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fix(ci): provenance guard verifies the linux binary on the linux runner #94

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Merged
deblasis merged 1 commit into from
Aug 23, 2026
Merged

fix(ci): provenance guard verifies the linux binary on the linux runner #94

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8 changes: 6 additions & 2 deletions .github/workflows/release.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -74,15 +74,19 @@ jobs:
run: |
set -euo pipefail
go build -o /tmp/ref-stunt ./cmd/stunt
BIN="$(find dist -name stunt -path '*darwin_arm64*' | head -1)"
# The runner is linux: verify the binary it can execute. `stunt
# llm` embeds the same hand-maintained reference in every target,
# so a source-vs-artifact skew shows up on any platform; the
# remaining targets are pinned by checksums.txt.
BIN="$(find dist -name stunt -path '*linux_amd64*' | head -1)"
test -x "$BIN"
/tmp/ref-stunt llm > /tmp/ref.txt
"$BIN" llm > /tmp/dist.txt
if ! diff -u /tmp/ref.txt /tmp/dist.txt; then
echo "::error::shipped binary does not match this checkout (stunt llm differs) — refusing to trust the release artifacts"
exit 1
fi
echo "provenance check: shipped darwin_arm64 binary matches this checkout"
echo "provenance check: shipped linux_amd64 binary matches this checkout"

- name: Upload artifacts
uses: actions/upload-artifact@v4
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