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-rw-r--r--third_party/nix/tests/dump-db.sh20
1 files changed, 20 insertions, 0 deletions
diff --git a/third_party/nix/tests/dump-db.sh b/third_party/nix/tests/dump-db.sh
new file mode 100644
index 000000000000..d6eea42aa04e
--- /dev/null
+++ b/third_party/nix/tests/dump-db.sh
@@ -0,0 +1,20 @@
+source common.sh
+
+clearStore
+
+path=$(nix-build dependencies.nix -o $TEST_ROOT/result)
+
+deps="$(nix-store -qR $TEST_ROOT/result)"
+
+nix-store --dump-db > $TEST_ROOT/dump
+
+rm -rf $NIX_STATE_DIR/db
+
+nix-store --load-db < $TEST_ROOT/dump
+
+deps2="$(nix-store -qR $TEST_ROOT/result)"
+
+[ "$deps" = "$deps2" ];
+
+nix-store --dump-db > $TEST_ROOT/dump2
+cmp $TEST_ROOT/dump $TEST_ROOT/dump2