Hello World! is_git_repo.py Check (1) The current dir has a sub dir whose name is .git? (2) The current dir'name is ended with .git? (3) The current direcoty is contained in a dir whos name is ended with .git. For example, In /home/jim/workspace/abc.git >>> find . -maxdepth 1 -type d . ./.git (1) Yes (2) Yes (3) No In /home/jim/workspace/src . ./bin ./lib (1) No (2) No (3) No