Mercurial > public > mercurial-scm > hg-stable
diff mercurial/revset.py @ 32474:f064e2f72c49
revset: add support for "wdir()^n"
This patch catches the WdirUnsupported exception raised, and adds support for
wdir^n which will give us the nth parent of the working directory.
| author | Pulkit Goyal <7895pulkit@gmail.com> |
|---|---|
| date | Mon, 22 May 2017 01:01:45 +0530 |
| parents | bb5dc19484b8 |
| children | 14482f8e6ce6 |
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--- a/mercurial/revset.py Mon May 22 00:54:02 2017 +0530 +++ b/mercurial/revset.py Mon May 22 01:01:45 2017 +0530 @@ -1502,11 +1502,19 @@ if n == 0: ps.add(r) elif n == 1: - ps.add(cl.parentrevs(r)[0]) + try: + ps.add(cl.parentrevs(r)[0]) + except error.WdirUnsupported: + ps.add(repo[r].parents()[0].rev()) elif n == 2: - parents = cl.parentrevs(r) - if parents[1] != node.nullrev: - ps.add(parents[1]) + try: + parents = cl.parentrevs(r) + if parents[1] != node.nullrev: + ps.add(parents[1]) + except error.WdirUnsupported: + parents = repo[r].parents() + if len(parents) == 2: + ps.add(parents[1].rev()) return subset & ps @predicate('present(set)', safe=True)