element-desktop/.github/workflows/build_prepare.yaml

# This action helps perform common actions before the build_* actions are started in parallel.
on:
    workflow_call:
        inputs:
            config:
                type: string
                required: true
                description: "The config directory to use"
            version:
                type: string
                required: false
                description: "The version tag to fetch, or 'develop', will pick automatically if not passed"
            nightly:
                type: boolean
                required: false
                default: false
                description: "Whether the build is a Nightly and to calculate the version strings new builds should use"
            deploy:
                type: boolean
                required: false
                default: false
                description: "Whether the build should be deployed to production"
        secrets:
            # Required if `nightly` is set
            CF_R2_ACCESS_KEY_ID:
                required: false
            # Required if `nightly` is set
            CF_R2_TOKEN:
                required: false
        outputs:
            nightly-version:
                description: "The version string the next Nightly should use, only output for nightly"
                value: ${{ jobs.prepare.outputs.nightly-version }}
            packages-dir:
                description: "The directory non-deb packages for this run should live in within packages.element.io"
                value: ${{ inputs.nightly && 'nightly' || 'desktop' }}
            # These are just simple pass-throughs of the input to simplify reuse of complex inline conditions
            config:
                description: "The relative path to the config file for this run"
                value: ${{ inputs.config }}
            deploy:
                description: "The relative path to the config file for this run"
                value: ${{ inputs.deploy }}
jobs:
    prepare:
        name: Prepare
        environment: ${{ inputs.nightly && 'packages.element.io' || '' }}
        runs-on: ubuntu-latest
        outputs:
            nightly-version: ${{ steps.versions.outputs.nightly }}
        steps:
            - uses: actions/checkout@v4

            - uses: actions/setup-node@v4
              with:
                  node-version-file: package.json
                  cache: "yarn"

            - name: Install Deps
              run: "yarn install --frozen-lockfile"

            - name: Fetch Element Web
              run: yarn run fetch --noverify -d ${{ inputs.config }} ${{ inputs.version }}

            # We split this out to save the build_* scripts having to do it to make use of `hashFiles` in the cache action
            - name: Generate cache hash files
              run: |
                  yarn run --silent electron --version > electronVersion
                  cat package.json | jq -c .hakDependencies | sha1sum > hakHash
                  find hak -type f -print0 | xargs -0 sha1sum >> hakHash
                  find scripts/hak -type f -print0 | xargs -0 sha1sum >> hakHash                  

            - name: "[Nightly] Calculate version"
              id: versions
              if: inputs.nightly
              run: |
                  # Find all latest Nightly versions
                  aws s3 cp s3://$R2_BUCKET/nightly/update/macos/releases.json - --endpoint-url $R2_URL --region auto | jq -r .currentRelease >> VERSIONS
                  aws s3 cp s3://$R2_BUCKET/debian/dists/default/main/binary-amd64/Packages - --endpoint-url $R2_URL --region auto | grep "Package: element-nightly" -A 50 | grep Version -m1 | sed -n 's/Version: //p' >> VERSIONS
                  aws s3 cp s3://$R2_BUCKET/debian/dists/default/main/binary-arm64/Packages - --endpoint-url $R2_URL --region auto | grep "Package: element-nightly" -A 50 | grep Version -m1 | sed -n 's/Version: //p' >> VERSIONS
                  aws s3 cp s3://$R2_BUCKET/nightly/update/win32/x64/RELEASES - --endpoint-url $R2_URL --region auto | awk '{print $2}' | cut -d "-" -f 5 | cut -c 8- >> VERSIONS
                  aws s3 cp s3://$R2_BUCKET/nightly/update/win32/ia32/RELEASES - --endpoint-url $R2_URL --region auto | awk '{print $2}' | cut -d "-" -f 5 | cut -c 8- >> VERSIONS

                  # Pick the greatest one
                  VERSION=$(cat VERSIONS | sort -uf | tail -n1)
                  echo "Found latest nightly version $VERSION"
                  # Increment it
                  echo "nightly=$(scripts/generate-nightly-version.ts --latest $VERSION)" >> $GITHUB_OUTPUT                  
              env:
                  AWS_ACCESS_KEY_ID: ${{ secrets.CF_R2_ACCESS_KEY_ID }}
                  AWS_SECRET_ACCESS_KEY: ${{ secrets.CF_R2_TOKEN }}
                  R2_BUCKET: ${{ vars.R2_BUCKET }}
                  R2_URL: ${{ vars.CF_R2_S3_API }}

            - name: Check version
              id: package
              run: |
                  echo "version=$(cat package.json | jq -r .version)" >> $GITHUB_OUTPUT                  

            - name: "[Release] Fetch release"
              id: release
              if: ${{ !inputs.nightly && inputs.version != 'develop' }}
              uses: cardinalby/git-get-release-action@cedef2faf69cb7c55b285bad07688d04430b7ada # v1
              env:
                  GITHUB_TOKEN: ${{ github.token }}
              with:
                  tag: v${{ steps.package.outputs.version }}

            - name: "[Release] Write changelog"
              if: ${{ !inputs.nightly && inputs.version != 'develop' }}
              run: |
                  TIME=$(date -d "$PUBLISHED_AT" -R)
                  echo "element-desktop ($VERSION) default; urgency=medium" >> changelog.Debian
                  echo "$BODY" | sed 's/^##/\n  */g;s/^\*/  */g' | perl -pe 's/\[.+?]\((.+?)\)/\1/g' >> changelog.Debian
                  echo "" >> changelog.Debian
                  echo " -- $ACTOR <support@element.io>  $TIME" >> changelog.Debian                  
              env:
                  ACTOR: ${{ github.actor }}
                  VERSION: v${{ steps.package.outputs.version }}
                  BODY: ${{ steps.release.outputs.body }}
                  PUBLISHED_AT: ${{ steps.release.outputs.published_at }}

            - name: "[Nightly] Write summary"
              if: inputs.nightly
              run: |
                  BUNDLE_HASH=$(npx asar l webapp.asar | grep /bundles/ | head -n 1 | sed 's|.*/||')
                  WEBAPP_VERSION=$(./scripts/get-version.ts)
                  WEB_VERSION=${WEBAPP_VERSION:0:12}
                  REACT_VERSION=${WEBAPP_VERSION:19:12}
                  JS_VERSION=${WEBAPP_VERSION:35:12}

                  echo "### Nightly build ${{ steps.versions.outputs.nightly }}" >> $GITHUB_STEP_SUMMARY
                  echo "" >> $GITHUB_STEP_SUMMARY
                  echo "| Component   | Version |" >> $GITHUB_STEP_SUMMARY
                  echo "| ----------- | ------- |" >> $GITHUB_STEP_SUMMARY
                  echo "| Bundle Hash | $BUNDLE_HASH |" >> $GITHUB_STEP_SUMMARY
                  echo "| Element Web | [$WEB_VERSION](https://github.com/element-hq/element-web/commit/$WEB_VERSION) |" >> $GITHUB_STEP_SUMMARY
                  echo "| React SDK   | [$REACT_VERSION](https://github.com/matrix-org/matrix-react-sdk/commit/$REACT_VERSION) |" >> $GITHUB_STEP_SUMMARY
                  echo "| JS SDK      | [$JS_VERSION](https://github.com/matrix-org/matrix-js-sdk/commit/$JS_VERSION) |" >> $GITHUB_STEP_SUMMARY                  

            - uses: actions/upload-artifact@v4
              with:
                  name: webapp
                  retention-days: 1
                  path: |
                      webapp.asar
                      package.json
                      electronVersion
                      hakHash
                      changelog.Debian