D2200: hg: move share._getsrcrepo into core

[pulkit (Pulkit Goyal)]

pulkit added a comment.


  Fb's hg-experimental also uses a utility module just for this function, so I am +1 on moving this to core. https://bitbucket.org/facebook/hg-experimental/src/f27f094e91553d3cae5167c0b1c42ae940f888d5/hgext3rd/shareutil.py

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D2200

To: indygreg, #hg-reviewers
Cc: pulkit, mercurial-devel