try adding this way
authorAlex Harui <aharui@apache.org>
Wed, 20 Jun 2018 22:36:54 +0000 (15:36 -0700)
committerAlex Harui <aharui@apache.org>
Wed, 20 Jun 2018 22:36:54 +0000 (15:36 -0700)
commit8bde523072cea2e2f127be4ae52707be15f3ea6e
treece6608539c8af6402a80e715701215dcf6c86670
parent7bbf0d5127a8db7644a755bb5cf19e6cc6de991a
try adding this way
flex-installer/releasecandidate.xml