X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/72dd5bec06d8d50ff9e8022e36a7d8a6f0cfd7a0..2baf02ca838e9d7df0a0e9923ffbbb706978ffa4:/cmdline/apt-get.cc diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc index 93f167f19..80037ae66 100644 --- a/cmdline/apt-get.cc +++ b/cmdline/apt-get.cc @@ -382,8 +382,6 @@ void ShowNew(ostream &out,CacheFile &Cache) { pkgCache::PkgIterator I(Cache,Cache.List[J]); if (Cache[I].NewInstall() == true) { - if (Cache[I].CandidateVerIter(Cache).Pseudo() == true) - continue; List += I.FullName(true) + " "; VersionsList += string(Cache[I].CandVersion) + "\n"; } @@ -406,8 +404,6 @@ void ShowDel(ostream &out,CacheFile &Cache) pkgCache::PkgIterator I(Cache,Cache.List[J]); if (Cache[I].Delete() == true) { - if (Cache[I].CandidateVerIter(Cache).Pseudo() == true) - continue; if ((Cache[I].iFlags & pkgDepCache::Purge) == pkgDepCache::Purge) List += I.FullName(true) + "* "; else @@ -456,8 +452,6 @@ void ShowUpgraded(ostream &out,CacheFile &Cache) // Not interesting if (Cache[I].Upgrade() == false || Cache[I].NewInstall() == true) continue; - if (Cache[I].CandidateVerIter(Cache).Pseudo() == true) - continue; List += I.FullName(true) + " "; VersionsList += string(Cache[I].CurVersion) + " => " + Cache[I].CandVersion + "\n"; @@ -479,8 +473,6 @@ bool ShowDowngraded(ostream &out,CacheFile &Cache) // Not interesting if (Cache[I].Downgrade() == false || Cache[I].NewInstall() == true) continue; - if (Cache[I].CandidateVerIter(Cache).Pseudo() == true) - continue; List += I.FullName(true) + " "; VersionsList += string(Cache[I].CurVersion) + " => " + Cache[I].CandVersion + "\n"; @@ -584,9 +576,6 @@ void Stats(ostream &out,pkgDepCache &Dep) unsigned long ReInstall = 0; for (pkgCache::PkgIterator I = Dep.PkgBegin(); I.end() == false; I++) { - if (pkgCache::VerIterator(Dep, Dep[I].CandidateVer).Pseudo() == true) - continue; - if (Dep[I].NewInstall() == true) Install++; else @@ -775,7 +764,7 @@ struct TryToInstall { unsigned long AutoMarkChanged; APT::PackageSet doAutoInstallLater; - TryToInstall(pkgCacheFile &Cache, pkgProblemResolver &PM, bool const &FixBroken) : Cache(&Cache), Fix(&PM), + TryToInstall(pkgCacheFile &Cache, pkgProblemResolver *PM, bool const &FixBroken) : Cache(&Cache), Fix(PM), FixBroken(FixBroken), AutoMarkChanged(0) {}; void operator() (pkgCache::VerIterator const &Ver) { @@ -793,8 +782,10 @@ struct TryToInstall { ioprintf(c1out,_("Skipping %s, it is not installed and only upgrades are requested.\n"), Pkg.FullName(true).c_str()); else { - Fix->Clear(Pkg); - Fix->Protect(Pkg); + if (Fix != NULL) { + Fix->Clear(Pkg); + Fix->Protect(Pkg); + } Cache->GetDepCache()->MarkInstall(Pkg,false); if (State.Install() == false) { @@ -882,16 +873,19 @@ struct TryToRemove { bool PurgePkgs; unsigned long AutoMarkChanged; - TryToRemove(pkgCacheFile &Cache, pkgProblemResolver &PM) : Cache(&Cache), Fix(&PM), + TryToRemove(pkgCacheFile &Cache, pkgProblemResolver *PM) : Cache(&Cache), Fix(PM), PurgePkgs(_config->FindB("APT::Get::Purge", false)) {}; void operator() (pkgCache::VerIterator const &Ver) { pkgCache::PkgIterator Pkg = Ver.ParentPkg(); - Fix->Clear(Pkg); - Fix->Protect(Pkg); - Fix->Remove(Pkg); + 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)) @@ -1396,10 +1390,10 @@ bool TryToInstallBuildDep(pkgCache::PkgIterator Pkg,pkgCacheFile &Cache, if (Remove == true) { - TryToRemove RemoveAction(Cache, Fix); + TryToRemove RemoveAction(Cache, &Fix); RemoveAction(Pkg.VersionList()); } else if (Cache[Pkg].CandidateVer != 0) { - TryToInstall InstallAction(Cache, Fix, BrokenFix); + TryToInstall InstallAction(Cache, &Fix, BrokenFix); InstallAction(Cache[Pkg].CandidateVerIter(Cache)); InstallAction.doAutoInstall(); } else @@ -1659,6 +1653,7 @@ bool DoAutomaticRemove(CacheFile &Cache) string autoremovelist, autoremoveversions; unsigned long autoRemoveCount = 0; + APT::PackageSet tooMuch; // look over the cache to see what can be removed for (pkgCache::PkgIterator Pkg = Cache->PkgBegin(); ! Pkg.end(); ++Pkg) { @@ -1681,7 +1676,10 @@ bool DoAutomaticRemove(CacheFile &Cache) // 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) + { Cache->MarkDelete(Pkg, false); + tooMuch.insert(Pkg); + } // only show stuff in the list that is not yet marked for removal else if(hideAutoRemove == false && Cache[Pkg].Delete() == false) { @@ -1697,6 +1695,45 @@ bool DoAutomaticRemove(CacheFile &Cache) } } + // 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::const_iterator P = tooMuch.begin(); + P != tooMuch.end() && Changed == false; ++P) + { + for (pkgCache::DepIterator R = P.RevDependsList(); + R.end() == false; ++R) + { + if (R.IsNegative() == true || + Cache->IsImportantDep(R) == false) + continue; + pkgCache::PkgIterator N = R.ParentPkg(); + if (N.end() == true || (N->CurrentVer == 0 && (*Cache)[N].Install() == false)) + continue; + if (Debug == true) + std::clog << "Save " << P << " as another installed garbage package depends on it" << std::endl; + Cache->MarkInstall(P, false); + if(hideAutoRemove == false) + { + ++autoRemoveCount; + if (smallList == false) + { + autoremovelist += P.FullName(true) + " "; + autoremoveversions += string(Cache[P].CandVersion) + "\n"; + } + } + tooMuch.erase(P); + Changed = true; + break; + } + } + } while (Changed == true); + } + // Now see if we had destroyed anything (if we had done anything) if (Cache->BrokenCount() != 0) { @@ -1759,8 +1796,10 @@ bool DoInstall(CommandLine &CmdL) bool BrokenFix = false; if (Cache->BrokenCount() != 0) BrokenFix = true; - - pkgProblemResolver Fix(Cache); + + pkgProblemResolver* Fix = NULL; + if (_config->FindB("APT::Get::CallResolver", true) == true) + Fix = new pkgProblemResolver(Cache); static const unsigned short MOD_REMOVE = 1; static const unsigned short MOD_INSTALL = 2; @@ -1791,6 +1830,8 @@ bool DoInstall(CommandLine &CmdL) if (_error->PendingError() == true) { helper.showVirtualPackageErrors(Cache); + if (Fix != NULL) + delete Fix; return false; } @@ -1805,17 +1846,29 @@ bool DoInstall(CommandLine &CmdL) for (unsigned short i = 0; order[i] != 0; ++i) { - if (order[i] == MOD_INSTALL) { + 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) + { + for (unsigned short i = 0; order[i] != 0; ++i) + { + if (order[i] != MOD_INSTALL) + continue; InstallAction.propergateReleaseCandiateSwitching(helper.selectedByRelease, c0out); InstallAction.doAutoInstall(); } - else if (order[i] == MOD_REMOVE) - RemoveAction = std::for_each(verset[MOD_REMOVE].begin(), verset[MOD_REMOVE].end(), RemoveAction); } if (_error->PendingError() == true) + { + if (Fix != NULL) + delete Fix; 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 @@ -1824,14 +1877,19 @@ bool DoInstall(CommandLine &CmdL) { c1out << _("You might want to run 'apt-get -f install' to correct these:") << endl; ShowBroken(c1out,Cache,false); - + if (Fix != NULL) + delete Fix; return _error->Error(_("Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).")); } - - // Call the scored problem resolver - Fix.InstallProtect(); - if (Fix.Resolve(true) == false) - _error->Discard(); + + if (Fix != NULL) + { + // Call the scored problem resolver + Fix->InstallProtect(); + if (Fix->Resolve(true) == false) + _error->Discard(); + delete Fix; + } // Now we check the state of the packages, if (Cache->BrokenCount() != 0) @@ -1873,8 +1931,6 @@ bool DoInstall(CommandLine &CmdL) if ((*Cache)[I].Install() == false) continue; pkgCache::VerIterator Cand = Cache[I].CandidateVerIter(Cache); - if (Cand.Pseudo() == true) - continue; if (verset[MOD_INSTALL].find(Cand) != verset[MOD_INSTALL].end()) continue; @@ -1994,8 +2050,8 @@ bool DoInstall(CommandLine &CmdL) return InstallPackages(Cache,false); } - -/* mark packages as automatically/manually installed. */ + /*}}}*/ +/* mark packages as automatically/manually installed. {{{*/ bool DoMarkAuto(CommandLine &CmdL) { bool Action = true; @@ -2030,6 +2086,9 @@ bool DoMarkAuto(CommandLine &CmdL) AutoMarkChanged++; } } + + _error->Notice(_("This command is deprecated. Please use 'apt-mark auto' and 'apt-mark manual' instead.")); + if (AutoMarkChanged && ! _config->FindB("APT::Get::Simulate",false)) return Cache->writeStateFile(NULL); return false; @@ -2208,13 +2267,15 @@ bool DoDownload(CommandLine &CmdL) APT::CacheSetHelper helper(c0out); APT::VersionSet verset = APT::VersionSet::FromCommandLine(Cache, CmdL.FileList + 1, APT::VersionSet::CANDIDATE, helper); - pkgAcquire Fetcher; - AcqTextStatus Stat(ScreenWidth, _config->FindI("quiet",0)); - Fetcher.Setup(&Stat); if (verset.empty() == true) return false; + pkgAcquire Fetcher; + AcqTextStatus Stat(ScreenWidth, _config->FindI("quiet",0)); + if (_config->FindB("APT::Get::Print-URIs") == true) + Fetcher.Setup(&Stat); + pkgRecords Recs(Cache); pkgSourceList *SrcList = Cache.GetSourceList(); for (APT::VersionSet::const_iterator Ver = verset.begin(); @@ -2245,9 +2306,18 @@ bool DoDownload(CommandLine &CmdL) // get the file new pkgAcqFile(&Fetcher, uri, hash.toStr(), (*Ver)->Size, descr, Pkg.Name(), "."); } - bool result = (Fetcher.Run() == pkgAcquire::Continue); - return result; + // Just print out the uris and 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++) + cout << '\'' << I->URI << "' " << flNotDir(I->Owner->DestFile) << ' ' << + I->Owner->FileSize << ' ' << I->Owner->HashSum() << endl; + return true; + } + + return (Fetcher.Run() == pkgAcquire::Continue); } /*}}}*/ // DoCheck - Perform the check operation /*{{{*/ @@ -2296,8 +2366,7 @@ bool DoSource(CommandLine &CmdL) // Create the download object AcqTextStatus Stat(ScreenWidth,_config->FindI("quiet",0)); pkgAcquire Fetcher; - if (Fetcher.Setup(&Stat) == false) - return false; + Fetcher.SetLog(&Stat); DscFile *Dsc = new DscFile[CmdL.FileSize()]; @@ -2319,8 +2388,10 @@ bool DoSource(CommandLine &CmdL) string Src; pkgSrcRecords::Parser *Last = FindSrc(*I,Recs,SrcRecs,Src,*Cache); - if (Last == 0) + if (Last == 0) { + delete[] Dsc; return _error->Error(_("Unable to find a source package for %s"),Src.c_str()); + } string srec = Last->AsStr(); string::size_type pos = srec.find("\nVcs-"); @@ -2351,8 +2422,10 @@ bool DoSource(CommandLine &CmdL) // Back track vector Lst; - if (Last->Files(Lst) == false) + if (Last->Files(Lst) == false) { + delete[] Dsc; return false; + } // Load them into the fetcher for (vector::const_iterator I = Lst.begin(); @@ -2413,6 +2486,7 @@ bool DoSource(CommandLine &CmdL) struct statvfs Buf; string OutputDir = "."; if (statvfs(OutputDir.c_str(),&Buf) != 0) { + delete[] Dsc; if (errno == EOVERFLOW) return _error->WarningE("statvfs",_("Couldn't determine free space in %s"), OutputDir.c_str()); @@ -2426,10 +2500,12 @@ bool DoSource(CommandLine &CmdL) #if HAVE_STRUCT_STATFS_F_TYPE || unsigned(Stat.f_type) != RAMFS_MAGIC #endif - ) + ) { + delete[] Dsc; return _error->Error(_("You don't have enough free space in %s"), OutputDir.c_str()); - } + } + } // Number of bytes if (DebBytes != FetchBytes) @@ -2464,7 +2540,10 @@ bool DoSource(CommandLine &CmdL) // Run it if (Fetcher.Run() == pkgAcquire::Failed) + { + delete[] Dsc; return false; + } // Print error messages bool Failed = false; @@ -2479,8 +2558,11 @@ bool DoSource(CommandLine &CmdL) Failed = true; } if (Failed == true) + { + delete[] Dsc; return _error->Error(_("Failed to fetch some archives.")); - + } + if (_config->FindB("APT::Get::Download-only",false) == true) { c1out << _("Download complete and in download only mode") << endl; @@ -2571,6 +2653,9 @@ bool DoSource(CommandLine &CmdL) bool DoBuildDep(CommandLine &CmdL) { CacheFile Cache; + + _config->Set("APT::Install-Recommends", false); + if (Cache.Open(true) == false) return false; @@ -2640,6 +2725,16 @@ bool DoBuildDep(CommandLine &CmdL) if (skipAlternatives == true) { + /* + * if there are alternatives, we've already picked one, so skip + * the rest + * + * TODO: this means that if there's a build-dep on A|B and B is + * installed, we'll still try to install A; more importantly, + * if A is currently broken, we cannot go back and try B. To fix + * this would require we do a Resolve cycle for each package we + * add to the install list. Ugh + */ if (!hasAlternatives) skipAlternatives = false; // end of or group continue; @@ -2648,27 +2743,29 @@ bool DoBuildDep(CommandLine &CmdL) if ((*D).Type == pkgSrcRecords::Parser::BuildConflict || (*D).Type == pkgSrcRecords::Parser::BuildConflictIndep) { - pkgCache::PkgIterator Pkg = Cache->FindPkg((*D).Package); + pkgCache::GrpIterator Grp = Cache->FindGrp((*D).Package); // Build-conflicts on unknown packages are silently ignored - if (Pkg.end() == true) + if (Grp.end() == true) continue; - pkgCache::VerIterator IV = (*Cache)[Pkg].InstVerIter(*Cache); - - /* - * Remove if we have an installed version that satisfies the - * version criteria - */ - if (IV.end() == false && - Cache->VS().CheckDep(IV.VerStr(),(*D).Op,(*D).Version.c_str()) == true) - TryToInstallBuildDep(Pkg,Cache,Fix,true,false); + for (pkgCache::PkgIterator Pkg = Grp.PackageList(); Pkg.end() == false; Pkg = Grp.NextPkg(Pkg)) + { + pkgCache::VerIterator IV = (*Cache)[Pkg].InstVerIter(*Cache); + /* + * Remove if we have an installed version that satisfies the + * version criteria + */ + if (IV.end() == false && + Cache->VS().CheckDep(IV.VerStr(),(*D).Op,(*D).Version.c_str()) == true) + TryToInstallBuildDep(Pkg,Cache,Fix,true,false); + } } else // BuildDep || BuildDepIndep { - pkgCache::PkgIterator Pkg = Cache->FindPkg((*D).Package); if (_config->FindB("Debug::BuildDeps",false) == true) cout << "Looking for " << (*D).Package << "...