Add uncrustify github workflow (#659)

* Add uncrustify github workflow

* Fix exclusion pattern

* fix find expression

* exclude uncrustify files

* Uncrustify common demo and test files

* exlude white space checking files

* Fix EOL whitespace checker

* Remove whitespaces from EOL

* Fix space at EOL

* Fix find spaces at EOL

Co-authored-by: Archit Aggarwal <architag@amazon.com>

.github/workflows/ci.yml

@@ -24,6 +24,38 @@ jobs:
         run: |
           git-secrets --register-aws
           git-secrets --scan
+
+  formatting:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install Uncrustify
+        run: sudo apt-get install uncrustify
+      - name: Run Uncrustify
+        run: |
+          uncrustify --version
+          find FreeRTOS/Demo/Common FreeRTOS/Test \( -name ethernet -o -name drivers -o -path 'FreeRTOS/Test/CMock/CMock' \) -prune -false -o -name "*.[hc]" -exec uncrustify --check -c tools/uncrustify.cfg {} +
+      - name: Check For Trailing Whitespace
+        run: |
+          set +e
+          ERROR=0
+          find .  \( -name '.git' -o -path "./FreeRTOS/Test/CBMC/patches" -o -path "./FreeRTOS-Plus" -o -path "./FreeRTOS/Source"  -o  -path "./FreeRTOS/Test/CMock/CMock"  -o -path "./FreeRTOS/Demo" \) -prune -false -o -type f -a -name "*" -exec grep  -In -e "[[:blank:]]$" {} +
+          if [ "$?" = "0" ]; then
+            echo "Files have trailing whitespace."
+            ERROR=1
+          fi
+
+          find FreeRTOS/Demo/Common   \( -name "ethernet" \) -prune -o -false -o -type f -a -name "*" -exec grep --color=yes -In -e "[[:blank:]]$" {} +
+          if [ "$?" = "0" ]; then
+            echo "Files have trailing whitespace."
+            exit 1
+          else
+            if [ "$ERROR" -eq "1" ]; then
+              exit 1
+            fi
+            exit 0
+          fi
+
   doxygen:
     runs-on: ubuntu-20.04
     steps:
@@ -53,7 +85,7 @@ jobs:
       - name: Upload doxygen artifact if main branch
         if: success() && ( github.ref == 'refs/heads/main' || github.ref == 'refs/heads/release-candidate' )
         env:
-          GIT_SHA: 
+          GIT_SHA:
         uses: actions/upload-artifact@v2
         with:
           name: doxygen.zip-${{ github.sha }}