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Rebuild 3.14 On Upstream Update #2

Rebuild 3.14 On Upstream Update

Rebuild 3.14 On Upstream Update #2

name: Rebuild 3.14 On Upstream Update
on:
schedule:
- cron: "0 0 */7 * *"
workflow_dispatch:
permissions:
contents: write
jobs:
rebuild-if-upstream-changed:
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@v4
- name: Install skopeo
run: |
sudo apt-get update
sudo apt-get install -y skopeo
- name: Read latest upstream digest
id: latest
run: |
set -euo pipefail
digest="$(skopeo inspect --format '{{.Digest}}' docker://python:3.14-slim-bookworm)"
echo "digest=${digest}" >> "$GITHUB_OUTPUT"
- name: Read stored digest
id: stored
run: |
set -euo pipefail
file=".github/state/python-3.14-slim-bookworm.digest"
if [ -f "$file" ]; then
echo "digest=$(cat "$file")" >> "$GITHUB_OUTPUT"
else
echo "digest=" >> "$GITHUB_OUTPUT"
fi
- name: Print digest comparison
run: |
echo "latest: ${{ steps.latest.outputs.digest }}"
echo "stored: ${{ steps.stored.outputs.digest }}"
- name: Login to Docker Hub
if: steps.latest.outputs.digest != steps.stored.outputs.digest
run: |
echo "${{ secrets.DOCKERHUB_TOKEN }}" | docker login -u "${{ secrets.DOCKERHUB_USERNAME }}" --password-stdin
- name: Build and push 3.14 images
if: steps.latest.outputs.digest != steps.stored.outputs.digest
run: |
set -euo pipefail
bash ./build-and-push-3_14.sh
- name: Persist latest digest
if: steps.latest.outputs.digest != steps.stored.outputs.digest
run: |
set -euo pipefail
mkdir -p .github/state
echo "${{ steps.latest.outputs.digest }}" > .github/state/python-3.14-slim-bookworm.digest
git config user.name "github-actions[bot]"
git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
git add .github/state/python-3.14-slim-bookworm.digest
git commit -m "chore: track python 3.14 slim-bookworm digest" || exit 0
git push
- name: Skip build when unchanged
if: steps.latest.outputs.digest == steps.stored.outputs.digest
run: echo "Upstream python:3.14-slim-bookworm digest unchanged. Skipping build."