public static async Task <bool> CheckGithubVersion()
{
string rawResponse = await WebHelper.Get(UPDATE_ENDPOINT);
LatestReleaseResponse response = Json.Parse <LatestReleaseResponse>(rawResponse);
var version = response.tag_name;
if (version == null)
{
return(false);
}
if (version.StartsWith("v"))
{
version = version.Substring(1);
}
Console.WriteLine(Globals.VERSION);
Console.WriteLine(version);
//Same version
if (version.Trim() == Globals.VERSION)
{
return(false);
}
var latestParts = version.Trim().Split(new char[] { '.' });
var ourParts = Globals.VERSION.Split(new char[] { '.' });
//Must be really out of date if we've changed versioning schemes...
if (latestParts.Length != ourParts.Length)
{
return(true);
}
//Compare sub version numbers
for (int i = 0; i < latestParts.Length; i++)
{
if (!int.TryParse(latestParts[i], out int latestVers))
{
return(true);
}
if (!int.TryParse(ourParts[i], out int ourVers))
{
return(true);
}
if (latestVers == ourVers)
{
continue;
}
else
{
return(latestVers > ourVers);
}
}
return(false);
}
public static async Task UpdateToNewVersion(DownloadProgressChangedEventHandler dpceh, System.ComponentModel.AsyncCompletedEventHandler aceh)
{
string rawResponse = await WebHelper.Get(UPDATE_ENDPOINT);
LatestReleaseResponse response = Json.Parse <LatestReleaseResponse>(rawResponse);
if (response.assets.Length == 0)
{
MessageBox.Show("Unable to download new executable. Please update manually from the Github releases page.");
return;
}
//First download link is fine for now... probably
var link = response.assets[0].browser_download_url;
var downloadPath = Path.GetTempFileName();
WebClient wc = new WebClient();
wc.DownloadProgressChanged += dpceh;
wc.DownloadFileCompleted += aceh;
await wc.DownloadFileTaskAsync(link, downloadPath);
//Rename current executable as backup
try
{
//Wait for a second before restarting so we get to see our nice green finished bar
await Task.Delay(1000);
string exeName = Process.GetCurrentProcess().ProcessName;
File.Delete(exeName + ".bak");
File.Move(exeName + ".exe", exeName + ".bak");
File.Move(downloadPath, exeName + ".exe");
Process.Start(exeName + ".exe");
Environment.Exit(0);
}
catch (Exception)
{
MessageBox.Show("Unable to replace with updated executable. Check whether the executable is marked as read-only, or whether it is in a protected folder that requires administrative rights.");
}
}
