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#!/usr/bin/env python
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
from __future__ import absolute_import
import sys
import os
import shutil
import subprocess
import tempfile
import zipfile
import buildconfig
def main():
if not buildconfig.substs.get("MOZ_CODE_COVERAGE") or not buildconfig.substs.get(
"MOZ_RUST_TESTS"
):
return
assert (
"GRCOV_PATH" in os.environ
), "The environment variable GRCOV_PATH should contain a path to grcov"
grcov_path = os.environ["GRCOV_PATH"]
assert os.path.exists(grcov_path), "grcov should exist"
grcov_command = [
grcov_path,
"-t",
"lcov",
"-p",
buildconfig.topsrcdir,
buildconfig.topobjdir,
]
# We want to ignore system headers in our reports.
if buildconfig.substs["OS_TARGET"] == "WINNT":
# We use WINDOWSSDKDIR to find the directory holding the system headers on Windows.
windows_sdk_dir = None
config_opts = buildconfig.substs["MOZ_CONFIGURE_OPTIONS"].split(" ")
for opt in config_opts:
if opt.startswith("WINDOWSSDKDIR="):
windows_sdk_dir = opt[len("WINDOWSSDKDIR=") :]
break
assert (
windows_sdk_dir is not None
), "WINDOWSSDKDIR should be in MOZ_CONFIGURE_OPTIONS"
ignore_dir_abs = os.path.dirname(windows_sdk_dir)
# globs passed to grcov must exist and must be relative to the source directory.
# If it doesn't exist, maybe it has moved and we need to update the paths above.
# If it is no longer relative to the source directory, we no longer need to ignore it and
# this code can be removed.
assert os.path.isdir(ignore_dir_abs), "{} is not a directory".format(
ignore_dir_abs
)
assert ignore_dir_abs.startswith(
buildconfig.topsrcdir
), "{} should start with {}".format(ignore_dir_abs, buildconfig.topsrcdir)
grcov_command += [
"--ignore",
os.path.relpath(ignore_dir_abs, buildconfig.topsrcdir) + "*",
]
if buildconfig.substs["OS_TARGET"] == "Linux":
gcc_dir = os.path.join(os.environ["MOZ_FETCHES_DIR"], "gcc")
if "LD_LIBRARY_PATH" in os.environ:
os.environ["LD_LIBRARY_PATH"] = "{}/lib64/:{}".format(
gcc_dir, os.environ["LD_LIBRARY_PATH"]
)
else:
os.environ["LD_LIBRARY_PATH"] = "{}/lib64/".format(gcc_dir)
os.environ["PATH"] = "{}/bin/:{}".format(gcc_dir, os.environ["PATH"])
grcov_output = subprocess.check_output(grcov_command)
grcov_zip_path = os.path.join(buildconfig.topobjdir, "code-coverage-grcov.zip")
with zipfile.ZipFile(grcov_zip_path, "a", zipfile.ZIP_DEFLATED) as z:
z.writestr("grcov_lcov_output.info", grcov_output)
if __name__ == "__main__":
main()
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