Add ?broken pattern

This matches all packages that have broken dependencies in the
installed version or the version selected for install.

2 files changed, 14 insertions, 0 deletions

diff --git a/apt-pkg/cachefilter-patterns.cc b/apt-pkg/cachefilter-patterns.cc
index 0f23890b4..a180cf78e 100644
--- a/apt-pkg/cachefilter-patterns.cc
+++ b/apt-pkg/cachefilter-patterns.cc
@@ -212,6 +212,8 @@ std::unique_ptr<APT::CacheFilter::Matcher> PatternParser::aPattern(std::unique_p
       return std::make_unique<APT::CacheFilter::PackageArchitectureMatchesSpecification>(aWord(node->arguments[0]));
    if (node->matches("?automatic", 0, 0))
       return std::make_unique<Patterns::PackageIsAutomatic>(file);
+   if (node->matches("?broken", 0, 0))
+      return std::make_unique<Patterns::PackageIsBroken>(file);
    if (node->matches("?config-files", 0, 0))
       return std::make_unique<Patterns::PackageIsConfigFiles>();
    if (node->matches("?false", 0, 0))
diff --git a/apt-pkg/cachefilter-patterns.h b/apt-pkg/cachefilter-patterns.h
index 7770385c9..c219e5bcd 100644
--- a/apt-pkg/cachefilter-patterns.h
+++ b/apt-pkg/cachefilter-patterns.h
@@ -128,6 +128,18 @@ struct PackageIsAutomatic : public PackageMatcher
    }
 };
 
+struct PackageIsBroken : public PackageMatcher
+{
+   pkgCacheFile *Cache;
+   explicit PackageIsBroken(pkgCacheFile *Cache) : Cache(Cache) {}
+   bool operator()(pkgCache::PkgIterator const &Pkg) override
+   {
+      assert(Cache != nullptr);
+      auto state = (*Cache)[Pkg];
+      return state.InstBroken() || state.NowBroken();
+   }
+};
+
 struct PackageIsConfigFiles : public PackageMatcher
 {
    bool operator()(pkgCache::PkgIterator const &Pkg) override