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Add coverage debugging #14193

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11 changes: 10 additions & 1 deletion infra/cifuzz/generate_coverage_report.py
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@
# See the License for the specific language governing permissions and
# limitations under the License.
"""Module for generating coverage reports."""
import logging
import os

import base_runner_utils
Expand All @@ -27,7 +28,15 @@ def run_coverage_command(config, workspace):
env['CORPUS_DIR'] = workspace.corpora
env['COVERAGE_OUTPUT_DIR'] = workspace.coverage_report
command = 'coverage'
return utils.execute(command, env=env)

stdout, stderr, return_code = utils.execute(command, env=env)
if stdout:
logging.info('coverage stdout:\n%s', stdout)
if stderr:
logging.info('coverage stderr:\n%s', stderr)
if return_code:
logging.error('coverage command exited with code %d.', return_code)
return stdout, stderr, return_code


def download_corpora(fuzz_target_paths, clusterfuzz_deployment):
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