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Add CI workflow to check Markdown files for problems
On every push and pull request that affects relevant files, and periodically, check the repository's Markdown files for problems: - Use markdownlint to check for common problems and formatting. - Use markdown-link-check to check for broken links. The Arduino tooling Markdown style is defined by the `.markdownlint.yml` file. In the event the repository contains externally maintained Markdown files, markdownlint can be configured to ignore them via a `.markdownlintignore` file: https://github.com/igorshubovych/markdownlint-cli#ignoring-files markdown-link-check is configured via the `.markdown-link-check.json` file: https://github.com/tcort/markdown-link-check#config-file-format
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‎.github/workflows/check-markdown-task.yml‎

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# Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-markdown-task.md
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name: Check Markdown
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env:
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# See: https://github.com/actions/setup-node/#readme
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NODE_VERSION: 16.x
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# See: https://docs.github.com/actions/using-workflows/events-that-trigger-workflows
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on:
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create:
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push:
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paths:
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- ".github/workflows/check-markdown-task.ya?ml"
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- ".markdown-link-check.json"
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- "package.json"
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- "package-lock.json"
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- "Taskfile.ya?ml"
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- "**/.markdownlint*"
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- "**.mdx?"
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- "**.mkdn"
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- "**.mdown"
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- "**.markdown"
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pull_request:
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paths:
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- ".github/workflows/check-markdown-task.ya?ml"
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- ".markdown-link-check.json"
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- "package.json"
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- "package-lock.json"
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- "Taskfile.ya?ml"
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- "**/.markdownlint*"
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- "**.mdx?"
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- "**.mkdn"
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- "**.mdown"
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- "**.markdown"
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schedule:
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# Run every Tuesday at 8 AM UTC to catch breakage caused by external changes.
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- cron: "0 8 * * TUE"
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workflow_dispatch:
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repository_dispatch:
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jobs:
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run-determination:
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runs-on: ubuntu-latest
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outputs:
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result: ${{ steps.determination.outputs.result }}
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steps:
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- name: Determine if the rest of the workflow should run
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id: determination
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run: |
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RELEASE_BRANCH_REGEX="refs/heads/[0-9]+.[0-9]+.x"
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# The `create` event trigger doesn't support `branches` filters, so it's necessary to use Bash instead.
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if [[
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"${{ github.event_name }}" != "create" ||
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"${{ github.ref }}" =~ $RELEASE_BRANCH_REGEX
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]]; then
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# Run the other jobs.
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RESULT="true"
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else
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# There is no need to run the other jobs.
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RESULT="false"
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fi
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echo "result=$RESULT" >> $GITHUB_OUTPUT
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lint:
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needs: run-determination
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if: needs.run-determination.outputs.result == 'true'
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runs-on: ubuntu-latest
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steps:
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- name: Checkout repository
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uses: actions/checkout@v3
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- name: Setup Node.js
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uses: actions/setup-node@v3
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with:
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node-version: ${{ env.NODE_VERSION }}
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- name: Initialize markdownlint-cli problem matcher
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uses: xt0rted/markdownlint-problem-matcher@v2
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- name: Install Task
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uses: arduino/setup-task@v1
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with:
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repo-token: ${{ secrets.GITHUB_TOKEN }}
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version: 3.x
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- name: Lint
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run: task markdown:lint
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links:
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needs: run-determination
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if: needs.run-determination.outputs.result == 'true'
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runs-on: ubuntu-latest
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steps:
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- name: Checkout repository
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uses: actions/checkout@v3
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- name: Setup Node.js
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uses: actions/setup-node@v3
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with:
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node-version: ${{ env.NODE_VERSION }}
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- name: Install Task
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uses: arduino/setup-task@v1
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with:
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repo-token: ${{ secrets.GITHUB_TOKEN }}
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version: 3.x
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- name: Check links
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run: task --silent markdown:check-links

‎.markdown-link-check.json‎

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{
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"httpHeaders": [
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{
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"urls": ["https://docs.github.com/"],
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"headers": {
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"Accept-Encoding": "gzip, deflate, br"
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}
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}
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],
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"retryOn429": true,
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"retryCount": 3,
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"aliveStatusCodes": [200, 206]
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}

‎.markdownlint.yml‎

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# Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-markdown/.markdownlint.yml
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# See: https://github.com/DavidAnson/markdownlint/blob/main/doc/Rules.md
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# The code style defined in this file is the official standardized style to be used in all Arduino projects and should
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# not be modified.
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# Note: Rules disabled solely because they are redundant to Prettier are marked with a "Prettier" comment.
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default: false
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MD001: false
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MD002: false
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MD003: false # Prettier
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MD004: false # Prettier
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MD005: false # Prettier
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MD006: false # Prettier
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MD007: false # Prettier
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MD008: false # Prettier
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MD009:
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br_spaces: 0
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strict: true
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list_item_empty_lines: false # Prettier
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MD010: false # Prettier
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MD011: true
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MD012: false # Prettier
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MD013: false
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MD014: false
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MD018: true
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MD019: false # Prettier
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MD020: true
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MD021: false # Prettier
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MD022: false # Prettier
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MD023: false # Prettier
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MD024: false
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MD025:
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level: 1
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front_matter_title: '^\s*"?title"?\s*[:=]'
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MD026: false
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MD027: false # Prettier
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MD028: false
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MD029:
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style: one
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MD030:
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ul_single: 1
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ol_single: 1
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ul_multi: 1
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ol_multi: 1
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MD031: false # Prettier
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MD032: false # Prettier
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MD033: false
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MD034: false
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MD035: false # Prettier
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MD036: false
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MD037: true
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MD038: true
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MD039: true
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MD040: false
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MD041: false
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MD042: true
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MD043: false
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MD044: false
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MD045: true
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MD046:
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style: fenced
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MD047: false # Prettier

