X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/fce69e7a0f38299c57ef96ae1c1dd9a5379bfd5a..98cc7fd2c1d397623960baf69ae3cec04a87a23e:/methods/copy.cc?ds=sidebyside

diff --git a/methods/copy.cc b/methods/copy.cc
index f2a8f9ed8..0c9f322e6 100644
--- a/methods/copy.cc
+++ b/methods/copy.cc
@@ -16,29 +16,40 @@
 #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 <sys/time.h>
-#include <unistd.h>
+
 #include <apti18n.h>
 									/*}}}*/
 
 class CopyMethod : public pkgAcqMethod
 {
-   virtual bool Fetch(FetchItem *Itm);
+   virtual bool Fetch(FetchItem *Itm) APT_OVERRIDE;
+   void CalculateHashes(FetchItem const * const Itm, FetchResult &Res);
    
    public:
    
-   CopyMethod() : pkgAcqMethod("1.0",SingleInstance) {};
+   CopyMethod() : pkgAcqMethod("1.0",SingleInstance | SendConfig) {};
 };
 
+void CopyMethod::CalculateHashes(FetchItem const * const Itm, FetchResult &Res)
+{
+   Hashes Hash(Itm->ExpectedHashes);
+   FileFd Fd(Res.Filename, FileFd::ReadOnly, FileFd::Extension);
+   Hash.AddFD(Fd);
+   Res.TakeHashes(Hash);
+}
+
 // 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 const File = Itm->Uri.substr(Itm->Uri.find(':')+1);
 
    // Stat the file and send a start message
    struct stat Buf;
@@ -50,9 +61,17 @@ bool CopyMethod::Fetch(FetchItem *Itm)
    Res.Size = Buf.st_size;
    Res.Filename = Itm->DestFile;
    Res.LastModified = Buf.st_mtime;
-   Res.IMSHit = false;      
+   Res.IMSHit = false;
    URIStart(Res);
-   
+
+   // just calc the hashes if the source and destination are identical
+   if (File == Itm->DestFile)
+   {
+      CalculateHashes(Itm, Res);
+      URIDone(Res);
+      return true;
+   }
+
    // See if the file exists
    FileFd From(File,FileFd::ReadOnly);
    FileFd To(Itm->DestFile,FileFd::WriteAtomic);
@@ -81,10 +100,7 @@ bool CopyMethod::Fetch(FetchItem *Itm)
    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(Itm, Res);
 
    URIDone(Res);
    return true;
@@ -96,5 +112,6 @@ int main()
    setlocale(LC_ALL, "");
 
    CopyMethod Mth;
+
    return Mth.Run();
 }