In order for the installer to restart the GUI correctly post-upgrade, we
need the GUI to be able to register its restart preferences.
This PR adds API support for doing so. I'm adding it to OSS so that it
is available should we need to do any such registrations on OSS binaries
in the future.
Updates https://github.com/tailscale/corp/issues/13998
Signed-off-by: Aaron Klotz <aaron@tailscale.com>
// RegisterForRestartOpts supplies options to RegisterForRestart.
typeRegisterForRestartOptsstruct{
RestartOnCrashbool// When true, this program will be restarted after a crash.
RestartOnHangbool// When true, this program will be restarted after a hang.
RestartOnUpgradebool// When true, this program will be restarted after an upgrade.
RestartOnRebootbool// When true, this program will be restarted after a reboot.
UseCmdLineArgsbool// When true, CmdLineArgs will be used as the program's arguments upon restart. Otherwise no arguments will be provided.
CmdLineArgs[]string// When UseCmdLineArgs == true, contains the command line arguments, excluding the executable name itself. If nil or empty, the arguments from the current process will be re-used.
}
// RegisterForRestart registers the current process' restart preferences with
// the Windows Restart Manager. This enables the OS to intelligently restart
// the calling executable as requested via opts. This should be called by any
// programs which need to be restarted by the installer post-update.
//
// This function may be called multiple times; the opts from the most recent
// call will override those from any previous invocations.
//
// This function will only work on GOOS=windows. Trying to run it on any other