private HgFile GetFileImpl(HgManifestFileEntry manifestFileEntry, HgNodeID filelogNodeID)
{
var filelog = GetFilelog(manifestFileEntry.Path);
if(filelog == null) return null;
var hgRevlogReader = Store.CreateRevlogReader(filelog.Revlog);
var hgRevlogData = hgRevlogReader.ReadRevlogEntry(filelogNodeID);
if(hgRevlogData == null) return null;
//
// Handle copyinfo and possibly other inband metadata. This part of Mercurial I don't like
var data = hgRevlogData.Data;
var copyInfo = HgFileCopyInfo.ExtractFileCopyInfo(ref data);
log.Debug("retrieved file {0}@{1}", manifestFileEntry.Path.FullPath, filelogNodeID.Short);
return new HgFile(manifestFileEntry.Path, hgRevlogData.Entry, data, copyInfo);
}
public HgFile GetFile(HgManifestFileEntry manifestFileEntry)
{
if(manifestFileEntry == null) return null;
var filelogNodeID = manifestFileEntry.FilelogNodeID;
return
HgRevlogBasedStorage.ObjectCache.
GetOrAdd(
string.Format("file:{0}@{1}", manifestFileEntry.Path.FullPath, filelogNodeID.Long),
() => GetFileImpl(manifestFileEntry, filelogNodeID));
}