try xz instead of bz2 first for compressed files

[apt.git] / apt-pkg / clean.cc

diff --git a/apt-pkg/clean.cc b/apt-pkg/clean.cc
index f5a939968dc26510c3133d3c59dabff599a5bd7b..ebe8a8a530569ad5df7f80d49e5754bac23c41dd 100644 (file)
--- a/apt-pkg/clean.cc
+++ b/apt-pkg/clean.cc
@@ -15,7 +15,12 @@
 #include <apt-pkg/error.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/aptconfiguration.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
 
+#include <string>
+#include <string.h>
 #include <dirent.h>
 #include <sys/stat.h>
 #include <unistd.h>
@@ -29,7 +34,10 @@
 bool pkgArchiveCleaner::Go(std::string Dir,pkgCache &Cache)
 {
    bool CleanInstalled = _config->FindB("APT::Clean-Installed",true);
-      
+
+   if(Dir == "/")
+      return _error->Error(_("Clean of %s is not supported"), Dir.c_str());
+
    DIR *D = opendir(Dir.c_str());
    if (D == 0)
       return _error->Errno("opendir",_("Unable to read %s"),Dir.c_str());
@@ -53,9 +61,11 @@ bool pkgArchiveCleaner::Go(std::string Dir,pkgCache &Cache)
       struct stat St;
       if (stat(Dir->d_name,&St) != 0)
       {
-        chdir(StartDir.c_str());
+        _error->Errno("stat",_("Unable to stat %s."),Dir->d_name);
         closedir(D);
-        return _error->Errno("stat",_("Unable to stat %s."),Dir->d_name);
+        if (chdir(StartDir.c_str()) != 0)
+           return _error->Errno("chdir", _("Unable to change to %s"), StartDir.c_str());
+        return false;
       }
       
       // Grab the package name
@@ -78,12 +88,13 @@ bool pkgArchiveCleaner::Go(std::string Dir,pkgCache &Cache)
       if (*I != '.')
         continue;
       std::string const Arch = DeQuoteString(std::string(Start,I-Start));
-      
+
+      // ignore packages of unconfigured architectures
       if (APT::Configuration::checkArchitecture(Arch) == false)
         continue;
       
       // Lookup the package
-      pkgCache::PkgIterator P = Cache.FindPkg(Pkg);
+      pkgCache::PkgIterator P = Cache.FindPkg(Pkg, Arch);
       if (P.end() != true)
       {
         pkgCache::VerIterator V = P.VersionList();
@@ -95,13 +106,13 @@ bool pkgArchiveCleaner::Go(std::string Dir,pkgCache &Cache)
                 J.end() == false; ++J)
            {
               if (CleanInstalled == true &&
-                  (J.File()->Flags & pkgCache::Flag::NotSource) != 0)
+                  J.File().Flagged(pkgCache::Flag::NotSource))
                  continue;
               IsFetchable = true;
               break;
            }
            
-           // See if this verison matches the file
+           // See if this version matches the file
            if (IsFetchable == true && Ver == V.VerStr())
               break;
         }
@@ -114,8 +125,12 @@ bool pkgArchiveCleaner::Go(std::string Dir,pkgCache &Cache)
       Erase(Dir->d_name,Pkg,Ver,St);
    };
    
-   chdir(StartDir.c_str());
    closedir(D);
-   return true;   
+   if (chdir(StartDir.c_str()) != 0)
+      return _error->Errno("chdir", _("Unable to change to %s"), StartDir.c_str());
+   return true;
 }
                                                                        /*}}}*/
+
+pkgArchiveCleaner::pkgArchiveCleaner() : d(NULL) {}
+APT_CONST pkgArchiveCleaner::~pkgArchiveCleaner() {}