This repository contains source files of docker image (and github action) for markdown files linting. Additionally we provides setting (rules) for the most useful cases, like changelog file linting.
All docker images always can be found on this page.
This image contains markdownlint-cli (node-js) and:
- Additional rules for
changelogfile linting (/lint/rules/changelog.js) - Configuration file for
changelogfile linting (it uses additional linting rules,/lint/config/changelog.yml)
Major image tag can be updated in any time, but all changes will be backwards compatible.
markdownlint-cli supports next options (more details can be found on project page):
Usage: markdownlint [options] <files|directories|globs>
Options:
-h, --help output usage information
-V, --version output the version number
-f, --fix fix basic errors (does not work with STDIN)
-s, --stdin read from STDIN (does not work with files)
-o, --output [outputFile] write issues to file (no console)
-c, --config [configFile] configuration file (JSON, JSONC, or YAML)
-i, --ignore [file|directory|glob] files to ignore/exclude
-r, --rules [file|directory|glob|package] custom rule filesSome linter execution options can be passed through environment variables (multiple variables usage are allowed):
| Environment variable | Interpretation |
|---|---|
INPUT_RULES=/foo.js |
markdownlint --rules /foo.js ... |
INPUT_CONFIG=/bar.yml |
markdownlint --config /bar.yml ... |
INPUT_FIX=true |
markdownlint --fix ... |
INPUT_OUTPUT=/foo |
markdownlint --output /foo ... |
INPUT_IGNORE=/bar |
markdownlint --ignore /bar ... |
For example, you can lint your CHANGELOG.md file using following command:
$ docker run --rm \
-v "$(pwd)/CHANGELOG.md:/CHANGELOG.md:ro" \
avtodev/markdown-lint:v1 \
--rules /lint/rules/changelog.js \
--config /lint/config/changelog.yml \
/CHANGELOG.mdor
$ docker run --rm \
-v "$(pwd)/CHANGELOG.md:/CHANGELOG.md:ro" \
-e INPUT_RULES=/lint/rules/changelog.js \
-e INPUT_CONFIG=/lint/config/changelog.yml \
avtodev/markdown-lint:v1 \
/CHANGELOG.mdjobs:
lint-changelog:
name: Lint changelog file
runs-on: ubuntu-latest
steps:
- name: Check out code
uses: actions/checkout@v2
- name: Lint changelog file
uses: docker://avtodev/markdown-lint:v1 # fastest way
with:
rules: '/lint/rules/changelog.js'
config: '/lint/config/changelog.yml'
args: './CHANGELOG.md'
ignore: './one_file.md ./another_file.md' # multiple files must be separated with single space
# Or using current repository as action:
- name: Lint changelog file
uses: avto-dev/markdown-lint@v1
with:
rules: '/lint/rules/changelog.js'
config: '/lint/config/changelog.yml'
args: './CHANGELOG.md'MIT. Use anywhere for your pleasure.
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