cargo review-deps update-diff -d diff -- --package foo --precise 1.2.3 should put the before/after snapshots of the packages that would be changed by cargo update --pacakge foo --precise 1.2.3 command, without doing the actual update.
implementation:
run cargo metadata once to learn about current state
remember Cargo.lock
run cargo update, forwarding args.
parse update's output to learn about changes (alternatively, diff metadatas?)
run cargo metadata again, to learn about the new state
cargo review-deps update-diff -d diff -- --package foo --precise 1.2.3should put the before/after snapshots of the packages that would be changed bycargo update --pacakge foo --precise 1.2.3command, without doing the actual update.implementation:
cargo metadataonce to learn about current stateCargo.lockcargo update, forwarding args.cargo metadataagain, to learn about the new stateCargo.lock