--- a/mercurial/revsetlang.py Thu Jan 31 14:47:34 2019 -0800
+++ b/mercurial/revsetlang.py Sun Jan 27 13:18:53 2019 +0900
@@ -240,6 +240,15 @@
return None, None
raise error.ParseError(err)
+def getintrange(x, err1, err2, deffirst=_notset, deflast=_notset):
+ """Get [first, last] integer range (both inclusive) from a parsed tree
+
+ If any of the sides omitted, and if no default provided, ParseError will
+ be raised.
+ """
+ a, b = getrange(x, err1)
+ return getinteger(a, err2, deffirst), getinteger(b, err2, deflast)
+
def getargs(x, min, max, err):
l = getlist(x)
if len(l) < min or (max >= 0 and len(l) > max):