improve smoke diff output and make yarn smokes fail

Author: tatomyr

.github/workflows/smoke.yaml

@@ -92,9 +92,7 @@ jobs:
       - name: Clear Yarn Cache
         run: yarn cache clean
       - run: |
-          for i in {1..3}; do
-            bash ./__tests__/smoke/run-smoke.sh "yarn add ./redocly-cli.tgz" "yarn" && break || sleep 5
-          done
+          bash ./__tests__/smoke/run-smoke.sh "yarn add ./redocly-cli.tgz" "yarn"
 
   run-smoke--yarn--node-22--redoc:
     needs: prepare-smoke
@@ -110,9 +108,7 @@ jobs:
       - name: Clear Yarn Cache
         run: yarn cache clean
       - run: |
-          for i in {1..3}; do
-            bash ./__tests__/smoke/run-smoke.sh "yarn add redoc ./redocly-cli.tgz" "yarn" && break || sleep 5
-          done
+          bash ./__tests__/smoke/run-smoke.sh "yarn add redoc ./redocly-cli.tgz" "yarn"
 
   run-smoke--yarn--node-20:
     needs: prepare-smoke
@@ -128,9 +124,7 @@ jobs:
       - name: Clear Yarn Cache
         run: yarn cache clean
       - run: |
-          for i in {1..3}; do
-            bash ./__tests__/smoke/run-smoke.sh "yarn add ./redocly-cli.tgz" "yarn" && break || sleep 5
-          done
+          bash ./__tests__/smoke/run-smoke.sh "yarn add ./redocly-cli.tgz" "yarn"
 
   run-smoke--yarn--node-20--redoc:
     needs: prepare-smoke
@@ -146,9 +140,7 @@ jobs:
       - name: Clear Yarn Cache
         run: yarn cache clean
       - run: |
-          for i in {1..3}; do
-            bash ./__tests__/smoke/run-smoke.sh "yarn add redoc ./redocly-cli.tgz" "yarn" && break || sleep 5
-          done
+          bash ./__tests__/smoke/run-smoke.sh "yarn add redoc ./redocly-cli.tgz" "yarn"
 
   run-smoke--pnpm--node-22:
     needs: prepare-smoke

__tests__/smoke/run-smoke.sh

@@ -21,10 +21,10 @@ $2 redocly-respect
 
 # Check for broken styles when building docs (related issue: https://github.com/Redocly/redocly-cli/issues/1073)
 echo "Checking docs for issues..."
-diff pre-built/redoc.html redoc-static.html 
+diff pre-built/redoc.html redoc-static.html -u
 echo "✅ Docs built correctly."
 
 # Check for broken $refs (or other issues) in the split files, especially on Windows (it will fail on a difference)
 echo "Checking split files for issues..."
-diff -r pre-split output/split
+diff -r pre-split output/split -u
 echo "✅ Files split correctly."