* apt-pkg/pkgcache.cc:

  - use the native Architecture stored in the cache header instead of
    loading it from configuration as suggested by Julian Andres Klode

4 files changed, 23 insertions, 7 deletions

diff --git a/apt-pkg/pkgcache.cc b/apt-pkg/pkgcache.cc
index c6326abf1..b63900adb 100644
--- a/apt-pkg/pkgcache.cc
+++ b/apt-pkg/pkgcache.cc
@@ -217,6 +217,9 @@ pkgCache::PkgIterator pkgCache::FindPkg(const string &Name) {
 	if (found == string::npos)
 		return FindPkg(Name, "native");
 	string const Arch = Name.substr(found+1);
+	/* Beware: This is specialcased to handle pkg:any in dependencies as
+	   these are linked to virtual pkg:any named packages with all archs.
+	   If you want any arch from a given pkg, use FindPkg(pkg,arch) */
 	if (Arch == "any")
 		return FindPkg(Name, "any");
 	return FindPkg(Name.substr(0, found), Arch);
@@ -228,7 +231,7 @@ pkgCache::PkgIterator pkgCache::FindPkg(const string &Name) {
 pkgCache::PkgIterator pkgCache::FindPkg(const string &Name, string const &Arch) {
 	if (MultiArchCache() == false) {
 		if (Arch == "native" || Arch == "all" || Arch == "any" ||
-		    Arch == _config->Find("APT::Architecture"))
+		    Arch == NativeArch())
 			return SingleArchFindPkg(Name);
 		else
 			return PkgIterator(*this,0);
@@ -322,15 +325,15 @@ pkgCache::PkgIterator pkgCache::GrpIterator::FindPkg(string Arch) const {
 	if (Arch == "any")
 		return PkgIterator(*Owner, Owner->PkgP + S->FirstPackage);
 
-	static string const myArch = _config->Find("APT::Architecture");
+	char const* const myArch = Owner->NativeArch();
 	/* Most of the time the package for our native architecture is
 	   the one we add at first to the cache, but this would be the
 	   last one we check, so we do it now. */
 	if (Arch == "native" || Arch == myArch || Arch == "all") {
-		Arch = myArch;
 		pkgCache::Package *Pkg = Owner->PkgP + S->LastPackage;
-		if (stringcasecmp(Arch, Owner->StrP + Pkg->Arch) == 0)
+		if (strcasecmp(myArch, Owner->StrP + Pkg->Arch) == 0)
 			return PkgIterator(*Owner, Pkg);
+		Arch = myArch;
 	}
 
 	/* Iterate over the list to find the matching arch
@@ -503,7 +506,8 @@ std::string pkgCache::PkgIterator::FullName(bool const &Pretty) const
 {
    string fullname = Name();
    if (Pretty == false ||
-       (strcmp(Arch(), "all") != 0 && _config->Find("APT::Architecture") != Arch()))
+       (strcmp(Arch(), "all") != 0 &&
+	strcmp(Owner->NativeArch(), Arch()) != 0))
       return fullname.append(":").append(Arch());
    return fullname;
 }
diff --git a/apt-pkg/pkgcache.h b/apt-pkg/pkgcache.h
index d654a2976..1b1743724 100644
--- a/apt-pkg/pkgcache.h
+++ b/apt-pkg/pkgcache.h
@@ -215,6 +215,7 @@ class pkgCache								/*{{{*/
 private:
    bool MultiArchEnabled;
    PkgIterator SingleArchFindPkg(const string &Name);
+   inline char const * const NativeArch() const;
 };
 									/*}}}*/
 // Header structure							/*{{{*/
@@ -649,6 +650,11 @@ struct pkgCache::StringItem
    map_ptrloc NextItem;      // StringItem
 };
 									/*}}}*/
+
+
+inline char const * const pkgCache::NativeArch() const
+	{ return StrP + HeaderP->Architecture; };
+
 #include <apt-pkg/cacheiterators.h>
 
 inline pkgCache::GrpIterator pkgCache::GrpBegin() 
diff --git a/apt-pkg/pkgcachegen.cc b/apt-pkg/pkgcachegen.cc
index b0ee04554..9820fde81 100644
--- a/apt-pkg/pkgcachegen.cc
+++ b/apt-pkg/pkgcachegen.cc
@@ -479,7 +479,8 @@ bool pkgCacheGenerator::NewPackage(pkgCache::PkgIterator &Pkg,const string &Name
    // Set the name, arch and the ID
    Pkg->Name = Grp->Name;
    Pkg->Group = Grp.Index();
-   map_ptrloc const idxArch = WriteUniqString((Arch == "all") ? _config->Find("APT::Architecture") : Arch.c_str());
+   // all is mapped to the native architecture
+   map_ptrloc const idxArch = (Arch == "all") ? Cache.HeaderP->Architecture : WriteUniqString(Arch.c_str());
    if (unlikely(idxArch == 0))
       return false;
    Pkg->Arch = idxArch;
@@ -783,7 +784,7 @@ bool pkgCacheGenerator::ListParser::NewProvides(pkgCache::VerIterator &Ver,
 
    // We do not add self referencing provides
    if (Ver.ParentPkg().Name() == PkgName && (PkgArch == Ver.ParentPkg().Arch() ||
-	(PkgArch == "all" && _config->Find("APT::Architecture") == Ver.ParentPkg().Arch())))
+	(PkgArch == "all" && strcmp((Cache.StrP + Cache.HeaderP->Architecture), Ver.ParentPkg().Arch()) == 0)))
       return true;
    
    // Get a structure
diff --git a/debian/changelog b/debian/changelog
index b42a38192..9f80cbc7c 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -4,6 +4,11 @@ apt (0.8.13.2ubuntu2) UNRELEASED; urgency=low
   * debian/apt.cron.daily:
     - run unattended-upgrades even if there was a error during
       the apt-get update (LP: #676295)
+  
+  [ David Kalnischkies  ]
+  * apt-pkg/pkgcache.cc:
+    - use the native Architecture stored in the cache header instead of
+      loading it from configuration as suggested by Julian Andres Klode
 
  -- Michael Vogt <michael.vogt@ubuntu.com>  Thu, 10 Mar 2011 15:56:54 +0100