squash merge of the feature/apt-binary branch without the changes from experimental

[apt.git] / apt-private / private-cachefile.cc

diff --git a/apt-private/private-cachefile.cc b/apt-private/private-cachefile.cc
new file mode 100644 (file)
index 0000000..25f65ef
--- /dev/null
+++ b/apt-private/private-cachefile.cc
@@ -0,0 +1,109 @@
+// Include files                                                       /*{{{*/
+#include<config.h>
+
+#include <apt-pkg/algorithms.h>
+#include <apt-pkg/error.h>
+
+#include <cstdlib>
+
+#include "private-output.h"
+#include "private-cachefile.h"
+
+#include <apti18n.h>
+                                                                       /*}}}*/
+
+using namespace std;
+
+// CacheFile::NameComp - QSort compare by name                         /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+pkgCache *CacheFile::SortCache = 0;
+int CacheFile::NameComp(const void *a,const void *b)
+{
+   if (*(pkgCache::Package **)a == 0 || *(pkgCache::Package **)b == 0)
+      return *(pkgCache::Package **)a - *(pkgCache::Package **)b;
+   
+   const pkgCache::Package &A = **(pkgCache::Package **)a;
+   const pkgCache::Package &B = **(pkgCache::Package **)b;
+
+   return strcmp(SortCache->StrP + A.Name,SortCache->StrP + B.Name);
+}
+                                                                       /*}}}*/
+// CacheFile::Sort - Sort by name                                      /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void CacheFile::Sort()
+{
+   delete [] List;
+   List = new pkgCache::Package *[Cache->Head().PackageCount];
+   memset(List,0,sizeof(*List)*Cache->Head().PackageCount);
+   pkgCache::PkgIterator I = Cache->PkgBegin();
+   for (;I.end() != true; ++I)
+      List[I->ID] = I;
+
+   SortCache = *this;
+   qsort(List,Cache->Head().PackageCount,sizeof(*List),NameComp);
+}
+                                                                       /*}}}*/
+// CacheFile::CheckDeps - Open the cache file                          /*{{{*/
+// ---------------------------------------------------------------------
+/* This routine generates the caches and then opens the dependency cache
+   and verifies that the system is OK. */
+bool CacheFile::CheckDeps(bool AllowBroken)
+{
+   bool FixBroken = _config->FindB("APT::Get::Fix-Broken",false);
+
+   if (_error->PendingError() == true)
+      return false;
+
+   // Check that the system is OK
+   if (DCache->DelCount() != 0 || DCache->InstCount() != 0)
+      return _error->Error("Internal error, non-zero counts");
+   
+   // Apply corrections for half-installed packages
+   if (pkgApplyStatus(*DCache) == false)
+      return false;
+   
+   if (_config->FindB("APT::Get::Fix-Policy-Broken",false) == true)
+   {
+      FixBroken = true;
+      if ((DCache->PolicyBrokenCount() > 0))
+      {
+        // upgrade all policy-broken packages with ForceImportantDeps=True
+        for (pkgCache::PkgIterator I = Cache->PkgBegin(); !I.end(); ++I)
+           if ((*DCache)[I].NowPolicyBroken() == true) 
+              DCache->MarkInstall(I,true,0, false, true);
+      }
+   }
+
+   // Nothing is broken
+   if (DCache->BrokenCount() == 0 || AllowBroken == true)
+      return true;
+
+   // Attempt to fix broken things
+   if (FixBroken == true)
+   {
+      c1out << _("Correcting dependencies...") << flush;
+      if (pkgFixBroken(*DCache) == false || DCache->BrokenCount() != 0)
+      {
+        c1out << _(" failed.") << endl;
+        ShowBroken(c1out,*this,true);
+
+        return _error->Error(_("Unable to correct dependencies"));
+      }
+      if (pkgMinimizeUpgrade(*DCache) == false)
+        return _error->Error(_("Unable to minimize the upgrade set"));
+      
+      c1out << _(" Done") << endl;
+   }
+   else
+   {
+      c1out << _("You might want to run 'apt-get -f install' to correct these.") << endl;
+      ShowBroken(c1out,*this,true);
+
+      return _error->Error(_("Unmet dependencies. Try using -f."));
+   }
+      
+   return true;
+}
+                                                                       /*}}}*/