pb-create-package.yml

name: Create Package
"on":
    release:
        types:
            - published
jobs:
    create-package:
        name: Create Package
        runs-on:
            - ubuntu-latest
        steps:
            - name: Docker login ghcr.io
              if: ${{ (github.event_name != 'pull_request' || ! github.event.pull_request.head.repo.fork) && (github.actor != 'dependabot[bot]') }}
              uses: docker/login-action@v3
              with:
                password: ${{ secrets.AMP_BUILDPACKS_BOT_GITHUB_TOKEN }}
                registry: ghcr.io
                username: ${{ github.actor }}
            - uses: actions/setup-go@v5
              with:
                go-version: "1.20"
            - name: Install create-package
              run: |
                #!/usr/bin/env bash

                set -euo pipefail

                go install -ldflags="-s -w" github.com/paketo-buildpacks/libpak/cmd/create-package@latest
            - uses: buildpacks/github-actions/setup-tools@v5.5.3
              with:
                crane-version: 0.19.0
                yj-version: 5.1.0
            - uses: buildpacks/github-actions/setup-pack@v5.5.3
              with:
                pack-version: 0.33.2
            - name: Enable pack Experimental
              if: ${{ false }}
              run: |
                #!/usr/bin/env bash

                set -euo pipefail

                echo "Enabling pack experimental features"

                mkdir -p "${HOME}"/.pack
                echo "experimental = true" >> "${HOME}"/.pack/config.toml
            - uses: actions/checkout@v4
            - if: ${{ false }}
              uses: actions/cache@v4
              with:
                key: ${{ runner.os }}-go-${{ hashFiles('**/buildpack.toml', '**/package.toml') }}
                path: |-
                    ${{ env.HOME }}/.pack
                    ${{ env.HOME }}/carton-cache
                restore-keys: ${{ runner.os }}-go-
            - name: Compute Version
              id: version
              run: |
                #!/usr/bin/env bash

                set -euo pipefail

                if [[ ${GITHUB_REF:-} != "refs/"* ]]; then
                  echo "GITHUB_REF set to [${GITHUB_REF:-}], but that is unexpected. It should start with 'refs/*'"
                  exit 255
                fi

                if [[ ${GITHUB_REF} =~ refs/tags/v([0-9]+\.[0-9]+\.[0-9]+) ]]; then
                  VERSION=${BASH_REMATCH[1]}

                  MAJOR_VERSION="$(echo "${VERSION}" | awk -F '.' '{print $1 }')"
                  MINOR_VERSION="$(echo "${VERSION}" | awk -F '.' '{print $1 "." $2 }')"

                  echo "version-major=${MAJOR_VERSION}" >> "$GITHUB_OUTPUT"
                  echo "version-minor=${MINOR_VERSION}" >> "$GITHUB_OUTPUT"
                elif [[ ${GITHUB_REF} =~ refs/heads/(.+) ]]; then
                  VERSION=${BASH_REMATCH[1]}
                else
                  VERSION=$(git rev-parse --short HEAD)
                fi

                echo "version=${VERSION}" >> "$GITHUB_OUTPUT"
                echo "Selected ${VERSION} from
                  * ref: ${GITHUB_REF}
                  * sha: ${GITHUB_SHA}
                "
            - name: Create Package
              run: |
                #!/usr/bin/env bash

                set -euo pipefail

                # With Go 1.20, we need to set this so that we produce statically compiled binaries
                #
                # Starting with Go 1.20, Go will produce binaries that are dynamically linked against libc
                #   which can cause compatibility issues. The compiler links against libc on the build system
                #   but that may be newer than on the stacks we support.
                export CGO_ENABLED=0

                if [[ "${INCLUDE_DEPENDENCIES}" == "true" ]]; then
                  create-package \
                    --source ${SOURCE_PATH:-.} \
                    --cache-location "${HOME}"/carton-cache \
                    --destination "${HOME}"/buildpack \
                    --include-dependencies \
                    --version "${VERSION}"
                else
                  create-package \
                    --source ${SOURCE_PATH:-.} \
                    --destination "${HOME}"/buildpack \
                    --version "${VERSION}"
                fi

