[fix] Enable CI for pull_requests (#864)

* rename awesome workflow

* added new PR workflow - only cpplint and compilation

* simple doc add

* rename PR workflow

* removed cpplint dependency

* try v1 checkout

* remove pr specific CI

* remove dependency to perform git pull

* remove blank line

* remove checkout@master and use v1

* remove hyphen

* remove misplaced with statement

* remove redundant git pull

* try git pull from origin for compile check

* remove git pull altogehter

* use setup-python-v2

.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
+          sudo apt -qq install clang-format
       - name: Setup Git Specs
         run: |
           git config --global user.name github-actions
@@ -56,18 +55,7 @@ jobs:
           line2: "IndentWidth: 4, TabWidth: 4, "
           line3: "AllowShortIfStatementsOnASingleLine: false, IndentCaseLabels: false,"
           line4: "ColumnLimit: 80, AccessModifierOffset: -3 }"
-      - name: Git Push
-        run: git push --force origin HEAD:$GITHUB_REF || true
-  
-  update_directory_md:
-    name: Update Directory.md
-    needs: code_format
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v1
-      - name: pull latest commit
-        run: git pull
+
       - name: Update DIRECTORY.md
         shell: python
         run: |
@@ -121,32 +109,14 @@ jobs:
           git add DIRECTORY.md
           git commit -am "updating DIRECTORY.md" ||  true
           git push --force origin HEAD:$GITHUB_REF || true
-
-  # cpplint:
-  #   name: CPPLINT
-  #   needs: code_format
-  #   runs-on: ubuntu-latest
-  #   steps:
-  #     - uses: actions/checkout@master
-  #     - uses: actions/setup-python@master
-  #     - run: pip install cpplint
-  #     - run: git pull
-  #     - run: cpplint --filter=-legal --recursive .
-
-  cpplint_modified_files:
-    runs-on: ubuntu-latest
-    needs: code_format
-    name: CPPLINT
-    steps:
-      - uses: actions/checkout@master # v2 is broken for git diff
-      - uses: actions/setup-python@master
-      - run: python -m pip install cpplint
-      - run: git remote -v
-      - run: git branch
-      - run: git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/$GITHUB_REPOSITORY
-      - run: git pull
-      - run: git diff --diff-filter=dr --name-only origin/master > git_diff.txt
-      - run: echo "Files changed-- `cat git_diff.txt`"
+      - name: Install CPPLINT
+        run: |
+          python -m pip install cpplint
+          git remote -v
+          git branch
+          git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/$GITHUB_REPOSITORY
+          git diff --diff-filter=dr --name-only origin/master > git_diff.txt
+          echo "Files changed-- `cat git_diff.txt`"
       - name: cpplint_modified_files
         shell: python
         run: |
@@ -197,8 +167,7 @@ jobs:
   build:
     name: Compile checks
     runs-on: ${{ matrix.os }}
-    # needs: [cpplint, update_directory_md, cpplint_modified_files]
-    needs: [update_directory_md]
+    needs: [MainSequence]
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macOS-latest]
@@ -206,6 +175,5 @@ jobs:
       - uses: actions/checkout@master
         with:
           submodules: true
-      - run: git pull
       - run: cmake -B ./build -S .
       - run: cmake --build build