Add 'third_party/nix/' from commit 'be66c7a6b24e3c3c6157fd37b86c7203d14acf10' r/724

git-subtree-dir: third_party/nix
git-subtree-mainline: cf8cd640c1adf74a3706efbcb0ea4625da106fb2
git-subtree-split: be66c7a6b24e3c3c6157fd37b86c7203d14acf10

1 files changed, 38 insertions, 0 deletions

diff --git a/third_party/nix/tests/gc-runtime.sh b/third_party/nix/tests/gc-runtime.sh
new file mode 100644
index 000000000000..4c5028005c57
--- /dev/null
+++ b/third_party/nix/tests/gc-runtime.sh
@@ -0,0 +1,38 @@
+source common.sh
+
+case $system in
+    *linux*)
+        ;;
+    *)
+        exit 0;
+esac
+
+set -m # enable job control, needed for kill
+
+profiles="$NIX_STATE_DIR"/profiles
+rm -rf $profiles
+
+nix-env -p $profiles/test -f ./gc-runtime.nix -i gc-runtime
+
+outPath=$(nix-env -p $profiles/test -q --no-name --out-path gc-runtime)
+echo $outPath
+
+echo "backgrounding program..."
+$profiles/test/program &
+sleep 2 # hack - wait for the program to get started
+child=$!
+echo PID=$child
+
+nix-env -p $profiles/test -e gc-runtime
+nix-env -p $profiles/test --delete-generations old
+
+nix-store --gc
+
+kill -- -$child
+
+if ! test -e $outPath; then
+    echo "running program was garbage collected!"
+    exit 1
+fi
+
+exit 0