name: "CodeQL static analysis"

on:
  push:
  pull_request:
  schedule:
    - cron: '31 3 * * 1'  # Monday at 3h31 UTC

jobs:
  skip_duplicates:
    continue-on-error: true
    runs-on: ubuntu-latest
    outputs:
      should_skip: ${{ steps.skip_check.outputs.should_skip }}
    steps:
      - id: skip_check
        # pin to unreleased SHA so we can use 'same_content_newer'
        # see https://github.com/fkirc/skip-duplicate-actions/pull/112
        uses: fkirc/skip-duplicate-actions@98d1dc89f43a47f8e4fba8e1c1fb8d6c5fc515ee
        with:
          concurrent_skipping: 'same_content_newer'
          skip_after_successful_duplicate: 'true'
          paths_ignore: '["doc/**", "**/*.md", ".gitignore", "libxcrypt.spec.rpkg", ".packit.yaml", "rpkg.macros", "AUTHORS", "ChangeLog", "COPYING.LIB", "LICENSING", "NEWS", "README", "THANKS", "TODO"]'
          do_not_skip: '["workflow_dispatch", "schedule"]'

  CodeQL:
    needs: skip_duplicates
    if: ${{ needs.skip_duplicates.outputs.should_skip != 'true' }}

    runs-on: ubuntu-latest
    permissions:
      actions: read
      contents: read
      security-events: write

    steps:
    - name: Checkout repository
      uses: actions/checkout@v2

    - name: Initialize CodeQL
      uses: github/codeql-action/init@v1
      with:
        # CodeQL lumps C with C++.  Perl is not currently supported.
        languages: cpp, python

        # If you wish to specify custom queries, you can do so here or in a
        # config file.  By default, queries listed here will override any
        # specified in a config file.  Prefix the list here with "+" to use
        # these queries and those in the config file.
        #queries:
        # - ./path/to/local/query
        # - your-org/your-repo/queries@main

    - name: Versions of build tools
      id: build-tools
      run: ./build-aux/ci/ci-log-dependency-versions

    - name: Get nprocs
      run: echo "NPROCS=$((`nproc --all 2>/dev/null || sysctl -n hw.ncpu` * 2))" | tee $GITHUB_ENV

    - name: Cache bootstrap
      id: cache
      uses: actions/cache@v2
      with:
        path: |
          INSTALL
          Makefile.in
          aclocal.m4
          config.h.in
          configure
          autom4te.cache/**
          build-aux/m4/libtool.m4
          build-aux/m4/ltoptions.m4
          build-aux/m4/ltsugar.m4
          build-aux/m4/ltversion.m4
          build-aux/m4/lt~obsolete.m4
          build-aux/m4-autogen/**
        key: autoreconf-${{ steps.build-tools.outputs.autotools-ver }}-${{ hashFiles('autogen.sh', 'configure.ac', 'Makefile.am', 'build-aux/m4/*.m4', 'build-aux/m4-autogen/**') }}

    - name: Bootstrap
      if: steps.cache.outputs.cache-hit != 'true'
      run: ./autogen.sh

    - name: Configure
      run: ./configure --enable-obsolete-api --enable-hashes=all

    - name: Build
      run: |
        make -j${{ env.NPROCS }} all
        make -j${{ env.NPROCS }} test-programs

    - name: Perform CodeQL Analysis
      uses: github/codeql-action/analyze@v1

    - name: Detailed error logs
      if: failure()
      run: ./build-aux/ci/ci-log-logfiles
