[Commented On] D9783: upgrade: take lock only for part where it's required

pulkit (Pulkit Goyal) phabricator at mercurial-scm.org
Fri Jan 15 12:07:49 UTC 2021


pulkit added a comment.


  In D9783#147739 <https://phab.mercurial-scm.org/D9783#147739>, @marmoute wrote:
  
  > When upgrading, we need to read the requirements -with- the lock. Otherwise we can be raced by another process upgrading the requirements.
  
  The requirements which we are reading here are source repository requirements. Hence the lock was no-op here. To prevent race condition, we will need to lock the source repository. Locking source repository on a command run by share sounded like a bad idea to me and hence left it.

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  https://phab.mercurial-scm.org/D9783

To: pulkit, #hg-reviewers, marmoute
Cc: marmoute, mercurial-patches
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