From c03462c6fed27e26b2bab4b3b34589fa8bf464f8 Mon Sep 17 00:00:00 2001
From: Michael Vogt <michael.vogt@ubuntu.com>
Date: Tue, 17 Apr 2007 15:33:19 +0200
Subject: [PATCH] * [ABI] apt-pkg/acquire.{cc,h}:   - deal better with
 duplicated sources.list entries (avoid     double queuing of  URLs) - this
 fixes hangs in bzip/gzip

---
 apt-pkg/acquire.cc | 19 +++++++++++++------
 apt-pkg/acquire.h  |  2 +-
 apt-pkg/init.h     |  2 +-
 apt-pkg/makefile   |  2 +-
 debian/changelog   |  3 +++
 methods/makefile   |  2 +-
 6 files changed, 20 insertions(+), 10 deletions(-)

diff --git a/apt-pkg/acquire.cc b/apt-pkg/acquire.cc
index fff1b2b6a..e1dccf25a 100644
--- a/apt-pkg/acquire.cc
+++ b/apt-pkg/acquire.cc
@@ -193,9 +193,9 @@ void pkgAcquire::Enqueue(ItemDesc &Item)
    Item.Owner->Status = Item::StatIdle;
    
    // Queue it into the named queue
-   I->Enqueue(Item);
-   ToFetch++;
-         
+   if(I->Enqueue(Item)) 
+      ToFetch++;
+            
    // Some trace stuff
    if (Debug == true)
    {
@@ -549,11 +549,17 @@ pkgAcquire::Queue::~Queue()
 // Queue::Enqueue - Queue an item to the queue				/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-void pkgAcquire::Queue::Enqueue(ItemDesc &Item)
+bool pkgAcquire::Queue::Enqueue(ItemDesc &Item)
 {
    QItem **I = &Items;
-   for (; *I != 0; I = &(*I)->Next);
-   
+   // move to the end of the queue and check for duplicates here
+   for (; *I != 0; I = &(*I)->Next)
+      if (Item.URI == (*I)->URI) 
+      {
+	 Item.Owner->Status = Item::StatDone;
+	 return false;
+      }
+
    // Create a new item
    QItem *Itm = new QItem;
    *Itm = Item;
@@ -563,6 +569,7 @@ void pkgAcquire::Queue::Enqueue(ItemDesc &Item)
    Item.Owner->QueueCounter++;   
    if (Items->Next == 0)
       Cycle();
+   return true;
 }
 									/*}}}*/
 // Queue::Dequeue - Remove an item from the queue			/*{{{*/
diff --git a/apt-pkg/acquire.h b/apt-pkg/acquire.h
index 27bb3d363..1d5daf12e 100644
--- a/apt-pkg/acquire.h
+++ b/apt-pkg/acquire.h
@@ -173,7 +173,7 @@ class pkgAcquire::Queue
    public:
    
    // Put an item into this queue
-   void Enqueue(ItemDesc &Item);
+   bool Enqueue(ItemDesc &Item);
    bool Dequeue(Item *Owner);
 
    // Find a Queued item
diff --git a/apt-pkg/init.h b/apt-pkg/init.h
index 8255b406a..b584b2cce 100644
--- a/apt-pkg/init.h
+++ b/apt-pkg/init.h
@@ -18,7 +18,7 @@
 
 // See the makefile
 #define APT_PKG_MAJOR 3
-#define APT_PKG_MINOR 11
+#define APT_PKG_MINOR 12
 #define APT_PKG_RELEASE 0
     
 extern const char *pkgVersion;
diff --git a/apt-pkg/makefile b/apt-pkg/makefile
index 7e5feae53..c493d3dd9 100644
--- a/apt-pkg/makefile
+++ b/apt-pkg/makefile
@@ -13,7 +13,7 @@ include ../buildlib/defaults.mak
 # methods/makefile - FIXME
 LIBRARY=apt-pkg
 LIBEXT=$(GLIBC_VER)$(LIBSTDCPP_VER)
-MAJOR=3.11
+MAJOR=3.12
 MINOR=0
 SLIBS=$(PTHREADLIB) $(INTLLIBS)
 APT_DOMAIN:=libapt-pkg$(MAJOR)
diff --git a/debian/changelog b/debian/changelog
index 1786bdfb7..8b566e5c4 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -18,6 +18,9 @@ apt (0.6.47) UNRELEASED; urgency=low
     - fix error translation that causes trouble to lsb_release
   * apt-pkg/acquire-item.cc:
     - if decompression of a index fails, delete the index 
+  * [ABI] apt-pkg/acquire.{cc,h}:
+    - deal better with duplicated sources.list entries (avoid
+      double queuing of  URLs) - this fixes hangs in bzip/gzip
 
  -- Michael Vogt <michael.vogt@ubuntu.com>  Mon, 18 Dec 2006 19:39:05 +0100
 
diff --git a/methods/makefile b/methods/makefile
index 1e3b1ef85..3f561a2c3 100644
--- a/methods/makefile
+++ b/methods/makefile
@@ -7,7 +7,7 @@ include ../buildlib/defaults.mak
 BIN := $(BIN)/methods
 
 # FIXME..
-LIB_APT_PKG_MAJOR = 3.11
+LIB_APT_PKG_MAJOR = 3.12
 APT_DOMAIN := libapt-pkg$(LIB_APT_PKG_MAJOR)
 
 # The file method
-- 
2.45.2