private void InstallArchive(Archive archive, string absolutePath, IGrouping <string, FromArchive> grouping)
{
Status($"Extracting {archive.Name}");
var vfiles = grouping.Select(g =>
{
var file = VFS.FileForArchiveHashPath(g.ArchiveHashPath);
g.FromFile = file;
return(g);
}).ToList();
var on_finish = VFS.Stage(vfiles.Select(f => f.FromFile).Distinct());
Status("Copying files for {0}", archive.Name);
vfiles.DoIndexed((idx, file) =>
{
Utils.Status($"Installing files", idx * 100 / vfiles.Count);
File.Copy(file.FromFile.StagedPath, Path.Combine(Outputfolder, file.To));
});
Status("Unstaging files");
on_finish();
// Now patch all the files from this archive
foreach (var to_patch in grouping.OfType <PatchedFromArchive>())
{
using (var patch_stream = new MemoryStream())
{
Status("Patching {0}", Path.GetFileName(to_patch.To));
// Read in the patch data
var patch_data = to_patch.Patch.FromBase64();
var to_file = Path.Combine(Outputfolder, to_patch.To);
MemoryStream old_data = new MemoryStream(File.ReadAllBytes(to_file));
// Remove the file we're about to patch
File.Delete(to_file);
// Patch it
using (var out_stream = File.OpenWrite(to_file))
{
BSDiff.Apply(old_data, () => new MemoryStream(patch_data), out_stream);
}
}
}
}
private void BuildArchivePatches(string archive_sha, IEnumerable <PatchedFromArchive> group, Dictionary <string, string> absolute_paths)
{
var archive = VFS.HashIndex[archive_sha];
using (var files = VFS.StageWith(group.Select(g => VFS.FileForArchiveHashPath(g.ArchiveHashPath))))
{
var by_path = files.GroupBy(f => string.Join("|", f.Paths.Skip(1))).ToDictionary(f => f.Key, f => f.First());
// Now Create the patches
group.PMap(entry =>
{
Info("Patching {0}", entry.To);
using (var origin = by_path[string.Join("|", entry.ArchiveHashPath.Skip(1))].OpenRead())
using (var output = new MemoryStream())
{
var a = origin.ReadAll();
var b = LoadDataForTo(entry.To, absolute_paths);
BSDiff.Create(a, b, output);
entry.Patch = output.ToArray().ToBase64();
Info($"Patch size {entry.Patch.Length} for {entry.To}");
}
});
}
}
