Document the general effect of the comma operator

[apt.git] / cmdline / apt-cache.cc

diff --git a/cmdline/apt-cache.cc b/cmdline/apt-cache.cc
index 2fc721f693b58970b9c0d6d7f5b548af75905669..a0322498652954073f2ba4cc410af21c879ecdaf 100644 (file)
--- a/cmdline/apt-cache.cc
+++ b/cmdline/apt-cache.cc
@@ -253,12 +253,12 @@ static bool DumpPackage(CommandLine &CmdL)
       {
         cout << Cur.VerStr() << " - ";
         for (pkgCache::PrvIterator Prv = Cur.ProvidesList(); Prv.end() != true; ++Prv)
-           cout << Prv.ParentPkg().FullName(true) << " ";
+           cout << Prv.ParentPkg().FullName(true) << " (= " << (Prv->ProvideVersion == 0 ? "" : Prv.ProvideVersion()) << ") ";
         cout << endl;
       }
       cout << "Reverse Provides: " << endl;
       for (pkgCache::PrvIterator Prv = Pkg.ProvidesList(); Prv.end() != true; ++Prv)
-        cout << Prv.OwnerPkg().FullName(true) << " " << Prv.OwnerVer().VerStr() << endl;
+        cout << Prv.OwnerPkg().FullName(true) << " " << Prv.OwnerVer().VerStr()  << " (= " << (Prv->ProvideVersion == 0 ? "" : Prv.ProvideVersion()) << ")"<< endl;
    }
 
    return true;
@@ -310,10 +310,15 @@ static void ShowHashTableStats(std::string Type,
 // Stats - Dump some nice statistics                                   /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-static bool Stats(CommandLine &)
+static bool Stats(CommandLine &CmdL)
 {
    pkgCacheFile CacheFile;
    pkgCache *Cache = CacheFile.GetPkgCache();
+
+   if (CmdL.FileSize() > 1) {
+      _error->Error(_("apt-cache stats does not take any arguments"));
+      return false;
+   }
    if (unlikely(Cache == NULL))
       return false;
 
@@ -689,6 +694,7 @@ static bool ShowDepends(CommandLine &CmdL, bool const RevDepends)
    bool const ShowBreaks = _config->FindB("APT::Cache::ShowBreaks", Important == false);
    bool const ShowEnhances = _config->FindB("APT::Cache::ShowEnhances", Important == false);
    bool const ShowOnlyFirstOr = _config->FindB("APT::Cache::ShowOnlyFirstOr", false);
+   bool const ShowImplicit = _config->FindB("APT::Cache::ShowImplicit", false);
 
    while (verset.empty() != true)
    {
@@ -709,12 +715,16 @@ static bool ShowDepends(CommandLine &CmdL, bool const RevDepends)
            case pkgCache::Dep::Depends: if (!ShowDepends) continue; break;
            case pkgCache::Dep::Recommends: if (!ShowRecommends) continue; break;
            case pkgCache::Dep::Suggests: if (!ShowSuggests) continue; break;
-           case pkgCache::Dep::Replaces: if (!ShowReplaces) continue; break;       case pkgCache::Dep::Conflicts: if (!ShowConflicts) continue; break;
+           case pkgCache::Dep::Replaces: if (!ShowReplaces) continue; break;
+           case pkgCache::Dep::Conflicts: if (!ShowConflicts) continue; break;
            case pkgCache::Dep::DpkgBreaks: if (!ShowBreaks) continue; break;
            case pkgCache::Dep::Enhances: if (!ShowEnhances) continue; break;
            }
+           if (ShowImplicit == false && D.IsImplicit())
+              continue;
 
            pkgCache::PkgIterator Trg = RevDepends ? D.ParentPkg() : D.TargetPkg();
+           bool const showNoArch = RevDepends || (D->CompareOp & pkgCache::Dep::ArchSpecific) != pkgCache::Dep::ArchSpecific;
 
