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-rw-r--r--apt-private/private-cachefile.cc118
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 000000000..77090f8eb
--- /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/upgrade.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/depcache.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheset.h>
+
+#include <apt-private/private-output.h>
+#include <apt-private/private-cachefile.h>
+
+#include <string.h>
+#include <ostream>
+#include <cstdlib>
+
+#include <apti18n.h>
+ /*}}}*/
+
+using namespace std;
+
+static bool SortPackagesByName(pkgCache * const Owner,
+ map_pointer_t const A, map_pointer_t 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_t> 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;
+}
+ /*}}}*/