def eslint_supportdir(self, task_workdir):
""" Returns the path where the ESLint is bootstrapped.
:param string task_workdir: The task's working directory
:returns: The path where ESLint is bootstrapped and whether or not it is configured
:rtype: (string, bool)
"""
bootstrapped_support_path = os.path.join(task_workdir, 'eslint')
# TODO(nsaechao): Should only have to check if the "eslint" dir exists in the task_workdir
# assuming fingerprinting works as intended.
# If the eslint_setupdir is not provided or missing required files, then
# clean up the directory so that Pants can install a pre-defined eslint version later on.
# Otherwise, if there is no configurations changes, rely on the cache.
# If there is a config change detected, use the new configuration.
configured = False
if self.eslint_setupdir:
configured = self._binary_util.is_bin_valid(
self.eslint_setupdir, [
BinaryUtil.BinaryFileSpec('package.json'),
BinaryUtil.BinaryFileSpec('yarn.lock')
])
if not configured:
safe_mkdir(bootstrapped_support_path, clean=True)
else:
binary_file_specs = [
BinaryUtil.BinaryFileSpec(
f, hash_file(os.path.join(self.eslint_setupdir, f)))
for f in ['yarn.lock', 'package.json']
]
installed = self._binary_util.is_bin_valid(
bootstrapped_support_path, binary_file_specs)
if not installed:
self._configure_eslinter(bootstrapped_support_path)
return bootstrapped_support_path, configured
