bolero reduce doesn’t seem to do anything

[Porges]

After running bolero reduce nothing seems to happen in terms of the number of files in the corpus. Is there a known issue here?

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I manged to hack something together by running a sequence like:

mkdir output
BOLERO_LIBFUZZER_ARGS="-merge=1 output tests/mytest/corpus" target/fuzz/.../mytest_...
rm tests/mytest/corpus/*
mv output/* tests/mytest/corpus

This does result in compaction of the corpus (although you need to run it multiple times until you reach some fixed point).

[camshaft]

It's definitely possible that it's broken. We're currently missing test coverage on reduce actually reducing the corpus.