Merge pull request #100 from infosiftr/backfill #263
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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" |