def merge(h1, h2, branch1Name, branch2Name, graph, callDepth=0, ancestor=None):
'''Merge the commits h1 and h2, return the resulting virtual
- commit object and a flag indicating the cleaness of the merge.'''
+ commit object and a flag indicating the cleanness of the merge.'''
assert(isinstance(h1, Commit) and isinstance(h2, Commit))
global outputIndent