                PACKAGE_FILE=${SOURCE_PATH:-.}/package.toml
                [[ -e ${PACKAGE_FILE} ]] && cp ${PACKAGE_FILE} "${HOME}"/package.toml
                printf '[buildpack]\nuri = "%s"\n\n[platform]\nos = "%s"\n' "${HOME}"/buildpack "${OS}" >> "${HOME}"/package.toml
              env:
                INCLUDE_DEPENDENCIES: "false"
                OS: linux
                SOURCE_PATH: ""
                VERSION: ${{ steps.version.outputs.version }}
            - name: Package Buildpack
              id: package
              run: |-
                #!/usr/bin/env bash

                set -euo pipefail


                PACKAGE_LIST=($PACKAGES)
                # Extract first repo (Docker Hub) as the main to package & register
                PACKAGE=${PACKAGE_LIST[0]}

                if [[ "${PUBLISH:-x}" == "true" ]]; then
                  pack buildpack package \
                    "${PACKAGE}:${VERSION}" \
                    --config "${HOME}"/package.toml \
                    --publish

                  if [[ -n ${VERSION_MINOR:-} && -n ${VERSION_MAJOR:-} ]]; then
                    crane tag "${PACKAGE}:${VERSION}" "${VERSION_MINOR}"
                    crane tag "${PACKAGE}:${VERSION}" "${VERSION_MAJOR}"
                  fi
                  crane tag "${PACKAGE}:${VERSION}" latest
                  echo "digest=$(crane digest "${PACKAGE}:${VERSION}")" >> "$GITHUB_OUTPUT"

                  # copy to other repositories specified
                  for P in "${PACKAGE_LIST[@]}"
                    do
                      if [ "$P" != "$PACKAGE" ]; then
                        crane copy "${PACKAGE}:${VERSION}" "${P}:${VERSION}"
                        if [[ -n ${VERSION_MINOR:-} && -n ${VERSION_MAJOR:-} ]]; then
                           crane tag "${P}:${VERSION}" "${VERSION_MINOR}"
                           crane tag "${P}:${VERSION}" "${VERSION_MAJOR}"
                        fi
                        crane tag "${P}:${VERSION}" latest
                      fi
                    done

                else
                  pack buildpack package \
                    "${PACKAGE}:${VERSION}" \
                    --config "${HOME}"/package.toml \
                    --format "${FORMAT}"
                fi
              env:
                PACKAGES: ghcr.io/amp-buildpacks/scarb
                PUBLISH: "true"
                VERSION: ${{ steps.version.outputs.version }}
                VERSION_MAJOR: ${{ steps.version.outputs.version-major }}
                VERSION_MINOR: ${{ steps.version.outputs.version-minor }}
            - name: Update release with digest
              run: |
                #!/usr/bin/env bash

                set -euo pipefail

                PAYLOAD=$(cat "${GITHUB_EVENT_PATH}")

                RELEASE_ID=$(jq -n -r --argjson PAYLOAD "${PAYLOAD}" '$PAYLOAD.release.id')
                RELEASE_TAG_NAME=$(jq -n -r --argjson PAYLOAD "${PAYLOAD}" '$PAYLOAD.release.tag_name')
                RELEASE_NAME=$(jq -n -r --argjson PAYLOAD "${PAYLOAD}" '$PAYLOAD.release.name')
                RELEASE_BODY=$(jq -n -r --argjson PAYLOAD "${PAYLOAD}" '$PAYLOAD.release.body')

                gh api \
                  --method PATCH \
                  "/repos/:owner/:repo/releases/${RELEASE_ID}" \
                  --field "tag_name=${RELEASE_TAG_NAME}" \
                  --field "name=${RELEASE_NAME}" \
                  --field "body=${RELEASE_BODY//<!-- DIGEST PLACEHOLDER -->/\`${DIGEST}\`}"
              env:
                DIGEST: ${{ steps.package.outputs.digest }}
                GITHUB_TOKEN: ${{ secrets.AMP_BUILDPACKS_BOT_GITHUB_TOKEN }}
            - if: ${{ false }}
              uses: docker://ghcr.io/buildpacks/actions/registry/request-add-entry:4.0.1
              with:
                address: ghcr.io/amp-buildpacks/scarb@${{ steps.package.outputs.digest }}
                id: amp-buildpacks/scarb
                token: ${{ secrets.AMP_BUILDPACKS_BOT_GITHUB_TOKEN }}
                version: ${{ steps.version.outputs.version }}