Simon Law 7f4aaed1d5
cmd/derpprobe: exit with non-zero status if --once fails (#15926)
`cmd/derpprobe --once` didn’t respect the convention of non-zero exit
status for a failed run. It would always exit zero (i.e. success),
even. This patch fixes that, but only for `--once` mode.

Fixes: #15925

Signed-off-by: Simon Law <sfllaw@tailscale.com>
2025-05-12 12:53:55 -07:00
..