code: func ArchiveVersion(gitCommit string) string {
  	vsn := Version
  	if VersionMeta != "stable" {
  		vsn += "-" + VersionMeta
  	}
  	if len(gitCommit) >= 8 {
  		vsn += "-" + gitCommit[:8]
  	}
  	return vsn
  }
docs: // ArchiveVersion holds the textual version string used for Geth archives.
  // e.g. "1.8.11-dea1ce05" for stable releases, or
  //      "1.8.13-unstable-21c059b6" for unstable releases