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-rw-r--r--methods/copy.cc32
1 files changed, 27 insertions, 5 deletions
diff --git a/methods/copy.cc b/methods/copy.cc
index d59f032ff..5570f31c8 100644
--- 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/configuration.h>
#include <string>
#include <sys/stat.h>
@@ -27,12 +28,28 @@
class CopyMethod : public pkgAcqMethod
{
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 /*{{{*/
// ---------------------------------------------------------------------
/* */
@@ -54,6 +71,14 @@ bool CopyMethod::Fetch(FetchItem *Itm)
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);
@@ -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"));
- Hashes Hash;
- FileFd Fd(Res.Filename, FileFd::ReadOnly);
- Hash.AddFD(Fd);
- Res.TakeHashes(Hash);
+ CalculateHashes(Res);
URIDone(Res);
return true;