1 files changed, 43 insertions, 0 deletions
diff --git a/tests/functional/nix-build.sh b/tests/functional/nix-build.sh
new file mode 100644
index 000000000..44a5a14cd
--- /dev/null
+++ b/tests/functional/nix-build.sh
@@ -0,0 +1,43 @@
+source common.sh
+
+clearStore
+
+outPath=$(nix-build dependencies.nix -o $TEST_ROOT/result)
+test "$(cat $TEST_ROOT/result/foobar)" = FOOBAR
+
+# The result should be retained by a GC.
+echo A
+target=$(readLink $TEST_ROOT/result)
+echo B
+echo target is $target
+nix-store --gc
+test -e $target/foobar
+
+# But now it should be gone.
+rm $TEST_ROOT/result
+nix-store --gc
+if test -e $target/foobar; then false; fi
+
+outPath2=$(nix-build $(nix-instantiate dependencies.nix) --no-out-link)
+[[ $outPath = $outPath2 ]]
+
+outPath2=$(nix-build $(nix-instantiate dependencies.nix)!out --no-out-link)
+[[ $outPath = $outPath2 ]]
+
+outPath2=$(nix-store -r $(nix-instantiate --add-root $TEST_ROOT/indirect dependencies.nix)!out)
+[[ $outPath = $outPath2 ]]
+
+# The order of the paths on stdout must correspond to the -A options
+# https://github.com/NixOS/nix/issues/4197
+
+input0="$(nix-build nix-build-examples.nix -A input0 --no-out-link)"
+input1="$(nix-build nix-build-examples.nix -A input1 --no-out-link)"
+input2="$(nix-build nix-build-examples.nix -A input2 --no-out-link)"
+body="$(nix-build nix-build-examples.nix -A body --no-out-link)"
+
+outPathsA="$(echo $(nix-build nix-build-examples.nix -A input0 -A input1 -A input2 -A body --no-out-link))"
+[[ "$outPathsA" = "$input0 $input1 $input2 $body" ]]
+
+# test a different ordering to make sure it fails, not just in 23 out of 24 permutations
+outPathsB="$(echo $(nix-build nix-build-examples.nix -A body -A input1 -A input2 -A input0 --no-out-link))"
+[[ "$outPathsB" = "$body $input1 $input2 $input0" ]]