From 96f795bce665a1907b885bd2d57d6ab22b0a4199 Mon Sep 17 00:00:00 2001
From: Julian Andres Klode <julian.klode@canonical.com>
Date: Tue, 26 Nov 2019 11:56:28 +0100
Subject: patterns: Add ?all-versions

---
 apt-pkg/cachefilter-patterns.cc    |  2 ++
 apt-pkg/cachefilter-patterns.h     | 19 +++++++++++++++++++
 doc/apt-patterns.7.xml             |  3 +++
 test/integration/test-apt-patterns |  3 +++
 4 files changed, 27 insertions(+)

diff --git a/apt-pkg/cachefilter-patterns.cc b/apt-pkg/cachefilter-patterns.cc
index f202df796..8214c388a 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<APT::CacheFilter::PackageArchitectureMatchesSpecification>(aWord(node->arguments[0]));
    if (node->matches("?archive", 1, 1))
       return std::make_unique<Patterns::VersionIsArchive>(aWord(node->arguments[0]));
+   if (node->matches("?all-versions", 1, 1))
+      return std::make_unique<Patterns::VersionIsAllVersions>(aPattern(node->arguments[0]));
    if (node->matches("?any-version", 1, 1))
       return std::make_unique<Patterns::VersionIsAnyVersion>(aPattern(node->arguments[0]));
    if (node->matches("?automatic", 0, 0))
diff --git a/apt-pkg/cachefilter-patterns.h b/apt-pkg/cachefilter-patterns.h
index 26b42d04b..8c5561c82 100644
--- a/apt-pkg/cachefilter-patterns.h
+++ b/apt-pkg/cachefilter-patterns.h
@@ -260,6 +260,25 @@ struct VersionAnyMatcher : public Matcher
    }
 };
 
+struct VersionIsAllVersions : public Matcher
+{
+   std::unique_ptr<APT::CacheFilter::Matcher> base;
+   VersionIsAllVersions(std::unique_ptr<APT::CacheFilter::Matcher> base) : base(std::move(base)) {}
+   bool operator()(pkgCache::GrpIterator const &) override { return false; }
+   bool operator()(pkgCache::VerIterator const &Ver) override
+   {
+      return (*base)(Ver);
+   }
+   bool operator()(pkgCache::PkgIterator const &Pkg) override
+   {
+      for (auto Ver = Pkg.VersionList(); not Ver.end(); Ver++)
+      {
+	 if (not(*this)(Ver))
+	    return false;
+      }
+      return true;
+   }
+};
 
 struct VersionIsAnyVersion : public VersionAnyMatcher
 {
diff --git a/doc/apt-patterns.7.xml b/doc/apt-patterns.7.xml
index c2549f620..04f97e878 100644
--- a/doc/apt-patterns.7.xml
+++ b/doc/apt-patterns.7.xml
@@ -65,6 +65,9 @@
    <para>
    </para>
    <variablelist>
+     <varlistentry><term><code>?all-versions(PATTERN)</code></term>
+     <listitem><para>Selects packages where all versions match PATTERN. When matching versions instead, same as PATTERN.</para></listitem>
+     </varlistentry>
      <varlistentry><term><code>?any-version(PATTERN)</code></term>
      <listitem><para>Selects any version where the pattern matches on the version.</para>
      <para>For example, while <code>?and(?version(1),?version(2))</code> matches a package which has one version containing 1 and one version containing 2, <code>?any-version(?and(?version(1),?version(2)))</code> restricts the <code>?and</code> to act on the same version.</para></listitem>
diff --git a/test/integration/test-apt-patterns b/test/integration/test-apt-patterns
index 291aad1d4..f726d0576 100755
--- a/test/integration/test-apt-patterns
+++ b/test/integration/test-apt-patterns
@@ -121,6 +121,9 @@ not-obsolete/unstable 2.0 i386 [upgradable from: 1.0]
 N: There is 1 additional version. Please use the '-a' switch to see it" apt list '?narrow(?version(^1\.0$),?name(not-obsolete))'
 
 
+testsuccessequal "Listing...
+foreign/unstable 2.0 amd64
+not-obsolete/unstable 2.0 i386 [upgradable from: 1.0]" apt list '?not(?all-versions(?version(^1)))'
 
 msgmsg "Package patterns"
 
-- 
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