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Read release metadata through Cargo #7

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Merged
pathscale merged 1 commit into from
Sep 12, 2026
Merged

Read release metadata through Cargo #7

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19 changes: 6 additions & 13 deletions .github/workflows/publish.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -28,21 +28,14 @@ jobs:
# merged, tagged green, and absent from crates.io.
- id: version
run: |
name=$(grep -m1 '^name = ' Cargo.toml | cut -d'"' -f2)
new=$(grep -m1 '^version = ' Cargo.toml | cut -d'"' -f2)
case ${#name} in
1) path="1/$name" ;;
2) path="2/$name" ;;
3) path="3/${name:0:1}/$name" ;;
*) path="${name:0:2}/${name:2:2}/$name" ;;
esac
# A crate with no releases yet 404s, which is a reason to publish and
# not an error, so the failure is confined to the `if` condition.
if curl -sf "https://index.crates.io/$path" | grep -q "\"vers\":\"$new\""; then
echo "$name $new is already on crates.io, nothing to publish"
set -eu
name=$(cargo read-manifest | jq -er '.name')
version=$(cargo read-manifest | jq -er '.version')
if cargo info --registry crates-io "$name@$version" >/dev/null 2>&1; then
echo "$name $version is already on crates.io, nothing to publish"
echo "changed=false" >> "$GITHUB_OUTPUT"
else
echo "$name $new is not on crates.io, publishing"
echo "$name $version is not on crates.io, publishing"
echo "changed=true" >> "$GITHUB_OUTPUT"
fi

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