diff options
Diffstat (limited to '')
| -rw-r--r-- | apt-private/private-cachefile.cc | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/apt-private/private-cachefile.cc b/apt-private/private-cachefile.cc new file mode 100644 index 0000000..d46f2ac --- /dev/null +++ b/apt-private/private-cachefile.cc @@ -0,0 +1,118 @@ +// Include files /*{{{*/ +#include <config.h> + +#include <apt-pkg/algorithms.h> +#include <apt-pkg/cacheset.h> +#include <apt-pkg/configuration.h> +#include <apt-pkg/depcache.h> +#include <apt-pkg/error.h> +#include <apt-pkg/pkgcache.h> +#include <apt-pkg/upgrade.h> + +#include <apt-private/private-cachefile.h> +#include <apt-private/private-output.h> + +#include <cstdlib> +#include <cstring> +#include <ostream> + +#include <apti18n.h> + /*}}}*/ + +using namespace std; + +static bool SortPackagesByName(pkgCache * const Owner, + map_pointer<pkgCache::Group> const A, map_pointer<pkgCache::Group> const B) +{ + if (A == 0) + return false; + if (B == 0 || A == B) + return true; + pkgCache::Group const * const GA = Owner->GrpP + A; + pkgCache::Group const * const GB = Owner->GrpP + B; + return strcmp(Owner->StrP + GA->Name, Owner->StrP + GB->Name) <= 0; +} +SortedPackageUniverse::SortedPackageUniverse(CacheFile &Cache) : + PackageUniverse{Cache}, List(Cache.UniverseList) +{ +} +void SortedPackageUniverse::LazyInit() const +{ + if (List.empty() == false) + return; + pkgCache * const Owner = data(); + // In Multi-Arch systems Grps are easier to sort than Pkgs + std::vector<map_pointer<pkgCache::Group>> GrpList; + List.reserve(Owner->Head().GroupCount); + for (pkgCache::GrpIterator I{Owner->GrpBegin()}; I.end() != true; ++I) + GrpList.emplace_back(I - Owner->GrpP); + std::stable_sort(GrpList.begin(), GrpList.end(), std::bind( &SortPackagesByName, Owner, std::placeholders::_1, std::placeholders::_2 )); + List.reserve(Owner->Head().PackageCount); + for (auto G : GrpList) + { + pkgCache::GrpIterator const Grp(*Owner, Owner->GrpP + G); + for (pkgCache::PkgIterator P = Grp.PackageList(); P.end() != true; P = Grp.NextPkg(P)) + List.emplace_back(P - Owner->PkgP); + } +} +// CacheFile::CheckDeps - Open the cache file /*{{{*/ +// --------------------------------------------------------------------- +/* This routine generates the caches and then opens the dependency cache + and verifies that the system is OK. */ +bool CacheFile::CheckDeps(bool AllowBroken) +{ + bool FixBroken = _config->FindB("APT::Get::Fix-Broken",false); + + if (_error->PendingError() == true) + return false; + + // Check that the system is OK + if (DCache->DelCount() != 0 || DCache->InstCount() != 0) + return _error->Error("Internal error, non-zero counts"); + + // Apply corrections for half-installed packages + if (pkgApplyStatus(*DCache) == false) + return false; + + if (_config->FindB("APT::Get::Fix-Policy-Broken",false) == true) + { + FixBroken = true; + if ((DCache->PolicyBrokenCount() > 0)) + { + // upgrade all policy-broken packages with ForceImportantDeps=True + for (pkgCache::PkgIterator I = Cache->PkgBegin(); !I.end(); ++I) + if ((*DCache)[I].NowPolicyBroken() == true) + DCache->MarkInstall(I,true,0, false, true); + } + } + + // Nothing is broken + if (DCache->BrokenCount() == 0 || AllowBroken == true) + return true; + + // Attempt to fix broken things + if (FixBroken == true) + { + c1out << _("Correcting dependencies...") << flush; + if (pkgFixBroken(*DCache) == false || DCache->BrokenCount() != 0) + { + c1out << _(" failed.") << endl; + ShowBroken(c1out,*this,true); + + return _error->Error(_("Unable to correct dependencies")); + } + if (pkgMinimizeUpgrade(*DCache) == false) + return _error->Error(_("Unable to minimize the upgrade set")); + + c1out << _(" Done") << endl; + } + else + { + c1out << _("You might want to run 'apt --fix-broken install' to correct these.") << endl; + ShowBroken(c1out,*this,true); + return _error->Error(_("Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution).")); + } + + return true; +} + /*}}}*/ |