General permissions check before doing the build
I'm not sure in which way mmdebstrap could possibly do any checks here. Suppose somebody runs mmdebstrap with:
--customize-hook="sync-out /foo ./bar"
If I understand you…
General permissions check before doing the build
I would add also that in the example provided, adding allow_others
on the sshfs option mount point being the sync-out destination leads to other error like:
tar:…
General permissions check before doing the build