg(); + // check if that dependency comes from an interesting version + if (RP.CurrentVer() == RV) + { + if ((*Cache)[RP].Keep() == false) + continue; + } + else if (Cache[RP].CandidateVerIter(Cache) == RV) + { + if ((*Cache)[RP].NewInstall() == false && (*Cache)[RP].Upgrade() == false) + continue; + } + else // ignore dependency from a non-candidate version + continue; + if (Debug == true) + std::clog << "Save " << APT::PrettyPkg(Cache, Pkg) << " as another installed package depends on it: " << APT::PrettyPkg(Cache, RP) << std::endl; + Cache->MarkInstall(Pkg, false, 0, false); + if (hideAutoRemove == false) + ++autoRemoveCount; + tooMuch.erase(Pkg); + Changed = true; + break; + } + if (Changed == true) + break; + } + if (Changed == true) + break; + } + } while (Changed == true); + } + + // Now see if we had destroyed anything (if we had done anything) + if (Cache->BrokenCount() != 0) + { + c1out << _("Hmm, seems like the AutoRemover destroyed something which really\n" + "shouldn't happen. Please file a bug report against apt.") << std::endl; + c1out << std::endl; + c1out << _("The following information may help to resolve the situation:") << std::endl; + c1out << std::endl; + ShowBroken(c1out,Cache,false); + + return _error->Error(_("Internal Error, AutoRemover broke stuff")); + } + + // if we don't remove them, we should show them! + if (doAutoRemove == false && autoRemoveCount != 0) + { + if (smallList == false) + { + // trigger marking now so that the package list is correct + Cache->MarkAndSweep(); + SortedPackageUniverse Universe(Cache); + ShowList(c1out, P_("The following package was automatically installed and is no longer required:", + "The following packages were automatically installed and are no longer required:", + autoRemoveCount), Universe, + [&Cache](pkgCache::PkgIterator const &Pkg) { return (*Cache)[Pkg].Garbage == true && (*Cache)[Pkg].Delete() == false; }, + &PrettyFullName, CandidateVersion(&Cache)); + } + else + ioprintf(c1out, P_("%lu package was automatically installed and is no longer required.\n", + "%lu packages were automatically installed and are no longer required.\n", autoRemoveCount), autoRemoveCount); + std::string autocmd = "apt autoremove"; + if (getenv("SUDO_USER") != nullptr) + { + auto const envsudocmd = getenv("SUDO_COMMAND"); + auto const envshell = getenv("SHELL"); + if (envsudocmd == nullptr || envshell == nullptr || strcmp(envsudocmd, envshell) != 0) + autocmd = "sudo " + autocmd; + } + ioprintf(c1out, P_("Use '%s' to remove it.", "Use '%s' to remove them.", autoRemoveCount), autocmd.c_str()); + c1out << std::endl; + } + return true; +} + /*}}}*/ +// DoCacheManipulationFromCommandLine /*{{{*/ +static const unsigned short MOD_REMOVE = 1; +static const unsigned short MOD_INSTALL = 2; + +bool DoCacheManipulationFromCommandLine(CommandLine &CmdL, std::vector<PseudoPkg> &VolatileCmdL, CacheFile &Cache, int UpgradeMode, + APT::PackageVector &HeldBackPackages) +{ + std::map<unsigned short, APT::VersionVector> verset; + std::set<std::string> UnknownPackages; + return DoCacheManipulationFromCommandLine(CmdL, VolatileCmdL, Cache, verset, UpgradeMode, UnknownPackages, HeldBackPackages); +} +bool DoCacheManipulationFromCommandLine(CommandLine &CmdL, std::vector<PseudoPkg> &VolatileCmdL, CacheFile &Cache, + std::map<unsigned