diff options
Diffstat (limited to 'apt-pkg/depcache.cc')
| -rw-r--r-- | apt-pkg/depcache.cc | 121 |
1 files changed, 70 insertions, 51 deletions
diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc index b1b8f970f..e17b7b0e8 100644 --- a/apt-pkg/depcache.cc +++ b/apt-pkg/depcache.cc @@ -27,8 +27,8 @@ #include <sys/stat.h> #include <apti18n.h> - -// helper for Install-Recommends-Sections and Never-MarkAuto-Sections + /*}}}*/ +// helper for Install-Recommends-Sections and Never-MarkAuto-Sections /*{{{*/ static bool ConfigValueInSubTree(const char* SubTree, const char *needle) { @@ -47,8 +47,8 @@ ConfigValueInSubTree(const char* SubTree, const char *needle) } return false; } - -pkgDepCache::ActionGroup::ActionGroup(pkgDepCache &cache) : + /*}}}*/ +pkgDepCache::ActionGroup::ActionGroup(pkgDepCache &cache) : /*{{{*/ cache(cache), released(false) { ++cache.group_level; @@ -76,7 +76,7 @@ pkgDepCache::ActionGroup::~ActionGroup() { release(); } - + /*}}}*/ // DepCache::pkgDepCache - Constructors /*{{{*/ // --------------------------------------------------------------------- /* */ @@ -161,8 +161,7 @@ bool pkgDepCache::Init(OpProgress *Prog) return true; } /*}}}*/ - -bool pkgDepCache::readStateFile(OpProgress *Prog) +bool pkgDepCache::readStateFile(OpProgress *Prog) /*{{{*/ { FileFd state_file; string state = _config->FindDir("Dir::State") + "extended_states"; @@ -200,8 +199,8 @@ bool pkgDepCache::readStateFile(OpProgress *Prog) return true; } - -bool pkgDepCache::writeStateFile(OpProgress *prog, bool InstalledOnly) + /*}}}*/ +bool pkgDepCache::writeStateFile(OpProgress *prog, bool InstalledOnly) /*{{{*/ { if(_config->FindB("Debug::pkgAutoRemove",false)) std::clog << "pkgDepCache::writeStateFile()" << std::endl; @@ -283,7 +282,7 @@ bool pkgDepCache::writeStateFile(OpProgress *prog, bool InstalledOnly) return true; } - + /*}}}*/ // DepCache::CheckDep - Checks a single dependency /*{{{*/ // --------------------------------------------------------------------- /* This first checks the dependency against the main target package and @@ -701,9 +700,7 @@ void pkgDepCache::Update(PkgIterator const &Pkg) P.end() != true; P++) Update(P.ParentPkg().RevDependsList()); } - /*}}}*/ - // DepCache::MarkKeep - Put the package in the keep state /*{{{*/ // --------------------------------------------------------------------- /* */ @@ -750,7 +747,7 @@ void pkgDepCache::MarkKeep(PkgIterator const &Pkg, bool Soft, bool FromUser, #endif if (DebugMarker == true) - std::clog << OutputInDepth(Depth) << "MarkKeep " << Pkg << std::endl; + std::clog << OutputInDepth(Depth) << "MarkKeep " << Pkg << " FU=" << FromUser << std::endl; RemoveSizes(Pkg); RemoveStates(Pkg); @@ -772,7 +769,7 @@ void pkgDepCache::MarkKeep(PkgIterator const &Pkg, bool Soft, bool FromUser, // --------------------------------------------------------------------- /* */ void pkgDepCache::MarkDelete(PkgIterator const &Pkg, bool rPurge, - unsigned long Depth) + unsigned long Depth, bool FromUser) { // Simplifies other routines. if (Pkg.end() == true) @@ -794,8 +791,12 @@ void pkgDepCache::MarkDelete(PkgIterator const &Pkg, bool rPurge, if (Pkg->VersionList == 0) return; + // check if we are allowed to install the package + if (IsDeleteOk(Pkg,rPurge,Depth,FromUser) == false) + return; + if (DebugMarker == true) - std::clog << OutputInDepth(Depth) << "MarkDelete " << Pkg << std::endl; + std::clog << OutputInDepth(Depth) << "MarkDelete " << Pkg << " FU=" << FromUser << std::endl; RemoveSizes(Pkg); RemoveStates(Pkg); @@ -811,6 +812,23 @@ void pkgDepCache::MarkDelete(PkgIterator const &Pkg, bool rPurge, AddSizes(Pkg); } /*}}}*/ +// DepCache::IsDeleteOk - check if it is ok to remove this package /*{{{*/ +// --------------------------------------------------------------------- +/* The default implementation just honors dpkg hold + But an application using this library can override this method + to control the MarkDelete behaviour */ +bool pkgDepCache::IsDeleteOk(PkgIterator const &Pkg,bool rPurge, + unsigned long Depth, bool FromUser) +{ + if (FromUser == false && Pkg->SelectedState == pkgCache::State::Hold) + { + if (DebugMarker == true) + std::clog << OutputInDepth(Depth) << "Hold prevents MarkDelete of " << Pkg << " FU=" << FromUser << std::endl; + return false; + } + return true; +} + /*}}}*/ // DepCache::MarkInstall - Put the package in the install state /*{{{*/ // --------------------------------------------------------------------- /* */ @@ -846,6 +864,11 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst, // We dont even try to install virtual packages.. if (Pkg->VersionList == 0) return; + + // check if we are allowed to install the package + if (IsInstallOk(Pkg,AutoInst,Depth,FromUser) == false) + return; + /* Target the candidate version and remove the autoflag. We reset the autoflag below if this was called recursively. Otherwise the user should have the ability to de-auto a package by changing its state */ @@ -874,12 +897,12 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst, AddStates(Pkg); Update(Pkg); AddSizes(Pkg); - + if (AutoInst == false) return; if (DebugMarker == true) - std::clog << OutputInDepth(Depth) << "MarkInstall " << Pkg << std::endl; + std::clog << OutputInDepth(Depth) << "MarkInstall " << Pkg << " FU=" << FromUser << std::endl; DepIterator Dep = P.InstVerIter(*this).DependsList(); for (; Dep.end() != true;) @@ -1004,8 +1027,7 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst, } } - if (InstPkg.end() == false && - AutoInstOk(InstPkg, (*this)[InstPkg].CandidateVerIter(*this), Start)) + if (InstPkg.end() == false) { if(DebugAutoInstall == true) std::clog << OutputInDepth(Depth) << "Installing " << InstPkg.Name() @@ -1043,30 +1065,30 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst, PkgIterator Pkg = Ver.ParentPkg(); if (Start->Type != Dep::DpkgBreaks) - { - if(AutoInstOk(Pkg, VerIterator(*this), Start)) - MarkDelete(Pkg); - } - else - if (PkgState[Pkg->ID].CandidateVer != *I && - AutoInstOk(Pkg, VerIterator(*this, PkgState[Pkg->ID].CandidateVer), Start)) - MarkInstall(Pkg,true,Depth + 1, false, ForceImportantDeps); + MarkDelete(Pkg,false,Depth + 1, false); + else if (PkgState[Pkg->ID].CandidateVer != *I) + MarkInstall(Pkg,true,Depth + 1, false, ForceImportantDeps); } continue; } } } - -// DepCache::AutoInstOk - check if it is to install this package /*{{{*/ + /*}}}*/ +// DepCache::IsInstallOk - check if it is ok to install this package /*{{{*/ // --------------------------------------------------------------------- /* The default implementation just honors dpkg hold - But an application using this library can override this method + But an application using this library can override this method to control the MarkInstall behaviour */ -bool pkgDepCache::AutoInstOk(const PkgIterator &Pkg, - const VerIterator &v, - const DepIterator &d) +bool pkgDepCache::IsInstallOk(PkgIterator const &Pkg,bool AutoInst, + unsigned long Depth, bool FromUser) { - return (Pkg->SelectedState != pkgCache::State::Hold); + if (FromUser == false && Pkg->SelectedState == pkgCache::State::Hold) + { + if (DebugMarker == true) + std::clog << OutputInDepth(Depth) << "Hold prevents MarkInstall of " << Pkg << " FU=" << FromUser << std::endl; + return false; + } + return true; } /*}}}*/ // DepCache::SetReInstall - Set the reinstallation flag /*{{{*/ @@ -1168,7 +1190,6 @@ const char *pkgDepCache::StateCache::StripEpoch(const char *Ver) return Ver; } /*}}}*/ - // Policy::GetCandidateVer - Returns the Candidate install version /*{{{*/ // --------------------------------------------------------------------- /* The default just returns the highest available version that is not @@ -1205,7 +1226,6 @@ pkgCache::VerIterator pkgDepCache::Policy::GetCandidateVer(PkgIterator Pkg) return Last; } /*}}}*/ - // Policy::IsImportantDep - True if the dependency is important /*{{{*/ // --------------------------------------------------------------------- /* */ @@ -1231,8 +1251,7 @@ bool pkgDepCache::Policy::IsImportantDep(DepIterator Dep) return false; } /*}}}*/ - -pkgDepCache::DefaultRootSetFunc::DefaultRootSetFunc() +pkgDepCache::DefaultRootSetFunc::DefaultRootSetFunc() /*{{{*/ : constructedSuccessfully(false) { Configuration::Item const *Opts; @@ -1261,8 +1280,8 @@ pkgDepCache::DefaultRootSetFunc::DefaultRootSetFunc() constructedSuccessfully = true; } - -pkgDepCache::DefaultRootSetFunc::~DefaultRootSetFunc() + /*}}}*/ +pkgDepCache::DefaultRootSetFunc::~DefaultRootSetFunc() /*{{{*/ { for(unsigned int i = 0; i < rootSetRegexp.size(); i++) { @@ -1270,9 +1289,8 @@ pkgDepCache::DefaultRootSetFunc::~DefaultRootSetFunc() delete rootSetRegexp[i]; } } - - -bool pkgDepCache::DefaultRootSetFunc::InRootSet(const pkgCache::PkgIterator &pkg) + /*}}}*/ +bool pkgDepCache::DefaultRootSetFunc::InRootSet(const pkgCache::PkgIterator &pkg) /*{{{*/ { for(unsigned int i = 0; i < rootSetRegexp.size(); i++) if (regexec(rootSetRegexp[i], pkg.Name(), 0, 0, 0) == 0) @@ -1280,8 +1298,8 @@ bool pkgDepCache::DefaultRootSetFunc::InRootSet(const pkgCache::PkgIterator &pkg return false; } - -pkgDepCache::InRootSetFunc *pkgDepCache::GetRootSetFunc() + /*}}}*/ +pkgDepCache::InRootSetFunc *pkgDepCache::GetRootSetFunc() /*{{{*/ { DefaultRootSetFunc *f = new DefaultRootSetFunc; if(f->wasConstructedSuccessfully()) @@ -1292,7 +1310,7 @@ pkgDepCache::InRootSetFunc *pkgDepCache::GetRootSetFunc() return NULL; } } - + /*}}}*/ bool pkgDepCache::MarkFollowsRecommends() { return _config->FindB("APT::AutoRemove::RecommendsImportant", true); @@ -1303,7 +1321,7 @@ bool pkgDepCache::MarkFollowsSuggests() return _config->FindB("APT::AutoRemove::SuggestsImportant", false); } -// the main mark algorithm +// pkgDepCache::MarkRequired - the main mark algorithm /*{{{*/ bool pkgDepCache::MarkRequired(InRootSetFunc &userFunc) { bool follow_recommends; @@ -1348,8 +1366,8 @@ bool pkgDepCache::MarkRequired(InRootSetFunc &userFunc) return true; } - -// mark a single package in Mark-and-Sweep + /*}}}*/ +// MarkPackage - mark a single package in Mark-and-Sweep /*{{{*/ void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg, const pkgCache::VerIterator &ver, bool follow_recommends, @@ -1468,8 +1486,8 @@ void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg, } } } - -bool pkgDepCache::Sweep() + /*}}}*/ +bool pkgDepCache::Sweep() /*{{{*/ { // do the sweep for(PkgIterator p=PkgBegin(); !p.end(); ++p) @@ -1492,3 +1510,4 @@ bool pkgDepCache::Sweep() return true; } + /*}}}*/ |