The --help output is the correct one. The man page needs to be updated.
** Changed in: ubuntu-dev-tools (Ubuntu)
Status: New = Triaged
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/usr/bin/syncpackage: syncpackage and its manpage disagree completely
https://bugs.launchpad.net/bugs/598477
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** Changed in: ubuntu-dev-tools (Debian)
Importance: Undecided = Unknown
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/usr/bin/syncpackage: syncpackage and its manpage disagree completely
https://bugs.launchpad.net/bugs/598477
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