add markdownlint to ci

.drone.yml

@@ -7,15 +7,6 @@ platform:
   arch: amd64
 
 steps:
-- name: spellcheck
-  image: node:lts-alpine
-  commands:
-  - npm install -g spellchecker-cli
-  - spellchecker --files 'exampleSite/content/**/*.md' 'README.md' -d .dictionary -p spell indefinite-article syntax-urls --no-suggestions
-  environment:
-    FORCE_COLOR: true
-    NPM_CONFIG_LOGLEVEL: error
-
 - name: assets
   image: node:lts
   commands:
@@ -118,6 +109,24 @@ concurrency:
   limit: 1
 
 steps:
+- name: markdownlint
+  image: node:lts-alpine
+  commands:
+  - npm install -g markdownlint-cli
+  - markdownlint 'exampleSite/content/**/*.md' 'README.md'
+  environment:
+    FORCE_COLOR: true
+    NPM_CONFIG_LOGLEVEL: error
+
+- name: spellcheck
+  image: node:lts-alpine
+  commands:
+  - npm install -g spellchecker-cli
+  - spellchecker --files 'exampleSite/content/**/*.md' 'README.md' -d .dictionary -p spell indefinite-article syntax-urls --no-suggestions
+  environment:
+    FORCE_COLOR: true
+    NPM_CONFIG_LOGLEVEL: error
+
 - name: assets
   image: byrnedo/alpine-curl
   commands:
@@ -142,11 +151,16 @@ steps:
       from_secret: s3_secret_access_key
     source: exampleSite/public/
     strip_prefix: exampleSite/public/
+  when:
+    ref:
+    - refs/heads/master
+    - refs/tags/**
 
 trigger:
   ref:
   - refs/heads/master
   - refs/tags/**
+  - refs/pull/**
 
 depends_on:
 - build
@@ -192,6 +206,6 @@ depends_on:
 
 ---
 kind: signature
-hmac: 1145f38b73b28a6a9e659bd19008fcdf24c808e22db91fc2768740bbf9e138e9
+hmac: 49898e6b496014772113f110dae80acca1f525f1ae0545669eba5ba468f7a4da
 
 ...

CHANGELOG.md

@@ -3,6 +3,7 @@
   * resfactor expand shortcode to use valid html
   * fix formatting of nested shortcodes markdown
 * INTERNAL
+  * add markdown linting to CI (markdownlint-cli)
   * add spellchecking to CI (spellcheck-cli)
   * add html/css validation to CI (nu.validator)
   * add page validation to CI (lighthouse-ci)

exampleSite/content/usage/code_blocks.md

@@ -1,17 +1,20 @@
 There are multiple ways to add code blocks. Most of them works out of the box only the Hugo shortcode `<highlight>` need some configuration to work properly.
 
 ## Inline code
+
 To display an inline shortcode use single quotes:
-```
+
+```plain
 `some code`
 ```
 
 **Example:** `some code`
 
 ## Code blocks
+
 Code blocks can be uses without language specification:
 
-````
+````markdown
 ```
 some code
 ```
@@ -19,13 +22,13 @@ some code
 
 **Example:**
 
-```
+```plain
 some code
 ```
 
 ... or if you need language specific syntax highlighting:
 
-````
+````markdown
 ```Shell
 # some code
 echo "Hello world"
@@ -45,22 +48,26 @@ Hugo has a build-in shortcode for syntax highlighting. To work properly with thi
 
 {{< tabs "uniqueid" >}}
 {{< tab "TOML" >}}
+
 ```TOML
 pygmentsUseClasses=true
 pygmentsCodeFences=true
 ```
+
 {{< /tab >}}
 {{< tab "YAML" >}}
+
 ```YAML
 pygmentsUseClasses: true
 pygmentsCodeFences: true
 ```
+
 {{< /tab >}}
 {{< /tabs >}}
 
 You can use it like every other shortcode:
 
-```Markdown
+```markdown
 {{</* highlight Shell "linenos=table" */>}}
 # some code
 echo "Hello World"
@@ -69,7 +76,9 @@ echo "Hello World"
 
 **Example:**
 
+<!-- markdownlint-disable -->
 {{< highlight Shell "linenos=table" >}}
 # some code
 echo "Hello World"
 {{< /highlight >}}
+<!-- markdownlint-enable -->

exampleSite/content/usage/color_schemes.md

@@ -2,6 +2,7 @@ If you want to customize the color scheme of the theme to give it your individua
 
 All necessary class names are listed below. If you miss some classes required for a color scheme you are very welcome to create an [Issue](https://github.com/xoxys/hugo-geekdoc/issues) or Pull Request. For some inspiration you can have a look at [https://www.color-hex.com/color-palettes/](https://www.color-hex.com/). The following listing use the _HC-primary_ color palette as an example:
 
+<!-- markdownlint-disable -->
 {{< highlight CSS "linenos=table" >}}
 /* default link color */
 a { color: #1c388e; }
@@ -30,6 +31,7 @@ a:visited { color: #73bfb8 }
 .gdoc-hint.warning { background: #fef5dc; border-color: #e4ba48; color: black; }
 .gdoc-hint.danger { background: #fae1db; border-color: #cf5f46; color: black; }
 {{< /highlight >}}
+<!-- markdownlint-enable -->
 
 And that is how the result will looks like. Happy customizing!