Clamp negative rev numbers at zero.
Prior to this change, trying to run "hg log -r -50:" in a repo with
less than 50 changes caused an error. Now that we clamp at zero: no
more error.
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -163,9 +163,9 @@ def revrange(ui, repo, revs, revlog=None
num = int(val)
if str(num) != val:
raise ValueError
- if num < 0:
- num += revcount
- if not (0 <= num < revcount):
+ if num < 0: num += revcount
+ if num < 0: num = 0
+ elif num >= revcount:
raise ValueError
except ValueError:
try: