Brad Fitzpatrick 3b5ada1fd8 cmd/tailscale/cli: use errors.Is to check ff's wrapped flag errors
And also check from its Parse method.

Change-Id: I18754920575254cb6858a16b7954e74aa16483a1
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-10-27 14:06:22 -07:00
..
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