/// <summary>
/// Retrieves hashes for all R package names in a given folder
/// </summary>
/// <returns></returns>
public static IEnumerable <string> GetInstalledPackageHashes(RPackageType packageType)
{
string rInstallPath = RInstallation.GetRInstallPath(RToolsSettings.Current.RBasePath, null, VsAppShell.Current);
if (!string.IsNullOrEmpty(rInstallPath))
{
IEnumerable <string> packageNames = Enumerable.Empty <string>();
if (packageType == RPackageType.Base)
{
packageNames = FolderUtility.GetSubfolderRelativePaths(Path.Combine(rInstallPath, "library"));
}
else
{
Version v = RInstallation.GetRVersionFromFolderName(rInstallPath.Substring(rInstallPath.LastIndexOf('\\') + 1));
if (v.Major > 0)
{
string userLibraryPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments),
@"R\win-library\", v.Major.ToString() + "." + v.Minor.ToString());
packageNames = FolderUtility.GetSubfolderRelativePaths(userLibraryPath);
}
}
foreach (string p in packageNames)
{
string hash = CalculateMD5Hash(p);
yield return(hash);
}
}
}