move pipefail from bash invocation to set to be more robust/make work
move pipefail from bash invocation to set to be more robust/make work

ukscone/telehash-c,telehash/telehash-c,telehash/telehash-c,ukscone/telehash-c,telehash/telehash-c,telehash/telehash-c,ukscone/telehash-c,ukscone/telehash-c