private static async Task <bool> SquirrelUpdate(SplashScreenWindow splashScreenWindow, UpdateManager mgr, bool ignoreDelta = false)
{
try
{
splashScreenWindow.StartSkipTimer();
var updateInfo = await mgr.CheckForUpdate(ignoreDelta);
if (!updateInfo.ReleasesToApply.Any())
{
return(false);
}
if (updateInfo.ReleasesToApply.LastOrDefault()?.Version <= mgr.CurrentlyInstalledVersion())
{
return(false);
}
await mgr.DownloadReleases(updateInfo.ReleasesToApply, splashScreenWindow.Updating);
await mgr.ApplyReleases(updateInfo, splashScreenWindow.Installing);
await mgr.CreateUninstallerRegistryEntry();
return(true);
}
catch (Exception)
{
if (!ignoreDelta)
{
return(await SquirrelUpdate(splashScreenWindow, mgr, true));
}
return(false);
}
}
private static async Task <bool> SquirrelUpdate(SplashScreenWindow splashScreenWindow, UpdateManager mgr, bool ignoreDelta = false)
{
try
{
Log.Info($"Checking for updates (ignoreDelta={ignoreDelta})");
splashScreenWindow.StartSkipTimer();
var updateInfo = await mgr.CheckForUpdate(ignoreDelta);
if (!updateInfo.ReleasesToApply.Any())
{
Log.Info("No new updated available");
return(false);
}
var latest = updateInfo.ReleasesToApply.LastOrDefault()?.Version;
var current = mgr.CurrentlyInstalledVersion();
if (latest <= current)
{
Log.Info($"Installed version ({current}) is greater than latest release found ({latest}). Not downloading updates.");
return(false);
}
if (IsRevisionIncrement(current?.Version, latest?.Version))
{
Log.Info($"Latest update ({latest}) is revision increment. Updating in background.");
splashScreenWindow.SkipUpdate = true;
}
Log.Info($"Downloading {updateInfo.ReleasesToApply.Count} {(ignoreDelta ? "" : "delta ")}releases, latest={latest?.Version}");
await mgr.DownloadReleases(updateInfo.ReleasesToApply, splashScreenWindow.Updating);
Log.Info("Applying releases");
await mgr.ApplyReleases(updateInfo, splashScreenWindow.Installing);
await mgr.CreateUninstallerRegistryEntry();
Log.Info("Done");
return(true);
}
catch (Exception ex)
{
if (ignoreDelta)
{
return(false);
}
if (ex is Win32Exception)
{
Log.Info("Not able to apply deltas, downloading full release");
}
return(await SquirrelUpdate(splashScreenWindow, mgr, true));
}
}
