view i18n/polib.LICENSE @ 16359:a1b6a63f9f39 stable

context: make changectx.mutable() benefit from .phase() logic

This fixes "hg qimport -r null". Previous versions used to:
- Traceback because null revision mutability was not defined
- Add an empty -1.diff patch to the series

The error message:

  abort: revision -1 is not mutable

is symptomatic of a deeper problem in phase command revision handling. It could
be fixed easily in the command itself but I feel a better fix must be done in
phase API which raises the issue of phase updates atomicity: aborting in
phases.advanceboundary/retractboundary requires a better rollback behaviour to
avoid partial changes.

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