Added diff-only and tar-only options

[apt.git] / apt-pkg / depcache.cc

diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc
index 19f30b2c172f0c889f7cfd4a5aec05a163170099..7b7d0b29dafb4568ac4befe8df918da5937b0947 100644 (file)
--- a/apt-pkg/depcache.cc
+++ b/apt-pkg/depcache.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: depcache.cc,v 1.13 1998/12/22 07:58:50 jgg Exp $
+// $Id: depcache.cc,v 1.20 1999/09/09 06:08:45 jgg Exp $
 /* ######################################################################
 
    Dependency Cache - Caches Dependency information.
@@ -12,7 +12,6 @@
 #pragma implementation "apt-pkg/depcache.h"
 #endif
 #include <apt-pkg/depcache.h>
-#include <apt-pkg/configuration.h>
 
 #include <apt-pkg/version.h>
 #include <apt-pkg/error.h>
@@ -100,47 +99,13 @@ bool pkgDepCache::Init(OpProgress *Prog)
 // ---------------------------------------------------------------------
 /* The default just returns the target version if it exists or the
    highest version. */
-pkgDepCache::VerIterator pkgDepCache::GetCandidateVer(PkgIterator Pkg)
+pkgDepCache::VerIterator pkgDepCache::GetCandidateVer(PkgIterator Pkg,
+                                                     bool AllowCurrent)
 {
    // Try to use an explicit target
-   if (Pkg->TargetVer == 0)
-   {
-      string DistHack = _config->Find("to");
-
-      /* If disthack is set then we look for a dist by that name to install
-         from */
-      if (DistHack.empty() == false)
-      {
-        for (VerIterator I = Pkg.VersionList(); I.end() == false; I++)
-        {
-           for (VerFileIterator J = I.FileList(); J.end() == false; J++)
-              if ((J.File()->Flags & Flag::NotSource) == 0 &&
-                  (J.File()->Flags & Flag::NotAutomatic) == 0 &&
-                  J.File().Archive() == DistHack)
-                 return I;         
-        }
-        
-        // Hmm, target is current if there is no alternative.
-        if (Pkg->CurrentVer != 0)
-           return Pkg.CurrentVer();
-      }
-      else
-      {
-        /* Not source/not automatic versions cannot be a candidate version 
-           unless they are already installed */
-        for (VerIterator I = Pkg.VersionList(); I.end() == false; I++)
-        {
-           if (Pkg.CurrentVer() == I)
-              return I;
-           for (VerFileIterator J = I.FileList(); J.end() == false; J++)
-              if ((J.File()->Flags & Flag::NotSource) == 0 &&
-                  (J.File()->Flags & Flag::NotAutomatic) == 0)
-                 return I;
-        }
-      }
-      
-      return VerIterator(*this,0);
-   }
+   if (Pkg->TargetVer == 0 || 
+       (AllowCurrent == false && Pkg.TargetVer() == Pkg.CurrentVer()))
+      return pkgCache::GetCandidateVer(Pkg,AllowCurrent);
    else
       return Pkg.TargetVer(); 
 }
@@ -238,11 +203,9 @@ void pkgDepCache::AddSizes(const PkgIterator &Pkg,long Mult)
 {
    StateCache &P = PkgState[Pkg->ID];
    
-   if (Pkg.State() == pkgCache::PkgIterator::NeedsConfigure)
-   {
-      iUsrSize += Mult*P.InstVerIter(*this)->InstalledSize;
+   if (Pkg.State() == pkgCache::PkgIterator::NeedsConfigure && 
+       P.Keep() == true)
       return;
-   }
    
    // Compute the size data
    if (P.NewInstall() == true)
@@ -301,6 +264,10 @@ void pkgDepCache::AddStates(const PkgIterator &Pkg,int Add)
    // Not installed
    if (Pkg->CurrentVer == 0)
    {
+      if (State.Mode == ModeDelete && 
+         (State.iFlags | Purge) == Purge && Pkg.Purge() == false)
+        iDelCount += Add;
+      
       if (State.Mode == ModeInstall)
         iInstCount += Add;
       return;
@@ -311,8 +278,6 @@ void pkgDepCache::AddStates(const PkgIterator &Pkg,int Add)
    {
       if (State.Mode == ModeDelete)
         iDelCount += Add;
-      if (State.Mode == ModeInstall)
-        iInstCount += Add;
       return;
    }
    
@@ -543,9 +508,10 @@ void pkgDepCache::Update(PkgIterator const &Pkg)
         Update(P.ParentPkg().RevDependsList());
 
    // Update the provides map for the candidate ver
-   for (PrvIterator P = PkgState[Pkg->ID].CandidateVerIter(*this).ProvidesList();
-       P.end() != true; P++)
-      Update(P.ParentPkg().RevDependsList());
+   if (PkgState[Pkg->ID].CandidateVer != 0)
+      for (PrvIterator P = PkgState[Pkg->ID].CandidateVerIter(*this).ProvidesList();
+          P.end() != true; P++)
+        Update(P.ParentPkg().RevDependsList());
 }
 
                                                                        /*}}}*/
@@ -558,6 +524,12 @@ void pkgDepCache::MarkKeep(PkgIterator const &Pkg,bool Soft)
    // Simplifies other routines.
    if (Pkg.end() == true)
       return;
+
+   /* Reject an attempt to keep a non-source broken installed package, those
+      must be upgraded */
+   if (Pkg.State() == PkgIterator::NeedsUnpack && 
+       Pkg.CurrentVer().Downloadable() == false)
+      return;
    
    /* We changed the soft state all the time so the UI is a bit nicer
       to use */
@@ -595,7 +567,7 @@ void pkgDepCache::MarkKeep(PkgIterator const &Pkg,bool Soft)
 // DepCache::MarkDelete - Put the package in the delete state          /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-void pkgDepCache::MarkDelete(PkgIterator const &Pkg)
+void pkgDepCache::MarkDelete(PkgIterator const &Pkg, bool rPurge)
 {
    // Simplifies other routines.
    if (Pkg.end() == true)
@@ -603,10 +575,14 @@ void pkgDepCache::MarkDelete(PkgIterator const &Pkg)
 
    // Check that it is not already marked for delete
    StateCache &P = PkgState[Pkg->ID];
-   P.iFlags &= ~AutoKept;
-   if (P.Mode == ModeDelete || P.InstallVer == 0)
+   P.iFlags &= ~(AutoKept | Purge);
+   if (rPurge == true)
+      P.iFlags |= Purge;
+   
+   if ((P.Mode == ModeDelete || P.InstallVer == 0) && 
+       (Pkg.Purge() == true || rPurge == false))
       return;
-
+   
    // We dont even try to delete virtual packages..
    if (Pkg->VersionList == 0)
       return;
@@ -614,7 +590,7 @@ void pkgDepCache::MarkDelete(PkgIterator const &Pkg)
    RemoveSizes(Pkg);
    RemoveStates(Pkg);
    
-   if (Pkg->CurrentVer == 0)
+   if (Pkg->CurrentVer == 0 && (Pkg.Purge() == true || rPurge == false))
       P.Mode = ModeKeep;
    else
       P.Mode = ModeDelete;