Get the name of the current git branch using git binary and no other Python libraries

get-git-branch.py

#!/usr/bin/env python3

from subprocess import run, PIPE

branch_proc = run(['git', 'branch', '--show-current'],
                  stdout=PIPE,
                  universal_newlines=True,
                  cwd='.') # set CWD to the branch directory

if branch_proc.returncode == 0:
    branch = branch_proc.stdout.strip('\n')
    
print(branch)