blob: f5bc76d41cd9991dfb2b5ef4ffbbafcd7632e61b [file] [log] [blame]
# -*- coding:utf-8 -*-
#
# Copyright (C) 2008 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Logic for tracing repo interactions.
Activated via `repo --trace ...` or `REPO_TRACE=1 repo ...`.
"""
from __future__ import print_function
import sys
import os
# Env var to implicitly turn on tracing.
REPO_TRACE = 'REPO_TRACE'
_TRACE = os.environ.get(REPO_TRACE) == '1'
def IsTrace():
return _TRACE
def SetTrace():
global _TRACE
_TRACE = True
def Trace(fmt, *args):
if IsTrace():
print(fmt % args, file=sys.stderr)