]> git.saurik.com Git - apt.git/blobdiff - apt-pkg/packagemanager.cc
Purge support
[apt.git] / apt-pkg / packagemanager.cc
index 7dd6b8a2785e47640e1e86abfd4a21c2954513d0..126caef930f3c4221eed40007aac6212bbeb449d 100644 (file)
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: packagemanager.cc,v 1.7 1998/11/22 23:37:05 jgg Exp $
+// $Id: packagemanager.cc,v 1.18 1999/07/10 04:58:42 jgg Exp $
 /* ######################################################################
 
    Package Manager - Abstacts the package manager
@@ -60,11 +60,21 @@ bool pkgPackageManager::GetArchives(pkgAcquire *Owner,pkgSourceList *Sources,
    for (pkgOrderList::iterator I = List->begin(); I != List->end(); I++)
    {
       PkgIterator Pkg(Cache,*I);
-
+      FileNames[Pkg->ID] = string();
+      
       // Skip packages to erase
       if (Cache[Pkg].Delete() == true)
         continue;
-      
+
+      // Skip Packages that need configure only.
+      if (Pkg.State() == pkgCache::PkgIterator::NeedsConfigure && 
+         Cache[Pkg].Keep() == true)
+        continue;
+
+      // Skip already processed packages
+      if (List->IsNow(Pkg) == false)
+        continue;
+        
       new pkgAcqArchive(Owner,Sources,Recs,Cache[Pkg].InstVerIter(Cache),
                        FileNames[Pkg->ID]);
    }
@@ -79,16 +89,22 @@ bool pkgPackageManager::GetArchives(pkgAcquire *Owner,pkgSourceList *Sources,
 bool pkgPackageManager::FixMissing()
 {
    pkgProblemResolver Resolve(Cache);
+   List->SetFileList(FileNames);
    
+   bool Bad = false;
    for (PkgIterator I = Cache.PkgBegin(); I.end() == false; I++)
    {
-     if (Cache[I].Keep() == true)
-        continue;
-      if (FileNames[I->ID].empty() == false || Cache[I].Delete() == true)
+      if (List->IsMissing(I) == false)
         continue;
+   
+      // Okay, this file is missing and we need it. Mark it for keep 
+      Bad = true;
       Cache.MarkKeep(I);
    }
    
+   if (Bad == false)
+      return true;
+   
    // Now downgrade everything that is broken
    return Resolve.ResolveByKeep() == true && Cache.BrokenCount() == 0;   
 }
@@ -100,21 +116,32 @@ bool pkgPackageManager::FixMissing()
    going to change. */
 bool pkgPackageManager::CreateOrderList()
 {
+   if (List != 0)
+      return true;
+   
    delete List;
    List = new pkgOrderList(Cache);
    
+   bool NoImmConfigure = _config->FindB("APT::Immediate-Configure",false);
+   
    // Generate the list of affected packages and sort it
    for (PkgIterator I = Cache.PkgBegin(); I.end() == false; I++)
    {
-      // Consider all depends
-      if ((I->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential)
+      // Mark the package and its dependends for immediate configuration
+      if (((I->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential ||
+          (I->Flags & pkgCache::Flag::Important) == pkgCache::Flag::Important) &&
+         NoImmConfigure == false)
       {
         List->Flag(I,pkgOrderList::Immediate);
+        
+        // Look for other packages to make immediate configurea
         if (Cache[I].InstallVer != 0)
            for (DepIterator D = Cache[I].InstVerIter(Cache).DependsList(); 
                 D.end() == false; D++)
               if (D->Type == pkgCache::Dep::Depends || D->Type == pkgCache::Dep::PreDepends)
                  List->Flag(D.TargetPkg(),pkgOrderList::Immediate);
+        
+        // And again with the current version.
         if (I->CurrentVer != 0)
            for (DepIterator D = I.CurrentVer().DependsList(); 
                 D.end() == false; D++)
@@ -125,14 +152,13 @@ bool pkgPackageManager::CreateOrderList()
       // Not interesting
       if ((Cache[I].Keep() == true || 
          Cache[I].InstVerIter(Cache) == I.CurrentVer()) && 
-         I.State() == pkgCache::PkgIterator::NeedsNothing)
+         I.State() == pkgCache::PkgIterator::NeedsNothing &&
+         (I.Purge() != false || Cache[I].Mode != pkgDepCache::ModeDelete ||
+          (Cache[I].iFlags & pkgDepCache::Purge) != pkgDepCache::Purge))
         continue;
       
