blob: e6add1302c8c0b6938d09deef9aee73e224f4832 [file] [log] [blame]
# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import sys
import os
import exceptions
import itertools
import re
def GetNinjaOutputDirectory(chrome_root):
"""Returns <chrome_root>/<output_dir>/(Release|Debug|<other>).
If either of the following environment variables are set, their
value is used to determine the output directory:
1. CHROMIUM_OUT_DIR environment variable.
2. GYP_GENERATOR_FLAGS environment variable output_dir property.
Otherwise, all directories starting with the word out are examined.
The configuration chosen is the one most recently generated/built.
output_dirs = []
if ('CHROMIUM_OUT_DIR' in os.environ and
os.path.isdir(os.path.join(chrome_root, os.environ['CHROMIUM_OUT_DIR']))):
output_dirs = [os.environ['CHROMIUM_OUT_DIR']]
if not output_dirs:
generator_flags = os.getenv('GYP_GENERATOR_FLAGS', '').split(' ')
for flag in generator_flags:
name_value = flag.split('=', 1)
if (len(name_value) == 2 and name_value[0] == 'output_dir' and
os.path.isdir(os.path.join(chrome_root, name_value[1]))):
output_dirs = [name_value[1]]
if not output_dirs:
for f in os.listdir(chrome_root):
if re.match(r'out(\b|_)', f):
out = os.path.realpath(os.path.join(chrome_root, f))
if os.path.isdir(out):
output_dirs.append(os.path.relpath(out, start = chrome_root))
def generate_paths():
for out_dir in output_dirs:
out_path = os.path.join(chrome_root, out_dir)
for config in os.listdir(out_path):
path = os.path.join(out_path, config)
if os.path.exists(os.path.join(path, '')):
yield path
def approx_directory_mtime(path):
# This is a heuristic; don't recurse into subdirectories.
paths = [path] + [os.path.join(path, f) for f in os.listdir(path)]
return max(os.path.getmtime(p) for p in paths)
return max(generate_paths(), key=approx_directory_mtime)
except ValueError:
raise exceptions.RuntimeError(
'Unable to find a valid ninja output directory.')
if __name__ == '__main__':
if len(sys.argv) != 2:
raise exceptions.RuntimeError('Expected a single path argument.')
print GetNinjaOutputDirectory(sys.argv[1])