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Catched error if no local images exist
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@ -34,11 +34,17 @@ def git_pull(directory):
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def get_image_digests(directory):
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compose_project = os.path.basename(directory)
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images_output = subprocess.check_output(
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f'docker images --format "{{{{.Repository}}}}:{{{{.Tag}}}}@{{{{.Digest}}}}" | grep {compose_project}',
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shell=True
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).decode().strip()
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return dict(line.split('@') for line in images_output.splitlines() if line)
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try:
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images_output = subprocess.check_output(
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f'docker images --format "{{{{.Repository}}}}:{{{{.Tag}}}}@{{{{.Digest}}}}" | grep {compose_project}',
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shell=True
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).decode().strip()
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return dict(line.split('@') for line in images_output.splitlines() if line)
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except subprocess.CalledProcessError as e:
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if e.returncode == 1: # grep no match found
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return {}
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else:
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raise # Other errors are still raised
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def update_docker(directory):
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print(f"Checking for updates to Docker images in {directory}.")
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