short, APT::VersionVector> &verset, int UpgradeMode, + std::set<std::string> &UnknownPackages, APT::PackageVector &HeldBackPackages) +{ + // Enter the special broken fixing mode if the user specified arguments + bool BrokenFix = false; + if (Cache->BrokenCount() != 0) + BrokenFix = true; + + std::unique_ptr<pkgProblemResolver> Fix(nullptr); + if (_config->FindB("APT::Get::CallResolver", true) == true) + Fix.reset(new pkgProblemResolver(Cache)); + + unsigned short fallback = MOD_INSTALL; + if (strcasecmp(CmdL.FileList[0], "reinstall") == 0) + _config->Set("APT::Get::ReInstall", "true"); + else if (strcasecmp(CmdL.FileList[0],"remove") == 0) + fallback = MOD_REMOVE; + else if (strcasecmp(CmdL.FileList[0], "purge") == 0) + { + _config->Set("APT::Get::Purge", true); + fallback = MOD_REMOVE; + } + else if (strcasecmp(CmdL.FileList[0], "autoremove") == 0 || + strcasecmp(CmdL.FileList[0], "auto-remove") == 0) + { + _config->Set("APT::Get::AutomaticRemove", "true"); + fallback = MOD_REMOVE; + } + else if (strcasecmp(CmdL.FileList[0], "autopurge") == 0) + { + _config->Set("APT::Get::AutomaticRemove", "true"); + _config->Set("APT::Get::Purge", true); + fallback = MOD_REMOVE; + } + + std::list<APT::VersionSet::Modifier> mods; + mods.push_back(APT::VersionSet::Modifier(MOD_INSTALL, "+", + APT::VersionSet::Modifier::POSTFIX, APT::CacheSetHelper::CANDIDATE)); + mods.push_back(APT::VersionSet::Modifier(MOD_REMOVE, "-", + APT::VersionSet::Modifier::POSTFIX, APT::CacheSetHelper::NEWEST)); + CacheSetHelperAPTGet helper(c0out); + verset = APT::VersionVector::GroupedFromCommandLine(Cache, + CmdL.FileList + 1, mods, fallback, helper); + for (auto &vs : verset) + { + std::set<map_id_t> seen; + vs.second.erase(std::remove_if(vs.second.begin(), vs.second.end(), [&](auto const &p) { return not seen.insert(p->ID).second; }), vs.second.end()); + } + + for (auto const &I: VolatileCmdL) + { + pkgCache::PkgIterator const P = Cache->FindPkg(I.name); + if (P.end()) + continue; + + // Set any version providing the .deb as the candidate. + for (auto Prv = P.ProvidesList(); Prv.end() == false; Prv++) + { + if (I.release.empty()) + Cache.GetDepCache()->SetCandidateVersion(Prv.OwnerVer()); + else + Cache.GetDepCache()->SetCandidateRelease(Prv.OwnerVer(), I.release); + } + + // via cacheset to have our usual virtual handling + APT::VersionContainerInterface::FromPackage(&(verset[MOD_INSTALL]), Cache, P, APT::CacheSetHelper::CANDIDATE, helper); + } + + UnknownPackages = helper.notFound; + + if (_error->PendingError() == true) + { + helper.showVirtualPackageErrors(Cache); + return false; + } + + + TryToInstall InstallAction(Cache, Fix.get(), BrokenFix); + TryToRemove RemoveAction(Cache, Fix.get()); + APT::PackageSet UpgradablePackages; + + { + unsigned short const order[] = { MOD_REMOVE, MOD_INSTALL, 0 }; + + for (unsigned short i = 0; order[i] != 0; ++i) + { + if (order[i] == MOD_INSTALL) + InstallAction = std::for_each(verset[MOD_INSTALL].begin(), verset[MOD_INSTALL].end(), InstallAction); + else if (order[i] == MOD_REMOVE) + RemoveAction = std::for_each(verset[MOD_REMOVE].begin(), verset[MOD_REMOVE].end(), RemoveAction); + } + + { + APT::CacheSetHelper helper; + helper.PackageFrom(APT::CacheSetHelper::PATTERN, &UpgradablePackages, Cache, "?upgradable"); + } + + if (Fix != NULL && _config->FindB("APT::Get::AutoSolving", true) == true) + { + InstallAction.propagateReleaseCandidateSwitching(helper.selectedByRelease, c0out); + InstallAction.doAutoInstall(); + } + + if (_error->PendingError() == true) + { + return false; + } + + /* If we are in the Broken fixing mode we do not attempt to fix the + problems. This is if the user invoked install without -f and gave + packages */ + if (BrokenFix == true && Cache->BrokenCount() != 0) + { + c1out << _("You might want to run 'apt --fix-broken install' to correct these.") << std::endl; + ShowBroken(c1out,Cache,false); + return _error->Error(_("Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution).")); + } + + if (Fix != NULL) + { + // Call the scored problem resolver + OpTextProgress Progress(*_config); + bool const distUpgradeMode = strcmp(CmdL.FileList[0], "dist-upgrade") == 0 || strcmp(CmdL.FileList[0], "full-upgrade") == 0; + + if (distUpgradeMode && _config->Find("Binary") == "apt") + _config->CndSet("APT::Get::AutomaticRemove::Kernels", _config->FindB("APT::Get::AutomaticRemove", true)); + + bool resolver_fail = false; + if (distUpgradeMode == true || UpgradeMode != APT::Upgrade::ALLOW_EVERYTHING) + resolver_fail = APT::Upgrade::Upgrade(Cache, UpgradeMode, &Progress); + else + resolver_fail = Fix->Resolve(true, &Progress); + + if (resolver_fail == false && Cache->BrokenCount() == 0) + return false; + } + + if (CheckNothingBroken(Cache) == false) + return false; + } + if (!DoAutomaticRemove(Cache)) + return false; + + // if nothing changed in the cache, but only the automark information + // we write the StateFile here, otherwise it will be written in + // cache.commit() + if (InstallAction.AutoMarkChanged > 0 && + Cache->DelCount() == 0 && Cache->InstCount() == 0 && + Cache->BadCount() == 0 && + _config->FindB("APT::Get::Simulate",false) == false) + Cache->writeStateFile(NULL); + + SortedPackageUniverse Universe(Cache); + for (auto const &Pkg: Universe) + if (Pkg->CurrentVer != 0 && not Cache[Pkg].Upgrade() && not Cache[Pkg].Delete() && + UpgradablePackages.find(Pkg) != UpgradablePackages.end()) + HeldBackPackages.push_back(Pkg); + + return true; +} + /*}}}*/ +bool AddVolatileSourceFile(pkgSourceList *const SL, PseudoPkg &&pkg, std::vector<PseudoPkg> &VolatileCmdL)/*{{{*/ +{ + auto const ext = flExtension(pkg.name); + if (ext != "dsc" && FileExists(pkg.name + "/debian/control") == false) + return false; + std::vector<std::string> files; + SL->AddVolatileFile(pkg.name, &files); + std::transform(files.begin(), files.end(), std::back_inserter(VolatileCmdL), [&](auto &&f) { return PseudoPkg{std::move(f), pkg.arch, pkg.release, pkg.index}; }); + return true; + +} + /*}}}*/ +bool AddVolatileBinaryFile(pkgSourceList *const SL, PseudoPkg &&pkg, std::vector<PseudoPkg> &VolatileCmdL)/*{{{*/ +{ + auto const ext = flExtension(pkg.name); + if (ext != "deb" && ext != "ddeb" && ext != "changes") + return false; + std::vector<std::string> files; + SL->AddVolatileFile(pkg.name, &files); + std::transform(files.begin(), files.end(), std::back_inserter(VolatileCmdL), [&](auto &&f) { return PseudoPkg{std::move(f), pkg.arch, pkg.release, pkg.index}; }); + return true; +} + /*}}}*/ +static bool AddIfVolatile(pkgSourceList *const SL, std::vector<PseudoPkg> &VolatileCmdL, bool (*Add)(pkgSourceList *const, PseudoPkg &&, std::vector<PseudoPkg> &), char const * const I, std::string const &pseudoArch)/*{{{*/ +{ + if (I != nullptr && (I[0] == '/' || (I[0] == '.' && (I[1] == '\0' || (I[1] == '.' && (I[2] == '\0' || I[2] == '/')) || I[1] == '/')))) + { + PseudoPkg pkg(I, pseudoArch, "", SL->GetVolatileFiles().size()); + if (FileExists(I)) // this accepts directories and symlinks, too + { + if (Add(SL, std::move(pkg), VolatileCmdL)) + ; + else + _error->Error(_("Unsupported file %s given on commandline"), I); + return true; + } + else + { + auto const found = pkg.name.rfind("/"); + if (found == pkg.name.find("/")) + _error->Error(_("Unsupported file %s given on commandline"), I); + else + { + pkg.release = pkg.name.substr(found + 1); + pkg.name.erase(found); + if (Add(SL, std::move(pkg), VolatileCmdL)) + ; + else + _error->Error(_("Unsupported file %s given on commandline"), I); + } + return true; + } + } + return false; +} + /*}}}*/ +std::vector<PseudoPkg> GetAllPackagesAsPseudo(pkgSourceList *const SL, CommandLine &CmdL, bool (*Add)(pkgSourceList *const, PseudoPkg &&, std::vector<PseudoPkg> &), std::string const &pseudoArch)/*{{{*/ +{ + std::vector<PseudoPkg> PkgCmdL; + std::for_each(CmdL.FileList + 1, CmdL.FileList + CmdL.FileSize(), [&](char const *const I) { + if (AddIfVolatile(SL, PkgCmdL, Add, I, pseudoArch) == false) + PkgCmdL.emplace_back(I, pseudoArch, "", -1); + }); + return PkgCmdL; +} + /*}}}*/ +std::vector<PseudoPkg> GetPseudoPackages(pkgSourceList *const SL, CommandLine &CmdL, bool (*Add)(pkgSourceList *const, PseudoPkg &&, std::vector<PseudoPkg> &), std::string const &pseudoArch)/*{{{*/ +{ + std::vector<PseudoPkg> VolatileCmdL; + std::remove_if(CmdL.FileList + 1, CmdL.FileList + 1 + CmdL.FileSize(), [&](char const *const I) { + return AddIfVolatile(SL, VolatileCmdL, Add, I, pseudoArch); + }); + return VolatileCmdL; +} + /*}}}*/ +// DoInstall - Install packages from the command line /*{{{*/ +// --------------------------------------------------------------------- +/* Install named packages */ +struct PkgIsExtraInstalled { + pkgCacheFile * const Cache; + APT::VersionVector const * const verset; + PkgIsExtraInstalled(pkgCacheFile * const Cache, APT::VersionVector const * const Container) : Cache(Cache), verset(Container) {} + bool operator() (pkgCache::PkgIterator const &Pkg) + { + if ((*Cache)[Pkg].Install() == false) + return false; + pkgCache::VerIterator const Cand = (*Cache)[Pkg].CandidateVerIter(*Cache); + return std::find(verset->begin(), verset->end(), Cand) == verset->end(); + } +}; +bool DoInstall(CommandLine &CmdL) +{ + CacheFile Cache; + Cache.InhibitActionGroups(true); + if (Cache.BuildSourceList() == false) + return false; + auto VolatileCmdL = GetPseudoPackages(Cache.GetSourceList(), CmdL, AddVolatileBinaryFile, ""); + + // then open the cache + if (Cache.OpenForInstall() == false || + Cache.CheckDeps(CmdL.FileSize() != 1) == false) + return false; + + std::map<unsigned short, APT::VersionVector> verset; + std::set<std::string> UnknownPackages; + APT::PackageVector HeldBackPackages; + + if (not DoCacheManipulationFromCommandLine(CmdL, VolatileCmdL, Cache, verset, 0, UnknownPackages, HeldBackPackages)) + { + RunJsonHook("AptCli::Hooks::Install", "org.debian.apt.hooks.install.fail", CmdL.FileList, Cache, UnknownPackages); + return