fixed Github actions CI workflow

to mimic changes in C++ repo

.github/workflows/awesome_workflow.yml

@@ -1,23 +1,22 @@
 name: Awesome CI Workflow
 
-on: [push]
+on: [push, pull_request]
 #   push:
 #     branches: [ master ]
 #   pull_request:
 #     branches: [ master ]
 
 jobs:
-  code_format:
+  MainSequence:
     name: Code Formatter
     runs-on: ubuntu-latest
     steps:
+      - uses: actions/checkout@v1 # v2 is broken for git diff
+      - uses: actions/setup-python@v2
       - name: requirements
         run: | 
           sudo apt -qq -y update
           sudo apt -qq install clang-format 
-      - uses: actions/checkout@master
-        with:
-          submodules: true
       - name: Setup Git Specs
         run: |
           git config --global user.name github-actions
@@ -38,7 +37,7 @@ jobs:
             if [ ${fname} != ${new_fname} ]
             then
               echo "      ${fname} --> ${new_fname}"
-              git "mv" "-f" "${fname}" "${new_fname}"
+              git "mv" "${fname}" ${new_fname}
             fi
           done
           git commit -am "formatting filenames $GITHUB_SHA" ||  true
@@ -48,6 +47,7 @@ jobs:
           do 
             clang-format --verbose -i --style="$line1 $line2 $line3 $line4" "$fname"
           done
+          git commit -am "formatting source-code for $GITHUB_SHA" ||  true
         env:
           line1: "{ BasedOnStyle: LLVM, UseTab: Never,"
           line2: "IndentWidth: 4, TabWidth: 4, BreakBeforeBraces: Allman,"
@@ -56,15 +56,6 @@ jobs:
       - name: Git Push
         run: git push --force origin HEAD:$GITHUB_REF || true
 
-  update_directory_md:
-    name: Update Directory.md
-    needs: code_format
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v1
-      - name: pull latest commit
-        run: git pull
       - name: Update DIRECTORY.md
         shell: python
         run: |
@@ -122,14 +113,13 @@ jobs:
   build:
     name: Compile checks
     runs-on: ${{ matrix.os }}
-    needs: [update_directory_md]
+    needs: [MainSequence]
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macOS-latest]
     steps:
       - uses: actions/checkout@master
         with:
           submodules: true
-      - run: git pull
       - run: cmake -B ./build -S .
       - run: cmake --build build