diff options
Diffstat (limited to 'apt-pkg/depcache.cc')
| -rw-r--r-- | apt-pkg/depcache.cc | 67 |
1 files changed, 49 insertions, 18 deletions
diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc index a284a05c7..7c86204f5 100644 --- a/apt-pkg/depcache.cc +++ b/apt-pkg/depcache.cc @@ -769,7 +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) @@ -791,6 +791,13 @@ 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) + { + MarkKeep(Pkg,false,FromUser,Depth+1); + return; + } + if (DebugMarker == true) std::clog << OutputInDepth(Depth) << "MarkDelete " << Pkg << std::endl; @@ -808,6 +815,23 @@ 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 << std::endl; + return false; + } + return true; +} + /*}}}*/ // DepCache::MarkInstall - Put the package in the install state /*{{{*/ // --------------------------------------------------------------------- /* */ @@ -843,6 +867,14 @@ 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) + { + MarkKeep(Pkg,false,FromUser,Depth+1); + 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 */ @@ -871,7 +903,7 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst, AddStates(Pkg); Update(Pkg); AddSizes(Pkg); - + if (AutoInst == false) return; @@ -1001,8 +1033,7 @@ 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() @@ -1040,30 +1071,30 @@ 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 << std::endl; + return false; + } + return true; } /*}}}*/ // DepCache::SetReInstall - Set the reinstallation flag /*{{{*/ |