ClickHouse/utils/check-style/check-black

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#!/usr/bin/env bash
set -e
# We check only our code, that's why we skip contrib
GIT_ROOT=$(git rev-parse --show-cdup)
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GIT_ROOT=${GIT_ROOT:-./}
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tmp=$(mktemp)
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# Find all *.py, *.python files and executable files without extension
# that are determined as python scripts by 'file' util
# in the repo except the contrib directory.
find_cmd=(
find "$GIT_ROOT" -type f -not -path "${GIT_ROOT}contrib/*"
\(
\(
-name '*.py' -or -name "*.python" -or
\(
-executable -not -name "*.*" -exec sh -c 'file {} | grep -q "Python script"' \;
\)
\)
# We skip modules generated by the protocol buffer compiler from *.proto files.
-and -not -name '*_pb2.py' -and -not -name '*_pb2_grpc.py'
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\)
)
if ! "${find_cmd[@]}" -exec black --check --diff {} + 1>"$tmp" 2>&1; then
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# Show the result only if some files need formatting
cat "$tmp"
# Apply formatting
"${find_cmd[@]}" -exec black {} + 1>/dev/null 2>&1
# Automatically add changed files to stage
"${find_cmd[@]}" -exec git add -u {} + 1>/dev/null 2>&1
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fi
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rm "$tmp"