1 files changed, 33 insertions, 0 deletions
diff --git a/pkgs/tools/misc/lorri/runtime.nix b/pkgs/tools/misc/lorri/runtime.nix
new file mode 100644
index 00000000000..71bc89b5af3
--- /dev/null
+++ b/pkgs/tools/misc/lorri/runtime.nix
@@ -0,0 +1,33 @@
+{
+  # Plumbing tools:
+  closureInfo, runCommand, writeText, buildEnv,
+
+  # Actual dependencies to propagate:
+  bash, coreutils }:
+let
+  tools = buildEnv {
+    name = "lorri-runtime-tools";
+    paths = [ coreutils bash ];
+  };
+
+  runtimeClosureInfo = closureInfo {
+    rootPaths = [ tools ];
+  };
+
+  closureToNix = runCommand "closure.nix" {}
+  ''
+    (
+      echo '{ dep, ... }: ['
+      sed -E 's/^(.*)$/    (dep \1)/' ${runtimeClosureInfo}/store-paths
+      echo ']'
+    ) > $out
+  '';
+
+  runtimeClosureInfoAsNix = runCommand "runtime-closure.nix" {
+    runtime_closure_list = closureToNix;
+    tools_build_host = tools;
+  }
+  ''
+    substituteAll ${./runtime-closure.nix.template} $out
+  '';
+in runtimeClosureInfoAsNix