X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/857e9c13d8d9808fcd1ac8ff3469f6c0b90b7fea..fc04d4b48a0a464a9fc3570e674c17ad81c3134d:/apt-pkg/deb/deblistparser.cc

diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc
index 26841d3d2..84eab44a7 100644
--- a/apt-pkg/deb/deblistparser.cc
+++ b/apt-pkg/deb/deblistparser.cc
@@ -17,10 +17,9 @@
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/crc-16.h>
 #include <apt-pkg/md5.h>
+#include <apt-pkg/macros.h>
 
 #include <ctype.h>
-
-#include <system.h>
 									/*}}}*/
 
 static debListParser::WordList PrioList[] = {{"important",pkgCache::State::Important},
@@ -148,6 +147,25 @@ bool debListParser::NewVersion(pkgCache::VerIterator Ver)
 	 Ver->Priority = pkgCache::State::Extra;
    }
 
+   if (Ver->MultiArch == pkgCache::Version::All)
+   {
+      /* We maintain a "pseudo" arch=all package for architecture all versions
+	 on which these versions can depend on. This pseudo package is many used
+	 for downloading/installing: The other pseudo-packages will degenerate
+	 to a NOP in the download/install step - this package will ensure that
+	 it is downloaded only one time and installed only one time -- even if
+	 the architecture bound versions coming in and out on regular basis. */
+      bool const static multiArch = APT::Configuration::getArchitectures().size() > 1;
+      if (strcmp(Ver.Arch(true),"all") == 0)
+	 return true;
+      else if (multiArch == true)
+      {
+	 // our pseudo packages have no size to not confuse the fetcher
+	 Ver->Size = 0;
+	 Ver->InstalledSize = 0;
+      }
+   }
+
    if (ParseDepends(Ver,"Depends",pkgCache::Dep::Depends) == false)
       return false;
    if (ParseDepends(Ver,"Pre-Depends",pkgCache::Dep::PreDepends) == false)
@@ -593,7 +611,7 @@ bool debListParser::ParseDepends(pkgCache::VerIterator Ver,
       return true;
    
    string Package;
-   string const pkgArch = Ver.Arch();
+   string const pkgArch = Ver.Arch(true);
    string Version;
    unsigned int Op;
 
@@ -618,29 +636,52 @@ bool debListParser::ParseProvides(pkgCache::VerIterator Ver)
 {
    const char *Start;
    const char *Stop;
-   if (Section.Find("Provides",Start,Stop) == false)
-      return true;
-   
-   string Package;
-   string Version;
-   unsigned int Op;
-
-   while (1)
+   if (Section.Find("Provides",Start,Stop) == true)
    {
-      Start = ParseDepends(Start,Stop,Package,Version,Op);
-      if (Start == 0)
-	 return _error->Error("Problem parsing Provides line");
-      if (Op != pkgCache::Dep::NoOp) {
-	 _error->Warning("Ignoring Provides line with DepCompareOp for package %s", Package.c_str());
-      } else {
-	 if (NewProvides(Ver,Package,Version) == false)
-	    return false;
+      string Package;
+      string Version;
+      string const Arch = Ver.Arch(true);
+      unsigned int Op;
+
+      while (1)
+      {
+	 Start = ParseDepends(Start,Stop,Package,Version,Op);
+	 if (Start == 0)
+	    return _error->Error("Problem parsing Provides line");
+	 if (Op != pkgCache::Dep::NoOp) {
+	    _error->Warning("Ignoring Provides line with DepCompareOp for package %s", Package.c_str());
+	 } else {
+	    if (NewProvides(Ver, Package, Arch, Version) == false)
+	       return false;
+	 }
+
+	 if (Start == Stop)
+	    break;
       }
+   }
 
-      if (Start == Stop)
-	 break;
+   if (Ver->MultiArch == pkgCache::Version::Allowed)
+   {
+      string const Package = string(Ver.ParentPkg().Name()).append(":").append("any");
+      NewProvides(Ver, Package, "any", Ver.VerStr());
    }
-   
+
+   if (Ver->MultiArch != pkgCache::Version::Foreign)
+      return true;
+
+   std::vector<string> const archs = APT::Configuration::getArchitectures();
+   if (archs.size() <= 1)
+      return true;
+
+   string const Package = Ver.ParentPkg().Name();
+   string const Version = Ver.VerStr();
+   for (std::vector<string>::const_iterator a = archs.begin();
+	a != archs.end(); ++a)
+   {
+      if (NewProvides(Ver, Package, *a, Version) == false)
+	 return false;
+   }
+
    return true;
 }
 									/*}}}*/