diff options
Diffstat (limited to 'apt-pkg')
| -rw-r--r-- | apt-pkg/cachefilter-patterns.cc | 2 | ||||
| -rw-r--r-- | apt-pkg/cachefilter-patterns.h | 7 |
2 files changed, 9 insertions, 0 deletions
diff --git a/apt-pkg/cachefilter-patterns.cc b/apt-pkg/cachefilter-patterns.cc index a180cf78e..ea35b9c46 100644 --- a/apt-pkg/cachefilter-patterns.cc +++ b/apt-pkg/cachefilter-patterns.cc @@ -216,6 +216,8 @@ std::unique_ptr<APT::CacheFilter::Matcher> PatternParser::aPattern(std::unique_p return std::make_unique<Patterns::PackageIsBroken>(file); if (node->matches("?config-files", 0, 0)) return std::make_unique<Patterns::PackageIsConfigFiles>(); + if (node->matches("?essential", 0, 0)) + return std::make_unique<Patterns::PackageIsEssential>(); if (node->matches("?false", 0, 0)) return std::make_unique<APT::CacheFilter::FalseMatcher>(); if (node->matches("?garbage", 0, 0)) diff --git a/apt-pkg/cachefilter-patterns.h b/apt-pkg/cachefilter-patterns.h index c219e5bcd..17f1fc752 100644 --- a/apt-pkg/cachefilter-patterns.h +++ b/apt-pkg/cachefilter-patterns.h @@ -158,6 +158,13 @@ struct PackageIsGarbage : public PackageMatcher return (*Cache)[Pkg].Garbage; } }; +struct PackageIsEssential : public PackageMatcher +{ + bool operator()(pkgCache::PkgIterator const &Pkg) override + { + return (Pkg->Flags & pkgCache::Flag::Essential) != 0; + } +}; struct PackageIsInstalled : public PackageMatcher { |