\n"; + pkgCache::PkgIterator Pkg = Cache->FindPkg((*D).Package); if (Pkg.end() == true) { if (_config->FindB("Debug::BuildDeps",false) == true) @@ -2683,96 +2780,74 @@ bool DoBuildDep(CommandLine &CmdL) (*D).Package.c_str()); } - /* - * if there are alternatives, we've already picked one, so skip - * the rest - * - * TODO: this means that if there's a build-dep on A|B and B is - * installed, we'll still try to install A; more importantly, - * if A is currently broken, we cannot go back and try B. To fix - * this would require we do a Resolve cycle for each package we - * add to the install list. Ugh - */ - - /* - * If this is a virtual package, we need to check the list of - * packages that provide it and see if any of those are - * installed - */ - pkgCache::PrvIterator Prv = Pkg.ProvidesList(); - for (; Prv.end() != true; Prv++) + pkgCache::VerIterator IV = (*Cache)[Pkg].InstVerIter(*Cache); + if (IV.end() == false) { - if (_config->FindB("Debug::BuildDeps",false) == true) - cout << " Checking provider " << Prv.OwnerPkg().FullName() << endl; + if (_config->FindB("Debug::BuildDeps",false) == true) + cout << " Is installed\n"; - if ((*Cache)[Prv.OwnerPkg()].InstVerIter(*Cache).end() == false) - break; - } - - // Get installed version and version we are going to install - pkgCache::VerIterator IV = (*Cache)[Pkg].InstVerIter(*Cache); + if (D->Version.empty() == true || + Cache->VS().CheckDep(IV.VerStr(),(*D).Op,(*D).Version.c_str()) == true) + { + skipAlternatives = hasAlternatives; + continue; + } - if ((*D).Version[0] != '\0') { - // Versioned dependency - - pkgCache::VerIterator CV = (*Cache)[Pkg].CandidateVerIter(*Cache); - - for (; CV.end() != true; CV++) - { - if (Cache->VS().CheckDep(CV.VerStr(),(*D).Op,(*D).Version.c_str()) == true) - break; - } - if (CV.end() == true) - { - if (hasAlternatives) - { - continue; - } - else - { - return _error->Error(_("%s dependency for %s cannot be satisfied " - "because no available versions of package %s " - "can satisfy version requirements"), - Last->BuildDepType((*D).Type),Src.c_str(), - (*D).Package.c_str()); - } - } - } - else - { - // Only consider virtual packages if there is no versioned dependency - if (Prv.end() == false) - { - if (_config->FindB("Debug::BuildDeps",false) == true) - cout << " Is provided by installed package " << Prv.OwnerPkg().FullName() << endl; - skipAlternatives = hasAlternatives; - continue; - } - } + if (_config->FindB("Debug::BuildDeps",false) == true) + cout << " ...but the installed version doesn't meet the version requirement\n"; - if (IV.end() == false) - { - if (_config->FindB("Debug::BuildDeps",false) == true) - cout << " Is installed\n"; + if (((*D).Op & pkgCache::Dep::LessEq) == pkgCache::Dep::LessEq) + return _error->Error(_("Failed to satisfy %s dependency for %s: Installed package %s is too new"), + Last->BuildDepType((*D).Type), Src.c_str(), Pkg.FullName(true).c_str()); + } - if (Cache->VS().CheckDep(IV.VerStr(),(*D).Op,(*D).Version.c_str()) == true) - { - skipAlternatives = hasAlternatives; - continue; - } + // Only consider virtual packages if there is no versioned dependency + if ((*D).Version.empty() == true) + { + /* + * If this is a virtual package, we need to