Switch *Checkout functions from closure to simple function

Because of scope visible problems for groovy closure in pipelines
is better to switch to simple function.

Change-Id: I993b2ba3cf311205e692c31e962f6a92b0a68100
1 file changed
tree: e4490dcb3a41bef4ece84541f48e04d1ea1d21fc
  1. src/
  2. vars/
  3. .gitreview