"""
Dummy SCM backend for Digress.
"""
from random import random
def checkout(revision):
"""
Checkout a revision.
"""
pass
def current_rev():
"""
Get the current revision
"""
return str(random())
def revisions(rev_a, rev_b):
"""
Get a list of revisions from one to another.
"""
pass
def stash():
"""
Stash the repository.
"""
pass
def unstash():
"""
Unstash the repository.
"""
pass
def bisect(command, revision):
"""
Perform a bisection.
"""
raise NotImplementedError("dummy SCM backend does not support bisection")
