From d428d131a29a08fa7c1d95b98b684fb2ebb554c0 Mon Sep 17 00:00:00 2001
From: Michael Vogt <mvo@debian.org>
Date: Sat, 5 Oct 2013 12:22:55 +0200
Subject: Move ListUpdate/AquireUpdate into update.{cc,h}

This moves the ListUpdate/AquireUpdate out of the "catch-all"
algorithm.{cc,h} file into its own update.{cc,h}
---
 apt-pkg/update.cc | 126 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 126 insertions(+)
 create mode 100644 apt-pkg/update.cc

(limited to 'apt-pkg/update.cc')

diff --git a/apt-pkg/update.cc b/apt-pkg/update.cc
new file mode 100644
index 000000000..97be5490b
--- /dev/null
+++ b/apt-pkg/update.cc
@@ -0,0 +1,126 @@
+
+// Include Files							/*{{{*/
+#include <config.h>
+
+#include <apt-pkg/algorithms.h>
+#include <apt-pkg/update.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/version.h>
+#include <apt-pkg/sptr.h>
+#include <apt-pkg/acquire-item.h>
+#include <apt-pkg/edsp.h>
+#include <apt-pkg/sourcelist.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/progress.h>
+
+#include <sys/types.h>
+#include <cstdlib>
+#include <algorithm>
+#include <iostream>
+#include <stdio.h>
+
+#include <apti18n.h>
+									/*}}}*/
+
+using namespace std;
+
+// ListUpdate - construct Fetcher and 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 Fetcher;
+   if (Fetcher.Setup(&Stat, _config->FindDir("Dir::State::Lists")) == false)
+      return false;
+
+   // Populate it with the source selection
+   if (List.GetIndexes(&Fetcher) == false)
+	 return false;
+
+   return AcquireUpdate(Fetcher, PulseInterval, true);
+}
+									/*}}}*/
+// AcquireUpdate - take Fetcher and update the cache files		/*{{{*/
+// ---------------------------------------------------------------------
+/* This is a simple wrapper to update the cache with a provided acquire
+ * If you only need control over Status and the used SourcesList use
+ * ListUpdate method instead.
+ */
+bool AcquireUpdate(pkgAcquire &Fetcher, int const PulseInterval,
+		   bool const RunUpdateScripts, bool const ListCleanup)
+{
+   // Run scripts
+   if (RunUpdateScripts == true)
+      RunScripts("APT::Update::Pre-Invoke");
+
+   pkgAcquire::RunResult res;
+   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();
+
+      ::URI uri((*I)->DescURI());
+      uri.User.clear();
+      uri.Password.clear();
+      string descUri = string(uri);
+      _error->Warning(_("Failed to fetch %s  %s\n"), 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 && ListCleanup == true &&
+       (_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 success scripts if all was fine
+   if (RunUpdateScripts == true)
+   {
+      if(!TransientNetworkFailure && !Failed)
+	 RunScripts("APT::Update::Post-Invoke-Success");
+
+      // Run the other scripts
+      RunScripts("APT::Update::Post-Invoke");
+   }
+   return true;
+}
+									/*}}}*/
-- 
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