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

  for apt-get update like operations for the frontends and also provides
  hooks to run stuff in APT::Update::{Pre,Post}-Invoke

1 files changed, 69 insertions, 0 deletions

diff --git a/apt-pkg/cachefile.cc b/apt-pkg/cachefile.cc
index cccad2bf3..4c2c56893 100644
--- a/apt-pkg/cachefile.cc
+++ b/apt-pkg/cachefile.cc
@@ -19,6 +19,8 @@
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/policy.h>
 #include <apt-pkg/pkgsystem.h>
+#include <apt-pkg/acquire-item.h>
+#include <apt-pkg/fileutl.h>
     
 #include <apti18n.h>
 									/*}}}*/
@@ -107,6 +109,73 @@ bool pkgCacheFile::Open(OpProgress &Progress,bool WithLock)
 }
 									/*}}}*/
 
+// 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 pkgCacheFile::ListUpdate(pkgAcquireStatus &Stat, pkgSourceList &List)
+{
+   pkgAcquire Fetcher(&Stat);
+
+   // Populate it with the source selection
+   if (List.GetIndexes(&Fetcher) == false)
+	 return false;
+
+   // Run scripts
+   RunScripts("APT::Update::Pre-Invoke");
+   
+   // Run it
+   if (Fetcher.Run() == 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();
+
+      fprintf(stderr,_("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;
+}
+									/*}}}*/
+
 // CacheFile::Close - close the cache files				/*{{{*/
 // ---------------------------------------------------------------------
 /* */