X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/2830b8436ac8a6f2f3dac4ce2cd030c24eebce04..b90faf2486b977aef0183e38a7f9c535a8a61a34:/apt-pkg/packagemanager.cc diff --git a/apt-pkg/packagemanager.cc b/apt-pkg/packagemanager.cc index d9df28ba3..77a6b0e57 100644 --- a/apt-pkg/packagemanager.cc +++ b/apt-pkg/packagemanager.cc @@ -6,7 +6,7 @@ Package Manager - Abstacts the package manager More work is needed in the area of transitioning provides, ie exim - replacing smail. This can cause interesing side effects. + replacing smail. This can cause interesting side effects. Other cases involving conflicts+replaces should be tested. @@ -23,12 +23,12 @@ #include #include #include -#include #include #include #include #include #include +#include #include #include @@ -45,7 +45,7 @@ bool pkgPackageManager::SigINTStop = false; // --------------------------------------------------------------------- /* */ pkgPackageManager::pkgPackageManager(pkgDepCache *pCache) : Cache(*pCache), - List(NULL), Res(Incomplete) + List(NULL), Res(Incomplete), d(NULL) { FileNames = new string[Cache.Head().PackageCount]; Debug = _config->FindB("Debug::pkgPackageManager",false); @@ -137,7 +137,7 @@ bool pkgPackageManager::FixMissing() // PM::ImmediateAdd - Add the immediate flag recursivly /*{{{*/ // --------------------------------------------------------------------- /* This adds the immediate flag to the pkg and recursively to the - dependendies + dependencies */ void pkgPackageManager::ImmediateAdd(PkgIterator I, bool UseInstallVer, unsigned const int &Depth) { @@ -160,7 +160,7 @@ void pkgPackageManager::ImmediateAdd(PkgIterator I, bool UseInstallVer, unsigned if(!List->IsFlag(D.TargetPkg(), pkgOrderList::Immediate)) { if(Debug) - clog << OutputInDepth(Depth) << "ImmediateAdd(): Adding Immediate flag to " << D.TargetPkg() << " cause of " << D.DepType() << " " << I.FullName() << endl; + clog << OutputInDepth(Depth) << "ImmediateAdd(): Adding Immediate flag to " << APT::PrettyPkg(&Cache, D.TargetPkg()) << " cause of " << D.DepType() << " " << I.FullName() << endl; List->Flag(D.TargetPkg(),pkgOrderList::Immediate); ImmediateAdd(D.TargetPkg(), UseInstallVer, Depth + 1); } @@ -190,7 +190,7 @@ bool pkgPackageManager::CreateOrderList() if (I->VersionList == 0) continue; - // Mark the package and its dependends for immediate configuration + // Mark the package and its dependents for immediate configuration if ((((I->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential) && NoImmConfigure == false) || ImmConfigureAll) { @@ -269,6 +269,33 @@ bool pkgPackageManager::CheckRConflicts(PkgIterator Pkg,DepIterator D, return true; } /*}}}*/ +// PM::CheckRBreaks - Look for reverse breaks /*{{{*/ +bool pkgPackageManager::CheckRBreaks(PkgIterator const &Pkg, DepIterator D, + const char * const Ver) +{ + for (;D.end() == false; ++D) + { + if (D->Type != pkgCache::Dep::DpkgBreaks) + continue; + + PkgIterator const DP = D.ParentPkg(); + if (Cache[DP].Delete() == false) + continue; + + // Ignore self conflicts, ignore conflicts from irrelevant versions + if (D.IsIgnorable(Pkg) || D.ParentVer() != DP.CurrentVer()) + continue; + + if (Cache.VS().CheckDep(Ver, D->CompareOp, D.TargetVer()) == false) + continue; + + // no earlyremove() here as user has already agreed to the permanent removal + if (SmartRemove(DP) == false) + return _error->Error("Internal Error, Could not early remove %s (%d)",DP.FullName().c_str(), 4); + } + return true; +} + /*}}}*/ // PM::ConfigureAll - Run the all out configuration /*{{{*/ // --------------------------------------------------------------------- /* This configures every package. It is assumed they are all unpacked and @@ -373,6 +400,8 @@ bool pkgPackageManager::SmartConfigure(PkgIterator Pkg, int const Depth) std::list needConfigure; do { + // Check each dependency and see if anything needs to be done + // so that it can be configured Changed = false; for (DepIterator D = instVer.DependsList(); D.end() == false; ) { @@ -380,16 +409,17 @@ bool pkgPackageManager::SmartConfigure(PkgIterator Pkg, int const Depth) pkgCache::DepIterator