Don't show progress bar when there's nothing to hash (#1610)
Don't show progress bar when there's nothing to hash (#1610)


quiltdata/quilt-compiler,quiltdata/quilt,quiltdata/quilt-compiler,quiltdata/quilt,quiltdata/quilt-compiler,quiltdata/quilt,quiltdata/quilt,quiltdata/quilt-compiler,quiltdata/quilt