absorb: avoid mutable default arg
Differential Revision: https://phab.mercurial-scm.org/D4043
--- a/hgext/absorb.py Mon Jul 30 14:05:56 2018 -0400
+++ b/hgext/absorb.py Wed Aug 01 18:23:28 2018 -0400
@@ -126,7 +126,7 @@
result.reverse()
return result
-def getfilestack(stack, path, seenfctxs=set()):
+def getfilestack(stack, path, seenfctxs=None):
"""([ctx], str, set) -> [fctx], {ctx: fctx}
stack is a list of contexts, from old to new. usually they are what
@@ -163,6 +163,8 @@
- if stack = [6, 7], returns ([1, 2], {6: 1, 7: 2}), although {6: 1} can be
removed, since 1 is immutable.
"""
+ if seenfctxs is None:
+ seenfctxs = set()
assert stack
if path not in stack[-1]: