build-git-packages.yml

name: Build Development Packages
on:
  push:
    branches: [ main ]
    paths:
    - '*-git/**'
  schedule:
  - cron: 0 0 * * 0,3
  workflow_dispatch:

jobs:
  discover:
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.mk.outputs.matrix }}
    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 0 # needed for reliable diffs on push

      # On push: compute changed root dirs
      - name: Changed root dirs (push only)
        id: changed
        if: github.event_name == 'push'
        uses: tj-actions/changed-files@v47
        with:
          # Return directories instead of files. [page:3]
          dir_names: "true"
          # Only consider actual root subdirs by limiting depth to 1 (e.g. "apps/foo" -> "apps"). [page:3]
          dir_names_max_depth: "1"
          # Exclude '.' which means "repo root" when root files changed. [page:3]
          dir_names_exclude_current_dir: "true"
          # Make output JSON so it can be used as a matrix. [page:3]
          json: "true"
          escape_json: "false"
          files: '*-git/**'

      # On manual: enumerate all root dirs
      - name: All root dirs (manual only)
        id: all
        if: github.event_name != 'push'
        shell: bash
        run: |
          set -euo pipefail
          dirs="$(
            find . -mindepth 1 -maxdepth 1 -type d \
              -path './*-git' \
              -printf '%f\n' | sort -u \
            | jq -Rsc 'split("\n") | map(select(length>0))'
          )"
          echo "dirs=$dirs" >> "$GITHUB_OUTPUT"

      - name: Build matrix
        id: mk
        shell: bash
        run: |
          set -euo pipefail
          if [[ "${{ github.event_name }}" == "push" ]]; then
            # tj-actions outputs JSON array (because json=true, escape_json=false).
            dirs='${{ steps.changed.outputs.all_changed_files }}'
          else
            dirs='${{ steps.all.outputs.dirs }}'
          fi
          echo "matrix=$(jq -nc --argjson d "$dirs" '{dir: $d}')" >> "$GITHUB_OUTPUT"

  build:
    needs: discover
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix: ${{ fromJSON(needs.discover.outputs.matrix) }}
    steps:
      - uses: actions/checkout@v6
      - name: Build package
        uses: Alto1772/arch-pkgbuild-builder@94308635315e36ccdde50ddc2327e244419590da
        with:
          target: pkgbuild
          pkgname: ${{ matrix.dir }}
      - name: Upload package
        uses: actions/upload-artifact@v6
        with:
          name: ${{ matrix.dir }}
          path: ${{ matrix.dir }}/*.pkg.tar.zst