D4780: repo: look up nullrev context by revnum, not symbolic name

This revision was automatically updated to reflect the committed changes. Closed by commit rHG1737ab4490e7: repo: look up nullrev context by revnum, not symbolic name (authored by martinvonz, committed by ). CHANGED PRIOR TO COMMIT https://phab.mercurial-scm.org/D4780?vs=11452&id=11465#toc REP

D4780: repo: look up nullrev context by revnum, not symbolic name

martinvonz created this revision. Herald added a subscriber: mercurial-devel. Herald added a reviewer: hg-reviewers. REVISION SUMMARY I think lookup of the 'null' symbol should be done via scmutil.revsymbol() and repo['null'] is only supported for historical reasons. However, repo[nullrev] i