diff options
Diffstat (limited to 'cmdline/apt-get.cc')
-rw-r--r-- | cmdline/apt-get.cc | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc index 1211a3411..bc2f71c18 100644 --- a/cmdline/apt-get.cc +++ b/cmdline/apt-get.cc @@ -1659,6 +1659,7 @@ bool DoAutomaticRemove(CacheFile &Cache) string autoremovelist, autoremoveversions; unsigned long autoRemoveCount = 0; + APT::PackageSet tooMuch; // look over the cache to see what can be removed for (pkgCache::PkgIterator Pkg = Cache->PkgBegin(); ! Pkg.end(); ++Pkg) { @@ -1681,7 +1682,10 @@ bool DoAutomaticRemove(CacheFile &Cache) // if the package is a new install and already garbage we don't need to // install it in the first place, so nuke it instead of show it if (Cache[Pkg].Install() == true && Pkg.CurrentVer() == 0) + { Cache->MarkDelete(Pkg, false); + tooMuch.insert(Pkg); + } // only show stuff in the list that is not yet marked for removal else if(hideAutoRemove == false && Cache[Pkg].Delete() == false) { @@ -1697,6 +1701,45 @@ bool DoAutomaticRemove(CacheFile &Cache) } } + // we could have removed a new dependency of a garbage package, + // so check if a reverse depends is broken and if so install it again. + if (tooMuch.empty() == false && Cache->BrokenCount() != 0) + { + bool Changed; + do { + Changed = false; + for (APT::PackageSet::const_iterator P = tooMuch.begin(); + P != tooMuch.end() && Changed == false; ++P) + { + for (pkgCache::DepIterator R = P.RevDependsList(); + R.end() == false; ++R) + { + if (R->Type != pkgCache::Dep::Depends && + R->Type != pkgCache::Dep::PreDepends) + continue; + pkgCache::PkgIterator N = R.ParentPkg(); + if (N.end() == true || N->CurrentVer == 0) + continue; + if (Debug == true) + std::clog << "Save " << P << " as another installed garbage package depends on it" << std::endl; + Cache->MarkInstall(P, false); + if(hideAutoRemove == false) + { + ++autoRemoveCount; + if (smallList == false) + { + autoremovelist += P.FullName(true) + " "; + autoremoveversions += string(Cache[P].CandVersion) + "\n"; + } + } + tooMuch.erase(P); + Changed = true; + break; + } + } + } while (Changed == true); + } + // Now see if we had destroyed anything (if we had done anything) if (Cache->BrokenCount() != 0) { |