check the list of + * packages that provide it and see if any of those are + * installed + */ + pkgCache::PrvIterator Prv = Pkg.ProvidesList(); + for (; Prv.end() != true; Prv++) + { + if (_config->FindB("Debug::BuildDeps",false) == true) + cout << " Checking provider " << Prv.OwnerPkg().FullName() << endl; - if (_config->FindB("Debug::BuildDeps",false) == true) - cout << " ...but the installed version doesn't meet the version requirement\n"; - - if (((*D).Op & pkgCache::Dep::LessEq) == pkgCache::Dep::LessEq) - { - return _error->Error(_("Failed to satisfy %s dependency for %s: Installed package %s is too new"), - Last->BuildDepType((*D).Type), - Src.c_str(), - Pkg.FullName(true).c_str()); - } - } + if ((*Cache)[Prv.OwnerPkg()].InstVerIter(*Cache).end() == false) + break; + } + if (Prv.end() == false) + { + if (_config->FindB("Debug::BuildDeps",false) == true) + cout << " Is provided by installed package " << Prv.OwnerPkg().FullName() << endl; + skipAlternatives = hasAlternatives; + continue; + } + } + else // versioned dependency + { + pkgCache::VerIterator CV = (*Cache)[Pkg].CandidateVerIter(*Cache); + if (CV.end() == true || + Cache->VS().CheckDep(CV.VerStr(),(*D).Op,(*D).Version.c_str()) == false) + { + if (hasAlternatives) + continue; + else if (CV.end() == false) + return _error->Error(_("%s dependency for %s cannot be satisfied " + "because candidate version of package %s " + "can't satisfy version requirements"), + Last->BuildDepType(D->Type), Src.c_str(), + D->Package.c_str()); + else + return _error->Error(_("%s dependency for %s cannot be satisfied " + "because package %s has no candidate version"), + Last->BuildDepType(D->Type), Src.c_str(), + D->Package.c_str()); + } + } if (_config->FindB("Debug::BuildDeps",false) == true) cout << " Trying to install " << (*D).Package << endl; @@ -3101,8 +3176,6 @@ bool ShowHelp(CommandLine &CmdL) " clean - Erase downloaded archive files\n" " autoclean - Erase old downloaded archive files\n" " check - Verify that there are no broken dependencies\n" - " markauto - Mark the given packages as automatically installed\n" - " unmarkauto - Mark the given packages as manually installed\n" " changelog - Download and display the changelog for the given package\n" " download - Download the binary package into the current directory\n" "\n" @@ -3184,6 +3257,7 @@ int main(int argc,const char *argv[]) /*{{{*/ {0,"auto-remove","APT::Get::AutomaticRemove",0}, {0,"allow-unauthenticated","APT::Get::AllowUnauthenticated",0}, {0,"install-recommends","APT::Install-Recommends",CommandLine::Boolean}, + {0,"install-suggests","APT::Install-Suggests",CommandLine::Boolean}, {0,"fix-policy","APT::Get::Fix-Policy-Broken",0}, {'c',"config-file",0,CommandLine::ConfigFile}, {'o',"option",0,CommandLine::ArbItem}, @@ -3236,7 +3310,10 @@ int main(int argc,const char *argv[]) /*{{{*/ } // simulate user-friendly if apt-get has no root privileges - if (getuid() != 0 && _config->FindB("APT::Get::Simulate") == true) + if (getuid() != 0 && _config->FindB("APT::Get::Simulate") == true && + (CmdL.FileSize() == 0 || + (strcmp(CmdL.FileList[0], "source") != 0 && strcmp(CmdL.FileList[0], "download") != 0 && + strcmp(CmdL.FileList[0], "changelog") != 0))) { if (_config->FindB("APT::Get::Show-User-Simulation-Note",true) == true) cout << _("NOTE: This is only a simulation!\n"