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[apt.git] / methods / copy.cc

diff --git a/methods/copy.cc b/methods/copy.cc
index d59f032ffa741f3aeeb644130a92c63418dec2b9..b78053d364724bba2030206a1e417be4eee4b068 100644 (file)
--- a/methods/copy.cc
+++ b/methods/copy.cc
@@ -16,6 +16,7 @@
 #include <apt-pkg/acquire-method.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/hashes.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 <string>
 #include <sys/stat.h>


@@ -27,19 +28,35 @@
 class CopyMethod : public pkgAcqMethod
 {
    virtual bool Fetch(FetchItem *Itm);
 class CopyMethod : public pkgAcqMethod
 {
    virtual bool Fetch(FetchItem *Itm);

+   void CalculateHashes(FetchResult &Res);

    
    public:
    
    
    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(FetchItem *Itm)
 {
 // CopyMethod::Fetch - Fetch a file                                    /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 bool CopyMethod::Fetch(FetchItem *Itm)
 {

-   URI Get = Itm->Uri;
-   std::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;
 
    // Stat the file and send a start message
    struct stat Buf;


@@ -54,6 +71,14 @@ bool CopyMethod::Fetch(FetchItem *Itm)
    Res.IMSHit = false;      
    URIStart(Res);
    
    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(Itm->DestFile,FileFd::WriteAtomic);
    // See if the file exists
    FileFd From(File,FileFd::ReadOnly);
    FileFd To(Itm->DestFile,FileFd::WriteAtomic);


@@ -82,10 +107,7 @@ bool CopyMethod::Fetch(FetchItem *Itm)
    if (utimes(Res.Filename.c_str(), times) != 0)
       return _error->Errno("utimes",_("Failed to set modification time"));
 
    if (utimes(Res.Filename.c_str(), times) != 0)
       return _error->Errno("utimes",_("Failed to set modification time"));
 

-   Hashes Hash;
-   FileFd Fd(Res.Filename, FileFd::ReadOnly);
-   Hash.AddFD(Fd);
-   Res.TakeHashes(Hash);
+   CalculateHashes(Res);

 
    URIDone(Res);
    return true;
 
    URIDone(Res);
    return true;