message: Add ENV to zig-binary-path
diff: @@ -104,7 +104,7 @@ pub(crate) struct CrossCompile {
  tarball: Option<PathBuf>,
  /// Specify `zig` binary path (defaults to `zig` in $PATH if not present)
  - #[clap(long = "zig-binary-path", requires = "target")]
  + #[clap(long = "zig-binary-path", requires = "target", env)]
  zig_binary_path: Option<PathBuf>,
  }
  