1 files changed, 23 insertions, 0 deletions
diff --git a/third_party/nix/scripts/eval.sh b/third_party/nix/scripts/eval.sh
new file mode 100755
index 000000000000..f71d9f7931fe
--- /dev/null
+++ b/third_party/nix/scripts/eval.sh
@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+set -eo pipefail
+
+# Run `nix eval` using a local store, for use during development. Intended to
+# be run from the cmake build directory
+
+if [ "$#" -gt 0 ] && [ "$1" = "--debug" ]; then
+    gdb=(gdb --args)
+    shift 1
+elif [ "$1" = "--rr" ]; then
+    gdb=(rr record)
+    shift 1
+else
+    gdb=()
+fi
+
+make -j 10
+NIX_STORE_DIR=$(pwd)/nix/store \
+    NIX_LOG_DIR=$(pwd)/nix/var/log/nix \
+    NIX_STATE_DIR=$(pwd)/nix/var/nix \
+    XDG_CACHE_HOME=$(pwd)/cache \
+    NIX_REMOTE=daemon \
+    ${gdb[*]} ./src/nix eval "$@"