I recieved this error while trying to run update command from bench folder.
ashffaq@vultr:~/bench$ bench update
INFO:bench.utils:updating bench
INFO:bench.utils:git pull
Already up to date.
Traceback (most recent call last):
File "/usr/local/bin/bench", line 11, in <module>
load_entry_point('bench', 'console_scripts', 'bench')()
File "/home/ashffaq/.bench/bench/cli.py", line 40, in cli
bench_command()
File "/usr/lib/python3/dist-packages/click/core.py", line 722, in __call__
return self.main(*args, **kwargs)
File "/usr/lib/python3/dist-packages/click/core.py", line 697, in main
rv = self.invoke(ctx)
File "/usr/lib/python3/dist-packages/click/core.py", line 1066, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "/usr/lib/python3/dist-packages/click/core.py", line 895, in invoke
return ctx.invoke(self.callback, **ctx.params)
File "/usr/lib/python3/dist-packages/click/core.py", line 535, in invoke
return callback(*args, **kwargs)
File "/home/ashffaq/.bench/bench/commands/update.py", line 51, in update
validate_branch()
File "/home/ashffaq/.bench/bench/app.py", line 428, in validate_branch
branch = get_current_branch(app)
File "/home/ashffaq/.bench/bench/app.py", line 281, in get_current_branch
return get_cmd_output("basename $(git symbolic-ref -q HEAD)", cwd=repo_dir)
File "/home/ashffaq/.bench/bench/utils.py", line 370, in get_cmd_output
output = subprocess.check_output(cmd, cwd=cwd, shell=True, stderr=subprocess.PIPE).strip()
File "/usr/lib/python3.6/subprocess.py", line 356, in check_output
**kwargs).stdout
File "/usr/lib/python3.6/subprocess.py", line 438, in run
output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command 'basename $(git symbolic-ref -q HEAD)' returned non-zero exit status 1.