Upstream Diff #270
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| name: Upstream Diff | |
| on: | |
| pull_request: | |
| push: | |
| schedule: | |
| - cron: 0 0 * * 0 | |
| defaults: | |
| run: | |
| shell: 'bash -Eeuo pipefail -x {0}' | |
| jobs: | |
| generate: | |
| name: Generate Matrix | |
| runs-on: ubuntu-latest | |
| outputs: | |
| versions: ${{ steps.generate.outputs.versions }} | |
| steps: | |
| - uses: actions/checkout@v3 | |
| - id: generate | |
| name: Generate Matrix | |
| run: | | |
| versions=( */ ) | |
| versions=( "${versions[@]%/}" ) | |
| IFS=$'\n' | |
| versionsJson="$(IFS=$'\n'; jq <<<"${versions[*]}" -csR 'rtrimstr("\n") | split("\n")')" | |
| echo "::set-output name=versions::$versionsJson" | |
| diff: | |
| needs: generate | |
| strategy: | |
| matrix: | |
| version: ${{ fromJson(needs.generate.outputs.versions) }} | |
| fail-fast: false | |
| name: ${{ matrix.version }} | |
| runs-on: ubuntu-latest | |
| env: | |
| version: ${{ matrix.version }} | |
| steps: | |
| - uses: actions/checkout@v3 | |
| - name: Gather Data | |
| run: | | |
| upstreamImage="$(awk '$1 == "FROM" { print $2; exit }' "$version/Dockerfile")" | |
| [ -n "$upstreamImage" ] # sanity check | |
| echo "upstreamImage=$upstreamImage" >> "$GITHUB_ENV" | |
| buildImage="$GITHUB_REPOSITORY:$version" | |
| echo "buildImage=$buildImage" >> "$GITHUB_ENV" | |
| dockerBuild="$(gawk '$1 == "#" && $2 == "docker" && $3 == "build" { gsub(/^#[[:space:]]+/, ""); print }' "$version/Dockerfile")" | |
| [ -n "$dockerBuild" ] # sanity check | |
| dockerBuild+=" --pull --tag '$buildImage'" | |
| echo "dockerBuild=$dockerBuild" >> "$GITHUB_ENV" | |
| - name: Pull | |
| run: | | |
| docker pull "$upstreamImage" | |
| - name: Build | |
| run: | | |
| eval "$dockerBuild" | |
| - name: Diff | |
| run: | | |
| diff -u <(.github/workflows/history.sh "$upstreamImage") <(.github/workflows/history.sh "$buildImage") | |
| - name: Overall Size | |
| run: | | |
| docker image ls "${upstreamImage%%:*}" | |
| docker image ls "${buildImage%%:*}" | |
| - name: Full History | |
| run: | | |
| docker image history "$upstreamImage" | |
| docker image history "$buildImage" |