X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/0eb4af9d3d0c524c7afdc684238aa263ac287449..05f64ca2e483709faa6bc69dfa79129d2d4c679e:/apt-pkg/packagemanager.cc diff --git a/apt-pkg/packagemanager.cc b/apt-pkg/packagemanager.cc index 393f836f7..d137dc75a 100644 --- a/apt-pkg/packagemanager.cc +++ b/apt-pkg/packagemanager.cc @@ -28,6 +28,7 @@ #include #include #include +#include #include #include @@ -372,6 +373,8 @@ 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; ) { @@ -383,7 +386,8 @@ bool pkgPackageManager::SmartConfigure(PkgIterator Pkg, int const Depth) 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(); @@ -396,7 +400,8 @@ 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; @@ -409,8 +414,60 @@ 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 " << 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 " << Start.TargetPkg() << std::endl; + continue; + } + + // Check for dependencies that have not been unpacked, + // probably due to loops. + for (DepIterator Cur = Start; true; ++Cur) + { + SPtrArray VList = Cur.AllTargets(); + + for (Version **I = VList; *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 " << 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 { @@ -419,6 +476,8 @@ bool pkgPackageManager::SmartConfigure(PkgIterator Pkg, int const Depth) 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; } @@ -435,6 +494,7 @@ 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 { @@ -674,7 +734,8 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate, int c // 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) @@ -696,8 +757,11 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate, int c 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)) @@ -709,6 +773,16 @@ 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) @@ -795,7 +869,7 @@ 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; + clog << OutputInDepth(Depth) << "Avoidance unpack of " << ConflictPkg.FullName() << " failed for " << End << " ignoring:" << std::endl; _error->DumpErrors(std::clog); } _error->RevertToStack(); @@ -1011,7 +1085,7 @@ pkgPackageManager::OrderResult pkgPackageManager::OrderInstall() // PM::DoInstallPostFork - compat /*{{{*/ // --------------------------------------------------------------------- /*}}}*/ -#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13) +#if APT_PKG_ABI >= 413 pkgPackageManager::OrderResult pkgPackageManager::DoInstallPostFork(int statusFd) { @@ -1032,7 +1106,7 @@ pkgPackageManager::DoInstallPostFork(APT::Progress::PackageManager *progress) return Failed; return Res; -}; +} #else pkgPackageManager::OrderResult pkgPackageManager::DoInstallPostFork(int statusFd) @@ -1048,7 +1122,7 @@ pkgPackageManager::DoInstallPostFork(int statusFd) // PM::DoInstall - Does the installation /*{{{*/ // --------------------------------------------------------------------- /* compat */ -#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13) +#if APT_PKG_ABI >= 413 pkgPackageManager::OrderResult pkgPackageManager::DoInstall(int statusFd) { @@ -1072,7 +1146,7 @@ pkgPackageManager::OrderResult pkgPackageManager::DoInstall(int statusFd) // --------------------------------------------------------------------- /* 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) +#if APT_PKG_ABI >= 413 pkgPackageManager::OrderResult pkgPackageManager::DoInstall(APT::Progress::PackageManager *progress) {