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Use crates.io Trusted publishing to publish releases to crates.io #678

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Use crates.io Trusted publishing to publish releases to crates.io #678

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c52dc84
Add CI job to publish to crates.io
jschwe Dec 4, 2025
50a5b79
Always attempt to publish, and handle exists error gracefully
jschwe Dec 10, 2025
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34 changes: 34 additions & 0 deletions .github/workflows/publish.yml
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Original file line number Diff line number Diff line change
@@ -1,5 +1,10 @@
# Workflow to publish crates.io and GitHub releases
# Changes to this workflow must be reviewed carefully!
name: Publish

# Workflow triggers should be strictly controlled,
# as this will trigger publishing to crates.io.
# We only want to publish on the main branch.
on:
push:
branches: [main]
Expand Down Expand Up @@ -50,3 +55,32 @@ jobs:
with:
release-tag: ${{ needs.publish-github-release.outputs.release-tag }}
rust_version: stable

# Our CI testing ensures that mozjs-sys and mozjs are always bumped together.
# We always publish both versions, since mozjs depends on a specific version
# of mozjs-sys
publish-crates-io:
name: Publish to crates.io
runs-on: ubuntu-latest
needs:
- publish-github-release
- verify-release
permissions:
id-token: write
steps:
- uses: actions/checkout@v6
- uses: rust-lang/crates-io-auth-action@v1
id: auth
# publish mozjs-sys. We ignore the error if the version is already published, but abort the workflow
# on other errors.
- run: |
cargo publish -p mozjs-sys 2> err.log || grep "already exists on crates.io" err.log || ( cat err.log ; exit 1)
env:
CARGO_REGISTRY_TOKEN: ${{ steps.auth.outputs.token }}
# Wait a bit to ensure the release is published
- run: sleep 5
- run: |
rm -f err.log
cargo publish -p mozjs 2> err.log || grep "already exists on crates.io" err.log || ( cat err.log ; exit 1)
env:
CARGO_REGISTRY_TOKEN: ${{ steps.auth.outputs.token }}
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