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-rw-r--r--apt-pkg/cachefilter-patterns.cc28
-rw-r--r--apt-pkg/cachefilter-patterns.h21
-rw-r--r--doc/apt-patterns.7.xml8
3 files changed, 57 insertions, 0 deletions
diff --git a/apt-pkg/cachefilter-patterns.cc b/apt-pkg/cachefilter-patterns.cc
index 4a99635db..471e698d6 100644
--- a/apt-pkg/cachefilter-patterns.cc
+++ b/apt-pkg/cachefilter-patterns.cc
@@ -39,6 +39,16 @@ static const constexpr struct
{"DBreaks:"_sv, "?breaks"_sv, true},
{"DEnhances:"_sv, "?enhances"_sv, true},
{"D"_sv, "?depends"_sv, true},
+ {"RDepends:"_sv, "?reverse-depends"_sv, true},
+ {"RPre-Depends:"_sv, "?reverse-pre-depends"_sv, true},
+ {"RSuggests:"_sv, "?reverse-suggests"_sv, true},
+ {"RRecommends:"_sv, "?reverse-recommends"_sv, true},
+ {"RConflicts:"_sv, "?reverse-conflicts"_sv, true},
+ {"RReplaces:"_sv, "?reverse-replaces"_sv, true},
+ {"RObsoletes:"_sv, "?reverse-obsoletes"_sv, true},
+ {"RBreaks:"_sv, "?reverse-breaks"_sv, true},
+ {"REnhances:"_sv, "?reverse-enhances"_sv, true},
+ {"R"_sv, "?reverse-depends"_sv, true},
{"E"_sv, "?essential"_sv, false},
{"F"_sv, "?false"_sv, false},
{"g"_sv, "?garbage"_sv, false},
@@ -447,6 +457,24 @@ std::unique_ptr<APT::CacheFilter::Matcher> PatternParser::aPattern(std::unique_p
return std::make_unique<Patterns::VersionDepends>(aPattern(node->arguments[0]), pkgCache::Dep::DpkgBreaks);
if (node->matches("?enhances", 1, 1))
return std::make_unique<Patterns::VersionDepends>(aPattern(node->arguments[0]), pkgCache::Dep::Enhances);
+ if (node->matches("?reverse-depends", 1, 1))
+ return std::make_unique<Patterns::PackageReverseDepends>(aPattern(node->arguments[0]));
+ if (node->matches("?reverse-predepends", 1, 1))
+ return std::make_unique<Patterns::PackageReverseDepends>(aPattern(node->arguments[0]), pkgCache::Dep::PreDepends);
+ if (node->matches("?reverse-suggests", 1, 1))
+ return std::make_unique<Patterns::PackageReverseDepends>(aPattern(node->arguments[0]), pkgCache::Dep::Suggests);
+ if (node->matches("?reverse-recommends", 1, 1))
+ return std::make_unique<Patterns::PackageReverseDepends>(aPattern(node->arguments[0]), pkgCache::Dep::Recommends);
+ if (node->matches("?reverse-conflicts", 1, 1))
+ return std::make_unique<Patterns::PackageReverseDepends>(aPattern(node->arguments[0]), pkgCache::Dep::Conflicts);
+ if (node->matches("?reverse-replaces", 1, 1))
+ return std::make_unique<Patterns::PackageReverseDepends>(aPattern(node->arguments[0]), pkgCache::Dep::Replaces);
+ if (node->matches("?reverse-obsoletes", 1, 1))
+ return std::make_unique<Patterns::PackageReverseDepends>(aPattern(node->arguments[0]), pkgCache::Dep::Obsoletes);
+ if (node->matches("?reverse-breaks", 1, 1))
+ return std::make_unique<Patterns::PackageReverseDepends>(aPattern(node->arguments[0]), pkgCache::Dep::DpkgBreaks);
+ if (node->matches("?reverse-enhances", 1, 1))
+ return std::make_unique<Patterns::PackageReverseDepends>(aPattern(node->arguments[0]), pkgCache::Dep::Enhances);
if (node->matches("?essential", 0, 0))
return std::make_unique<Patterns::PackageIsEssential>();
if (node->matches("?exact-name", 1, 1))
diff --git a/apt-pkg/cachefilter-patterns.h b/apt-pkg/cachefilter-patterns.h
index 048c7041f..e0c48dd12 100644
--- a/apt-pkg/cachefilter-patterns.h
+++ b/apt-pkg/cachefilter-patterns.h
@@ -317,6 +317,27 @@ struct APT_HIDDEN VersionDepends : public VersionAnyMatcher
}
};
+struct APT_HIDDEN PackageReverseDepends : public PackageMatcher
+{
+ std::unique_ptr<APT::CacheFilter::Matcher> base;
+ pkgCache::Dep::DepType type;
+ PackageReverseDepends(std::unique_ptr<APT::CacheFilter::Matcher> base, pkgCache::Dep::DepType type = pkgCache::Dep::Depends) : base(std::move(base)), type(type) {}
+ bool operator()(pkgCache::PkgIterator const &Pkg) override
+ {
+ for (auto D = Pkg.RevDependsList(); not D.end(); D++)
+ {
+ if (D.IsImplicit())
+ continue;
+ if (D->Type != type)
+ continue;
+ if ((*base)(D.ParentVer()))
+ return true;
+ }
+
+ return false;
+ }
+};
+
struct APT_HIDDEN VersionIsAnyVersion : public VersionAnyMatcher
{
std::unique_ptr<APT::CacheFilter::Matcher> base;
diff --git a/doc/apt-patterns.7.xml b/doc/apt-patterns.7.xml
index 06a60285b..0d2e79f88 100644
--- a/doc/apt-patterns.7.xml
+++ b/doc/apt-patterns.7.xml
@@ -167,6 +167,14 @@
<term><code>?enhances(PATTERN)</code></term><term><code>~DEnhances:PATTERN</code></term>
<listitem><para>Selects versions depending/pre-depending/suggesting/conflicting/etc on/with/ packages matching PATTERN.</para></listitem>
</varlistentry>
+ <varlistentry>
+ <term><code>?reverse-<emphasis>depType</emphasis>(PATTERN)</code></term>
+ <term><code>~R<emphasis>DepType</emphasis>:PATTERN</code></term>
+ <listitem><para>Opposite of <code>?depends</code> and friends - selects all packages that have reverse-dependencies (versions) matching PATTERN.</para>
+ <para><emphasis>depType</emphasis> is one of the dependency types such as <code>depends</code>, so that we don't have to repeat the entire list from the first paragraph here.</para>
+ </listitem>
+ </varlistentry>
+
</variablelist>
</refsect1>