car-ui-lib/tests/apitest/git_utils.py

#!/usr/bin/python

# Copyright 2019, The Android Open Source Project
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
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# of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
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import subprocess

def has_chassis_changes(sha):
    if sha is None:
        return True

    result = subprocess.Popen(['git', 'diff-tree', '--no-commit-id', '--name-only', '-r', sha],
                              stdout=subprocess.PIPE, stderr=subprocess.PIPE)
    stdout, stderr = result.communicate()

    if result.returncode != 0:
        raise Exception("Git error: "+str(stdout)+str(stderr))

    return 'car-ui-lib' in str(stdout)