nixbuild-n-ipfsdeploy.yml

name: deploy-to-ipfs
on: workflow_dispatch

jobs:
  nix-build:
    runs-on: ubuntu-latest
    steps:
      - uses: styfle/cancel-workflow-action@0.6.0
        with:
          access_token: ${{ github.token }}

      - uses: actions/checkout@v2

      - name: install Nix
        uses: cachix/install-nix-action@v16

      - uses: cachix/cachix-action@v8
        with:
          name: centrifuge-website
          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'

      - name: build
        id: build
        run: |
          nix build -L .
          echo "::set-output name=dist::$(readlink result)"

      - name: upload artifact
        uses: actions/upload-artifact@v2
        with:
          name: centrifuge-website-${{ github.sha }}
          path: ${{ steps.build.outputs.dist }}

  publish:
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/main' || github.event_name == 'pull_request'
    needs: build
    steps:
      - name: download artifact
        uses: actions/download-artifact@v2
        with:
          name: centrifuge-website-${{ github.sha }}
          path: centrifuge-website

      - uses: ipfs/download-ipfs-distribution-action@v1

      - name: initialize ipfs configuration
        run: ipfs init --profile server
      # See https://github.com/ipfs/go-ipfs/blob/master/docs/experimental-features.md#autorelay
      - run: ipfs config --json Swarm.RelayClient.Enabled true

      - uses: ipfs/start-ipfs-daemon-action@v1
        with:
          args: '' # skip config init because we already did it above

      - name: publish the website on ipfs
        id: publish
        run: |
          ipfs add -rQ centrifuge-website | tee ipfs_cid
          echo "::set-output name=cid::$(cat ipfs_cid)"

      - name: pin the website using pinata
        run: |
          ipfs pin remote service add pinata https://api.pinata.cloud/psa ${{ secrets.PINATA_JWT }}

          cid=${{ steps.publish.outputs.cid }}
          if ! ipfs pin remote ls --service=pinata --cid=$cid | grep pinned; then
            ipfs pin remote add --service=pinata --name=centrifuge-website $cid
          fi

  comment-on-pr:
    if: github.event_name == 'pull_request'
    runs-on: ubuntu-latest
    needs: build
    steps:
      - uses: jwalton/gh-find-current-pr@v1
        id: finder
      - uses: marocchino/sticky-pull-request-comment@v2.2.0
        with:
          number: ${{ steps.finder.outputs.pr }}
          hide_and_recreate: true
          hide_classify: 'OUTDATED'
          message: |
            <h2 align="center">IPFS Preview for ${{ github.sha }} is ready</h2>
            <p align="center">
              <a href="https://ipfs.io/ipfs/${{ steps.publish.outputs.cid }}/" target="_blank">
                <code>${{ steps.publish.outputs.cid }}</code>
                :mag_right:
              </a>
            </p>