* merged the apt--DoListUpdate branch, this provides a common interface

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

diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc
index 158f9c258f4b1c6c973a6c2d2d29fc5c569f6c0e..6e2b9755730c11b824dde72ce199b791a5d4972b 100644 (file)
--- a/apt-pkg/algorithms.cc
+++ b/apt-pkg/algorithms.cc
@@ -19,7 +19,7 @@
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/version.h>
 #include <apt-pkg/sptr.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/version.h>
 #include <apt-pkg/sptr.h>

-
+#include <apt-pkg/acquire-item.h>

     
 #include <apti18n.h>
 #include <sys/types.h>
     
 #include <apti18n.h>
 #include <sys/types.h>


@@ -1302,3 +1302,77 @@ void pkgPrioSortList(pkgCache &Cache,pkgCache::Version **List)
 }
                                                                        /*}}}*/
 
 }
                                                                        /*}}}*/
 

+// CacheFile::ListUpdate - update the cache files                      /*{{{*/
+// ---------------------------------------------------------------------
+/* This is a simple wrapper to update the cache. it will fetch stuff
+ * from the network (or any other sources defined in sources.list)
+ */
+bool ListUpdate(pkgAcquireStatus &Stat, 
+               pkgSourceList &List, 
+               int PulseInterval)
+{
+   pkgAcquire::RunResult res;
+   pkgAcquire Fetcher(&Stat);
+
+   // Populate it with the source selection
+   if (List.GetIndexes(&Fetcher) == false)
+        return false;
+
+   // Run scripts
+   RunScripts("APT::Update::Pre-Invoke");
+   
+   // check arguments
+   if(PulseInterval>0)
+      res = Fetcher.Run(PulseInterval);
+   else
+      res = Fetcher.Run();
+
+   if (res == pkgAcquire::Failed)
+      return false;
+
+   bool Failed = false;
+   bool TransientNetworkFailure = false;
+   for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); 
+       I != Fetcher.ItemsEnd(); I++)
+   {
+      if ((*I)->Status == pkgAcquire::Item::StatDone)
+        continue;
+
+      (*I)->Finished();
+
+      _error->Warning(_("Failed to fetch %s  %s\n"),(*I)->DescURI().c_str(),
+             (*I)->ErrorText.c_str());
+
+      if ((*I)->Status == pkgAcquire::Item::StatTransientNetworkError) 
+      {
+        TransientNetworkFailure = true;
+        continue;
+      }
+
+      Failed = true;
+   }
+   
+   // Clean out any old list files
+   // Keep "APT::Get::List-Cleanup" name for compatibility, but
+   // this is really a global option for the APT library now
+   if (!TransientNetworkFailure && !Failed &&
+       (_config->FindB("APT::Get::List-Cleanup",true) == true ||
+       _config->FindB("APT::List-Cleanup",true) == true))
+   {
+      if (Fetcher.Clean(_config->FindDir("Dir::State::lists")) == false ||
+         Fetcher.Clean(_config->FindDir("Dir::State::lists") + "partial/") == false)
+        // something went wrong with the clean
+        return false;
+   }
+   
+   if (TransientNetworkFailure == true)
+      _error->Warning(_("Some index files failed to download, they have been ignored, or old ones used instead."));
+   else if (Failed == true)
+      return _error->Error(_("Some index files failed to download, they have been ignored, or old ones used instead."));
+
+
+   // Run the scripts if all was fine
+   RunScripts("APT::Update::Post-Invoke");
+   return true;
+}
+                                                                       /*}}}*/