static void KillIfMdi(ResolvedTool tool, string command)
{
if (!tool.IsMdi)
{
ProcessCleanup.Kill(command);
}
}
static LaunchResult InnerLaunch(TryResolveTool tryResolveTool, string tempFile, string targetFile)
{
if (ShouldExitLaunch(tryResolveTool, targetFile, out var tool, out var result))
{
DiffEngineTray.AddMove(tempFile, targetFile, null, null, false, null);
return(result.Value);
}
tool.CommandAndArguments(tempFile, targetFile, out var arguments, out var command);
if (ProcessCleanup.TryGetProcessInfo(command, out var processCommand))
{
if (tool.AutoRefresh)
{
DiffEngineTray.AddMove(tempFile, targetFile, tool.ExePath, arguments, tool.IsMdi !, processCommand.Process);
return(LaunchResult.AlreadyRunningAndSupportsRefresh);
}
KillIfMdi(tool, command);
}
if (MaxInstance.Reached())
{
DiffEngineTray.AddMove(tempFile, targetFile, tool.ExePath, arguments, tool.IsMdi !, null);
return(LaunchResult.TooManyRunningDiffTools);
}
var processId = LaunchProcess(tool, arguments);
DiffEngineTray.AddMove(tempFile, targetFile, tool.ExePath, arguments, !tool.IsMdi, processId);
return(LaunchResult.StartedNewInstance);
}
/// <summary>
/// Find and kill a diff tool process.
/// </summary>
public static void Kill(string tempFile, string targetFile)
{
if (Disabled)
{
return;
}
var extension = Extensions.GetExtension(tempFile);
if (!DiffTools.TryFind(extension, out var diffTool))
{
Logging.Write($"Extension not found. {extension}");
return;
}
var command = diffTool.BuildCommand(tempFile, targetFile);
if (diffTool.IsMdi)
{
Logging.Write($"DiffTool is Mdi so not killing. diffTool: {diffTool.ExePath}");
return;
}
ProcessCleanup.Kill(command);
}
static void Launch(ResolvedDiffTool tool, string path1, string path2)
{
Guard.AgainstNull(tool, nameof(tool));
var command = tool.BuildCommand(path1, path2);
var isDiffToolRunning = ProcessCleanup.IsRunning(command);
if (isDiffToolRunning)
{
if (tool.SupportsAutoRefresh)
{
return;
}
if (!tool.IsMdi)
{
ProcessCleanup.Kill(command);
}
}
var arguments = tool.BuildArguments(path1, path2);
try
{
Process.Start(tool.ExePath, arguments);
}
catch (Exception exception)
{
var message = $@"Failed to launch diff tool.
{tool.ExePath} {arguments}";
throw new Exception(message, exception);
}
}
static async Task <LaunchResult> InnerLaunch(ResolvedTool tool, string tempFile, string targetFile)
{
var arguments = tool.Arguments(tempFile, targetFile);
var command = tool.BuildCommand(tempFile, targetFile);
if (ProcessCleanup.TryGetProcessInfo(command, out var processCommand))
{
if (tool.AutoRefresh)
{
await DiffEngineTray.AddMove(tempFile, targetFile, tool.ExePath, arguments, tool.IsMdi !, processCommand.Process);
return(LaunchResult.AlreadyRunningAndSupportsRefresh);
}
if (!tool.IsMdi)
{
ProcessCleanup.Kill(command);
}
}
var instanceCount = Interlocked.Increment(ref launchedInstances);
if (instanceCount > maxInstancesToLaunch)
{
await DiffEngineTray.AddMove(tempFile, targetFile, tool.ExePath, arguments, tool.IsMdi !, null);
return(LaunchResult.TooManyRunningDiffTools);
}
try
{
var startInfo = new ProcessStartInfo(tool.ExePath, arguments)
{
UseShellExecute = true
};
using var process = Process.Start(startInfo);
if (process == null)
{
var message = $@"Failed to launch diff tool.
{tool.ExePath} {arguments}";
throw new Exception(message);
}
await DiffEngineTray.AddMove(tempFile, targetFile, tool.ExePath, arguments, !tool.IsMdi, process.Id);
return(LaunchResult.StartedNewInstance);
}
catch (Exception exception)
{
var message = $@"Failed to launch diff tool.
{tool.ExePath} {arguments}";
throw new Exception(message, exception);
}
}
/// <summary>
/// Find and kill a diff tool process.
/// </summary>
public static void Kill(string path1, string path2)
{
Guard.AgainstNullOrEmpty(path1, nameof(path1));
Guard.AgainstNullOrEmpty(path2, nameof(path2));
var extension = Extensions.GetExtension(path1);
if (!DiffTools.TryFind(extension, out var diffTool))
{
return;
}
var command = diffTool.BuildCommand(path1, path2);
if (diffTool.IsMdi)
{
return;
}
ProcessCleanup.Kill(command);
}
