From debc84b22e6e841119036af7aee91db2b0989ab9 Mon Sep 17 00:00:00 2001
From: Matt Zimmerman <matt.zimmerman@canonical.com>
Date: Mon, 15 Nov 2004 21:16:15 +0000
Subject: Packages.bz2 support from Michael Vogt First tries Packages.bz2, and
 if that fails, falls back to Packages.gz

---
 apt-pkg/acquire-item.cc | 32 +++++++++++++++++++++++++++++---
 1 file changed, 29 insertions(+), 3 deletions(-)

(limited to 'apt-pkg/acquire-item.cc')

diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc
index 27e98283f..bf19290c6 100644
--- a/apt-pkg/acquire-item.cc
+++ b/apt-pkg/acquire-item.cc
@@ -144,7 +144,7 @@ pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner,
    DestFile += URItoFileName(URI);
 
    // Create the item
-   Desc.URI = URI + ".gz";
+   Desc.URI = URI + ".bz2"; 
    Desc.Description = URIDesc;
    Desc.Owner = this;
    Desc.ShortDesc = ShortDesc;
@@ -167,6 +167,21 @@ string pkgAcqIndex::Custom600Headers()
    return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
 }
 									/*}}}*/
+
+void pkgAcqIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
+{
+   // no .bz2 found, retry with .gz
+   if(Desc.URI.substr(Desc.URI.size()-3,Desc.URI.size()-1) == "bz2") {
+      Desc.URI = Desc.URI.substr(0,Desc.URI.size()-3) + "gz"; 
+      QueueURI(Desc);
+      return;
+   }
+
+   
+   Item::Failed(Message,Cnf);
+}
+
+
 // AcqIndex::Done - Finished a fetch					/*{{{*/
 // ---------------------------------------------------------------------
 /* This goes through a number of states.. On the initial fetch the
@@ -234,11 +249,22 @@ void pkgAcqIndex::Done(string Message,unsigned long Size,string MD5,
    else
       Local = true;
    
+   string compExt = Desc.URI.substr(Desc.URI.size()-3,Desc.URI.size()-1);
+   char *decompProg;
+   if(compExt == "bz2") 
+      decompProg = "bzip2";
+   else if(compExt == ".gz") 
+      decompProg = "gzip";
+   else {
+      _error->Error("Unsupported extension: %s", compExt.c_str());
+      return;
+   }
+
    Decompression = true;
    DestFile += ".decomp";
-   Desc.URI = "gzip:" + FileName;
+   Desc.URI = string(decompProg) + ":" + FileName;
    QueueURI(Desc);
-   Mode = "gzip";
+   Mode = decompProg;
 }
 									/*}}}*/
 
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