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-rw-r--r--apt-private/private-install.cc990
1 files changed, 990 insertions, 0 deletions
diff --git a/apt-private/private-install.cc b/apt-private/private-install.cc
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+++ b/apt-private/private-install.cc
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+// Include Files /*{{{*/
+#include <config.h>
+
+#include <apt-pkg/acquire.h>
+#include <apt-pkg/acquire-item.h>
+#include <apt-pkg/algorithms.h>
+#include <apt-pkg/cachefile.h>
+#include <apt-pkg/cacheset.h>
+#include <apt-pkg/cmndline.h>
+#include <apt-pkg/depcache.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/pkgrecords.h>
+#include <apt-pkg/pkgsystem.h>
+#include <apt-pkg/sptr.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/macros.h>
+#include <apt-pkg/packagemanager.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/upgrade.h>
+#include <apt-pkg/install-progress.h>
+#include <apt-pkg/prettyprinters.h>
+
+#include <stdlib.h>
+#include <string.h>
+#include <algorithm>
+#include <iostream>
+#include <set>
+#include <vector>
+#include <map>
+
+#include <apt-private/acqprogress.h>
+#include <apt-private/private-install.h>
+#include <apt-private/private-cachefile.h>
+#include <apt-private/private-cacheset.h>
+#include <apt-private/private-download.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 */
+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,bool ShwKept,bool Ask, bool Safety)
+{
+ 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
+ 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 (_config->FindB("APT::Get::Download",true) == false)
+ {
+ bool Missing = false;
+ RemoveDownloadNeedingItemsFromFetcher(Fetcher, Missing);
+ if (Missing)
+ {
+ if (_config->FindB("APT::Get::Fix-Missing",false))
+ PM->FixMissing();
+ 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);
+ bool const Hold = !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);
+
+ Stats(c1out,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 true;
+
+ // 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 (_config->FindB("APT::Get::Force-Yes",false) == true) {
+ _error->Warning(_("--force-yes is deprecated, use one of the options starting with --allow instead."));
+ }
+
+ 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)
+ {
+ pkgSimulate 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;
+ }
+
+ // Display statistics
+ auto const FetchBytes = Fetcher.FetchNeeded();
+ auto const FetchPBytes = Fetcher.PartialPresent();
+ auto const DebBytes = Fetcher.TotalNeeded();
+ if (DebBytes != Cache->DebSize())
+ {
+ c0out << DebBytes << ',' << Cache->DebSize() << std::endl;
+ c0out << _("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 (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."));
+
+ // TRANSLATOR: This string needs to be typed by the user as a confirmation, so be
+ // careful with hard to type or special characters (like non-breaking spaces)
+ const char *Prompt = _("Yes, do as I say!");
+ std::string question;
+ strprintf(question,
+ _("You are about to do something potentially harmful.\n"
+ "To continue type in the phrase '%s'\n"
+ " ?] "),Prompt);
+ if (AnalPrompt(question, Prompt) == false)
+ {
+ c2out << _("Abort.") << std::endl;
+ exit(1);
+ }
+ }
+ 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->UnLock();
+ pkgPackageManager::OrderResult const Res = PM->DoInstall(progress);
+ delete progress;
+
+ if (Res == pkgPackageManager::Failed || _error->PendingError() == true)
+ return false;
+ if (Res == pkgPackageManager::Completed)
+ break;
+
+ _system->Lock();
+
+ // Reload the fetcher object and loop again for media swapping
+ Fetcher.Shutdown();
+ if (PM->GetArchives(&Fetcher,List,&Recs) == false)
+ return false;
+
+ Failed = false;
+ if (_config->FindB("APT::Get::Download",true) == 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);
+ }
+ }
+
+ 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 hideAutoRemove = _config->FindB("APT::Get::HideAutoRemove");
+
+ pkgDepCache::ActionGroup group(*Cache);
+ 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;
+ }
+
+ 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)
+ {
+ 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);
+ }
+ // trigger marking now so that the package list below is correct
+ group.release();
+
+ // 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)
+ {
+ 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, CacheFile &Cache, int UpgradeMode)
+{
+ std::vector<std::string> VolatileCmdL;
+ return DoCacheManipulationFromCommandLine(CmdL, VolatileCmdL, Cache, UpgradeMode);
+}
+bool DoCacheManipulationFromCommandLine(CommandLine &CmdL, std::vector<std::string> &VolatileCmdL, CacheFile &Cache, int UpgradeMode)
+{
+ std::map<unsigned short, APT::VersionSet> verset;
+ return DoCacheManipulationFromCommandLine(CmdL, VolatileCmdL, Cache, verset, UpgradeMode);
+}
+bool DoCacheManipulationFromCommandLine(CommandLine &CmdL, std::vector<std::string> &VolatileCmdL, CacheFile &Cache,
+ std::map<unsigned short, APT::VersionSet> &verset, int UpgradeMode)
+{
+ // 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],"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;
+ }
+
+ 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::VersionSet::GroupedFromCommandLine(Cache,
+ CmdL.FileList + 1, mods, fallback, helper);
+
+ for (auto const &I: VolatileCmdL)
+ {
+ pkgCache::PkgIterator const P = Cache->FindPkg(I);
+ if (P.end())
+ continue;
+
+ // Set any version providing the .deb as the candidate.
