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clientupdate: distinguish when auto-updates are possible (#9896)

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clientupdate.Updater will have a non-nil Update func in a few cases
where it doesn't actually perform an update:
* on Arch-like distros, where it prints instructions on how to update
* on macOS app store version, where it opens the app store page

Add a new clientupdate.Arguments field to cause NewUpdater to fail when
we hit one of these cases. This results in c2n updates being "not
supported" and `tailscale set --auto-update` returning an error.

Updates #755

Signed-off-by: Andrew Lytvynov <awly@tailscale.com>
This commit is contained in:
Andrew Lytvynov
2023-10-23 18:21:54 -07:00
committed by GitHub
parent 7df6f8736a
commit 593c086866
3 changed files with 45 additions and 25 deletions
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2
cmd/tailscale/cli/set.go
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@@ -157,7 +157,7 @@ func runSet(ctx context.Context, args []string) (retErr error) {
}
}
if maskedPrefs.AutoUpdateSet {
_, err := clientupdate.NewUpdater(clientupdate.Arguments{})
_, err := clientupdate.NewUpdater(clientupdate.Arguments{ForAutoUpdate: true})
if errors.Is(err, errors.ErrUnsupported) {
return errors.New("automatic updates are not supported on this platform")
}