Mercurial > public > mercurial-scm > hg
comparison mercurial/commands.py @ 1257:fe7fbfdb066d
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.
| author | Bryan O'Sullivan <bos@serpentine.com> |
|---|---|
| date | Thu, 15 Sep 2005 00:04:29 -0700 |
| parents | e825dfea3823 |
| children | 325c07fd2ebd |
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| 1255:e825dfea3823 | 1257:fe7fbfdb066d |
|---|---|
| 161 return defval | 161 return defval |
| 162 try: | 162 try: |
| 163 num = int(val) | 163 num = int(val) |
| 164 if str(num) != val: | 164 if str(num) != val: |
| 165 raise ValueError | 165 raise ValueError |
| 166 if num < 0: | 166 if num < 0: num += revcount |
| 167 num += revcount | 167 if num < 0: num = 0 |
| 168 if not (0 <= num < revcount): | 168 elif num >= revcount: |
| 169 raise ValueError | 169 raise ValueError |
| 170 except ValueError: | 170 except ValueError: |
| 171 try: | 171 try: |
| 172 num = repo.changelog.rev(repo.lookup(val)) | 172 num = repo.changelog.rev(repo.lookup(val)) |
| 173 except KeyError: | 173 except KeyError: |