chore: checkpoint before Python removal

vendor/untrusted/mk/runner

@@ -0,0 +1,21 @@
+#!/bin/bash
+set -eux -o pipefail
+IFS=$'\n\t'
+
+for arg in $*; do
+  # There can be some arguments prefixed in front of the executable, e.g.
+  # when qemu-user is used. There can be arguments after the executable,
+  # e.g. `cargo test` arguments like `TESTNAME`.
+  if [[ $arg = */deps/* ]]; then
+    executable=$arg
+    break
+  fi
+done
+
+export LLVM_PROFILE_FILE=$(dirname "$RING_BUILD_EXECUTABLE_LIST")/$(basename "$executable").profraw
+
+if [ -n "$RING_BUILD_EXECUTABLE_LIST" ]; then
+  echo "$executable" >> "$RING_BUILD_EXECUTABLE_LIST"
+fi
+
+$*