1 files changed, 94 insertions, 0 deletions
diff --git a/methods/copy.cc b/methods/copy.cc
new file mode 100644
index 0000000..9a86654
--- /dev/null
+++ b/methods/copy.cc
@@ -0,0 +1,94 @@
+// -*- mode: cpp; mode: fold -*-
+// Description								/*{{{*/
+/* ######################################################################
+
+   Copy URI - This method takes a uri like a file: uri and copies it
+   to the destination file.
+   
+   ##################################################################### */
+									/*}}}*/
+// Include Files							/*{{{*/
+#include <config.h>
+
+#include "aptmethod.h"
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/hashes.h>
+#include <apt-pkg/strutl.h>
+
+#include <string>
+#include <sys/stat.h>
+#include <sys/time.h>
+
+#include <apti18n.h>
+									/*}}}*/
+
+class CopyMethod : public aptMethod
+{
+   virtual bool Fetch(FetchItem *Itm) APT_OVERRIDE;
+
+   public:
+   CopyMethod() : aptMethod("copy", "1.0", SingleInstance | SendConfig)
+   {
+      SeccompFlags = aptMethod::BASE;
+   }
+};
+
+// CopyMethod::Fetch - Fetch a file					/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool CopyMethod::Fetch(FetchItem *Itm)
+{
+   // this ensures that relative paths work in copy
+   std::string const File = Itm->Uri.substr(Itm->Uri.find(':')+1);
+
+   // Stat the file and send a start message
+   struct stat Buf;
+   if (stat(File.c_str(),&Buf) != 0)
+      return _error->Errno("stat",_("Failed to stat"));
+
+   // Forumulate a result and send a start message
+   FetchResult Res;
+   Res.Size = Buf.st_size;
+   Res.Filename = Itm->DestFile;
+   Res.LastModified = Buf.st_mtime;
+   Res.IMSHit = false;
+   URIStart(Res);
+
+   // just calc the hashes if the source and destination are identical
+   if (File == Itm->DestFile || Itm->DestFile == "/dev/null")
+   {
+      CalculateHashes(Itm, Res);
+      URIDone(Res);
+      return true;
+   }
+
+   // See if the file exists
+   FileFd From(File,FileFd::ReadOnly);
+   FileFd To(Itm->DestFile,FileFd::WriteAtomic);
+   To.EraseOnFailure();
+
+   // Copy the file
+   if (CopyFile(From,To) == false)
+   {
+      To.OpFail();
+      return false;
+   }
+
+   From.Close();
+   To.Close();
+
+   if (TransferModificationTimes(File.c_str(), Res.Filename.c_str(), Res.LastModified) == false)
+      return false;
+
+   CalculateHashes(Itm, Res);
+   URIDone(Res);
+   return true;
+}
+									/*}}}*/
+
+int main()
+{
+   return CopyMethod().Run();
+}