false; + } + + /* Print out a list of packages that are going to be installed extra + to what the user asked */ + SortedPackageUniverse Universe(Cache); + if (Cache->InstCount() != verset[MOD_INSTALL].size()) + ShowList(c1out, _("The following additional packages will be installed:"), Universe, + PkgIsExtraInstalled(&Cache, &verset[MOD_INSTALL]), + &PrettyFullName, CandidateVersion(&Cache)); + + /* Print out a list of suggested and recommended packages */ + { + std::list<std::string> Recommends, Suggests, SingleRecommends, SingleSuggests; + for (auto const &Pkg: Universe) + { + /* Just look at the ones we want to install */ + if ((*Cache)[Pkg].Install() == false) + continue; + + // get the recommends/suggests for the candidate ver + pkgCache::VerIterator CV = (*Cache)[Pkg].CandidateVerIter(*Cache); + for (pkgCache::DepIterator D = CV.DependsList(); D.end() == false; ) + { + pkgCache::DepIterator Start; + pkgCache::DepIterator End; + D.GlobOr(Start,End); // advances D + if (Start->Type != pkgCache::Dep::Recommends && Start->Type != pkgCache::Dep::Suggests) + continue; + + { + // Skip if we already saw this + std::string target; + for (pkgCache::DepIterator I = Start; I != D; ++I) + { + if (target.empty() == false) + target.append(" | "); + target.append(I.TargetPkg().FullName(true)); + } + std::list<std::string> &Type = Start->Type == pkgCache::Dep::Recommends ? SingleRecommends : SingleSuggests; + if (std::find(Type.begin(), Type.end(), target) != Type.end()) + continue; + Type.push_back(target); + } + + std::list<std::string> OrList; + bool foundInstalledInOrGroup = false; + for (pkgCache::DepIterator I = Start; I != D; ++I) + { + { + // satisfying package is installed and not marked for deletion + APT::VersionList installed = APT::VersionList::FromDependency(Cache, I, APT::CacheSetHelper::INSTALLED); + if (std::find_if(installed.begin(), installed.end(), + [&Cache](pkgCache::VerIterator const &Ver) { return Cache[Ver.ParentPkg()].Delete() == false; }) != installed.end()) + { + foundInstalledInOrGroup = true; + break; + } + } + + { + // satisfying package is upgraded to/new install + APT::VersionList upgrades = APT::VersionList::FromDependency(Cache, I, APT::CacheSetHelper::CANDIDATE); + if (std::find_if(upgrades.begin(), upgrades.end(), + [&Cache](pkgCache::VerIterator const &Ver) { return Cache[Ver.ParentPkg()].Upgrade(); }) != upgrades.end()) + { + foundInstalledInOrGroup = true; + break; + } + } + + if (OrList.empty()) + OrList.push_back(I.TargetPkg().FullName(true)); + else + OrList.push_back("| " + I.TargetPkg().FullName(true)); + } + + if(foundInstalledInOrGroup == false) + { + std::list<std::string> &Type = Start->Type == pkgCache::Dep::Recommends ? Recommends : Suggests; + std::move(OrList.begin(), OrList.end(), std::back_inserter(Type)); + } + } + } + auto always_true = [](std::string const&) { return true; }; + auto string_ident = [](std::string const&str) { return str; }; + auto verbose_show_candidate = + [&Cache](std::string str) + { + if (APT::String::Startswith(str, "| ")) + str.erase(0, 2); + pkgCache::PkgIterator const Pkg = Cache->FindPkg(str); + if (Pkg.end() == true) + return ""; + return (*Cache)[Pkg].CandVersion; + }; + ShowList(c1out,_("Suggested packages:"), Suggests, + always_true, string_ident, verbose_show_candidate); + ShowList(c1out,_("Recommended