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e9324236e8
The default values for `tailscale up` and `tailscale set` are supposed
to agree for all common flags. But they don’t for `--accept-routes`
on Windows and from the Mac OS App Store, because `tailscale up`
computes this value based on the operating system:
user@host:~$ tailscale up --help 2>&1 | grep -A1 accept-routes
--accept-dns, --accept-dns=false
accept DNS configuration from the admin panel (default true)
user@host:~$ tailscale set --help 2>&1 | grep -A1 accept-routes
--accept-dns, --accept-dns=false
accept DNS configuration from the admin panel
Luckily, `tailscale set` uses `ipn.MaskedPrefs`, so the default values
don’t logically matter. But someone will get the wrong idea if they
trust the `tailscale set --help` documentation.
In addition, `ipn.Prefs.RouteAll` defaults to true so it disagrees
with both of the flags above.
This patch makes `--accept-routes` use the same logic for in both
commands by hoisting the logic that was buried in `cmd/tailscale/cli`
to `ipn.Prefs.DefaultRouteAll`. Then, all three of defaults can agree.
Fixes: #15319
Signed-off-by: Simon Law <sfllaw@sfllaw.ca>