return true
		}
	}
	return false
}

// TrimGoSum trims go.sum to contain only the modules needed for reproducible
// builds.
//
// keep is used to check whether a sum should be retained in go.mod. It should
// have entries for both module content sums and go.mod sums (version ends
// with "/go.mod").
func TrimGoSum(keep map[module.Version]bool) {
	goSum.mu.Lock()
	defer goSum.mu.Unlock()

			if err != nil {
				base.Fatal(err)
			}
			goModDiff := diff.Diff("current/go.mod", currentGoMod, "tidy/go.mod", updatedGoMod)

			modfetch.TrimGoSum(keep)
			// Dropping compatibility for 1.16 may result in a strictly smaller go.sum.
			// Update the keep map with only the loaded.requirements.
			if gover.Compare(compatVersion, "1.16") > 0 {