       // Append it to the list
-      List->push_back(I);
-      
-      if ((I->Flags & pkgCache::Flag::ImmediateConf) == pkgCache::Flag::ImmediateConf)
-        List->Flag(I,pkgOrderList::Immediate);
+      List->push_back(I);      
    }
    
    return true;
@@ -351,7 +377,7 @@ bool pkgPackageManager::SmartRemove(PkgIterator Pkg)
       return true;
 
    List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States);
-   return Remove(Pkg);
+   return Remove(Pkg,(Cache[Pkg].iFlags & pkgDepCache::Purge) == pkgDepCache::Purge);
 }
                                                                        /*}}}*/
 // PM::SmartUnPack - Install helper                                    /*{{{*/
@@ -369,7 +395,7 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg)
            return _error->Error("Internal Error, Could not perform immediate configuraton");
       return true;
    }
-   
+
    /* See if this packages install version has any predependencies
       that are not met by 'now' packages. */
    for (DepIterator D = Cache[Pkg].InstVerIter(Cache).DependsList(); 
@@ -460,58 +486,96 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg)
 // PM::OrderInstall - Installation ordering routine                    /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool pkgPackageManager::OrderInstall()
+pkgPackageManager::OrderResult pkgPackageManager::OrderInstall()
 {
    if (CreateOrderList() == false)
-      return false;
+      return Failed;
+
+   Reset();
    
    if (Debug == true)
       clog << "Begining to order" << endl;
-   
-   if (List->OrderUnpack() == false)
-      return _error->Error("Internal ordering error");
 
+   if (List->OrderUnpack(FileNames) == false)
+   {
+      _error->Error("Internal ordering error");
+      return Failed;
+   }
+   
    if (Debug == true)
       clog << "Done ordering" << endl;
 
+   bool DoneSomething = false;
    for (pkgOrderList::iterator I = List->begin(); I != List->end(); I++)
    {
       PkgIterator Pkg(Cache,*I);
+
+      if (List->IsNow(Pkg) == false)
+      {
+        if (Debug == true)
+           clog << "Skipping already done " << Pkg.Name() << endl;
+        continue;
+      }
+      
+      if (List->IsMissing(Pkg) == true)
+      {
+        if (Debug == true)
+           clog << "Sequence completed at" << Pkg.Name() << endl;
+        if (DoneSomething == false)
+        {
+           _error->Error("Internal Error, ordering was unable to handle the media swap");
+           return Failed;
+        }       
+        return Incomplete;
+      }
       
       // Sanity check
       if (Cache[Pkg].Keep() == true && Pkg.State() == pkgCache::PkgIterator::NeedsNothing)
-        return _error->Error("Internal Error, trying to manipulate a kept package");
+      {
+        _error->Error("Internal Error, trying to manipulate a kept package");
+        return Failed;
+      }
       
       // Perform a delete or an install
       if (Cache[Pkg].Delete() == true)
       {
         if (SmartRemove(Pkg) == false)
-           return false;        
+           return Failed;
       }
       else
         if (SmartUnPack(Pkg) == false)
-           return false;
+           return Failed;
+      DoneSomething = true;
    }
    
    // Final run through the configure phase
    if (ConfigureAll() == false)
-      return false;
+      return Failed;
 
    // Sanity check
    for (pkgOrderList::iterator I = List->begin(); I != List->end(); I++)
+   {
       if (List->IsFlag(*I,pkgOrderList::Configured) == false)
-        return _error->Error("Internal error, packages left unconfigured. %s",
-                             PkgIterator(Cache,*I).Name());
-
-   return true;
+      {
+        _error->Error("Internal error, packages left unconfigured. %s",
+                      PkgIterator(Cache,*I).Name());
+        return Failed;
+      }
+   }   
+        
+   return Completed;
 }
                                                                        /*}}}*/
 // PM::DoInstall - Does the installation                               /*{{{*/
 // ---------------------------------------------------------------------
 /* This uses the filenames in FileNames and the information in the
    DepCache to perform the installation of packages.*/
-bool pkgPackageManager::DoInstall()
+pkgPackageManager::OrderResult pkgPackageManager::DoInstall()
 {
-   return OrderInstall() && Go();
+   OrderResult Res = OrderInstall();
+   if (Res != Failed)
+      if (Go() == false)
+        return Failed;
+   return Res;
 }
                                                                        /*}}}*/