I guess you can, although the reviewer should be `#firefox-build-reviewers` this time. `base_ref` and `head_ref` are now used in https://searchfox.org/mozilla-central/rev/daf613efc5c358f3a94961d73b90472c00703838/tools/tryselect/selectors/compare.py#36,40 as Ricky said above, while `get_upstream` can go.
Bug 1633662 Comment 4 Edit History
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I guess you can, although the reviewer should be `#firefox-build-system-reviewers` this time. `base_ref` and `head_ref` are now used in https://searchfox.org/mozilla-central/rev/daf613efc5c358f3a94961d73b90472c00703838/tools/tryselect/selectors/compare.py#36,40 as Ricky said above, while `get_upstream` can go.