name: CI

on:
  push:
    branches:
      - main
      - v[0-9]+
    tags:
      - devel
      - v*

concurrency:
  # Terminate all previous runs of the same workflow for the same tag, but never
  # cancel for the main / release branch pipelines.
  group: ci-${{ (github.ref_type == 'tag' && github.ref) || github.run_id }}
  # TODO: Enable this once https://github.com/orgs/community/discussions/13015 is solved
  cancel-in-progress: false

jobs:
  check:
    name: Check
    if: startsWith(github.ref, 'refs/heads/')
    uses: ./.github/workflows/check.yaml
    secrets:
      CACHIX_AUTH_TOKEN: ${{ secrets.CACHIX_AUTH_TOKEN }}


  docs:
    name: Docs
    if: startsWith(github.ref, 'refs/heads/')
    uses: ./.github/workflows/docs.yaml
    secrets:
      CACHIX_AUTH_TOKEN: ${{ secrets.CACHIX_AUTH_TOKEN }}


  test:
    name: Test
    if: startsWith(github.ref, 'refs/heads/')
    uses: ./.github/workflows/test.yaml
    secrets:
      CACHIX_AUTH_TOKEN: ${{ secrets.CACHIX_AUTH_TOKEN }}
      CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}


  build:
    name: Build
    uses: ./.github/workflows/build.yaml
    secrets:
      CACHIX_AUTH_TOKEN: ${{ secrets.CACHIX_AUTH_TOKEN }}


  arm:
    name: Build / Cabal - aarch64 GHC 9.4.8
    if: vars.SSH_ARM_ENABLED
    runs-on: ubuntu-22.04
    outputs:
      remotepath: ${{ steps.Remote-Dir.outputs.remotepath }}
    env:
      GITHUB_COMMIT: ${{ github.sha }}
      GHC_VERSION: '9.4.8'
    steps:
      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
      - id: Remote-Dir
        name: Unique directory name for the remote build
        run: echo "remotepath=postgrest-build-$(uuidgen)" >> "$GITHUB_OUTPUT"
      - name: Copy script files to the remote server
        uses: appleboy/scp-action@master
        with:
          host: ${{ secrets.SSH_ARM_HOST }}
          username: ubuntu
          key: ${{ secrets.SSH_ARM_PRIVATE_KEY }}
          fingerprint: ${{ secrets.SSH_ARM_FINGERPRINT }}
          source: ".github/scripts/arm/*"
          target: ${{ steps.Remote-Dir.outputs.remotepath }}
          strip_components: 3
      - name: Build ARM
        uses: appleboy/ssh-action@master
        env:
          REMOTE_DIR: ${{ steps.Remote-Dir.outputs.remotepath }}
        with:
          host: ${{ secrets.SSH_ARM_HOST }}
          username: ubuntu
          key: ${{ secrets.SSH_ARM_PRIVATE_KEY }}
          fingerprint: ${{ secrets.SSH_ARM_FINGERPRINT }}
          command_timeout: 120m
          script_stop: true
          envs: GITHUB_COMMIT,REMOTE_DIR,GHC_VERSION
          script: bash ~/$REMOTE_DIR/build.sh "$GITHUB_COMMIT" "$REMOTE_DIR" "$GHC_VERSION"
      - name: Download binaries from remote server
        uses: nicklasfrahm/scp-action@main
        with:
          direction: download
          host: ${{ secrets.SSH_ARM_HOST }}
          username: ubuntu
          key: ${{ secrets.SSH_ARM_PRIVATE_KEY }}
          fingerprint: ${{ secrets.SSH_ARM_FINGERPRINT }}
          source: "${{ steps.Remote-Dir.outputs.remotepath }}/result.tar.xz"
          target: "result.tar.xz"
      - name: Extract downloaded binaries
        run: tar -xvf result.tar.xz && rm result.tar.xz
      - name: Save aarch64 executable as artifact
        uses: actions/upload-artifact@0b2256b8c012f0828dc542b3febcab082c67f72b # v4.3.4
        with:
          name: postgrest-ubuntu-aarch64
          path: result/postgrest
          if-no-files-found: error


