private static VersionCheckResult InternalCheck(bool displayErrors)
{
try
{
var url = VERSION_MANIFEST_URL + "?q=" + Guid.NewGuid().ToString();
var wr = WebRequest.CreateHttp(url);
wr.Proxy = ProxyCache.GetProxy(url);
wr.Timeout = 5000;
using (var response = wr.GetResponse())
{
using (var reader = new System.IO.StreamReader(response.GetResponseStream(), Encoding.UTF8))
{
var availableBuildString = reader.ReadToEnd();
AvailableBuild = Version.Parse(availableBuildString);
return(CurrentBuild.DetermineUpdate(AvailableBuild));
}
}
}
catch (Exception ex)
{
if (displayErrors)
{
MessageBox.Show(ex.Message, "Unable to check for updated versions", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
return(VersionCheckResult.Unknown);
}
}
/// <summary> /// Check if this is the first launch for a particular build number. /// Useful if you want to execute some code for first time launches of a particular version /// (like db migrations?). /// </summary> /// <returns>The first launch for build.</returns> /// <param name="build">Build.</param> public bool FirstLaunchForBuild(string build) => (CurrentBuild.Equals(build, StringComparison.OrdinalIgnoreCase)) && isFirstLaunchForBuild;
private static async IAsyncEnumerable <DockerfileBuild> ReadCommands(TextReader reader, HashSet <string> unconsumedBuildArgs, IReadOnlyDictionary <string, string> buildArgs)
{
var multiBuildArgs = new Dictionary <string, string>();
CurrentBuild?currentBuild = null;
var parseOptions = new ParseOptions(multiBuildArgs);
await foreach (var line in ReadLines(reader, parseOptions))
{
var(cmd, flags, args) = SplitCommand(line);
if (cmd == "from")
{
if (currentBuild != null)
{
yield return(currentBuild.ToDockerfileBuild());
}
var fromCommand = CommandParsers.From(args, flags, parseOptions);
currentBuild = new CurrentBuild(
fromCommand: fromCommand,
buildArgs: new Dictionary <string, string>(),
commands: new List <CommandBase>()
);
}
else if (cmd == "arg")
{
var argCommand = CommandParsers.Arg(args, flags, parseOptions);
unconsumedBuildArgs.Remove(argCommand.Name);
if (currentBuild == null)
{
string?value;
if (!buildArgs.TryGetValue(argCommand.Name, out value))
{
value = argCommand.DefaultValue;
}
if (value == null)
{
multiBuildArgs.Remove(argCommand.Name);
}
else
{
multiBuildArgs[argCommand.Name] = value;
}
}
else
{
string?value;
if (!buildArgs.TryGetValue(argCommand.Name, out value) && !multiBuildArgs.TryGetValue(argCommand.Name, out value))
{
value = argCommand.DefaultValue;
}
if (value == null)
{
currentBuild.BuildArgs.Remove(argCommand.Name);
}
else
{
currentBuild.BuildArgs[argCommand.Name] = value;
}
}
}
else
{
if (currentBuild == null)
{
throw new DockerfileSyntaxException("Command '{cmd}' may not precede 'from'.");
}
currentBuild.Commands.Add(ParseCommand(cmd, flags, args, parseOptions));
}
}
if (currentBuild != null)
{
yield return(currentBuild.ToDockerfileBuild());
}
}
