/// <summary>
/// Determine whether we would ever load read only
/// </summary>
private void DetermineWhetherToLoadReadOnlyIfPossible()
{
if (s_readOnlyFlags == ReadOnlyLoadFlags.Undefined)
{
s_readOnlyFlags = ReadOnlyLoadFlags.LoadAllWriteable;
if (String.Equals(Environment.GetEnvironmentVariable("MSBuildLoadMicrosoftTargetsReadOnly"), "true", StringComparison.OrdinalIgnoreCase))
{
s_readOnlyFlags = ReadOnlyLoadFlags.LoadReadOnlyIfAppropriate;
}
if (String.Equals(Environment.GetEnvironmentVariable("MSBUILDLOADALLFILESASREADONLY"), "1", StringComparison.OrdinalIgnoreCase))
{
s_readOnlyFlags = ReadOnlyLoadFlags.LoadAllReadOnly;
}
// "Escape hatch" should someone really need to edit these - since we'll be switching it on in VS and msbuild.exe wholesale.
if (String.Equals(Environment.GetEnvironmentVariable("MSBUILDLOADALLFILESASWRITEABLE"), "1", StringComparison.OrdinalIgnoreCase))
{
s_readOnlyFlags = ReadOnlyLoadFlags.LoadAllWriteable;
}
}
}
/// <summary>
/// Determine whether we would ever load read only
/// </summary>
private void DetermineWhetherToLoadReadOnlyIfPossible()
{
if (s_readOnlyFlags == ReadOnlyLoadFlags.Undefined)
{
s_readOnlyFlags = ReadOnlyLoadFlags.LoadAllWriteable;
if (String.Equals(Environment.GetEnvironmentVariable("MSBuildLoadMicrosoftTargetsReadOnly"), "true", StringComparison.OrdinalIgnoreCase))
{
s_readOnlyFlags = ReadOnlyLoadFlags.LoadReadOnlyIfAppropriate;
}
if (String.Equals(Environment.GetEnvironmentVariable("MSBUILDLOADALLFILESASREADONLY"), "1", StringComparison.OrdinalIgnoreCase))
{
s_readOnlyFlags = ReadOnlyLoadFlags.LoadAllReadOnly;
}
// "Escape hatch" should someone really need to edit these - since we'll be switching it on in VS and msbuild.exe wholesale.
if (String.Equals(Environment.GetEnvironmentVariable("MSBUILDLOADALLFILESASWRITEABLE"), "1", StringComparison.OrdinalIgnoreCase))
{
s_readOnlyFlags = ReadOnlyLoadFlags.LoadAllWriteable;
}
}
}
/// <summary>
/// Reset state for unit tests that want to set the env var
/// </summary>
internal static void ClearReadOnlyFlags_UnitTestsOnly()
{
s_readOnlyFlags = ReadOnlyLoadFlags.Undefined;
}
/// <summary>
/// Reset state for unit tests that want to set the env var
/// </summary>
internal static void ClearReadOnlyFlags_UnitTestsOnly()
{
s_readOnlyFlags = ReadOnlyLoadFlags.Undefined;
}