# Copyright 2022-2024, axodotdev
# SPDX-License-Identifier: MIT or Apache-2.0
#
# CI that:
#
# * checks for a Git Tag that looks like a release
# * builds artifacts with cargo-dist (archives, installers, hashes)
# * uploads those artifacts to temporary workflow zip
# * on success, uploads the artifacts to a GitHub Release
#
# Note that the GitHub Release will be created with a generated
# title/body based on your changelogs.

name: Release

permissions:
  contents: write

# This task will run whenever you workflow_dispatch with a tag that looks like a version
# like "1.0.0", "v0.1.0-prerelease.1", "my-app/0.1.0", "releases/v1.0.0", etc.
# Various formats will be parsed into a VERSION and an optional PACKAGE_NAME, where
# PACKAGE_NAME must be the name of a Cargo package in your workspace, and VERSION
# must be a Cargo-style SemVer Version (must have at least major.minor.patch).
#
# If PACKAGE_NAME is specified, then the announcement will be for that
# package (erroring out if it doesn't have the given version or isn't cargo-dist-able).
#
# If PACKAGE_NAME isn't specified, then the announcement will be for all
# (cargo-dist-able) packages in the workspace with that version (this mode is
# intended for workspaces with only one dist-able package, or with all dist-able
# packages versioned/released in lockstep).
#
# If you push multiple tags at once, separate instances of this workflow will
# spin up, creating an independent announcement for each one. However, GitHub
# will hard limit this to 3 tags per commit, as it will assume more tags is a
# mistake.
#
# If there's a prerelease-style suffix to the version, then the release(s)
# will be marked as a prerelease.
on:
  workflow_dispatch:
    inputs:
      tag:
        description: Release Tag
        required: true
        default: dry-run
        type: string

jobs:
  # Run 'cargo dist plan' (or host) to determine what tasks we need to do
  plan:
    runs-on: "ubuntu-20.04"
    outputs:
      val: ${{ steps.plan.outputs.manifest }}
      tag: ${{ (inputs.tag != 'dry-run' && inputs.tag) || '' }}
      tag-flag: ${{ inputs.tag && inputs.tag != 'dry-run' && format('--tag={0}', inputs.tag) || '' }}
      publishing: ${{ inputs.tag && inputs.tag != 'dry-run' }}
    env:
      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive
      - name: Install cargo-dist
        # we specify bash to get pipefail; it guards against the `curl` command
        # failing. otherwise `sh` won't catch that `curl` returned non-0
        shell: bash
        run: "curl --proto '=https' --tlsv1.2 -LsSf https://github.com/axodotdev/cargo-dist/releases/download/v0.17.0/cargo-dist-installer.sh | sh"
      - name: Cache cargo-dist
        uses: actions/upload-artifact@v4
        with:
          name: cargo-dist-cache
          path: ~/.cargo/bin/cargo-dist
      # sure would be cool if github gave us proper conditionals...
      # so here's a doubly-nested ternary-via-truthiness to try to provide the best possible
      # functionality based on whether this is a pull_request, and whether it's from a fork.
      # (PRs run on the *source* but secrets are usually on the *target* -- that's *good*
      # but also really annoying to build CI around when it needs secrets to work right.)
      - id: plan
        run: |
          cargo dist ${{ (inputs.tag && inputs.tag != 'dry-run' && format('host --steps=create --tag={0}', inputs.tag)) || 'plan' }} --output-format=json > plan-dist-manifest.json
          echo "cargo dist ran successfully"
          cat plan-dist-manifest.json
          echo "manifest=$(jq -c "." plan-dist-manifest.json)" >> "$GITHUB_OUTPUT"
      - name: "Upload dist-manifest.json"
        uses: actions/upload-artifact@v4
        with:
          name: artifacts-plan-dist-manifest
          path: plan-dist-manifest.json

  custom-build-binaries:
    needs:
      - plan
    if: ${{ needs.plan.outputs.publishing == 'true' || fromJson(needs.plan.outputs.val).ci.github.pr_run_mode == 'upload' || inputs.tag == 'dry-run' }}
    uses: ./.github/workflows/build-binaries.yml
    with:
      plan: ${{ needs.plan.outputs.val }}
    secrets: inherit

  custom-build-docker:
    needs:
      - plan
    if: ${{ needs.plan.outputs.publishing == 'true' || fromJson(needs.plan.outputs.val).ci.github.pr_run_mode == 'upload' || inputs.tag == 'dry-run' }}
    uses: ./.github/workflows/build-docker.yml
    with:
      plan: ${{ needs.plan.outputs.val }}
    secrets: inherit
    permissions:
      packages: write
      contents: read

  # Build and package all the platform-agnostic(ish) things
  build-global-artifacts:
    needs:
      - plan
      - custom-build-binaries
      - custom-build-docker
    runs-on: "ubuntu-20.04"
    env:
      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      BUILD_MANIFEST_NAME: target/distrib/global-dist-manifest.json
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive
      - name: Install cached cargo-dist
        uses: actions/download-artifact@v4
        with:
          name: cargo-dist-cache
          path: ~/.cargo/bin/
      - run: chmod +x ~/.cargo/bin/cargo-dist
      # Get all the local artifacts for the global tasks to use (for e.g. checksums)
      - name: Fetch local artifacts
        uses: actions/download-artifact@v4
        with:
          pattern: artifacts-*
          path: target/distrib/
          merge-multiple: true
      - id: cargo-dist
        shell: bash
        run: |
          cargo dist build ${{ needs.plan.outputs.tag-flag }} --output-format=json "--artifacts=global" > dist-manifest.json
          echo "cargo dist ran successfully"

