check-tsv.yml

name: Check TSV

# See: https://docs.github.com/en/free-pro-team@latest/actions/reference/events-that-trigger-workflows
on:
  push:
    paths:
      - ".github/workflows/check-tsv.yml"
      - "**.tsv"
  pull_request:
    paths:
      - ".github/workflows/check-tsv.yml"
      - "**.tsv"
  schedule:
    # Run every Tuesday at 8 AM UTC to catch breakage caused by changes to checkcsv
    - cron: "0 8 * * TUE"
  workflow_dispatch:
  repository_dispatch:

jobs:
  check:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install Go
        uses: actions/setup-go@v5
        with:
          # `actions/setup-go` only adds the `go install` target path to PATH when you specify a `go-version` input.
          go-version: ">=1.x"

      - name: Install checkcsv
        run: go install github.com/Clever/csvlint/cmd/csvlint@latest

      - name: Check TSV format
        run: |
          # No idea why this only works with quadruple escaping on the delimiter (specific to bash -c though).
          find . \
            -path './.git' -prune -or \
            \( -name '*.tsv' -and -type f \) \
            -print0 | \
              xargs \
                --null \
                --max-lines=1 \
                bash \
                  -c \
                    ' \
                      echo "Checking: $0";
                      csvlint \
                        --delimiter='\\\\t' \
                        "$0" \
                    '

  line-leading:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Check for leading whitespace on line
        run: |
          find . \
            -path './.git' -prune -or \
            \( -name '*.tsv' -and -type f \) \
            -exec \
              grep \
                --with-filename \
                --line-number \
                --binary-files=without-match \
                --regexp='^ ' \
                '{}' \
              \; \
            -exec \
              echo 'Leading whitespace found on line.' \; \
            -exec \
              false \
            '{}' +

  cell-leading:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Check for leading space in cells
        run: |
          find . \
            -path './.git' -prune -or \
            \( -name '*.tsv' -and -type f \) \
            -exec \
              grep \
                --with-filename \
                --line-number \
                --binary-files=without-match \
                --regexp=$'\t ' \
                '{}' \
              \; \
            -exec \
              echo 'Leading whitespace found in cell.' \; \
            -exec \
              false \
            '{}' +

  cell-trailing:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Check for trailing space in cells
        run: |
          find . \
            -path './.git' -prune -or \
            \( -name '*.tsv' -and -type f \) \
            -exec \
              grep \
                --with-filename \
                --line-number \
                --binary-files=without-match \
                --regexp=$' \t' \
                '{}' \
              \; \
            -exec \
              echo 'Trailing whitespace found in cell.' \; \
            -exec \
              false \
            '{}' +

  line-trailing:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Check for trailing whitespace on line
        run: |
          find . \
            -path './.git' -prune -or \
            \( -name '*.tsv' -and -type f \) \
            -exec \
              grep \
                --with-filename \
                --line-number \
                --binary-files=without-match \
                --regexp=' $' \
                '{}' \
              \; \
            -exec \
              echo 'Trailing whitespace found on line.' \; \
            -exec \
              false \
            '{}' +