Mercurial > hg-stable
changeset 44065:ab41dad7345e
phases: make phasecache._phasesets immutable
Previously, some code paths would mutate the cache itself, which
could give weird results if multiple revsets got evaluated through
that path.
Differential Revision: https://phab.mercurial-scm.org/D7854
| author | Rodrigo Damazio Bovendorp <rdamazio@google.com> |
|---|---|
| date | Mon, 13 Jan 2020 19:11:44 -0800 |
| parents | 8eb3c52337a6 |
| children | f5d2720f3bea |
| files | mercurial/phases.py |
| diffstat | 1 files changed, 4 insertions(+), 0 deletions(-) [+] |
line wrap: on
line diff
--- a/mercurial/phases.py Mon Jan 13 19:06:36 2020 -0800 +++ b/mercurial/phases.py Mon Jan 13 19:11:44 2020 -0800 @@ -253,15 +253,19 @@ # fast path: _phasesets contains the interesting sets, # might only need a union and post-filtering. + revsneedscopy = False if len(phases) == 1: [p] = phases revs = self._phasesets[p] + revsneedscopy = True # Don't modify _phasesets else: # revs has the revisions in all *other* phases. revs = set.union(*[self._phasesets[p] for p in phases]) def _addwdir(wdirsubset, wdirrevs): if wdirrev in wdirsubset and repo[None].phase() in phases: + if revsneedscopy: + wdirrevs = wdirrevs.copy() # The working dir would never be in the # cache, but it was in # the subset being filtered for its phase (or filtered out, # depending on publicphase), so add it to the output to be