          # Parse out what we just built and upload it to scratch storage
          echo "paths<<EOF" >> "$GITHUB_OUTPUT"
          jq --raw-output ".upload_files[]" dist-manifest.json >> "$GITHUB_OUTPUT"
          echo "EOF" >> "$GITHUB_OUTPUT"

          cp dist-manifest.json "$BUILD_MANIFEST_NAME"
      - name: "Upload artifacts"
        uses: actions/upload-artifact@v4
        with:
          name: artifacts-build-global
          path: |
            ${{ steps.cargo-dist.outputs.paths }}
            ${{ env.BUILD_MANIFEST_NAME }}
  # Determines if we should publish/announce
  host:
    needs:
      - plan
      - custom-build-binaries
      - custom-build-docker
      - build-global-artifacts
    # Only run if we're "publishing", and only if local and global didn't fail (skipped is fine)
    if: ${{ always() && needs.plan.outputs.publishing == 'true' && (needs.build-global-artifacts.result == 'skipped' || needs.build-global-artifacts.result == 'success') && (needs.custom-build-binaries.result == 'skipped' || needs.custom-build-binaries.result == 'success') && (needs.custom-build-docker.result == 'skipped' || needs.custom-build-docker.result == 'success') }}
    env:
      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    runs-on: "ubuntu-20.04"
    outputs:
      val: ${{ steps.host.outputs.manifest }}
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive
      - name: Install cached cargo-dist
        uses: actions/download-artifact@v4
        with:
          name: cargo-dist-cache
          path: ~/.cargo/bin/
      - run: chmod +x ~/.cargo/bin/cargo-dist
      # Fetch artifacts from scratch-storage
      - name: Fetch artifacts
        uses: actions/download-artifact@v4
        with:
          pattern: artifacts-*
          path: target/distrib/
          merge-multiple: true
      # This is a harmless no-op for GitHub Releases, hosting for that happens in "announce"
      - id: host
        shell: bash
        run: |
          cargo dist host ${{ needs.plan.outputs.tag-flag }} --steps=upload --steps=release --output-format=json > dist-manifest.json
          echo "artifacts uploaded and released successfully"
          cat dist-manifest.json
          echo "manifest=$(jq -c "." dist-manifest.json)" >> "$GITHUB_OUTPUT"
      - name: "Upload dist-manifest.json"
        uses: actions/upload-artifact@v4
        with:
          # Overwrite the previous copy
          name: artifacts-dist-manifest
          path: dist-manifest.json

  custom-publish-pypi:
    needs:
      - plan
      - host
    if: ${{ !fromJson(needs.plan.outputs.val).announcement_is_prerelease || fromJson(needs.plan.outputs.val).publish_prereleases }}
    uses: ./.github/workflows/publish-pypi.yml
    with:
      plan: ${{ needs.plan.outputs.val }}
    secrets: inherit
    # publish jobs get escalated permissions
    permissions:
      id-token: write
      packages: write

  # Create a GitHub Release while uploading all files to it
  announce:
    needs:
      - plan
      - host
      - custom-publish-pypi
    # use "always() && ..." to allow us to wait for all publish jobs while
    # still allowing individual publish jobs to skip themselves (for prereleases).
    # "host" however must run to completion, no skipping allowed!
    if: ${{ always() && needs.host.result == 'success' && (needs.custom-publish-pypi.result == 'skipped' || needs.custom-publish-pypi.result == 'success') }}
    runs-on: "ubuntu-20.04"
    env:
      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive
      # Create a GitHub Release while uploading all files to it
      - name: "Download GitHub Artifacts"
        uses: actions/download-artifact@v4
        with:
          pattern: artifacts-*
          path: artifacts
          merge-multiple: true
      - name: Cleanup
        run: |
          # Remove the granular manifests
          rm -f artifacts/*-dist-manifest.json
      - name: Create GitHub Release
        env:
          PRERELEASE_FLAG: "${{ fromJson(needs.host.outputs.val).announcement_is_prerelease && '--prerelease' || '' }}"
          ANNOUNCEMENT_TITLE: "${{ fromJson(needs.host.outputs.val).announcement_title }}"
          ANNOUNCEMENT_BODY: "${{ fromJson(needs.host.outputs.val).announcement_github_body }}"
          RELEASE_COMMIT: "${{ github.sha }}"
        run: |
          # Write and read notes from a file to avoid quoting breaking things
          echo "$ANNOUNCEMENT_BODY" > $RUNNER_TEMP/notes.txt

          gh release create "${{ needs.plan.outputs.tag }}" --target "$RELEASE_COMMIT" $PRERELEASE_FLAG --title "$ANNOUNCEMENT_TITLE" --notes-file "$RUNNER_TEMP/notes.txt" artifacts/*
