cc-utils/.github/workflows/component-diff.yaml at master · heldkat/cc-utils · GitHub

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name: Component-Diff

# description: |
#   An opinionated workflow to determine the component-diff between the current version (read from
#   base-component-descriptor) and the greatest published release-version. Because the component-
#   descriptor and OCM releases repository is read from it, the `prepare.yaml` workflow must be
#   executed beforehand.

on:
  workflow_call:
    inputs:
      ocm-repositories:
        required: false
        type: string
        description: |
          A comma-separated list of OCM-Repository-URLs to use for looking up
          OCM-Component-Descriptors. If not passed, the value will be read from the
          `prepare-workflow-values` artefact, which is by default emitted by the
          `prepare.yaml` workflow (which must have been run prior to calling this workflow for
          this to succeed).
    outputs:
      has-diff:
        description: |
          Indicates whether (at least) one of the component dependency versions has changed.
        value: ${{ jobs.component-diff.outputs.has-diff }}
      component-diff:
        description: |
          The determined component diff between the current and the greatest version, structured
          according to `cnudie.util.ComponentDiff`.
        value: ${{ jobs.component-diff.outputs.component-diff }}

jobs:
  component-diff:
    runs-on: ${{ vars.DEFAULT_RUNNER || 'ubuntu-latest' }}
    permissions:
      contents: read
      id-token: write
    outputs:
      has-diff: ${{ steps.component-diff.outputs.has-diff }}
      component-diff: ${{ steps.component-diff.outputs.component-diff }}
    steps:
      - uses: actions/checkout@v4
      - name: collect-component-descriptor
        id: component-descriptor
        uses: gardener/cc-utils/.github/actions/merge-ocm-fragments@master
        with:
          component-descriptor-artefact: base-component-descriptor
      - name: fetch-prepare-values
        if: ${{ inputs.ocm-repositories == '' }}
        uses: gardener/cc-utils/.github/actions/download-artifact@master
        with:
          name: prepare-workflow-values
      - name: prepare-prepare-workflow-values
        id: prepare
        run: |
          if [ -f prepare-workflow-values.tar ]; then
            tar xf prepare-workflow-values.tar prepare-values.d/ocm-repositories
            ocm_repositories="$(cat prepare-values.d/ocm-repositories)"
            rm -rf prepare-values.d prepare-workflow-values.tar
          else
            ocm_repositories="${{ inputs.ocm-repositories }}"
          fi
          echo "ocm-repositories=${ocm_repositories}" >> ${GITHUB_OUTPUT}
      - uses: gardener/cc-utils/.github/actions/component-diff@master
        id: component-diff
        with:
          component-descriptor: ${{ steps.component-descriptor.outputs.component-descriptor }}
          ocm-repositories: ${{ steps.prepare.outputs.ocm-repositories }}