message: chore: fix travis condition
  Allow build any branch in fork repository.
diff: @@ -8,7 +8,7 @@ git:
  depth: 2
  submodules: false
  -if: 'branch IN (master, develop) OR branch =~ /^rc\// OR type != push OR fork = true OR tag IS present'
  +if: 'branch IN (master, develop) OR branch =~ /^rc\// OR type != push OR repo != nervosnetwork/ckb OR tag IS present'
  env:
  global:
  