packages:"), Recommends, + always_true, string_ident, verbose_show_candidate); + } + + RunJsonHook("AptCli::Hooks::Install", "org.debian.apt.hooks.install.pre-prompt", CmdL.FileList, Cache); + + bool result; + // See if we need to prompt + // FIXME: check if really the packages in the set are going to be installed + if (Cache->InstCount() == verset[MOD_INSTALL].size() && Cache->DelCount() == 0) + result = InstallPackages(Cache, HeldBackPackages, false, false, true, "AptCli::Hooks::Install", CmdL); + else + result = InstallPackages(Cache, HeldBackPackages, false, true, true, "AptCli::Hooks::Install", CmdL); + + if (result) + result = RunJsonHook("AptCli::Hooks::Install", "org.debian.apt.hooks.install.post", CmdL.FileList, Cache); + else + /* not a result */ RunJsonHook("AptCli::Hooks::Install", "org.debian.apt.hooks.install.fail", CmdL.FileList, Cache); + + return result; +} + /*}}}*/ + +// TryToInstall - Mark a package for installation /*{{{*/ +void TryToInstall::operator() (pkgCache::VerIterator const &Ver) { + if (unlikely(Ver.end())) + { + _error->Fatal("The given version to TryToInstall is invalid!"); + return; + } + pkgCache::PkgIterator Pkg = Ver.ParentPkg(); + if (unlikely(Pkg.end())) + { + _error->Fatal("The given version to TryToInstall has an invalid parent package!"); + return; + } + + Cache->GetDepCache()->SetCandidateVersion(Ver); + pkgDepCache::StateCache &State = (*Cache)[Pkg]; + + // Handle the no-upgrade case + if (_config->FindB("APT::Get::upgrade",true) == false && Pkg->CurrentVer != 0) + ioprintf(c1out,_("Skipping %s, it is already installed and upgrade is not set.\n"), + Pkg.FullName(true).c_str()); + // Ignore request for install if package would be new + else if (_config->FindB("APT::Get::Only-Upgrade", false) == true && Pkg->CurrentVer == 0) + ioprintf(c1out,_("Skipping %s, it is not installed and only upgrades are requested.\n"), + Pkg.FullName(true).c_str()); + else { + if (Fix != NULL) { + Fix->Clear(Pkg); + Fix->Protect(Pkg); + } + Cache->GetDepCache()->MarkInstall(Pkg,false); + + if (State.Install() == false) { + if (_config->FindB("APT::Get::ReInstall",false) == true) { + if (Pkg->CurrentVer == 0 || Pkg.CurrentVer().Downloadable() == false) + ioprintf(c1out,_("Reinstallation of %s is not possible, it cannot be downloaded.\n"), + Pkg.FullName(true).c_str()); + else + Cache->GetDepCache()->SetReInstall(Pkg, true); + } else + // TRANSLATORS: First string is package name, second is version + ioprintf(c1out,_("%s is already the newest version (%s).\n"), + Pkg.FullName(true).c_str(), Pkg.CurrentVer().VerStr()); + } + + // Install it with autoinstalling enabled (if we not respect the minial + // required deps or the policy) + if (FixBroken == false) + doAutoInstallLater.insert(Pkg); + } + + // see if we need to fix the auto-mark flag + // e.g. apt-get install foo + // where foo is marked automatic + if (State.Install() == false && + (State.Flags & pkgCache::Flag::Auto) && + _config->FindB("APT::Get::ReInstall",false) == false && + _config->FindB("APT::Get::Only-Upgrade",false) == false && + _config->FindB("APT::Get::Download-Only",false) == false) + { + ioprintf(c1out,_("%s set to manually installed.