def verify_git_dep():
git_version_min = 'git version 1.8.5'
obj = run_bash("git version", capture_stdout=True, check=False)
git_version = obj.stdout.strip() if obj.stdout else None
git_status = obj.returncode
if git_status == 127:
raise EnvironmentError(
'The command git has not been found. Exiting...')
if git_version < git_version_min:
messenger.warn(
f"Pearl might not work properly since git is too old: {git_version} < {git_version_min}"
)
return False
return True
def verify_bash_dep():
bash_version_min = "4.1"
obj = run_bash("echo $BASH_VERSION", capture_stdout=True, check=False)
bash_version = obj.stdout.strip() if obj.stdout else None
bash_status = obj.returncode
if bash_status == 127:
raise EnvironmentError(
'The command bash has not been found. Exiting...')
if bash_version is None:
messenger.warn(
"Warn: The BASH_VERSION environment variable is not defined")
return False
elif bash_version < bash_version_min:
messenger.warn(
f"Warn: Pearl might not work properly since bash is too old: {bash_version} < {bash_version_min}"
)
return False
return True
def _get_config_filename(config_filename: Path = None,
env_initialized: bool = True) -> Path:
if config_filename is None:
xdg_config_home = os.environ.get('XDG_CONFIG_HOME',
f"{os.environ['HOME']}/.config")
config_home = Path(f'{xdg_config_home}/pearl')
config_filename = config_home / 'pearl.conf'
if env_initialized:
if config_filename.exists() and not config_filename.is_file():
msg = f'Error: The configuration in {config_filename} is not a file.'
messenger.warn(msg)
raise ValueError(msg)
elif not config_filename.exists():
msg = 'Pearl configuration file does not exist. Run "pearl init" first.'
messenger.warn(msg)
raise ValueError(msg)
return config_filename
def _get_home(home: Path = None, env_initialized: bool = True) -> Path:
if home is None:
xdg_data_home = os.environ.get(
'XDG_DATA_HOME', f"{os.environ['HOME']}/.local/share")
default_home = f'{xdg_data_home}/pearl'
home = Path(default_home)
messenger.debug(f"Found Pearl home: {home}")
if env_initialized:
if home.exists() and not home.is_dir():
msg = f'Error: The value in environment variable PEARL_HOME is not a directory: {home}.'
messenger.warn(msg)
raise ValueError(msg)
elif not home.exists():
msg = 'Pearl environment has not been initialized. Run "pearl init" first.'
messenger.warn(msg)
raise ValueError(msg)
return home