Refs of morphs repo after first build:
refs/heads/baserock/builds/123456789/987654321
refs/heads/branch1
refs/heads/master
refs/remotes/origin/HEAD
refs/remotes/origin/master
Refs of kernel repo after first build:
refs/heads/baserock/builds/123456789/AABBCCDDE
refs/heads/branch1
refs/heads/master
refs/remotes/origin/HEAD
refs/remotes/origin/master

Refs of morphs repo after second build:
refs/heads/baserock/builds/123456789/987654321
refs/heads/branch1
refs/heads/master
refs/heads/newprefix/123456789/987654321
refs/remotes/origin/HEAD
refs/remotes/origin/master
Refs of kernel repo after second build:
refs/heads/baserock/builds/123456789/AABBCCDDE
refs/heads/branch1
refs/heads/master
refs/heads/newprefix/123456789/AABBCCDDE
refs/remotes/origin/HEAD
refs/remotes/origin/master