\n"), + Pkg.FullName(true).c_str()); + Cache->GetDepCache()->MarkAuto(Pkg,false); + AutoMarkChanged++; + } +} + /*}}}*/ +bool TryToInstall::propagateReleaseCandidateSwitching(std::list<std::pair<pkgCache::VerIterator, std::string> > const &start, std::ostream &out)/*{{{*/ +{ + for (std::list<std::pair<pkgCache::VerIterator, std::string> >::const_iterator s = start.begin(); + s != start.end(); ++s) + Cache->GetDepCache()->SetCandidateVersion(s->first); + + bool Success = true; + // the Changed list contains: + // first: "new version" + // second: "what-caused the change" + std::list<std::pair<pkgCache::VerIterator, pkgCache::VerIterator> > Changed; + for (std::list<std::pair<pkgCache::VerIterator, std::string> >::const_iterator s = start.begin(); + s != start.end(); ++s) + { + Changed.push_back(std::make_pair(s->first, pkgCache::VerIterator(*Cache))); + // We continue here even if it failed to enhance the ShowBroken output + Success &= Cache->GetDepCache()->SetCandidateRelease(s->first, s->second, Changed); + } + for (std::list<std::pair<pkgCache::VerIterator, pkgCache::VerIterator> >::const_iterator c = Changed.begin(); + c != Changed.end(); ++c) + { + if (c->second.end() == true) + { + auto const pkgname = c->first.ParentPkg().FullName(true); + if (APT::String::Startswith(pkgname, "builddeps:")) + continue; + ioprintf(out, _("Selected version '%s' (%s) for '%s'\n"), + c->first.VerStr(), c->first.RelStr().c_str(), pkgname.c_str()); + } + else if (c->first.ParentPkg()->Group != c->second.ParentPkg()->Group) + { + auto pkgname = c->second.ParentPkg().FullName(true); + if (APT::String::Startswith(pkgname, "builddeps:")) + pkgname.replace(0, strlen("builddeps"), "src"); + pkgCache::VerIterator V = (*Cache)[c->first.ParentPkg()].CandidateVerIter(*Cache); + ioprintf(out, _("Selected version '%s' (%s) for '%s' because of '%s'\n"), V.VerStr(), + V.RelStr().c_str(), V.ParentPkg().FullName(true).c_str(), pkgname.c_str()); + } + } + return Success; +} + /*}}}*/ +void TryToInstall::doAutoInstall() { /*{{{*/ + auto * const DCache = Cache->GetDepCache(); + for (auto const &P: doAutoInstallLater) + DCache->MarkInstall(P, true); + doAutoInstallLater.clear(); +} + /*}}}*/ +// TryToRemove - Mark a package for removal /*{{{*/ +void TryToRemove::operator() (pkgCache::VerIterator const &Ver) +{ + pkgCache::PkgIterator Pkg = Ver.ParentPkg(); + + if (Fix != NULL) + { + Fix->Clear(Pkg); + Fix->Protect(Pkg); + Fix->Remove(Pkg); + } + + if ((Pkg->CurrentVer == 0 && PurgePkgs == false) || + (PurgePkgs == true && Pkg->CurrentState == pkgCache::State::NotInstalled)) + { + pkgCache::GrpIterator Grp = Pkg.Group(); + pkgCache::PkgIterator P = Grp.PackageList(); + for (; P.end() != true; P = Grp.NextPkg(P)) + { + if (P == Pkg) + continue; + if (P->CurrentVer != 0 || (PurgePkgs == true && P->CurrentState != pkgCache::State::NotInstalled)) + { + // TRANSLATORS: Note, this is not an interactive question + ioprintf(c1out,_("Package '%s' is not installed, so not removed. Did you mean '%s'?\n"), + Pkg.FullName(true).c_str(), P.FullName(true).c_str()); + break; + } + } + if (P.end() == true) + ioprintf(c1out,_("Package '%s' is not installed, so not removed\n"),Pkg.FullName(true).c_str()); + + // MarkInstall refuses to install packages on hold + Pkg->SelectedState = pkgCache::State::Hold; + } + else + Cache->GetDepCache()->MarkDelete(Pkg, PurgePkgs); +} + /*}}}*/ |