X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/549edd163e34a50091623b47881f2eefbdc53aca..8f8ed8f4e50fd98aa43ee69971cac8bda55760f1:/apt-pkg/policy.cc diff --git a/apt-pkg/policy.cc b/apt-pkg/policy.cc index 479cf3935..4fc272a74 100644 --- a/apt-pkg/policy.cc +++ b/apt-pkg/policy.cc @@ -16,7 +16,7 @@ 990 = Config file override package files 989 = Start for preference auto-priorities 500 = Default package files - 100 = The status file + 100 = The status file and ButAutomaticUpgrades sources 0 -> 100 = NotAutomatic sources like experimental -inf -> 0 = Never selected @@ -45,6 +45,8 @@ using namespace std; file matches the V0 policy engine. */ pkgPolicy::pkgPolicy(pkgCache *Owner) : Pins(0), PFPriority(0), Cache(Owner) { + if (Owner == 0 || &(Owner->Head()) == 0) + return; PFPriority = new signed short[Owner->Head().PackageFileCount]; Pins = new Pin[Owner->Head().PackageCount]; @@ -70,9 +72,10 @@ bool pkgPolicy::InitDefaults() PFPriority[I->ID] = 500; if ((I->Flags & pkgCache::Flag::NotSource) == pkgCache::Flag::NotSource) PFPriority[I->ID] = 100; - else - if ((I->Flags & pkgCache::Flag::NotAutomatic) == pkgCache::Flag::NotAutomatic) - PFPriority[I->ID] = 1; + else if ((I->Flags & pkgCache::Flag::ButAutomaticUpgrades) == pkgCache::Flag::ButAutomaticUpgrades) + PFPriority[I->ID] = 100; + else if ((I->Flags & pkgCache::Flag::NotAutomatic) == pkgCache::Flag::NotAutomatic) + PFPriority[I->ID] = 1; } // Apply the defaults.. @@ -115,7 +118,7 @@ bool pkgPolicy::InitDefaults() // --------------------------------------------------------------------- /* Evaluate the package pins and the default list to deteremine what the best package is. */ -pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator Pkg) +pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator const &Pkg) { // Look for a package pin and evaluate it. signed Max = GetPriority(Pkg); @@ -147,6 +150,9 @@ pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator Pkg) */ for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() == false; Ver++) { + /* Lets see if this version is the installed version */ + bool instVer = (Pkg.CurrentVer() == Ver); + for (pkgCache::VerFileIterator VF = Ver.FileList(); VF.end() == false; VF++) { /* If this is the status file, and the current version is not the @@ -155,9 +161,9 @@ pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator Pkg) out bogus entries that may be due to config-file states, or other. */ if ((VF.File()->Flags & pkgCache::Flag::NotSource) == pkgCache::Flag::NotSource && - Pkg.CurrentVer() != Ver) + instVer == false) continue; - + signed Prio = PFPriority[VF.File()->ID]; if (Prio > Max) { @@ -171,7 +177,7 @@ pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator Pkg) } } - if (Pkg.CurrentVer() == Ver && Max < 1000) + if (instVer == true && Max < 1000) { /* Elevate our current selection (or the status file itself) to the Pseudo-status priority. */ @@ -189,6 +195,7 @@ pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator Pkg) // will always be a candidate (Closes: #512318) if (!Pref.IsGood() && MaxAlt > 0) Pref = PrefAlt; + return Pref; } /*}}}*/ @@ -209,10 +216,22 @@ void pkgPolicy::CreatePin(pkgVersionMatch::MatchType Type,string Name, P->Data = Data; return; } + + // Allow pinning by wildcards + // TODO: Maybe we should always prefer specific pins over non- + // specific ones. + if (Name[0] == '/' || Name.find_first_of("*[?") != string::npos) + { + pkgVersionMatch match(Data, Type); + for (pkgCache::GrpIterator G = Cache->GrpBegin(); G.end() != true; ++G) + if (match.ExpressionMatches(Name, G.Name())) + CreatePin(Type, G.Name(), Data, Priority); + return; + } // Get a spot to put the pin pkgCache::GrpIterator Grp = Cache->FindGrp(Name); - for (pkgCache::PkgIterator Pkg = Grp.FindPkg("any"); + for (pkgCache::PkgIterator Pkg = Grp.PackageList(); Pkg.end() != true; Pkg = Grp.NextPkg(Pkg)) { Pin *P = 0; @@ -238,15 +257,14 @@ void pkgPolicy::CreatePin(pkgVersionMatch::MatchType Type,string Name, // Policy::GetMatch - Get the matching version for a package pin /*{{{*/ // --------------------------------------------------------------------- /* */ -pkgCache::VerIterator pkgPolicy::GetMatch(pkgCache::PkgIterator Pkg) +pkgCache::VerIterator pkgPolicy::GetMatch(pkgCache::PkgIterator const &Pkg) { const Pin &PPkg = Pins[Pkg->ID]; - if (PPkg.Type != pkgVersionMatch::None) - { - pkgVersionMatch Match(PPkg.Data,PPkg.Type); - return Match.Find(Pkg); - } - return pkgCache::VerIterator(*Pkg.Cache()); + if (PPkg.Type == pkgVersionMatch::None) + return pkgCache::VerIterator(*Pkg.Cache()); + + pkgVersionMatch Match(PPkg.Data,PPkg.Type); + return Match.Find(Pkg); } /*}}}*/ // Policy::GetPriority - Get the priority of the package pin /*{{{*/ @@ -263,6 +281,10 @@ signed short pkgPolicy::GetPriority(pkgCache::PkgIterator const &Pkg) } return 0; +} +signed short pkgPolicy::GetPriority(pkgCache::PkgFileIterator const &File) +{ + return PFPriority[File->ID]; } /*}}}*/ // PreferenceSection class - Overriding the default TrimRecord method /*{{{*/ @@ -291,9 +313,9 @@ bool ReadPinDir(pkgPolicy &Plcy,string Dir) if (Dir.empty() == true) Dir = _config->FindDir("Dir::Etc::PreferencesParts"); - if (FileExists(Dir) == false) + if (DirectoryExists(Dir) == false) { - _error->WarningE("FileExists",_("Unable to read %s"),Dir.c_str()); + _error->WarningE("DirectoryExists",_("Unable to read %s"),Dir.c_str()); return true; } @@ -317,7 +339,7 @@ bool ReadPinFile(pkgPolicy &Plcy,string File) if (File.empty() == true) File = _config->FindFile("Dir::Etc::Preferences"); - if (FileExists(File) == false) + if (RealFileExists(File) == false) return true; FileFd Fd(File,FileFd::ReadOnly);