public static async Task sync(PathChange change)
{
var reader = change.ReadFileSystem;
var sourceInfo = reader.query(change.Source);
var targetInfo = reader.query(change.Target);
var sourceKind = sourceInfo.Type;
var targetKind = targetInfo.Type;
if (sourceKind == PathType.NotExisting && targetKind == PathType.NotExisting)
{
change.log("not existing");
return;
}
if (sourceKind == PathType.Ignored || targetKind == PathType.Ignored)
{
change.log("ignored");
return;
}
if (targetKind == PathType.NotExisting)
{
if (change.Location == ChangeLocation.AtTarget)
deleteSource(change, sourceKind);
else
await copyToTarget(change, sourceKind);
return;
}
if (sourceKind == PathType.NotExisting)
{
if (change.Location == ChangeLocation.AtSource)
deleteTarget(change, targetKind);
else
await copyToSource(change, targetKind);
return;
}
if (sourceKind != targetKind)
{
change.log("directory <-> file sync not implemented");
return;
}
if (sourceKind == PathType.Directory)
await DirectorySynchronizer.syncDirectory(change);
else
await FileSynchronizer.syncFile(change, sourceInfo, targetInfo);
}
public static void createDirectory(PathChange change, string path)
{
change.log("creating directory");
change.WriteFileSystem.createDirectory(path);
}
public static async Task overwriteFile(PathChange change, string source, string target)
{
change.log("overwriting");
await change.WriteFileSystem.overwriteAsync(source, target);
}
// we probably should copy the files by hand to ensure that the proper sharing flags are set.
public static async Task copyFile(PathChange change, string source, string target)
{
change.log("copying");
await change.WriteFileSystem.copyAsync(source, target);
}