pb-update-yarn.yml

name: Update yarn
"on":
    schedule:
        - cron: 0 4 * * 4-5
    workflow_dispatch: {}
jobs:
    update:
        name: Update Package Dependency
        runs-on:
            - ubuntu-latest
        steps:
            - name: Docker login gcr.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.GCR_PUSH_BOT_JSON_KEY }}
                registry: gcr.io
                username: _json_key
            - name: Docker login docker.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.PAKETO_BUILDPACKS_DOCKERHUB_PASSWORD }}
                registry: docker.io
                username: ${{ secrets.PAKETO_BUILDPACKS_DOCKERHUB_USERNAME }}
            - uses: actions/setup-go@v5
              with:
                go-version: "1.23"
            - name: Install update-package-dependency
              run: |
                #!/usr/bin/env bash

                set -euo pipefail

                go install -ldflags="-s -w" github.com/paketo-buildpacks/libpak/cmd/update-package-dependency@latest
            - uses: buildpacks/github-actions/setup-tools@v5.7.2
              with:
                crane-version: 0.19.1
                yj-version: 5.1.0
            - uses: actions/checkout@v4
            - name: Update Package Dependency
              id: package
              run: |
                #!/usr/bin/env bash

                set -euo pipefail

                NEW_VERSION=$(crane ls "${DEPENDENCY}" | grep -v latest | sort -V | tail -n 1)

                if [[ -e builder.toml ]]; then
                  OLD_VERSION=$(yj -tj < builder.toml | jq -r ".buildpacks[].uri | capture(\".*${DEPENDENCY}:(?<version>.+)\") | .version")

                  update-package-dependency \
                    --builder-toml builder.toml \
                    --id "${DEPENDENCY}" \
                    --version "${NEW_VERSION}"

                  git add builder.toml
                fi

                if [[ -e package.toml ]]; then
                  OLD_VERSION=$(yj -tj < package.toml | jq -r ".dependencies[].uri | capture(\".*${DEPENDENCY}:(?<version>.+)\") | .version")

                  update-package-dependency \
                    --buildpack-toml buildpack.toml \
                    --id "${BP_DEPENDENCY:-$DEPENDENCY}" \
                    --version "${NEW_VERSION}"

                  update-package-dependency \
                    --package-toml package.toml \
                    --id "${PKG_DEPENDENCY:-$DEPENDENCY}" \
                    --version "${NEW_VERSION}"

                  git add buildpack.toml package.toml
                fi

                git checkout -- .

                if [ "$(echo "$OLD_VERSION" | awk -F '.' '{print $1}')" != "$(echo "$NEW_VERSION" | awk -F '.' '{print $1}')" ]; then
                  LABEL="semver:major"
                elif [ "$(echo "$OLD_VERSION" | awk -F '.' '{print $2}')" != "$(echo "$NEW_VERSION" | awk -F '.' '{print $2}')" ]; then
                  LABEL="semver:minor"
                else
                  LABEL="semver:patch"
                fi

                echo "old-version=${OLD_VERSION}" >> "$GITHUB_OUTPUT"
                echo "new-version=${NEW_VERSION}" >> "$GITHUB_OUTPUT"
                echo "version-label=${LABEL}" >> "$GITHUB_OUTPUT"
              env:
                DEPENDENCY: gcr.io/paketo-buildpacks/yarn
            - uses: peter-evans/create-pull-request@v6
              with:
                author: ${{ secrets.JAVA_GITHUB_USERNAME }} <${{ secrets.JAVA_GITHUB_USERNAME }}@users.noreply.github.com>
                body: Bumps [`gcr.io/paketo-buildpacks/yarn`](https://gcr.io/paketo-buildpacks/yarn) from [`${{ steps.package.outputs.old-version }}`](https://gcr.io/paketo-buildpacks/yarn:${{ steps.package.outputs.old-version }}) to [`${{ steps.package.outputs.new-version }}`](https://gcr.io/paketo-buildpacks/yarn:${{ steps.package.outputs.new-version }}).
                branch: update/package/yarn
                commit-message: |-
                    Bump gcr.io/paketo-buildpacks/yarn from ${{ steps.package.outputs.old-version }} to ${{ steps.package.outputs.new-version }}

                    Bumps gcr.io/paketo-buildpacks/yarn from ${{ steps.package.outputs.old-version }} to ${{ steps.package.outputs.new-version }}.
                delete-branch: true
                labels: ${{ steps.package.outputs.version-label }}, type:dependency-upgrade
                signoff: true
                title: Bump gcr.io/paketo-buildpacks/yarn from ${{ steps.package.outputs.old-version }} to ${{ steps.package.outputs.new-version }}
                token: ${{ secrets.PAKETO_BOT_GITHUB_TOKEN }}