public static void UpdateTimestamp(Log log, string url)
{
Disk.TouchFile(log, GetFileName(url));
}
void InstallItem(KeyValuePair <string, object> item)
{
var itemKey = item.Key.Replace('/', Path.DirectorySeparatorChar);
var components = itemKey.Split(Path.DirectorySeparatorChar);
if (components.Contains(".") || components.Contains(".."))
{
throw new FormatException(item.Key + ": '.' or '..' are not valid in directory names");
}
var itemFile = Path.Combine(_parentDirectory, ".uno", "stuff", itemKey);
var targetDir = Path.Combine(_parentDirectory, itemKey);
var itemValue = item.Value?.ToString();
if (string.IsNullOrEmpty(itemValue) ||
IsItemUpToDate(Log, targetDir, itemFile, itemValue, _flags))
{
return;
}
using (new FileLock(Log, itemFile, DownloadCache.GetFileName(itemValue)))
{
if (IsItemUpToDate(Log, targetDir, itemFile, itemValue, _flags))
{
return;
}
for (int tries = 0;; tries++)
{
Log.Verbose("Extracting " + targetDir.ToRelativePath().Quote());
// Support local files (e.g. from .STUFF-UPLOAD files)
var localFile = Path.Combine(_parentDirectory, itemValue);
var isLocal = File.Exists(localFile);
var file = isLocal
? localFile
: DownloadCache.GetFile(Log, itemValue);
Disk.DeleteDirectory(Log, targetDir);
Disk.CreateDirectory(Log, targetDir);
try
{
if (PlatformDetection.IsWindows)
{
LongPathZipFile.ExtractToDirectory(file, targetDir);
}
else
{
// Use system tar/unzip to preserve file permissions and links
// (ZipFile doesn't handle this)
if (Path.GetFileName(file).ToUpper().EndsWith(".TAR.GZ"))
{
Shell.Untar(Log, file, targetDir);
}
else
{
Shell.Unzip(Log, file, targetDir);
}
// Make sure files extracted are writable so we can touch them
Shell.Chmod(Log, "+w", targetDir);
Disk.TouchAllFiles(Log, targetDir);
}
Disk.CreateDirectory(Log, Path.GetDirectoryName(itemFile));
File.WriteAllText(itemFile, itemValue);
break;
}
catch (UnauthorizedAccessException)
{
// Don't try more if we get this
throw;
}
catch
{
// Delete any installed files
Disk.DeleteFile(Log, itemFile);
Disk.DeleteDirectory(Log, targetDir);
if (isLocal)
{
throw;
}
// Delete the cached download too
Disk.DeleteFile(Log, file);
// Redownload, and try just one more time to be sure
// This might fix the problem if the cached file was corrupt
if (tries > 0)
{
throw;
}
Thread.Sleep(150);
}
}
}
}
