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  • Simon Farnsworth's avatar
    evolve: lock the working copy early in next and prev (issue5244) · 970a4c13ebc3
    Simon Farnsworth authored
    Both next and prev depend on a consistent working copy, but were waiting to
    take the lock until they were ready to alter the working copy.
    
    Take the lock before reading the working copy state, and do not release it
    until we're definitely not going to change the working copy.
    970a4c13ebc3