release.yml

name: Build & Package

permissions:
  contents: write
  packages: write

on:
  release:
    types: [created]

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        goos: [ linux, darwin ]
        goarch: [
          amd64,
#          arm64,
        ]
    steps:
      - uses: actions/checkout@v4
      - uses: wangyoucao577/go-release-action@v1
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          goos: ${{ matrix.goos }}
          goarch: ${{ matrix.goarch }}
          md5sum: OFF
          compress_assets: OFF
          ldflags: "-X main.version=${{ github.event.release.tag_name }} -X main.commit=${{ github.sha }}"

  package:
    runs-on: ubuntu-latest
    needs: build
    strategy:
      matrix:
        ARCHITECTURE: [
          amd64,
#          arm64,
        ]
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          path: "REPO"

      - name: Calculate some variables
        run: |
          (
            echo "GITHUB_REPO_NAME=pkgs-observer-agent"
            echo "VERSION=$(echo "${GITHUB_REF_NAME}" | sed -e 's/^v//')"
            echo "DESCRIPTION=A service to send package status information to https://pkgs.observer"
            echo "DEB_ARCHITECTURE=${{ matrix.ARCHITECTURE }}"
            echo "RPM_ARCHITECTURE=${{ matrix.ARCHITECTURE }}"
            echo "RELEASE=1"
            cd REPO
            echo "FIRST_YEAR=$(git log $(git rev-list --max-parents=0 HEAD) --date="format:%Y" --format="format:%ad")"
            echo "THIS_COMMIT_YEAR=$(git log HEAD -n1 --date="format:%Y" --format="format:%ad")"
            echo "THIS_COMMIT_DATE=$(git log HEAD -n1 --format="format:%as")"
            if [ "$FIRST_YEAR" = "$THIS_COMMIT_YEAR" ]
            then
              echo "YEAR_RANGE=$FIRST_YEAR"
            else
              echo "YEAR_RANGE=${FIRST_YEAR}-${THIS_COMMIT_YEAR}"
            fi
            cd ..
          ) >> $GITHUB_ENV

      - name: Make Directory Structure
        run: mkdir -p "SOURCES/${GITHUB_REPO_NAME}" SPECS release

      - name: Copy script files into SOURCES
        run: |
          cp -Rf REPO/[a-z]* "SOURCES/${GITHUB_REPO_NAME}"
          cp REPO/README.md "SOURCES/${GITHUB_REPO_NAME}/usr/share/doc/${GITHUB_REPO_NAME}/"
          if grep -lr '#TAG#' SOURCES
          then
            sed -i -e "s/#TAG#/${VERSION}/" $(grep -lr '#TAG#' SOURCES)
          fi
          if grep -lr '#TAG_DATE#' SOURCES
          then
            sed -i -e "s/#TAG_DATE#/${THIS_COMMIT_YEAR}/" $(grep -lr '#TAG_DATE#' SOURCES)
          fi
          if grep -lr '#DATE_RANGE#' SOURCES
          then
            sed -i -e "s/#DATE_RANGE#/${YEAR_RANGE}/" $(grep -lr '#DATE_RANGE#' SOURCES)
          fi
          if grep -lr '#MAINTAINER#' SOURCES
          then
            sed -i -e "s/#MAINTAINER#/${MAINTAINER:-Return Early, LLC <support@returnearly.net>}/" $(grep -lr '#MAINTAINER#' SOURCES)
          fi
          
      - name: Download Release Asset
        uses: dsaltares/fetch-gh-release-asset@master
        with:
          repo: "${{ github.repository }}"
          version: "${{ github.event.release.id }}"
          file: "pkgs.observer-agent-${{ github.event.release.tag_name }}-linux-${{ matrix.ARCHITECTURE }}"
          target: "SOURCES/pkgs-observer-agent/usr/sbin/pkgs-observer-agent"
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Set the permissions
        run: |
          chmod 755 "SOURCES/pkgs-observer-agent/usr/sbin/pkgs-observer-agent"

      - name: Create Control File
        # Fields from https://www.debian.org/doc/debian-policy/ch-controlfields.html#binary-package-control-files-debian-control
        run: |
          mkdir -p SOURCES/${GITHUB_REPO_NAME}/DEBIAN
          (
            echo "Package:      ${GITHUB_REPO_NAME}"
            echo "Version:      ${VERSION}"
            echo "Section:      ${SECTION:-misc}"
            echo "Priority:     ${PRIORITY:-optional}"
            echo "Architecture: ${DEB_ARCHITECTURE}"
            if [ -n "${DEPENDS}" ]
            then
              echo "Depends: ${DEPENDS}"
            fi
            echo "Maintainer: ${MAINTAINER:-Return Early, LLC <support@returnearly.net>}"
            echo "Description: ${DESCRIPTION}"
            if [ -n "${HOMEPAGE}" ]
            then
              echo "Homepage: ${HOMEPAGE}"
            fi
          ) | tee SOURCES/${GITHUB_REPO_NAME}/DEBIAN/control
          (
            echo "Files:"
            echo " *"
            echo "Copyright: ${YEAR_RANGE} ${MAINTAINER:-Return Early, LLC <support@returnearly.net>}"
            echo "License: MIT"
            echo ""
            echo "License: MIT"
            sed 's/^/ /' "SOURCES/${GITHUB_REPO_NAME}/usr/share/doc/${GITHUB_REPO_NAME}/LICENSE"
          ) | tee SOURCES/${GITHUB_REPO_NAME}/DEBIAN/copyright

      - name: Create Spec File
        run: PATH="REPO/.github/scripts:${PATH}" create_spec_file.sh

      - name: Build DEB Package
        run: dpkg-deb --build SOURCES/${GITHUB_REPO_NAME} "${{ env.GITHUB_REPO_NAME }}_${{ env.VERSION }}_${{ env.DEB_ARCHITECTURE }}.deb"

      - name: Confirm builds complete
        run: sudo install -m 644 -o runner -g runner $(find . -type f -name *.deb) release/

      - name: Upload packages to release
        uses: svenstaro/upload-release-action@v2
        with:
          repo_token: ${{ secrets.GITHUB_TOKEN }}
          file: release/*
          tag: ${{ github.ref }}
          overwrite: true
          file_glob: true