Set -o pipefail new scripts

A few scripts were added without set -o pipefail since the original
change to add that everywhere.  This will get the dib-lint check
passing again.

Change-Id: I96bef45cc10ff9bbcf2c4f1b796b8cd188e10485
Check for set -o pipefail

Like the other set lint checks, this will hopefully catch errors
in element scripts sooner.

Change-Id: Ib1600938f6ffed657ff2950ef54bbcbdb5a0db08
Merge "Set -o pipefail new scripts"
Merge "Check for set -o pipefail"