‎.markdownlintignore‎

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# Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-markdown/.markdownlintignore
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.licenses/
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__pycache__/
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node_modules/

‎README.md‎

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[![Check Files status](https://github.com/arduino/compile-sketches/actions/workflows/check-files-task.yml/badge.svg)](https://github.com/arduino/compile-sketches/actions/workflows/check-files-task.yml)
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[![Check General Formatting status](https://github.com/arduino/compile-sketches/actions/workflows/check-general-formatting-task.yml/badge.svg)](https://github.com/arduino/compile-sketches/actions/workflows/check-general-formatting-task.yml)
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[![Check License status](https://github.com/arduino/compile-sketches/actions/workflows/check-license.yml/badge.svg)](https://github.com/arduino/compile-sketches/actions/workflows/check-license.ym
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[![Check Markdown status](https://github.com/arduino/compile-sketches/actions/workflows/check-markdown-task.yml/badge.svg)](https://github.com/arduino/compile-sketches/actions/workflows/check-markdown-task.yml)
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[![Check Python status](https://github.com/arduino/compile-sketches/actions/workflows/check-python-task.yml/badge.svg)](https://github.com/arduino/compile-sketches/actions/workflows/check-python-task.yml)
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[![Spell Check status](https://github.com/arduino/compile-sketches/actions/workflows/spell-check-task.yml/badge.svg)](https://github.com/arduino/compile-sketches/actions/workflows/spell-check-task.yml)
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[![Sync Labels status](https://github.com/arduino/compile-sketches/actions/workflows/sync-labels-npm.yml/badge.svg)](https://github.com/arduino/compile-sketches/actions/workflows/sync-labels-npm.yml)

‎Taskfile.yml‎

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- task: action:validate
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- task: general:check-formatting
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- task: general:check-spelling
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- task: markdown:check-links
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- task: markdown:lint
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- task: python:lint
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- task: python:test
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fix:
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desc: Make automated corrections to the project's files
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deps:
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- task: general:correct-spelling
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- task: markdown:fix
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- task: python:format
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# Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-action-metadata-task/Taskfile.yml
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-s "{{.ACTION_METADATA_SCHEMA_PATH}}" \
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-d "action.yml"
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docs:generate:
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desc: Create all generated documentation content
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# This is an "umbrella" task used to call any documentation generation processes the project has.
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# It can be left empty if there are none.
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# Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-files-task/Taskfile.yml
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general:check-filenames:
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desc: Check for non-portable filenames
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cmds:
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- poetry run codespell --write-changes
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# Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-markdown-task/Taskfile.yml
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markdown:check-links:
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desc: Check for broken links
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deps:
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- task: docs:generate
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- task: npm:install-deps
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cmds:
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- |
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if [[ "{{.OS}}" == "Windows_NT" ]]; then
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# npx --call uses the native shell, which makes it too difficult to use npx for this application on Windows,
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# so the Windows user is required to have markdown-link-check installed and in PATH.
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if ! which markdown-link-check &>/dev/null; then
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echo "markdown-link-check not found or not in PATH."
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echo "Please install: https://github.com/tcort/markdown-link-check#readme"
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exit 1
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fi
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# Default behavior of the task on Windows is to exit the task when the first broken link causes a non-zero
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# exit status, but it's better to check all links before exiting.
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set +o errexit
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STATUS=0
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# Using -regex instead of -name to avoid Task's behavior of globbing even when quoted on Windows
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# The odd method for escaping . in the regex is required for windows compatibility because mvdan.cc/sh gives
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# \ characters special treatment on Windows in an attempt to support them as path separators.
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for file in $(
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find . \
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-type d -name '.git' -prune -o \
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-type d -name '.licenses' -prune -o \
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-type d -name '__pycache__' -prune -o \
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-type d -name 'node_modules' -prune -o \
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-regex ".*[.]md" -print
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); do
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markdown-link-check \
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--quiet \
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--config "./.markdown-link-check.json" \
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"$file"
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STATUS=$(( $STATUS + $? ))
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done
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exit $STATUS
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else
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npx --package=markdown-link-check --call='
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STATUS=0
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for file in $(
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find . \
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-type d -name '.git' -prune -o \
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-type d -name '.licenses' -prune -o \
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-type d -name '__pycache__' -prune -o \
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-type d -name 'node_modules' -prune -o \
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-regex ".*[.]md" -print
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); do
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markdown-link-check \
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--quiet \
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--config "./.markdown-link-check.json" \
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"$file"
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STATUS=$(( $STATUS + $? ))
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done
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exit $STATUS
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'
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fi
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# Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-markdown-task/Taskfile.yml
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markdown:fix:
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desc: Automatically correct linting violations in Markdown files where possible
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deps:
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- task: npm:install-deps
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cmds:
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- npx markdownlint-cli --fix "**/*.md"
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# Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-markdown-task/Taskfile.yml
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markdown:lint:
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desc: Check for problems in Markdown files
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deps:
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- task: npm:install-deps
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cmds:
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- npx markdownlint-cli "**/*.md"
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# Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/npm-task/Taskfile.yml
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npm:install-deps:
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desc: Install dependencies managed by npm

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