rpm.yml

name: Fedora RPM

on:
  pull_request:
  push:
    branches:
      - main
      - master
  schedule:
    - cron: '17 3 * * *'
  workflow_dispatch:
    inputs:
      force_build:
        description: Force a build even when no commits were added since the last RPM release
        required: false
        default: true
        type: boolean

permissions:
  contents: write

env:
  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true

jobs:
  rpm-ci:
    if: github.event_name == 'push' || github.event_name == 'pull_request'
    runs-on: ubuntu-latest
    container:
      image: fedora:41

    steps:
      - name: Install build dependencies
        run: |
          dnf -y update
          dnf -y install \
            git \
            rpm-build \
            rpmdevtools \
            cargo \
            rust \

      - name: Checkout repository
        uses: actions/checkout@v5

      - name: Mark workspace as a safe Git directory
        run: git config --global --add safe.directory "${GITHUB_WORKSPACE}"

      - name: Build SRPM/RPM
        run: |
          set -euo pipefail

          version="$(awk -F '"' '/^version = / {print $2; exit}' Cargo.toml)"
          topdir="$(rpm --eval '%{_topdir}')"

          rpmdev-setuptree

          archive_dir="rustyuki-${version}"
          tarball="${archive_dir}.tar.gz"

          git archive --format=tar.gz --prefix="${archive_dir}/" -o "${topdir}/SOURCES/${tarball}" HEAD
          cp .github/rpm/rustyuki.spec "${topdir}/SPECS/rustyuki.spec"
          sed -i "s/^Version:.*/Version:        ${version}/" "${topdir}/SPECS/rustyuki.spec"

          rpmbuild -ba "${topdir}/SPECS/rustyuki.spec"

          mkdir -p dist
          find "${topdir}/RPMS" -type f -name '*.rpm' -exec cp {} dist/ \;
          find "${topdir}/SRPMS" -type f -name '*.src.rpm' -exec cp {} dist/ \;

      - name: Upload RPM artifacts
        uses: actions/upload-artifact@v5
        with:
          name: fedora-rpm-ci-${{ github.run_number }}
          path: dist/*
          if-no-files-found: error

  rpm-release:
    if: github.event_name == 'schedule' || github.event_name == 'workflow_dispatch'
    runs-on: ubuntu-latest
    container:
      image: fedora:41

    steps:
      - name: Install build dependencies
        run: |
          dnf -y update
          dnf -y install \
            git \
            rpm-build \
            rpmdevtools \
            cargo \
            rust \
            gh \
            jq

      - name: Checkout repository
        uses: actions/checkout@v5
        with:
          fetch-depth: 0

      - name: Mark workspace as a safe Git directory
        run: git config --global --add safe.directory "${GITHUB_WORKSPACE}"

      - name: Decide whether a build is needed
        id: plan
        env:
          GH_TOKEN: ${{ github.token }}
          EVENT_NAME: ${{ github.event_name }}
          FORCE_BUILD: ${{ github.event.inputs.force_build || 'false' }}
        run: |
          set -euo pipefail

          latest_tag="$(gh api repos/${GITHUB_REPOSITORY}/releases --jq '[.[] | select(.tag_name | startswith("rpm-nightly-"))][0].tag_name' || true)"
          head_sha="$(git rev-parse HEAD)"

          should_build=false
          reason=""

          if [[ "${EVENT_NAME}" == "workflow_dispatch" && "${FORCE_BUILD}" == "true" ]]; then
            should_build=true
            reason="manual force build"
          elif [[ -z "${latest_tag}" || "${latest_tag}" == "null" ]]; then
            should_build=true
            reason="no previous rpm-nightly release"
          else
            last_sha="$(git rev-list -n 1 "${latest_tag}")"
            if [[ "${head_sha}" != "${last_sha}" ]]; then
              should_build=true
              reason="new commits since ${latest_tag}"
            else
              reason="no new commits since ${latest_tag}"
            fi
          fi

          release_tag="rpm-nightly-$(date -u +%Y%m%d)"

          {
            echo "latest_tag=${latest_tag}"
            echo "head_sha=${head_sha}"
            echo "should_build=${should_build}"
            echo "reason=${reason}"
            echo "release_tag=${release_tag}"
          } >> "$GITHUB_OUTPUT"

          echo "Build decision: ${should_build} (${reason})"

      - name: Stop early when there are no new commits
        if: steps.plan.outputs.should_build != 'true'
        run: |
          echo "Skipping build: ${{ steps.plan.outputs.reason }}"

      - name: Build SRPM/RPM using Fedora rpm macros
        if: steps.plan.outputs.should_build == 'true'
        run: |
          set -euo pipefail

          version="$(awk -F '"' '/^version = / {print $2; exit}' Cargo.toml)"
          topdir="$(rpm --eval '%{_topdir}')"

          rpmdev-setuptree

          archive_dir="rustyuki-${version}"
          tarball="${archive_dir}.tar.gz"

          git archive --format=tar.gz --prefix="${archive_dir}/" -o "${topdir}/SOURCES/${tarball}" HEAD
          cp .github/rpm/rustyuki.spec "${topdir}/SPECS/rustyuki.spec"

          sed -i "s/^Version:.*/Version:        ${version}/" "${topdir}/SPECS/rustyuki.spec"

          rpmbuild -ba "${topdir}/SPECS/rustyuki.spec"

          mkdir -p dist
          find "${topdir}/RPMS" -type f -name '*.rpm' -exec cp {} dist/ \;
          find "${topdir}/SRPMS" -type f -name '*.src.rpm' -exec cp {} dist/ \;

      - name: Upload RPM artifacts
        if: steps.plan.outputs.should_build == 'true'
        uses: actions/upload-artifact@v5
        with:
          name: fedora-rpm-${{ steps.plan.outputs.release_tag }}
          path: dist/*
          if-no-files-found: error

      - name: Create GitHub release for RPMs
        if: steps.plan.outputs.should_build == 'true'
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ steps.plan.outputs.release_tag }}
          target_commitish: ${{ steps.plan.outputs.head_sha }}
          name: Fedora RPM build ${{ steps.plan.outputs.release_tag }}
          generate_release_notes: true
          files: dist/*
          body: |
            Automated Fedora RPM build.

            - Trigger: `${{ github.event_name }}`
            - Reason: `${{ steps.plan.outputs.reason }}`
            - Commit: `${{ steps.plan.outputs.head_sha }}`
            - Previous RPM tag: `${{ steps.plan.outputs.latest_tag || 'none' }}`