static int Main(string[] args)
{
var command = "";
var target = "";
var appName = default(string);
var showHelp = false;
var opts = new OptionSet() {
{ "c|command=", "One of 'check' or 'update' to return the latest update information, or to perform the update", v => command = v },
{ "t|update-target=", "The URL or directory to download updates from", v => target = v },
{ "n|app-name=", "(Optional) The name of the application, only necessary if updater.exe isn't in the install directory", v => appName = v},
{ "h|help", "Show this message and exit", v => showHelp = v != null },
};
opts.Parse(args);
if (!new[] { "check", "update", "install", }.Any(x => command.ToLowerInvariant() == x)) {
Console.Error.WriteLine("Command must be either 'check' or 'update'");
showHelp = true;
}
if (!Directory.Exists(target) && !File.Exists(target) && !isAUrl(target)) {
Console.Error.WriteLine("Target must be either a directory or a URL to check for updates");
showHelp = true;
}
if (showHelp) {
Console.WriteLine("\nSquirrel.Updater.exe - Check for updates or update an application");
Console.WriteLine(@"Usage: Squirrel.Updater.exe [options]");
Console.WriteLine("Options:");
foreach(var v in opts) {
if (v.GetNames().Length != 2) {
Console.WriteLine(" --{0} - {1}", v.GetNames()[0], v.Description);
} else {
Console.WriteLine(" -{0}/--{1} - {2}", v.GetNames()[0], v.GetNames()[1], v.Description);
}
}
return 0;
}
appName = appName ?? determineAppName();
using (var mgr = new UpdateManager(target, appName, FrameworkVersion.Net40)) {
if (command.ToLowerInvariant() == "check") {
var updateInfo = default(UpdateInfo);
try {
updateInfo = mgr.CheckForUpdate().First();
if (updateInfo.ReleasesToApply.Count > 0) {
mgr.DownloadReleases(updateInfo.ReleasesToApply).First();
}
} catch (Exception ex) {
writeJsonForException(ex, "Failed to check for updates");
return -1;
}
var releaseNotes = new Dictionary<ReleaseEntry, string>();
try {
releaseNotes = (updateInfo.ReleasesToApply.Count > 0) ? updateInfo.FetchReleaseNotes() : releaseNotes;
} catch (Exception ex) {
// TODO: Find a way to log this
}
Console.WriteLine(JsonConvert.SerializeObject(new {
UpdateInfo = updateInfo,
ReleaseNotes = releaseNotes,
}));
return 0;
}
if (command.ToLowerInvariant() == "update") {
var result = default(ReleaseEntry);
try {
result = mgr.UpdateAppAsync().Result;
} catch (Exception ex) {
writeJsonForException(ex, "Failed to update application");
return -1;
}
Console.WriteLine(JsonConvert.SerializeObject(result));
return 0;
}
if (command.ToLowerInvariant() == "install") {
var targetRelease = ReleaseEntry.GenerateFromFile(target);
mgr.ApplyReleases(UpdateInfo.Create(null, new[] { targetRelease }, Path.GetDirectoryName(target), FrameworkVersion.Net40)).First();
return 0;
}
}
throw new Exception("How even did we get here?");
}