PRs always use a merge into the repo on checkout, so checking for
`HEAD^1` will show all the changes regardless of the number of commits
in a PR
(cherry picked from commit 950743c3d8)
PRs always use a merge into the repo on checkout, so checking for
`HEAD^1` will show all the changes regardless of the number of commits
in a PR
(cherry picked from commit 950743c3d8)