in app/models/build.rb [73:87]
def retry(build)
new_build = Build.new(status: :pending)
new_build.options = build.options
new_build.commands = build.commands
new_build.tag_list = build.tag_list
new_build.commit_id = build.commit_id
new_build.project_id = build.project_id
new_build.name = build.name
new_build.allow_failure = build.allow_failure
new_build.stage = build.stage
new_build.trigger_request = build.trigger_request
new_build.save
new_build
end