  tag:
    name: Release / Tag
    concurrency:
      # Never tag outdated commits on the main branch by skipping superseded commits
      group: ci-tag-${{ (github.ref == 'refs/heads/main' && github.ref) || github.run_id }}
      # TODO: Enable this once https://github.com/orgs/community/discussions/13015 is solved
      cancel-in-progress: false
    if: |
      vars.RELEASE_ENABLED &&
      startsWith(github.ref, 'refs/heads/') &&
      needs.docs.result == 'success' &&
      needs.test.result == 'success' &&
      needs.build.result == 'success' &&
      (needs.arm.result == 'skipped' || success())
    permissions:
      contents: write
    runs-on: ubuntu-22.04
    needs:
      - docs
      - test
      - build
      - arm
    steps:
      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
        with:
          ssh-key: ${{ secrets.POSTGREST_SSH_KEY }}
      - name: Tag latest commit
        run: |
          cabal_version="$(grep -oP '^version:\s*\K.*' postgrest.cabal)"

          if [[ "$cabal_version" == *.*.* ]]; then
            git fetch --tags

            if [ -z "$(git tag --list "v$cabal_version")" ]; then
              git tag "v$cabal_version"
              git push origin "v$cabal_version"
            fi
          else
            git tag -f "devel"
            git push -f origin "devel"
          fi


  prepare:
    name: Release / Prepare
    if: |
      startsWith(github.ref, 'refs/tags/') &&
      needs.build.result == 'success' &&
      (needs.arm.result == 'skipped' || success())
    runs-on: ubuntu-22.04
    needs:
      - build
      - arm
    steps:
      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
      - name: Check the version to be released
        run: |
          cabal_version="$(grep -oP '^version:\s*\K.*' postgrest.cabal)"

          if [ "${GITHUB_REF_NAME}" != "devel" ] && [ "${GITHUB_REF_NAME}" != "v$cabal_version" ]; then
            echo "Tagged version ($GITHUB_REF_NAME) does not match the one in postgrest.cabal (v$cabal_version). Aborting release..."
            exit 1
          fi
      - name: Identify changes from CHANGELOG.md
        run: |
          if [ "${GITHUB_REF_NAME}" == "devel" ]; then
            echo "Getting unreleased changes..."
            sed -n "1,/## Unreleased/d;/## \[/q;p" CHANGELOG.md > CHANGES.md
          else
            version="$(grep -oP '^version:\s*\K.*' postgrest.cabal)"
            echo "Propper release, getting changes for version $version ..."
            sed -n "1,/## \[$version\]/d;/## \[/q;p" CHANGELOG.md > CHANGES.md
          fi

          echo "Relevant extract from CHANGELOG.md:"
          cat CHANGES.md
      - name: Save CHANGES.md as artifact
        uses: actions/upload-artifact@0b2256b8c012f0828dc542b3febcab082c67f72b # v4.3.4
        with:
          name: release-changes
          path: CHANGES.md
          if-no-files-found: error


  github:
    name: Release / GitHub
    permissions:
      contents: write
    runs-on: ubuntu-22.04
    needs:
      - prepare
    if: success() || needs.prepare.result == 'success'
    steps:
      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
      - name: Download all artifacts
        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
        with:
          path: artifacts
      - name: Create release bundle with archives for all builds
        run: |
          find artifacts -type f -iname postgrest -exec chmod +x {} \;

          mkdir -p release-bundle

          tar cJvf "release-bundle/postgrest-${GITHUB_REF_NAME}-linux-static-x64.tar.xz" \
            -C artifacts/postgrest-linux-static-x64 postgrest

          tar cJvf "release-bundle/postgrest-${GITHUB_REF_NAME}-macos-x64.tar.xz" \
            -C artifacts/postgrest-macos-x64 postgrest

          tar cJvf "release-bundle/postgrest-${GITHUB_REF_NAME}-freebsd-x64.tar.xz" \
            -C artifacts/postgrest-freebsd-x64 postgrest

          tar cJvf "release-bundle/postgrest-${GITHUB_REF_NAME}-ubuntu-aarch64.tar.xz" \
            -C artifacts/postgrest-ubuntu-aarch64 postgrest

          zip "release-bundle/postgrest-${GITHUB_REF_NAME}-windows-x64.zip" \
            artifacts/postgrest-windows-x64/postgrest.exe

      - name: Save release bundle
        uses: actions/upload-artifact@0b2256b8c012f0828dc542b3febcab082c67f72b # v4.3.4
        with:
          name: release-bundle
          path: release-bundle
          if-no-files-found: error

      - name: Publish release on GitHub
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          echo "Releasing version ${GITHUB_REF_NAME} on GitHub..."

