private static ICollection <DiffTool> GetDiffTools()
{
var diffTools = new List <DiffTool>();
// See if a custom diff tool was specified in the configuration file.
var diffToolCommandOverride = ConfigurationManager.AppSettings["DiffToolCommand"];
var diffToolArgumentsOverride = ConfigurationManager.AppSettings["DiffToolArguments"];
if (!string.IsNullOrEmpty(diffToolCommandOverride))
{
diffTools.Add(new DiffTool("Custom", diffToolCommandOverride, diffToolArgumentsOverride));
}
// Visual Studio 2017 and above don't store their setup information in the registry but expose it via a COM interface.
try
{
var configuration = new SetupConfiguration();
var instancesQuery = configuration.EnumInstances();
var fetched = int.MaxValue;
var instances = new ISetupInstance[1];
while (fetched > 0)
{
instancesQuery.Next(1, instances, out fetched);
if (fetched > 0)
{
var instance = instances[0];
var visualStudioName = instance.GetDisplayName();
var devenvPath = instance.ResolvePath("Common7\\IDE\\devenv.exe");
if (!string.IsNullOrWhiteSpace(devenvPath) && File.Exists(devenvPath))
{
diffTools.Add(new DiffTool(visualStudioName, devenvPath, "/diff %1 %2 %6 %7"));
}
}
}
}
catch (COMException)
{
// Ignore COM Exceptions.
}
// Visual Studio 2012 and above have a built-in diff tool, call devenv.exe directly.
TryAddDevenvToolFromRegistry("14.0", "Visual Studio 2015", diffTools);
TryAddDevenvToolFromRegistry("12.0", "Visual Studio 2013", diffTools);
TryAddDevenvToolFromRegistry("11.0", "Visual Studio 2012", diffTools);
// Older versions should have a diffmerge.exe tool in the IDE path.
TryAddDiffmergeToolFromRegistry("10.0", "Visual Studio 2010", diffTools);
TryAddDiffmergeToolFromRegistry("9.0", "Visual Studio 2008", diffTools);
return(diffTools);
}
private static IEnumerable <ISetupInstance> GetSetupInstances()
{
ISetupConfiguration setupConfiguration = new SetupConfiguration();
IEnumSetupInstances enumerator = setupConfiguration.EnumInstances();
int count;
do
{
ISetupInstance[] setupInstances = new ISetupInstance[1];
enumerator.Next(1, setupInstances, out count);
if (count == 1 &&
setupInstances != null &&
setupInstances.Length == 1 &&
setupInstances[0] != null)
{
yield return(setupInstances[0]);
}
}while (count == 1);
}
private bool TryGetVCToolsPath(out string batchPath)
{
var configuration = new SetupConfiguration();
var enumInstances = configuration.EnumInstances();
int fetched;
var instances = new ISetupInstance[1];
do
{
enumInstances.Next(1, instances, out fetched);
if (fetched <= 0)
{
continue;
}
if (!(instances[0] is ISetupInstance2 instance))
{
continue;
}
var packages = instance.GetPackages();
foreach (var package in packages)
{
if (package.GetId() != "Microsoft.VisualStudio.Component.VC.Tools.x86.x64")
{
continue;
}
var rootPath = instance.ResolvePath();
batchPath = Directory.GetFiles(rootPath, "VsDevCmd.bat", SearchOption.AllDirectories)
.FirstOrDefault();
return(true);
}
} while (fetched > 0);
batchPath = null;
return(false);
}
/// <summary>
/// Returns the path to the specified version of msbuild.exe or
/// null if it could not be found
/// </summary>
/// <param name="msBuildMajorVersion">MSBuild major version number e.g. 15.0</param>
private static string GetMSBuildPath(string msBuildMajorVersion, TestContext testContext)
{
// Note: we're using a Microsoft component that locates instances of VS, and then
// we're searching for an expected path under VS.
// A more robust and flexible approach would be to use https://www.nuget.org/packages/vswhere/
// which would allow us to search for a specific version of MSBuild directly.
testContext.WriteLine($"Test setup: attempting to locate an MSBuild instance. Version: {msBuildMajorVersion}");
ISetupConfiguration config = new SetupConfiguration();
var instances = new ISetupInstance[100];
var enumerator = config.EnumInstances();
enumerator.Next(100, instances, out int fetched);
if (fetched == 0)
{
throw new InvalidOperationException("Test setup error: no instances of Visual Studio could be located on this machine");
}
string partialExePath = Path.Combine("MSBuild", msBuildMajorVersion, "Bin", "msbuild.exe");
for (int i = 0; i < fetched; i++)
{
var instance = instances[i];
testContext.WriteLine($"\t\tVS instance: {instance.GetDisplayName()}, {instance.GetInstallationVersion()}, {instance.GetInstallationPath()}");
var candidateExePath = instance.ResolvePath(partialExePath);
if (File.Exists(candidateExePath))
{
testContext.WriteLine($"\tMSBuild exe located: {candidateExePath}");
return(candidateExePath);
}
}
testContext.WriteLine($"Test setup: MSBuild exe could not be located");
return(null);
}
private static List <ISetupInstance2> GetSetupInstances()
{
var instances = new List <ISetupInstance2>();
var setupConfiguration = new SetupConfiguration();
var instanceEnumerator = setupConfiguration.EnumInstances();
var setupInstance = new ISetupInstance2[1];
var count = 0;
while (true)
{
instanceEnumerator.Next(1, setupInstance, out count);
if (count == 0)
{
break;
}
instances.Add(new VisualStudioSetupInstance(setupInstance[0]));
}
return(instances);
}
private string GetVSInstallPath()
{
var vsPathOverride = Environment.GetEnvironmentVariable("SHARPGEN_VS_OVERRIDE");
if (!string.IsNullOrEmpty(vsPathOverride))
{
return(vsPathOverride);
}
try
{
var query = new SetupConfiguration();
var enumInstances = query.EnumInstances();
int fetched;
var instances = new ISetupInstance[1];
do
{
enumInstances.Next(1, instances, out fetched);
if (fetched <= 0)
{
continue;
}
var instance2 = (ISetupInstance2)instances[0];
var state = instance2.GetState();
if ((state & InstanceState.Registered) != InstanceState.Registered)
{
continue;
}
if (instance2.GetPackages().Any(Predicate))
{
return(instance2.GetInstallationPath());
}
} while (fetched > 0);
public IEnumerable <VisualStudioInstance> GetLaunchableInstances() => EnumInstances(_configuration.EnumInstances());
