Fix error msg printing

.github/workflows/main.yml

@@ -32,7 +32,7 @@ jobs:
 
       - name: Show diff if Prettier fails
         if: ${{ failure() }}
-        run: yarn diff:mdx | awk '/diff/ {found=1} found {print}'
+        run: yarn diff:mdx && echo ::error:: Prettier static analysis failed && exit 1
 
       - name: Copy Files From Stellar CLI
         run: yarn stellar-cli:build

package.json

@@ -21,9 +21,10 @@
     "write-translations": "docusaurus write-translations",
     "write-heading-ids": "docusaurus write-heading-ids",
     "format:mdx": "prettier --config .prettierrc.js --write \"{docs,src/pages,platforms,meeting-notes}/**/*.{md,mdx}\"",
+    "ci-format:mdx": "prettier --config .prettierrc.js --write --log-level silent \"{docs,src/pages,platforms,meeting-notes}/**/*.{md,mdx}\"",
     "check:mdx": "prettier --config .prettierrc.js -c \"{docs,src/pages,platforms,meeting-notes}/**/*.{md,mdx}\"",
     "ci:mdx": "prettier --config .prettierrc.js \"{docs,src/pages,platforms,meeting-notes}/**/*.{md,mdx}\" -l --no-editorconfig",
-    "diff:mdx": "yarn format:mdx && git diff -- . ':(exclude)package-lock.json' ':(exclude)package.json' ':(exclude)yarn.lock' | cat",
+    "diff:mdx": "yarn ci-format:mdx && git diff -- . ':(exclude)package-lock.json' ':(exclude)package.json' ':(exclude)yarn.lock' | awk \"/diff --git/ {found=1} found {print}\"",
     "lint:fix": "eslint \"src/**/*.{js,jsx,ts,tsx}\" --fix",
     "lint": "eslint \"src/**/*.{js,jsx,ts,tsx}\"",
     "prepare": "husky",