            if((Installed && Trg->CurrentVer != 0) || !Installed)
              {
@@ -728,9 +738,9 @@ static bool ShowDepends(CommandLine &CmdL, bool const RevDepends)
                if (ShowDepType == true)
                  cout << D.DepType() << ": ";
                if (Trg->VersionList == 0)
-                 cout << "<" << Trg.FullName(true) << ">";
+                 cout << "<" << Trg.FullName(showNoArch) << ">";
                else
-                 cout << Trg.FullName(true);
+                 cout << Trg.FullName(showNoArch);
                if (ShowVersion == true && D->Version != 0)
                   cout << " (" << pkgCache::CompTypeDeb(D->CompareOp) << ' ' << D.TargetVer() << ')';
                cout << std::endl;
@@ -744,9 +754,9 @@ static bool ShowDepends(CommandLine &CmdL, bool const RevDepends)
              }
            
            // Display all solutions
-           SPtrArray<pkgCache::Version *> List = D.AllTargets();
-           pkgPrioSortList(*Cache,List);
-           for (pkgCache::Version **I = List; *I != 0; I++)
+           std::unique_ptr<pkgCache::Version *[]> List(D.AllTargets());
+           pkgPrioSortList(*Cache,List.get());
+           for (pkgCache::Version **I = List.get(); *I != 0; I++)
            {
               pkgCache::VerIterator V(*Cache,*I);
               if (V != Cache->VerP + V.ParentPkg()->VersionList ||
@@ -1662,19 +1672,33 @@ static bool Policy(CommandLine &CmdL)
       pkgCache::PkgIterator I = Cache->PkgBegin();
       for (;I.end() != true; ++I)
       {
-        if (Plcy->GetPriority(I) == 0)
+        // Old code for debugging
+        if (_config->FindI("APT::Policy", 1) < 1) {
+           if (Plcy->GetPriority(I) == 0)
+              continue;
+
+           // Print the package name and the version we are forcing to
+           cout << "     " << I.FullName(true) << " -> ";
+
+           pkgCache::VerIterator V = Plcy->GetMatch(I);
+           if (V.end() == true)
+              cout << _("(not found)") << endl;
+           else
+              cout << V.VerStr() << endl;
+
            continue;
+        }
+        // New code
+        for (pkgCache::VerIterator V = I.VersionList(); !V.end(); V++) {
+           auto Prio = Plcy->GetPriority(V, false);
+           if (Prio == 0)
+              continue;
 
-        // Print the package name and the version we are forcing to
-        cout << "     " << I.FullName(true) << " -> ";
-        
-        pkgCache::VerIterator V = Plcy->GetMatch(I);
-        if (V.end() == true)
-           cout << _("(not found)") << endl;
-        else
-           cout << V.VerStr() << endl;
-      }     
-      
+           cout << "     ";
+           // Print the package name and the version we are forcing to
+           ioprintf(cout, _("%s -> %s with priority %d\n"), I.FullName(true).c_str(), V.VerStr(), Prio);
+        }
+      }
       return true;
    }
 
@@ -1710,7 +1734,7 @@ static bool Policy(CommandLine &CmdL)
         cout << V.VerStr() << endl;
 
       // Pinned version
-      if (Plcy->GetPriority(Pkg) != 0)
+      if (_config->FindI("APT::Policy", 1) < 1 && Plcy->GetPriority(Pkg) != 0)
       {
         cout << _("  Package pin: ");
         V = Plcy->GetMatch(Pkg);
@@ -1728,7 +1752,10 @@ static bool Policy(CommandLine &CmdL)
            cout << " *** " << V.VerStr();
         else
            cout << "     " << V.VerStr();
-        cout << " " << Plcy->GetPriority(V) << endl;
+        if (_config->FindI("APT::Policy", 1) < 1)
+           cout << " " << Plcy->GetPriority(Pkg) << endl;
+        else
+           cout << " " << Plcy->GetPriority(V) << endl;
         for (pkgCache::VerFileIterator VF = V.FileList(); VF.end() == false; ++VF)
         {
            // Locate the associated index files so we can derive a description