pre-build: fix workflow failures (again)

For real this time.
Homebrew · Apr 27, 2024 · 9a31983 · 9a31983
1 parent 7dd2c6c
commit 9a31983
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/pre-build/action.yml b/pre-build/action.yml
@@ -40,8 +40,8 @@ runs:
  cache_key_prefix="${macos_version}-${arch}"
  fi
  echo "cache_key_prefix=${cache_key_prefix}" >> "$GITHUB_ENV"
- echo "macos_version=${macos_version}" >> "$GITHUB_OUTPUT"
- echo "arch=${arch}" >> "$GITHUB_OUTPUT"
+ echo "macos_version=${macos_version:-}" >> "$GITHUB_OUTPUT"
+ echo "arch=${arch:-}" >> "$GITHUB_OUTPUT"
 
  - name: Cache Homebrew Bundler RubyGems
  id: cache