public IPackageContent GetBinaryPackage(string url, string gitHash, string platform)
{
string format;
if (this.HasBinaryPackage(url, gitHash, platform, out format))
{
// We have it already downloaded in the cache.
var file = Path.Combine(
_packageCacheConfiguration.GetCacheDirectory(),
this.GetPackageName(url, gitHash, platform, format));
using (var stream = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.Read))
{
var data = new byte[stream.Length];
stream.Read(data, 0, data.Length);
return(new BinaryPackageContent
{
Format = format,
PackageData = data,
});
}
}
// We must use the package retrieval interface to download a copy
// of the package.
var tempFile = Path.Combine(
_packageCacheConfiguration.GetCacheDirectory(),
this.GetPackageName(url, gitHash, platform, string.Empty) + ".tmp");
if (!_packageRetrieval.DownloadBinaryPackage(url, gitHash, platform, out format, tempFile))
{
return(null);
}
var saveFile = Path.Combine(
_packageCacheConfiguration.GetCacheDirectory(),
this.GetPackageName(url, gitHash, platform, format));
try
{
File.Move(tempFile, saveFile);
}
catch (Exception)
{
Console.WriteLine("WARNING: Unable to save package to cache.");
saveFile = tempFile;
}
byte[] saveData;
using (var stream = new FileStream(saveFile, FileMode.Open, FileAccess.Read, FileShare.Read))
{
saveData = new byte[stream.Length];
stream.Read(saveData, 0, saveData.Length);
}
if (saveFile == tempFile)
{
File.Delete(tempFile);
}
return(new BinaryPackageContent
{
Format = format,
PackageData = saveData,
});
}
