Commit 8abf69ea authored by Committed by Edward Z. Yang
Support cabal update --index-state.
The strategy is to save an 01-index.timestamp file that remembers what --index-state the user requested during cabal update. Subsequently, we use that index state if no more precise index state was specified (via the flag or a project config.) Signed-off-by: Edward Z. Yang <email@example.com>
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