name: Package updates

on:
  pull_request:
    paths:
    - 'packages/**'
    - 'root-packages/**'
    - 'x11-packages/**'
  schedule:
    - cron: "0 */6 * * *"
  workflow_dispatch:
    inputs:
      packages:
        description: "A space-seperated list of packages to update. Defaults to all packages"
        default: "@all"
        required: false

permissions: {} # none

jobs:
  update-packages-dry-run:
    permissions:
      contents: read
    if: github.event_name == 'pull_request' && github.repository == 'termux/termux-packages'
    runs-on: ubuntu-latest
    steps:
      - name: Clone repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ secrets.GITHUB_TOKEN }}
      - name: Gather build summary
        run: |
          BASE_COMMIT=$(jq --raw-output .pull_request.base.sha "$GITHUB_EVENT_PATH")
          OLD_COMMIT=$(jq --raw-output .commits[0].id "$GITHUB_EVENT_PATH")
          HEAD_COMMIT=$(jq --raw-output .commits[-1].id "$GITHUB_EVENT_PATH")
          if [ "$BASE_COMMIT" = "null" ]; then
            if [ "$OLD_COMMIT" = "$HEAD_COMMIT" ]; then
              # Single-commit push.
              echo "Processing commit: ${HEAD_COMMIT}"
              CHANGED_FILES=$(git diff-tree --no-commit-id --name-only -r "${HEAD_COMMIT}")
            else
              # Multi-commit push.
              OLD_COMMIT="${OLD_COMMIT}~1"
              echo "Processing commit range: ${OLD_COMMIT}..${HEAD_COMMIT}"
              CHANGED_FILES=$(git diff-tree --no-commit-id --name-only -r "${OLD_COMMIT}" "${HEAD_COMMIT}")
            fi
          else
            # Pull requests.
            echo "Processing pull request #$(jq --raw-output .pull_request.number "$GITHUB_EVENT_PATH"): ${BASE_COMMIT}..HEAD"
            CHANGED_FILES=$(git diff-tree --no-commit-id --name-only -r "${BASE_COMMIT}" "HEAD")
          fi
          for repo_path in $(jq --raw-output 'del(.pkg_format) | keys | .[]' repo.json); do
            repo=$(jq --raw-output '.["'${repo_path}'"].name' repo.json)
            # Parse changed files and identify new packages and deleted packages.
            # Create lists of those packages that will be passed to upload job for
            # further processing.
            while read -r file; do
              if ! [[ $file == ${repo_path}/* ]]; then
                # This file does not belong to a package, so ignore it
                continue
              fi
              if [[ $file =~ ^${repo_path}/([.a-z0-9+-]*)/([.a-z0-9+-]*).subpackage.sh$ ]]; then
                # A subpackage was modified, check if it was deleted or just updated
                pkg=${BASH_REMATCH[1]}
                subpkg=${BASH_REMATCH[2]}
                if [ ! -f "${repo_path}/${pkg}/${subpkg}.subpackage.sh" ]; then
                  echo "$subpkg" >> ./deleted_${repo}_packages.txt
                fi
              elif [[ $file =~ ^${repo_path}/([.a-z0-9+-]*)/.*$ ]]; then
                # package, check if it was deleted or updated
                pkg=${BASH_REMATCH[1]}
                if [ -d "${repo_path}/${pkg}" ]; then
                  echo "$pkg" >> ./built_${repo}_packages.txt
                  # If there are subpackages we want to create a list of those
                  # as well
                  for file in $(find "${repo_path}/${pkg}/" -maxdepth 1 -type f -name \*.subpackage.sh | sort); do
                    echo "$(basename "${file%%.subpackage.sh}")" >> ./built_${repo}_subpackages.txt
                  done
                else
                  echo "$pkg" >> ./deleted_${repo}_packages
                fi
              fi
            done<<<${CHANGED_FILES}
          done
          for repo in $(jq --raw-output 'del(.pkg_format) | .[].name' repo.json); do
            # Fix so that lists do not contain duplicates
            if [ -f ./built_${repo}_packages.txt ]; then
              sort ./built_${repo}_packages.txt | uniq > ./built_${repo}_packages.txt.tmp
              mv ./built_${repo}_packages.txt.tmp ./built_${repo}_packages.txt
            fi
            if [ -f ./built_${repo}_subpackages.txt ]; then
              sort ./built_${repo}_subpackages.txt | uniq > ./built_${repo}_subpackages.txt.tmp
              mv ./built_${repo}_subpackages.txt.tmp ./built_${repo}_subpackages.txt
            fi
            if [ -f ./deleted_${repo}_packages.txt ]; then
              sort ./deleted_${repo}_packages.txt | uniq > ./deleted_${repo}_packages.txt.tmp
              mv ./deleted_${repo}_packages.txt.tmp ./deleted_${repo}_packages.txt
            fi
          done
      - name: Process package updates
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          BUILD_PACKAGES: "false"
          GIT_COMMIT_PACKAGES: "false"
          GIT_PUSH_PACKAGES: "false"
        run: |
          declare -a packages
          for repo_path in $(jq --raw-output 'del(.pkg_format) | keys | .[]' repo.json); do
            repo=$(jq --raw-output '.["'${repo_path}'"].name' repo.json)
            if [ -f ./built_${repo}_packages.txt ]; then
              packages="$packages $(cat ./built_${repo}_packages.txt | tr '\n' ' ')"
            fi
          done
          if [ -n "$packages" ]; then
            ./scripts/bin/update-packages $packages
          fi

  update-packages:
    permissions:
      issues: write
      contents: write
    if: github.event_name != 'pull_request' && github.repository == 'termux/termux-packages'
    runs-on: ubuntu-latest
    steps:
      - name: Clone repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ secrets.TERMUXBOT2_TOKEN }}
      - name: Free additional disk space
        run: |
          sudo apt purge -yq $(dpkg -l | grep '^ii' | awk '{ print $2 }' | grep -P '(aspnetcore|cabal-|dotnet-|ghc-|libmono|mongodb-|mysql-|php)') \
            firefox google-chrome-stable google-cloud-cli microsoft-edge-stable mono-devel mono-runtime-common monodoc-manual powershell ruby
          sudo apt autoremove -yq
          sudo apt clean
          sudo rm -fr /opt/ghc /opt/hostedtoolcache /usr/lib/node_modules /usr/local/share/boost /usr/share/dotnet /usr/share/swift
      - name: Process package updates
        env:
          GITHUB_TOKEN: ${{ secrets.TERMUXBOT2_TOKEN }}
          BUILD_PACKAGES: "true"
          GIT_COMMIT_PACKAGES: "true"
          GIT_PUSH_PACKAGES: "true"
        run: |
          git config --global user.name "Termux Github Actions"
          git config --global user.email "contact@termux.dev"

          if [ "${{ github.event_name }}" == "workflow_dispatch" ]; then
            ./scripts/bin/update-packages ${{ github.event.inputs.packages }}
          else
            ./scripts/bin/update-packages "@all"
          fi