Merge remote-tracking branch 'debian/debian/experimental' into feature/acq-trans

[apt.git] / methods / copy.cc

diff --git a/methods/copy.cc b/methods/copy.cc
index 3883c822b2417a6f8a72f6a94a84b6f27188f51f..a23c0316c4717568950cacf3aebee238c4fdde30 100644 (file)
--- a/methods/copy.cc
+++ b/methods/copy.cc
@@ -37,15 +37,12 @@ class CopyMethod : public pkgAcqMethod
 
 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;
+   Hashes Hash;
+   FileFd::CompressMode CompressMode = FileFd::None;
    if (_config->FindB("Acquire::GzipIndexes", false) == true)
-      OpenMode = FileFd::ReadOnlyGzip;
+      CompressMode = FileFd::Extension;
 
-   Hashes Hash;
-   FileFd Fd(Res.Filename, OpenMode);
+   FileFd Fd(Res.Filename, FileFd::ReadOnly, CompressMode);
    Hash.AddFD(Fd);
    Res.TakeHashes(Hash);
 }
@@ -70,6 +67,14 @@ bool CopyMethod::Fetch(FetchItem *Itm)
    Res.LastModified = Buf.st_mtime;
    Res.IMSHit = false;      
    URIStart(Res);
+
+   // when the files are identical, just compute the hashes
+   if(File == Itm->DestFile)
+   {
+      CalculateHashes(Res);
+      URIDone(Res);
+      return true;
+   }
    
    // just calc the hashes if the source and destination are identical
    if (File == Itm->DestFile)
@@ -120,6 +125,5 @@ int main()
 
    CopyMethod Mth;
 
-   Mth.DropPrivsOrDie();
    return Mth.Run();
 }