Start, End; D.GlobOr(Start,End); - if (End->Type != pkgCache::Dep::Depends) + if (End->Type != pkgCache::Dep::Depends && End->Type != pkgCache::Dep::PreDepends) continue; Bad = true; - // Check for dependencies that have not been unpacked, probably due to loops. + // the first pass checks if we its all good, i.e. if we have + // to do anything at all for (DepIterator Cur = Start; true; ++Cur) { - SPtrArray VList = Cur.AllTargets(); + std::unique_ptr VList(Cur.AllTargets()); - for (Version **I = VList; *I != 0; ++I) + for (Version **I = VList.get(); *I != 0; ++I) { VerIterator Ver(Cache,*I); PkgIterator DepPkg = Ver.ParentPkg(); @@ -397,7 +427,8 @@ bool pkgPackageManager::SmartConfigure(PkgIterator Pkg, int const Depth) // Check if the current version of the package is available and will satisfy this dependency if (DepPkg.CurrentVer() == Ver && List->IsNow(DepPkg) == true && List->IsFlag(DepPkg,pkgOrderList::Removed) == false && - DepPkg.State() == PkgIterator::NeedsNothing) + DepPkg.State() == PkgIterator::NeedsNothing && + (Cache[DepPkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall) { Bad = false; break; @@ -410,16 +441,70 @@ bool pkgPackageManager::SmartConfigure(PkgIterator Pkg, int const Depth) if (PkgLoop == true) { if (Debug) - std::clog << OutputInDepth(Depth) << "Package " << Pkg << " loops in SmartConfigure" << std::endl; - Bad = false; + std::clog << OutputInDepth(Depth) << "Package " << APT::PrettyPkg(&Cache, Pkg) << " loops in SmartConfigure"; + if (List->IsFlag(DepPkg,pkgOrderList::UnPacked)) + Bad = false; + else if (Debug) + std::clog << ", but it isn't unpacked yet"; + if (Debug) + std::clog << std::endl; + } + } + + if (Cur == End || Bad == false) + break; + } + + // this dependency is in a good state, so we can stop + if (Bad == false) + { + if (Debug) + std::clog << OutputInDepth(Depth) << "Found ok dep " << APT::PrettyPkg(&Cache, Start.TargetPkg()) << std::endl; + continue; + } + + // Check for dependencies that have not been unpacked, + // probably due to loops. + for (DepIterator Cur = Start; true; ++Cur) + { + std::unique_ptr VList(Cur.AllTargets()); + + for (Version **I = VList.get(); *I != 0; ++I) + { + VerIterator Ver(Cache,*I); + PkgIterator DepPkg = Ver.ParentPkg(); + + // Check if the current version of the package is available and will satisfy this dependency + if (DepPkg.CurrentVer() == Ver && List->IsNow(DepPkg) == true && + List->IsFlag(DepPkg,pkgOrderList::Removed) == false && + DepPkg.State() == PkgIterator::NeedsNothing && + (Cache[DepPkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall) + continue; + + // Check if the version that is going to be installed will satisfy the dependency + if (Cache[DepPkg].InstallVer != *I || List->IsNow(DepPkg) == false) + continue; + + if (PkgLoop == true) + { + if (Debug) + std::clog << OutputInDepth(Depth) << "Package " << APT::PrettyPkg(&Cache, Pkg) << " loops in SmartConfigure"; + if (List->IsFlag(DepPkg,pkgOrderList::UnPacked)) + Bad = false; + else if (Debug) + std::clog << ", but it isn't unpacked yet"; + if (Debug) + std::clog << std::endl; } else { if (Debug) - clog << OutputInDepth(Depth) << "Unpacking " << DepPkg.FullName() << " to avoid loop " << Cur << endl; + clog << OutputInDepth(Depth) << "Unpacking " << DepPkg.FullName() << " to avoid loop " << APT::PrettyDep(&Cache, Cur) << endl; if (NonLoopingSmart(UNPACK_IMMEDIATE, Pkg, DepPkg, Depth, PkgLoop, &Bad, &Changed) == false) return false; } + // at this point we either unpacked a Dep or we are in a loop, + // no need to unpack a second one break; } @@ -436,6 +521,7 @@ bool pkgPackageManager::SmartConfigure(PkgIterator Pkg, int const Depth) return _error->Error("Internal error: MaxLoopCount reached in SmartUnPack (1) for %s, aborting", Pkg.FullName().c_str()); } while (Changed == true); + // now go over anything that needs configuring Bad = false, Changed = false, i = 0; do { @@ -449,16 +535,16 @@ bool pkgPackageManager::SmartConfigure(PkgIterator Pkg, int const Depth) Discard.GlobOr(Start,End); } - if (End->Type != pkgCache::Dep::Depends) + if (End->Type != pkgCache::Dep::Depends && End->Type != pkgCache::Dep::PreDepends) continue; Bad = true; // Search for dependencies which are unpacked but aren't configured yet (maybe loops) for (DepIterator Cur = Start; true; ++Cur) { - SPtrArray VList = Cur.AllTargets(); + std::unique_ptr VList(Cur.AllTargets()); - for (Version **I = VList; *I != 0; ++I) + for (Version **I = VList.get(); *I != 0; ++I) { VerIterator Ver(Cache,*I); PkgIterator DepPkg = Ver.ParentPkg(); @@ -476,7 +562,7 @@ bool pkgPackageManager::SmartConfigure(PkgIterator Pkg, int const Depth) break; } if (Debug) - std::clog << OutputInDepth(Depth) << "Configure already unpacked " << DepPkg << std::endl; + std::clog << OutputInDepth(Depth) << "Configure already unpacked " << APT::PrettyPkg(&Cache, DepPkg) << std::endl; if (NonLoopingSmart(CONFIGURE, Pkg, DepPkg, Depth, PkgLoop, &Bad, &Changed) == false) return false; break; @@ -494,7 +580,7 @@ bool pkgPackageManager::SmartConfigure(PkgIterator Pkg, int const Depth) if (Bad == true && Changed == false && Debug == true) - std::clog << OutputInDepth(Depth) << "Could not satisfy " << *D << std::endl; + std::clog << OutputInDepth(Depth) << "Could not satisfy " << APT::PrettyDep(&Cache, *D) << std::endl; } if (i++ > max_loops) return _error->Error("Internal error: MaxLoopCount reached in SmartUnPack (2) for %s, aborting", Pkg.FullName().c_str()); @@ -503,6 +589,14 @@ bool pkgPackageManager::SmartConfigure(PkgIterator Pkg, int const Depth) if (Bad == true) return _error->Error(_("Could not configure '%s'. "),Pkg.FullName().c_str()); + // Check for reverse conflicts. + if (CheckRBreaks(Pkg,Pkg.RevDependsList(), instVer.VerStr()) == false) + return false; + + for (PrvIterator P = instVer.ProvidesList(); P.end() == false; ++P) + if (Pkg->Group != P.OwnerPkg()->Group) + CheckRBreaks(Pkg,P.ParentPkg().RevDependsList(),P.ProvideVersion()); + if (PkgLoop) return true; static std::string const conf = _config->Find("PackageManager::Configure","all"); @@ -667,15 +761,16 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate, int c // Look for easy targets: packages that are already okay for (DepIterator Cur = Start; Bad == true; ++Cur) { - SPtrArray VList = Cur.AllTargets(); - for (Version **I = VList; *I != 0; ++I) + std::unique_ptr VList(Cur.AllTargets()); + for (Version **I = VList.get(); *I != 0; ++I) { VerIterator Ver(Cache,*I); PkgIterator Pkg = Ver.ParentPkg(); // See if the current version is ok if (Pkg.CurrentVer() == Ver && List->IsNow(Pkg) == true && - Pkg.State() == PkgIterator::NeedsNothing) + Pkg.State() == PkgIterator::NeedsNothing && + (Cache[Pkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall) { Bad = false; if (Debug) @@ -690,15 +785,18 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate, int c // Look for something that could be configured. for (DepIterator Cur = Start; Bad == true && Cur.end() == false; ++Cur) { - SPtrArray VList = Cur.AllTargets(); - for (Version **I = VList; *I != 0; ++I) + std::unique_ptr VList(Cur.AllTargets()); + for (Version **I = VList.get(); *I != 0; ++I) { VerIterator Ver(Cache,*I); PkgIterator DepPkg = Ver.ParentPkg(); // Not the install version - if (Cache[DepPkg].InstallVer != *I || - (Cache[DepPkg].Keep() == true && DepPkg.State() == PkgIterator::NeedsNothing)) + if (Cache[DepPkg].InstallVer != *I) + continue; + + if (Cache[DepPkg].Keep() == true && DepPkg.State() == PkgIterator::NeedsNothing && + (Cache[DepPkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall) continue; if (List->IsFlag(DepPkg,pkgOrderList::Configured)) @@ -710,6 +808,16 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate, int c // check if it needs unpack or if if configure is enough if (List->IsFlag(DepPkg,pkgOrderList::UnPacked) == false) { + // two packages pre-depending on each other can't be handled sanely + if (List->IsFlag(DepPkg,pkgOrderList::Loop) && PkgLoop) + { + // this isn't an error as there is potential for something else to satisfy it + // (like a provides or an or-group member) + if (Debug) + clog << OutputInDepth(Depth) << "Unpack loop detected between " << DepPkg.FullName() << " and " << Pkg.FullName() << endl; + continue; + } + if (Debug) clog << OutputInDepth(Depth) << "Trying to SmartUnpack " << DepPkg.FullName() << endl; if (NonLoopingSmart(UNPACK_IMMEDIATE, Pkg, DepPkg, Depth, PkgLoop, &Bad, &Changed) == false) @@ -733,29 +841,29 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate, int c End->Type == pkgCache::Dep::Obsoletes || End->Type == pkgCache::Dep::DpkgBreaks) { - SPtrArray VList = End.AllTargets(); - for (Version **I = VList; *I != 0; ++I) + std::unique_ptr VList(End.AllTargets()); + for (Version **I = VList.get(); *I != 0; ++I) { VerIterator Ver(Cache,*I); PkgIterator ConflictPkg = Ver.ParentPkg(); if (ConflictPkg.CurrentVer() != Ver) { if (Debug) - std::clog << OutputInDepth(Depth) << "Ignore not-installed version " << Ver.VerStr() << " of " << ConflictPkg.FullName() << " for " << End << std::endl; + std::clog << OutputInDepth(Depth) << "Ignore not-installed version " << Ver.VerStr() << " of " << ConflictPkg.FullName() << " for " << APT::PrettyDep(&Cache, End) << std::endl; continue; } if (List->IsNow(ConflictPkg) == false) { if (Debug) - std::clog << OutputInDepth(Depth) << "Ignore already dealt-with version " << Ver.VerStr() << " of " << ConflictPkg.FullName() << " for " << End << std::endl; + std::clog << OutputInDepth(Depth) << "Ignore already dealt-with version " << Ver.VerStr() << " of " << ConflictPkg.FullName() << " for " << APT::PrettyDep(&Cache, End) << std::endl; continue; } if (List->IsFlag(ConflictPkg,pkgOrderList::Removed) == true) { if (Debug) - clog << OutputInDepth(Depth) << "Ignoring " << End << " as " << ConflictPkg.FullName() << "was temporarily removed" << endl; + clog << OutputInDepth(Depth) << "Ignoring " << APT::PrettyDep(&Cache, End) << " as " << ConflictPkg.FullName() << "was temporarily removed" << endl; continue; } @@ -764,7 +872,7 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate, int c if (End->Type == pkgCache::Dep::DpkgBreaks && End.IsMultiArchImplicit() == true) { if (Debug) - clog << OutputInDepth(Depth) << "Because dependency is MultiArchImplicit we ignored looping on: " << ConflictPkg << endl; + clog << OutputInDepth(Depth) << "Because dependency is MultiArchImplicit we ignored looping on: " << APT::PrettyPkg(&Cache, ConflictPkg) << endl; continue; } if (Debug) @@ -775,7 +883,7 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate, int c clog << OutputInDepth(Depth) << "Because of conflict knot, removing " << ConflictPkg.FullName() << " temporarily" << endl; } if (EarlyRemove(ConflictPkg, &End) == false) - return _error->Error("Internal Error, Could not early remove %s (2)",ConflictPkg.FullName().c_str()); + return _error->Error("Internal Error, Could not early remove %s (%d)",ConflictPkg.FullName().c_str(), 3); SomethingBad = true; continue; } @@ -784,7 +892,7 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate, int c { if (Debug) { - clog << OutputInDepth(Depth) << "Unpacking " << ConflictPkg.FullName() << " to avoid " << End; + clog << OutputInDepth(Depth) << "Unpacking " << ConflictPkg.FullName() << " to avoid " << APT::PrettyDep(&Cache, End); if (PkgLoop == true) clog << " (Looping)"; clog << std::endl; @@ -796,28 +904,28 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate, int c // but if it fails ignore this failure and look for alternative ways of solving if (Debug) { - clog << OutputInDepth(Depth) << "Avoidance unpack of " << ConflictPkg.FullName() << " failed for " << End << std::endl; - _error->DumpErrors(std::clog); + clog << OutputInDepth(Depth) << "Avoidance unpack of " << ConflictPkg.FullName() << " failed for " << APT::PrettyDep(&Cache, End) << " ignoring:" << std::endl; + _error->DumpErrors(std::clog, GlobalError::DEBUG, false); } _error->RevertToStack(); // ignorance can only happen if a) one of the offenders is already gone if (List->IsFlag(ConflictPkg,pkgOrderList::Removed) == true) { if (Debug) - clog << OutputInDepth(Depth) << "But " << ConflictPkg.FullName() << " was temporarily removed in the meantime to satisfy " << End << endl; + clog << OutputInDepth(Depth) << "But " << ConflictPkg.FullName() << " was temporarily removed in the meantime to satisfy " << APT::PrettyDep(&Cache, End) << endl; } else if (List->IsFlag(Pkg,pkgOrderList::Removed) == true) { if (Debug) - clog << OutputInDepth(Depth) << "But " << Pkg.FullName() << " was temporarily removed in the meantime to satisfy " << End << endl; + clog << OutputInDepth(Depth) << "But " << Pkg.FullName() << " was temporarily removed in the meantime to satisfy " << APT::PrettyDep(&Cache, End) << endl; } // or b) we can make one go (removal or dpkg auto-deconfigure) else { if (Debug) - clog << OutputInDepth(Depth) << "So temprorary remove/deconfigure " << ConflictPkg.FullName() << " to satisfy " << End << endl; + clog << OutputInDepth(Depth) << "So temprorary remove/deconfigure " << ConflictPkg.FullName() << " to satisfy " << APT::PrettyDep(&Cache, End) << endl; if (EarlyRemove(ConflictPkg, &End) == false) - return _error->Error("Internal Error, Could not early remove %s (2)",ConflictPkg.FullName().c_str()); + return _error->Error("Internal Error, Could not early remove %s (%d)",ConflictPkg.FullName().c_str(), 2); } } else @@ -826,10 +934,10 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate, int c else { if (Debug) - clog << OutputInDepth(Depth) << "Removing " << ConflictPkg.FullName() << " now to avoid " << End << endl; + clog << OutputInDepth(Depth) << "Removing " << ConflictPkg.FullName() << " now to avoid " << APT::PrettyDep(&Cache, End) << endl; // no earlyremove() here as user has already agreed to the permanent removal if (SmartRemove(Pkg) == false) - return _error->Error("Internal Error, Could not early remove %s (1)",ConflictPkg.FullName().c_str()); + return _error->Error("Internal Error, Could not early remove %s (%d)",ConflictPkg.FullName().c_str(), 1); } } } @@ -844,7 +952,7 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate, int c if (couldBeTemporaryRemoved == true && List->IsFlag(Pkg,pkgOrderList::Removed) == true) { if (Debug) - std::clog << OutputInDepth(Depth) << "Prevent unpack as " << Pkg << " is currently temporarily removed" << std::endl; + std::clog << OutputInDepth(Depth) << "Prevent unpack as " << APT::PrettyPkg(&Cache, Pkg) << " is currently temporarily removed" << std::endl; return true; } @@ -1012,7 +1120,6 @@ pkgPackageManager::OrderResult pkgPackageManager::OrderInstall() // PM::DoInstallPostFork - compat /*{{{*/ // --------------------------------------------------------------------- /*}}}*/ -#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13) pkgPackageManager::OrderResult pkgPackageManager::DoInstallPostFork(int statusFd) { @@ -1032,24 +1139,12 @@ pkgPackageManager::DoInstallPostFork(APT::Progress::PackageManager *progress) if(goResult == false) return Failed; - return Res; -}; -#else -pkgPackageManager::OrderResult -pkgPackageManager::DoInstallPostFork(int statusFd) -{ - bool goResult = Go(statusFd); - if(goResult == false) - return Failed; - return Res; } -#endif /*}}}*/ // PM::DoInstall - Does the installation /*{{{*/ // --------------------------------------------------------------------- /* compat */ -#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13) pkgPackageManager::OrderResult pkgPackageManager::DoInstall(int statusFd) { @@ -1059,21 +1154,11 @@ pkgPackageManager::DoInstall(int statusFd) delete progress; return res; } -#else -pkgPackageManager::OrderResult pkgPackageManager::DoInstall(int statusFd) -{ - if(DoInstallPreFork() == Failed) - return Failed; - - return DoInstallPostFork(statusFd); -} -#endif /*}}}*/ // PM::DoInstall - Does the installation /*{{{*/ // --------------------------------------------------------------------- /* This uses the filenames in FileNames and the information in the DepCache to perform the installation of packages.*/ -#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13) pkgPackageManager::OrderResult pkgPackageManager::DoInstall(APT::Progress::PackageManager *progress) { @@ -1082,5 +1167,4 @@ pkgPackageManager::DoInstall(APT::Progress::PackageManager *progress) return DoInstallPostFork(progress); } -#endif /*}}}*/