          if [ "${GITHUB_REF_NAME}" == "devel" ]; then
            # To replace the existing release, we must first delete the old assets,
            # then modify the release, then add the new assets.
            gh release view devel --json assets \
              | jq -r '.assets[] | .name' \
              | xargs -rn1 \
              gh release delete-asset -y devel
            gh release edit devel \
              -t devel \
              --verify-tag \
              -F artifacts/release-changes/CHANGES.md \
              --prerelease
            gh release upload --clobber devel release-bundle/*
          else
            gh release create "${GITHUB_REF_NAME}" \
              -t "${GITHUB_REF_NAME}" \
              --verify-tag \
              -F artifacts/release-changes/CHANGES.md \
              release-bundle/*
          fi


  docker:
    name: Release / Docker Hub
    runs-on: ubuntu-22.04
    needs:
      - prepare
    if: |
      vars.DOCKER_REPO && vars.DOCKER_USER &&
      (success() || needs.prepare.result == 'success')
    env:
      DOCKER_REPO: ${{ vars.DOCKER_REPO }}
      DOCKER_USER: ${{ vars.DOCKER_USER }}
      DOCKER_PASS: ${{ secrets.DOCKER_PASS }}
    steps:
      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
      - name: Download Docker image
        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
        with:
          name: postgrest-docker-x64
      - name: Publish images on Docker Hub
        run: |
          docker login -u "$DOCKER_USER" -p "$DOCKER_PASS"
          docker load -i postgrest-docker.tar.gz

          docker tag postgrest:latest "$DOCKER_REPO/postgrest:${GITHUB_REF_NAME}"
          docker push "$DOCKER_REPO/postgrest:${GITHUB_REF_NAME}"

          # Only tag 'latest' for full releases
          if [ "${GITHUB_REF_NAME}" != "devel" ]; then
            echo "Pushing to 'latest' tag for full release of ${GITHUB_REF_NAME} ..."
            docker tag postgrest:latest "$DOCKER_REPO"/postgrest:latest
            docker push "$DOCKER_REPO"/postgrest:latest
          else
            echo "Skipping push to 'latest' tag for pre-release..."
          fi


  docker-description:
    name: Release / Docker Hub Description
    runs-on: ubuntu-22.04
    if: |
      vars.DOCKER_REPO && vars.DOCKER_USER &&
      github.ref == 'refs/tags/devel'
    steps:
      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
      - uses: peter-evans/dockerhub-description@e98e4d1628a5f3be2be7c231e50981aee98723ae # v4.0.0
        with:
          username: ${{ vars.DOCKER_USER }}
          password: ${{ secrets.DOCKER_PASS }}
          repository: ${{ vars.DOCKER_REPO }}/postgrest
          short-description: ${{ github.event.repository.description }}
          readme-filepath: ./docker-hub-readme.md


  docker-arm:
    name: Release / Docker Hub Arm
    runs-on: ubuntu-22.04
    needs:
      - arm
      - docker
    env:
      GITHUB_COMMIT: ${{ github.sha }}
      DOCKER_REPO: ${{ vars.DOCKER_REPO }}
      DOCKER_USER: ${{ vars.DOCKER_USER }}
      DOCKER_PASS: ${{ secrets.DOCKER_PASS }}
    steps:
      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
      - name: Publish images for ARM builds on Docker Hub
        uses: appleboy/ssh-action@master
        env:
          REMOTE_DIR: ${{ needs.arm.outputs.remotepath }}
        with:
          host: ${{ secrets.SSH_ARM_HOST }}
          username: ubuntu
          key: ${{ secrets.SSH_ARM_PRIVATE_KEY }}
          fingerprint: ${{ secrets.SSH_ARM_FINGERPRINT }}
          script_stop: true
          envs: GITHUB_COMMIT,DOCKER_REPO,DOCKER_USER,DOCKER_PASS,REMOTE_DIR,GITHUB_REF_NAME
          script: bash ~/$REMOTE_DIR/docker-publish.sh "$GITHUB_COMMIT" "$DOCKER_REPO" "$DOCKER_USER" "$DOCKER_PASS" "$REMOTE_DIR" "$GITHUB_REF_NAME"


  clean-arm:
    name: Build / Cleanup
    needs:
      - arm
      - docker-arm
    if: ${{ always() && vars.SSH_ARM_ENABLED }}
    runs-on: ubuntu-22.04
    env:
      REMOTE_DIR: ${{ needs.arm.outputs.remotepath }}
    steps:
      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
      - name: Remove uploaded files from server
        uses: appleboy/ssh-action@master
        with:
          host: ${{ secrets.SSH_ARM_HOST }}
          username: ubuntu
          key: ${{ secrets.SSH_ARM_PRIVATE_KEY }}
          fingerprint: ${{ secrets.SSH_ARM_FINGERPRINT }}
          envs: REMOTE_DIR
          script: rm -rf $REMOTE_DIR