+ for (auto Prv = P.ProvidesList(); Prv.end() == false; Prv++)
+ Cache.GetDepCache()->SetCandidateVersion(Prv.OwnerVer());
+
+ // via cacheset to have our usual virtual handling
+ APT::VersionContainerInterface::FromPackage(&(verset[MOD_INSTALL]), Cache, P, APT::CacheSetHelper::CANDIDATE, helper);
+ }
+
+ if (_error->PendingError() == true)
+ {
+ helper.showVirtualPackageErrors(Cache);
+ return false;
+ }
+
+
+ TryToInstall InstallAction(Cache, Fix.get(), BrokenFix);
+ TryToRemove RemoveAction(Cache, Fix.get());
+
+ // new scope for the ActionGroup
+ {
+ pkgDepCache::ActionGroup group(Cache);
+ 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);
+ }
+
+ if (Fix != NULL && _config->FindB("APT::Get::AutoSolving", true) == true)
+ {
+ InstallAction.propergateReleaseCandiateSwitching(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;
+
+ 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);
+
+ return true;
+}
+ /*}}}*/
+// DoInstall - Install packages from the command line /*{{{*/
+// ---------------------------------------------------------------------
+/* Install named packages */
+struct PkgIsExtraInstalled {
+ pkgCacheFile * const Cache;
+ APT::VersionSet const * const verset;
+ PkgIsExtraInstalled(pkgCacheFile * const Cache, APT::VersionSet 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 verset->find(Cand) == verset->end();
+ }
+};
+bool DoInstall(CommandLine &CmdL)
+{
+ CacheFile Cache;
+ std::vector<std::string> VolatileCmdL;
+ Cache.GetSourceList()->AddVolatileFiles(CmdL, &VolatileCmdL);
+
+ // then open the cache
+ if (Cache.OpenForInstall() == false ||
+ Cache.CheckDeps(CmdL.FileSize() != 1) == false)
+ return false;
+
+ std::map<unsigned short, APT::VersionSet> verset;
+ if(!DoCacheManipulationFromCommandLine(CmdL, VolatileCmdL, Cache, verset, 0))
+ 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);
+ }
+
+ // 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)
+ return InstallPackages(Cache,false,false);
+
+ return InstallPackages(Cache,false);
+}
+ /*}}}*/
+
+// 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::propergateReleaseCandiateSwitching(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)
+ ioprintf(out, _("Selected version '%s' (%s) for '%s'\n"),
+ c->first.VerStr(), c->first.RelStr().c_str(), c->first.ParentPkg().FullName(true).c_str());
+ else if (c->first.ParentPkg()->Group != c->second.ParentPkg()->Group)
+ {
+ 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(), c->second.ParentPkg().FullName(true).c_str());
+ }
+ }
+ return Success;
+}
+ /*}}}*/
+void TryToInstall::doAutoInstall() { /*{{{*/
+ for (APT::PackageSet::const_iterator P = doAutoInstallLater.begin();
+ P != doAutoInstallLater.end(); ++P) {
+ pkgDepCache::StateCache &State = (*Cache)[P];
+ if (State.InstBroken() == false && State.InstPolicyBroken() == false)
+ continue;
+ Cache->GetDepCache()->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);
+}
+ /*}}}*/