source common.sh clearStore cp ./dependencies.nix ./dependencies.builder0.sh ./config.nix $TEST_HOME cd $TEST_HOME nix-build ./dependencies.nix -A input0_drv -o dep nix-build ./dependencies.nix -o toplevel FAST_WHY_DEPENDS_OUTPUT=$(nix why-depends ./toplevel ./dep) PRECISE_WHY_DEPENDS_OUTPUT=$(nix why-depends ./toplevel ./dep --precise) # Both outputs should show that `input-2` is in the dependency chain echo "$FAST_WHY_DEPENDS_OUTPUT" | grep -q input-2 echo "$PRECISE_WHY_DEPENDS_OUTPUT" | grep -q input-2 # But only the “precise” one should refere to `reference-to-input-2` echo "$FAST_WHY_DEPENDS_OUTPUT" | (! grep -q reference-to-input-2) echo "$PRECISE_WHY_DEPENDS_OUTPUT" | grep -q reference-to-input-2