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// -*- 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 | SendURIEncoded)
{
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 = DecodeSendURI(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();
}
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