Fix Unpacking with merge flag failed without --dir flag #243

Job	Run time
rustfmt-nightly-check	13s
clippy-checks	58s
build-and-test / build-artifacts-and-run-tests (true, true, false, false, x86_64-pc-windows-gnu)	1m 59s
build-and-test / build-artifacts-and-run-tests (true, true, false, false, x86_64-unknown-linux-gnu)	31s
build-and-test / build-artifacts-and-run-tests (true, true, false, false, aarch64-pc-windows-msvc)	46s
build-and-test / build-artifacts-and-run-tests (true, true, false, false, x86_64-apple-darwin)	1m 31s
build-and-test / build-artifacts-and-run-tests (true, true, false, false, x86_64-pc-windows-msvc)	2m 3s
build-and-test / build-artifacts-and-run-tests (true, true, false, false, x86_64-unknown-linux-musl)	1m 0s
build-and-test / build-artifacts-and-run-tests (true, true, false, false, aarch64-unknown-linux-musl)	4m 34s
build-and-test / build-artifacts-and-run-tests (true, x86_64-unknown-linux-gnu)	31s
build-and-test / build-artifacts-and-run-tests (true, true, false, false, aarch64-unknown-linux-gnu)	5m 30s
build-and-test / build-artifacts-and-run-tests (true, x86_64-unknown-linux-gnu)	38s
build-and-test / build-artifacts-and-run-tests (true, true, false, false, armv7-unknown-linux-musleabihf)	5m 8s
build-and-test / build-artifacts-and-run-tests (true, true, false, false, armv7-unknown-linux-gnueabihf)	5m 52s
build-and-test / build-artifacts-and-run-tests (false, x86_64-unknown-linux-gnu)	29s
build-and-test / build-artifacts-and-run-tests (false, x86_64-unknown-linux-gnu)	30s
	32m 13s

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