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chore(ci): add cosign signing and provenance attestation to multi-OS release workflow #5369

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Ludy87 wants to merge 4 commits into from
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chore(ci): add cosign signing and provenance attestation to multi-OS release workflow #5369

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87273e2
Use cosign bundles for release signatures
Ludy87 Dec 30, 2025
de57bb8
Update cosign and attest-build-provenance actions
Ludy87 Dec 30, 2025
37a7a11
Remove provenance statement generation step
Ludy87 Dec 30, 2025
ebfe810
Merge branch 'main' into codex/add-attribution-and-signature-mechanism
Ludy87 Dec 31, 2025
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28 changes: 28 additions & 0 deletions .github/workflows/multiOSReleases.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -527,7 +527,9 @@ jobs:
needs: [determine-matrix, build, build-jars]
runs-on: ubuntu-latest
permissions:
attestations: write
contents: write
id-token: write
steps:
- name: Harden Runner
uses: step-security/harden-runner@95d9a5deda9de15063e7595e9719c11c38c90ae2 # v2.13.2
Expand Down Expand Up @@ -561,6 +563,30 @@ jobs:
- name: Display structure of downloaded files
run: ls -R ./artifacts

- name: Install cosign
uses: sigstore/cosign-installer@dc72c7d5c4d10cd6bcb8cf6e3fd625a9e5e537da # v3.7.0

- name: Sign release artifacts with cosign
env:
COSIGN_EXPERIMENTAL: "true"
run: |
while IFS= read -r -d '' file; do
echo "Signing ${file}"
cosign sign-blob --yes \
--bundle "${file}.sigstore.json" \
"${file}"
done < <(find ./artifacts -type f \( -name "*.jar" -o -name "*.msi" -o -name "*.dmg" -o -name "*.deb" -o -name "*.AppImage" \) -print0)

- name: Attest release artifacts
uses: actions/attest-build-provenance@e8998f949152b193b063cb0ec769d69d929409be # v2.4.0
with:
subject-path: |
./artifacts/**/*.jar
./artifacts/**/*.msi
./artifacts/**/*.dmg
./artifacts/**/*.deb
./artifacts/**/*.AppImage

- name: Upload binaries to Release
uses: softprops/action-gh-release@a06a81a03ee405af7f2048a818ed3f03bbf83c7b # v2.5.0
with:
Expand All @@ -572,5 +598,7 @@ jobs:
./artifacts/**/*.dmg
./artifacts/**/*.deb
./artifacts/**/*.AppImage
./artifacts/**/*.sigstore.json
./artifacts/**/*.intoto.jsonl
draft: false
prerelease: false