ci: fix dependencies

tests/toolchain_test/toolchain_version.sh

@@ -1,8 +1,64 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
-bun_path="$1"
-version="$(${bun_path} --version)"
+if [[ -z ${RUNFILES_DIR:-} && -n ${TEST_SRCDIR:-} && -d ${TEST_SRCDIR} ]]; then
+  RUNFILES_DIR="${TEST_SRCDIR}"
+fi
+if [[ -z ${RUNFILES_DIR:-} && -z ${RUNFILES_MANIFEST_FILE:-} ]]; then
+  if [[ -d "$0.runfiles" ]]; then
+    RUNFILES_DIR="$0.runfiles"
+  elif [[ -f "$0.runfiles_manifest" ]]; then
+    RUNFILES_MANIFEST_FILE="$0.runfiles_manifest"
+  elif [[ -f "$0.exe.runfiles_manifest" ]]; then
+    RUNFILES_MANIFEST_FILE="$0.exe.runfiles_manifest"
+  fi
+fi
+
+resolve_runfile() {
+  local path="${1:-}"
+  local candidate
+  local resolved
+
+  if [[ -z ${path} ]]; then
+    echo "Error: missing runfile path" >&2
+    exit 1
+  fi
+  if [[ ${path} == /* || ${path} =~ ^[A-Za-z]:[\\/] ]]; then
+    printf '%s\n' "${path}"
+    return 0
+  fi
+  if [[ -e ${path} ]]; then
+    printf '%s\n' "${path}"
+    return 0
+  fi
+
+  for candidate in \
+    "${path}" \
+    "${TEST_WORKSPACE:-}/${path}" \
+    "_main/${path}"; do
+    [[ -z ${candidate} ]] && continue
+    if [[ -n ${RUNFILES_DIR:-} && -e "${RUNFILES_DIR}/${candidate}" ]]; then
+      printf '%s\n' "${RUNFILES_DIR}/${candidate}"
+      return 0
+    fi
+    if [[ -n ${RUNFILES_MANIFEST_FILE:-} ]]; then
+      resolved="$(
+        awk -v key="${candidate}" 'index($0, key " ") == 1 { print substr($0, length(key) + 2); exit }' \
+          "${RUNFILES_MANIFEST_FILE}"
+      )"
+      if [[ -n ${resolved} ]]; then
+        printf '%s\n' "${resolved}"
+        return 0
+      fi
+    fi
+  done
+
+  echo "Error: unable to resolve runfile: ${path}" >&2
+  exit 1
+}
+
+bun_path="$(resolve_runfile "${1:-}")"
+version="$("${bun_path}" --version)"
 
 if [[ ! ${version} =~ ^[0-9]+\.[0-9]+\.[0-9]+ ]]; then
   echo "Unexpected bun version output: ${version}" >&2