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fix: Refuse helm chart publish when version already exists #331

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fix: Refuse helm chart publish when version already exists #331

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10 changes: 10 additions & 0 deletions .github/workflows/publish-mcp-helm-chart.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,16 @@ jobs:
with:
version: v3.20.2

- name: Refuse overwrite of existing chart version
run: |
set -euo pipefail
VER=$(grep -E "^version:" Chart.yaml | head -1 | awk "{print \$2}")
echo "Chart version is ${VER}"
# Best-effort: if the OCI tag already resolves, abort instead of overwriting.
if helm pull oci://ghcr.io/${{ github.repository_owner }}/charts/$(basename $(pwd)) --version "${VER}" --destination /tmp/helm-check 2>/dev/null; then
echo "::error::version ${VER} already published"
exit 1
fi
- name: Package and push Helm chart (OCI / Docker Hub)
run: |
set -euo pipefail
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