always check out the github.head_ref
in CI
#1186
Merged
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The default behavior for the
actions/checkout
is to check out thegithub.ref
commit.In the case of
pull_request_target
triggers, thegithub.ref
commit is the last commit on the target branch (typicallymain
), instead of the PR branch:https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request_target
Unfortunately, that means that unless we specify the correct PR branch, the
kotlin.yml
workflow jobs will just execute against themain
.