update workflow to use clang-tidy checks and apply necessary fixes

.github/workflows/awesome_workflow.yml

@@ -16,7 +16,7 @@ jobs:
       - name: requirements
         run: |
           sudo apt -qq -y update
-          sudo apt -qq install clang-format 
+          sudo apt -qq install clang-tidy-10
       - name: Setup Git Specs
         run: |
           git config --global user.name github-actions
@@ -41,21 +41,6 @@ jobs:
             fi
           done
           git commit -am "formatting filenames $GITHUB_SHA" ||  true
-      - name: Clang Formatter
-        run: |
-          for fname in $(find . -name '*.c' -o -name '*.h')
-          do 
-            clang-format --verbose -i --style="$line1 $line2 $line3 $line4" "$fname"
-          done
-          git commit -am "formatting source-code for $GITHUB_SHA" ||  true
-        env:
-          line1: "{ BasedOnStyle: Google, UseTab: Never,"
-          line2: "IndentWidth: 4, TabWidth: 4, BreakBeforeBraces: Allman,"
-          line3: "AllowShortIfStatementsOnASingleLine: false, IndentCaseLabels: false,"
-          line4: "ColumnLimit: 80, AccessModifierOffset: -4 }"
-      - name: Git Push
-        run: git push --force origin HEAD:$GITHUB_REF || true
-
       - name: Update DIRECTORY.md
         shell: python
         run: |
@@ -100,14 +85,72 @@ jobs:
 
           with open("DIRECTORY.md", "w") as out_file:
               out_file.write(build_directory_md(".") + "\n")
-      - name: Update DIRECTORY.md
+      - name: Commit DIRECTORY.md
         run: |
-          cat DIRECTORY.md
-          git config --global user.name github-actions
-          git config --global user.email '${GITHUB_ACTOR}@users.noreply.github.com'
-          git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/$GITHUB_REPOSITORY
+          git diff DIRECTORY.md
           git add DIRECTORY.md
-          git commit -am "updating DIRECTORY.md" ||  true
+          git commit -m "updating DIRECTORY.md" ||  true
+      - name: Get file changes
+        run: |
+          git remote -v
+          git branch
+          git remote set-url origin https://x-access-token:${{ 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: Configure for static lint checks
+        # compiling first gives clang-tidy access to all the header files and settings used to compile the programs.
+        # This will check for macros, if any, on linux and not for Windows. But the use of portability checks should
+        # be able to catch any errors for other platforms.
+        run: cmake -B build -S . -DCMAKE_EXPORT_COMPILE_COMMANDS=ON
+      - name: Lint modified files
+        shell: python
+        run: |
+          import os
+          import subprocess
+          import sys
+
+          print("Python {}.{}.{}".format(*sys.version_info))  # Python 3.8
+          with open("git_diff.txt") as in_file:
+            modified_files = sorted(in_file.read().splitlines())
+          print("{} files were modified.".format(len(modified_files)))
+
+          cpp_exts = tuple(".c .c++ .cc .cpp .cu .cuh .cxx .h .h++ .hh .hpp .hxx".split())
+          cpp_files = [file for file in modified_files if file.lower().endswith(cpp_exts)]
+          print(f"{len(cpp_files)} C++ files were modified.")
+          if not cpp_files:
+            sys.exit(0)
+
+          for cpp_file in cpp_files:
+            subprocess.run(["clang-tidy-10", "--fix", "-p=build", cpp_file, "--"],
+              check=True, text=True, stderr=subprocess.STDOUT)
+
+          # print("g++:")
+          # compile_exts = tuple(".c .c++ .cc .cpp .cu .cxx".split())
+          # compile_files = [file for file in cpp_files if file.lower().endswith(compile_exts)]
+          # for cpp_file in cpp_files:
+          #   subprocess.run(["g++", cpp_file], check=True, text=True)
+
+          upper_files = [file for file in cpp_files if file != file.lower()]
+          if upper_files:
+            print(f"{len(upper_files)} files contain uppercase characters:")
+            print("\n".join(upper_files) + "\n")
+
+          space_files = [file for file in cpp_files if " " in file or "-" in file]
+          if space_files:
+            print(f"{len(space_files)} files contain space or dash characters:")
+            print("\n".join(space_files) + "\n")
+
+          nodir_files = [file for file in cpp_files if file.count(os.sep) != 1]
+          if nodir_files:
+            print(f"{len(nodir_files)} files are not in one and only one directory:")
+            print("\n".join(nodir_files) + "\n")
+
+          bad_files = len(upper_files + space_files + nodir_files)
+          if bad_files:
+            sys.exit(bad_files)
+      - name: Commit and push changes
+        run: |
+          git commit -am "clang-tidy fixes for $GITHUB_SHA" ||  true
           git push --force origin HEAD:$GITHUB_REF || true
 
   build: