From b21c043804b1be7f4d79ac3f5a6615dc96f26a42 Mon Sep 17 00:00:00 2001
From: Matt Zimmerman <matt.zimmerman@canonical.com>
Date: Sun, 12 Dec 2004 17:51:33 +0000
Subject: Merge bzip2-debs branch Patches applied:

 * apt@packages.debian.org/apt--bzip2-debs--0--base-0
   tag of apt@packages.debian.org/apt--main--0--patch-30

 * apt@packages.debian.org/apt--bzip2-debs--0--patch-1
   Create baz branch

 * apt@packages.debian.org/apt--bzip2-debs--0--patch-2
   Implement data.tar.bz2 support
---
 apt-inst/deb/debfile.cc | 33 +++++++++++++++++++++++----------
 1 file changed, 23 insertions(+), 10 deletions(-)

(limited to 'apt-inst/deb')

diff --git a/apt-inst/deb/debfile.cc b/apt-inst/deb/debfile.cc
index d3a39911d..b838185d8 100644
--- a/apt-inst/deb/debfile.cc
+++ b/apt-inst/deb/debfile.cc
@@ -37,12 +37,21 @@ debDebFile::debDebFile(FileFd &File) : File(File), AR(File)
 {
    if (_error->PendingError() == true)
       return;
-   
-   // Check the members for validity
-   if (CheckMember("debian-binary") == false ||
-       CheckMember("control.tar.gz") == false ||
-       CheckMember("data.tar.gz") == false)
+
+   if (!CheckMember("debian-binary")) {
+      _error->Error(_("This is not a valid DEB archive, missing '%s' member"), "debian-binary");
+      return;
+   }
+
+   if (!CheckMember("control.tar.gz")) {
+      _error->Error(_("This is not a valid DEB archive, missing '%s' member"), "control.tar.gz");
       return;
+   }
+
+   if (!CheckMember("data.tar.gz") && !CheckMember("data.tar.bz2")) {
+      _error->Error(_("This is not a valid DEB archive, it has no '%s' or '%s' member"), "data.tar.gz", "data.tar.bz2");
+      return;
+   }
 }
 									/*}}}*/
 // DebFile::CheckMember - Check if a named member is in the archive	/*{{{*/
@@ -52,7 +61,7 @@ debDebFile::debDebFile(FileFd &File) : File(File), AR(File)
 bool debDebFile::CheckMember(const char *Name)
 {
    if (AR.FindMember(Name) == 0)
-      return _error->Error(_("This is not a valid DEB archive, missing '%s' member"),Name);
+      return false;
    return true;
 }
 									/*}}}*/
@@ -69,7 +78,6 @@ const ARArchive::Member *debDebFile::GotoMember(const char *Name)
    const ARArchive::Member *Member = AR.FindMember(Name);
    if (Member == 0)
    {
-      _error->Error(_("Internal Error, could not locate member %s"),Name);
       return 0;
    }
    if (File.Seek(Member->Start) == false)
@@ -91,7 +99,7 @@ bool debDebFile::ExtractControl(pkgDataBase &DB)
       
    // Prepare Tar
    ControlExtract Extract;
-   ExtractTar Tar(File,Member->Size);
+   ExtractTar Tar(File,Member->Size,"gzip");
    if (_error->PendingError() == true)
       return false;
    
@@ -121,13 +129,18 @@ bool debDebFile::ExtractArchive(pkgDirStream &Stream)
 {
    // Get the archive member and positition the file 
    const ARArchive::Member *Member = AR.FindMember("data.tar.gz");
+   const char *Compressor = "gzip";
+   if (Member == 0) {
+      Member = AR.FindMember("data.tar.bz2");
+      Compressor = "bzip2";
+   }
    if (Member == 0)
       return _error->Error(_("Internal Error, could not locate member"));   
    if (File.Seek(Member->Start) == false)
       return false;
       
    // Prepare Tar
-   ExtractTar Tar(File,Member->Size);
+   ExtractTar Tar(File,Member->Size,Compressor);
    if (_error->PendingError() == true)
       return false;
    return Tar.Go(Stream);
@@ -230,7 +243,7 @@ bool debDebFile::MemControlExtract::Read(debDebFile &Deb)
       return false;
 
    // Extract it.
-   ExtractTar Tar(Deb.GetFile(),Member->Size);
+   ExtractTar Tar(Deb.GetFile(),Member->Size,"gzip");
    if (Tar.Go(*this) == false)
       return false;
 
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