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Subtle bug, simple fix. The problem was introduced by my change that used content hashes to avoid issuing duplicate blobs. The generated .gitignore nodes didn't have a Content-Hash header, which meant all .gitignores were treated as though they had the same *empty* hash. 2.0pre8 is at: http://www.catb.org/esr/nut-conversion/nut-conversion.tar.gz Please check that the .gitignores look OK