# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
#
# SPDX-License-Identifier: curl

# This workflow contains tests that operate on documentation files only. Some
# checks modify the source so they cannot be combined into a single job.

name: 'Docs'

'on':
  push:
    branches:
      - master
      - '*/ci'
    paths:
      - '.github/workflows/checkdocs.yml'
      - '.github/scripts/mdlinkcheck'
      - '/scripts/**'
      - '**.md'
      - 'docs/*'
  pull_request:
    branches:
      - master
    paths:
      - '.github/workflows/checkdocs.yml'
      - '.github/scripts/**'
      - '.github/scripts/mdlinkcheck'
      - '**.md'
      - 'docs/*'

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
  cancel-in-progress: true

permissions: {}

jobs:
  #  proselint:
  #    name: 'proselint'
  #    runs-on: ubuntu-latest
  #    steps:
  #      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
  #        with:
  #          persist-credentials: false
  #
  #      - name: 'install prereqs'
  #        run: |
  #          sudo rm -f /etc/apt/sources.list.d/microsoft-prod.list
  #          sudo apt-get -o Dpkg::Use-Pty=0 update
  #          sudo rm -f /var/lib/man-db/auto-update
  #          sudo apt-get -o Dpkg::Use-Pty=0 install python3-proselint
  #
  #      # config file help: https://github.com/amperser/proselint/
  #      - name: 'create proselint config'
  #        run: |
  #          cat <<JSON > ~/.proselintrc.json
  #          {
  #            "checks": {
  #              "typography.diacritical_marks": false,
  #              "typography.symbols": false,
  #              "annotations.misc": false,
  #              "security.password": false,
  #              "misc.annotations": false
  #            }
  #          }
  #          JSON
  #
  #      - name: 'trim headers off all *.md files'
  #        run: git ls-files -z '*.md' | xargs -0 -n1 .github/scripts/trimmarkdownheader.pl
  #
  #      - name: 'check prose'
  #        run: git ls-files -z '*.md' | grep -Evz 'CHECKSRC\.md|DISTROS\.md|curl_mprintf\.md|CURLOPT_INTERFACE\.md|interface\.md' | xargs -0 proselint -- README
  #
  #      # This is for CHECKSRC and files with aggressive exclamation mark needs
  #      - name: 'create second proselint config'
  #        run: |
  #          cat <<JSON > ~/.proselintrc.json
  #          {
  #            "checks": {
  #              "typography.diacritical_marks": false,
  #              "typography.symbols": false,
  #              "typography.exclamation": false,
  #              "lexical_illusions.misc": false,
  #              "annotations.misc": false
  #            }
  #          }
  #          JSON
  #
  #      - name: 'check special prose'
  #        run: proselint docs/internals/CHECKSRC.md docs/libcurl/curl_mprintf.md docs/libcurl/opts/CURLOPT_INTERFACE.md docs/cmdline-opts/interface.md

  linkcheck:
    name: 'linkcheck'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
        with:
          persist-credentials: false

      - name: 'mdlinkcheck'
        run: ./scripts/mdlinkcheck

  pyspelling:
    name: 'pyspelling'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
        with:
          persist-credentials: false

      - name: 'trim all *.md files in docs/'
        run: |
          # shellcheck disable=SC2046
          .github/scripts/cleancmd.pl $(find docs -name '*.md')

      - name: 'install'
        run: |
          sudo rm -f /etc/apt/sources.list.d/microsoft-prod.list
          sudo apt-get -o Dpkg::Use-Pty=0 update
          sudo rm -f /var/lib/man-db/auto-update
          sudo apt-get -o Dpkg::Use-Pty=0 install aspell aspell-en
          python3 -m venv ~/venv
          ~/venv/bin/pip --disable-pip-version-check --no-input --no-cache-dir install --progress-bar off --prefer-binary -r .github/scripts/requirements-docs.txt

      - name: 'check spelling'
        run: |
          source ~/venv/bin/activate
          # setup the custom wordlist
          grep -v '^#' .github/scripts/pyspelling.words > wordlist.txt
          aspell --version
          pyspelling --version
          pyspelling --verbose --jobs 5 --config .github/scripts/pyspelling.yaml

  badwords-synopsis:
    name: 'badwords, synopsis'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
        with:
          persist-credentials: false

      - name: 'badwords'
        run: |
          # shellcheck disable=SC2046
          .github/scripts/badwords.pl < .github/scripts/badwords.txt $(git ls-files '**.md') docs/TODO docs/KNOWN_BUGS packages/OS400/README.OS400

      - name: 'verify synopsis'
        run: .github/scripts/verify-synopsis.pl docs/libcurl/curl*.md

  man-examples:
    name: 'man-examples'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
        with:
          persist-credentials: false

      - name: 'verify examples'
        run: .github/scripts/verify-examples.pl docs/libcurl/curl*.md docs/libcurl/opts/*.md

  miscchecks:
    name: 'spacecheck'
    runs-on: ubuntu-24.04-arm
    timeout-minutes: 5
    steps:
      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
        with:
          persist-credentials: false

      - name: 'spacecheck'
        run: .github/scripts/spacecheck.pl