Remove chmod pre-commit hook and use GitHub Action method again

Partially revert ce6d457 to keep the 644 permission checks and format commands.

Author: weiji14

.github/workflows/format-command.yml

@@ -39,6 +39,7 @@ jobs:
       - name: Commit to the PR branch if any changes
         run: |
           make format
+          git ls-files -z | xargs -0 chmod 644
           if [[ $(git ls-files -m) ]]; then
             git config --global user.name 'actions-bot'
             git config --global user.email '[email protected]'

.github/workflows/style_checks.yaml

@@ -40,6 +40,11 @@ jobs:
       - name: Formatting check (ruff)
         run: make check
 
+      - name: Ensure files have 644 permission
+        run: |
+          git ls-files -z | xargs -0 chmod 644
+          if [[ $(git ls-files -m) ]]; then git --no-pager diff HEAD; exit 1; fi
+
       - name: Ensure example scripts have at least one code block separator
         run: |
           git ls-files 'examples/**/*.py' | xargs grep --files-without-match '# %%' > output.txt

.pre-commit-config.yaml

@@ -13,8 +13,6 @@ repos:
   hooks:
     - id: forbid-crlf
     - id: remove-crlf
-    - id: chmod
-      args: ['644']
 
 # https://pre-commit.ci/#configuration
 ci: