* weed/shell: support -noLock flag in volumeServer.evacuate (#12501)
* shell: return flag parse errors from volumeServer.evacuate
A typo such as -noLock=invalid printed the parse error but the command
still succeeded, so a piped script treated the evacuation as done.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
* shell: volumeServer.evacuate -h prints usage without failing
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Co-authored-by: Chris Lu <chrislusf@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>