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[apt.git] / methods / copy.cc

diff --git a/methods/copy.cc b/methods/copy.cc
index e63801f382dc83f7b7334c5a63927df6dc3d8309..b78053d364724bba2030206a1e417be4eee4b068 100644 (file)
--- a/methods/copy.cc
+++ b/methods/copy.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: copy.cc,v 1.4 1998/10/30 07:53:51 jgg Exp $
+// $Id: copy.cc,v 1.7.2.1 2004/01/16 18:58:50 mdz Exp $
 /* ######################################################################
 
    Copy URI - This method takes a uri like a file: uri and copies it
@@ -9,69 +9,106 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
+#include <config.h>
+
 #include <apt-pkg/fileutl.h>
+#include <apt-pkg/strutl.h>
 #include <apt-pkg/acquire-method.h>
 #include <apt-pkg/error.h>
+#include <apt-pkg/hashes.h>
+#include <apt-pkg/configuration.h>
 
+#include <string>
 #include <sys/stat.h>
-#include <utime.h>
-#include <unistd.h>
+#include <sys/time.h>
+
+#include <apti18n.h>
                                                                        /*}}}*/
 
 class CopyMethod : public pkgAcqMethod
 {
-   virtual bool Fetch(string Message,URI Get);
+   virtual bool Fetch(FetchItem *Itm);
+   void CalculateHashes(FetchResult &Res);
    
    public:
    
-   CopyMethod() : pkgAcqMethod("1.0",SingleInstance) {};
+   CopyMethod() : pkgAcqMethod("1.0",SingleInstance | SendConfig) {};
 };
 
+void CopyMethod::CalculateHashes(FetchResult &Res)
+{
+   // For gzip indexes we need to look inside the gzip for the hash
+   // We can not use the extension here as its not used in partial 
+   // on a IMS hit
+   FileFd::OpenMode OpenMode = FileFd::ReadOnly;
+   if (_config->FindB("Acquire::GzipIndexes", false) == true)
+      OpenMode = FileFd::ReadOnlyGzip;
+
+   Hashes Hash;
+   FileFd Fd(Res.Filename, OpenMode);
+   Hash.AddFD(Fd);
+   Res.TakeHashes(Hash);
+}
+
 // CopyMethod::Fetch - Fetch a file                                    /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool CopyMethod::Fetch(string Message,URI Get)
+bool CopyMethod::Fetch(FetchItem *Itm)
 {
-   string File = Get.Path;
+   // this ensures that relative paths work in copy
+   std::string 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)
+   {
+      CalculateHashes(Res);
+      URIDone(Res);
+      return true;
+   }
 
    // See if the file exists
    FileFd From(File,FileFd::ReadOnly);
-   FileFd To(DestFile,FileFd::WriteEmpty);
+   FileFd To(Itm->DestFile,FileFd::WriteAtomic);
    To.EraseOnFailure();
    if (_error->PendingError() == true)
+   {
+      To.OpFail();
       return false;
+   }
    
    // Copy the file
    if (CopyFile(From,To) == false)
+   {
+      To.OpFail();
       return false;
+   }
 
    From.Close();
    To.Close();
-   
+
    // Transfer the modification times
-   struct stat Buf;
-   if (stat(File.c_str(),&Buf) != 0)
-   {
-      To.OpFail();
-      return _error->Errno("stat","Failed to stat");
-   }
-   
-   struct utimbuf TimeBuf;
-   TimeBuf.actime = Buf.st_atime;
-   TimeBuf.modtime = Buf.st_mtime;
-   if (utime(DestFile.c_str(),&TimeBuf) != 0)
-   {
-      To.OpFail();
-      return _error->Errno("utime","Failed to set modification time");
-   }
-   
-   // Forumulate a result
-   FetchResult Res;
-   Res.Size = Buf.st_size;
-   Res.Filename = DestFile;
-   Res.LastModified = Buf.st_mtime;
-   Res.IMSHit = false;
-   
+   struct timeval times[2];
+   times[0].tv_sec = Buf.st_atime;
+   times[1].tv_sec = Buf.st_mtime;
+   times[0].tv_usec = times[1].tv_usec = 0;
+   if (utimes(Res.Filename.c_str(), times) != 0)
+      return _error->Errno("utimes",_("Failed to set modification time"));
+
+   CalculateHashes(Res);
+
    URIDone(Res);
    return true;
 }
@@ -79,6 +116,8 @@ bool CopyMethod::Fetch(string Message,URI Get)
 
 int main()
 {
+   setlocale(LC_ALL, "");
+
    CopyMethod Mth;
    return Mth.Run();
 }