update-dependency-version.yml

name: Check and update version of single dependency

on:
  workflow_call:
    inputs:
      repo_url:
        description: 'the repo url; currently only supports github repos'
        required: true
        type: string
      current_tag:
        description: 'the current repo ref (e.g. master, v1.0.0, etc.)'
        required: true
        type: string
      env_var_name:
        description: 'the environment variable to replace'
        required: true
        type: string

jobs:
  check-and-update-dependencies:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
    
      # Parse the repo url (e.g. "https://github.com/bitcoin/bips") and extract:
      # - the full repo name (e.g. "bitcoin/bips")
      # - a short name (e.g. "bips")
      - name: Prepare Repo Info
        id: repoinfo
        env:
          REPO_URL: ${{ inputs.repo_url }}
        run: |
          echo "NAME=$(echo ${REPO_URL#*://*/})" >> $GITHUB_OUTPUT
          echo "NAME_SHORT=$(echo ${REPO_URL##*://*/})" >> $GITHUB_OUTPUT

      - name: Get Latest Releases
        id: versions
        env:
          REPO_NAME: ${{ steps.repoinfo.outputs.NAME }}
        run: |
          echo "RELEASE_TAG=$(curl -sL "https://api.github.com/repos/${REPO_NAME}/releases/latest" | jq -r ".tag_name")" >> $GITHUB_OUTPUT

      - name: Update Environment Variable
        if: inputs.current_tag != steps.versions.outputs.RELEASE_TAG
        env:
          ENV_VARNAME: ${{ inputs.env_var_name }}
          RELEASE_TAG: ${{ steps.versions.outputs.release_tag }}
        run: |
          sed -i "s/^$ENV_VARNAME=.*/$ENV_VARNAME=$RELEASE_TAG/g" .env

      - name: Create Pull Request
        if: steps.versions.outputs.RELEASE_TAG != '' && inputs.current_tag != steps.versions.outputs.RELEASE_TAG
        env:
          RELEASE_TAG: ${{ steps.versions.outputs.RELEASE_TAG }}
          NAME: ${{ steps.repoinfo.outputs.NAME_SHORT }}
          LINK: ${{ inputs.repo_url }}
        uses: peter-evans/create-pull-request@v4
        with:
          add-paths: .env
          branch: ${{ env.NAME }}-updates
          delete-branch: true
          commit-message: Update ${{ env.NAME }} to ${{ env.RELEASE_TAG }} (automated change)
          title: Update ${{ env.NAME }} to ${{ env.RELEASE_TAG }}
          body: |
            Updates [${{ env.NAME }}][1] to ${{ env.RELEASE_TAG }}.

            [1]: ${{ env.LINK }}
          labels: |
            automated pr
            dependencies