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fix(ci): run prek over all files when a push has no base commit #1127

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Merged
kvinwang merged 1 commit into from
Aug 25, 2026
+13 −1
Merged

fix(ci): run prek over all files when a push has no base commit #1127

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14 changes: 13 additions & 1 deletion .github/workflows/prek-check.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -49,4 +49,16 @@ jobs:

- name: Run prek checks (push)
if: github.event_name == 'push'
run: prek run --from-ref ${{ github.event.before }} --to-ref ${{ github.event.after }} --show-diff-on-failure
env:
BEFORE: ${{ github.event.before }}
AFTER: ${{ github.event.after }}
run: |
# A push that creates a branch reports an all-zero "before", and a
# force-push can name one this clone no longer has. Neither is a commit,
# so the range would be invalid; check every file instead.
if git rev-parse --verify --quiet "$BEFORE^{commit}" >/dev/null; then
prek run --from-ref "$BEFORE" --to-ref "$AFTER" --show-diff-on-failure
else
echo "no usable base commit ($BEFORE); checking all files"
prek run --all-files --show-diff-on-failure
fi
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