D152: repo: skip invalidation of changelog if it has 'delayed' changes (API)

[quark (Jun Wu)]

quark added a comment.


  Could we call `changelog._writepending()` automatically to solve this problem?

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D152

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To: martinvonz, #hg-reviewers
Cc: quark, mercurial-devel