[REVERT] Fall back to LGV of markdown-lint (- WIP PR #227 -)

Changes in file .github/workflows/markdown-lint.yml:
 - back to maintainable state hopefully 🙈

Author: reactive-firewall

.github/workflows/markdown-lint.yml

@@ -38,34 +38,26 @@ jobs:
 
       - name: Lint Workflow YAML
         if: ${{ success() }}
+        env:
+          YAML_ARGS: "${{ vars.YAML_ARGS }}"
         run: |
-          YAML_ARGS="${{ vars.YAML_ARGS }}"
-          if [[ "${YAML_ARGS}" =~ ^*[!a-zA-Z0-9\ \-\.]*$ ]]; then
-              ERR_MSG_STUB="Invalid YAML_ARGS: contains unauthorized characters!"
-              ERR_LOC="file=.github/workflows/markdown-lint.yml,line=42,endLine=43,"
-              printf "::error %s%s\n" "${ERR_LOC}" "title=VALIDATION_ERROR::ERROR ${ERR_MSG_STUB}"
-              exit 1
-          else
-              printf "::notice file=.github/workflows/markdown-lint.yml,%s %s\n" \
-                "line=53,endLine=53,title=Validation::Validating workflow with args:" \
-                "${YAML_ARGS}"
-              read -ra ARGS <<< "${YAML_ARGS}"
-              yamllint "${ARGS[@]}" .github/workflows/markdown-lint.yml
-          fi
+          printf "Validating workflow with args: %s\n" "${YAML_ARGS}"
+          yamllint ${YAML_ARGS} .github/workflows/markdown-lint.yml
 
       - name: Lint YAML config for markdown
         if: ${{ success() }}
+        env:
+          YAML_ARGS: "${{ vars.YAML_ARGS }}"
         run: |
-          YAML_ARGS="${{ vars.YAML_ARGS }}"
-          read -ra ARGS <<< "${YAML_ARGS}"
-          yamllint "${ARGS[@]}" .markdownlint.yaml
+          printf "Validating workflow with args: %s\n" "${YAML_ARGS}"
+          yamllint ${YAML_ARGS} .markdownlint.yaml
 
       - name: Install NPM Dependencies
         if: ${{ success() }}
         run: |
           # npm install
           ERR_MSG="NPM package installation failed"
-          ERR_LOC_1="file=.github/workflows/markdown-lint.yml,line=70,endLine=70"
+          ERR_LOC_1="file=.github/workflows/markdown-lint.yml,line=63,endLine=63"
           ERR_LOC_2="file=package.json,line=2,endLine=4"
           if ! NPM_ERROR=$(npm install 2>&1); then
           for LOC in "${ERR_LOC_1}" "${ERR_LOC_2}"; do