#!/bin/bash
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CLANG_FORMAT=${CLANG_FORMAT:-clang-format}
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CLANG_FORMAT_VERSION=${CLANG_FORMAT_VERSION:-}
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if ! type $CLANG_FORMAT >/dev/null || \
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! $CLANG_FORMAT --version | grep -q "version ${CLANG_FORMAT_VERSION}"; then
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# If running tests, mark this test as skipped.
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exit 77
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fi
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errors=0
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paths=$(git ls-files | grep '\.[ch]$')
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for path in $paths; do
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in=$(cat $path)
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out=$($CLANG_FORMAT $path)
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if [ "$in" != "$out" ]; then
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diff -u -L $path -L "$path.formatted" $path - <<<$out
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errors=1
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fi
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done
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if [ $errors -ne 0 ]; then
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echo "Formatting errors detected, run ./scripts/clang-format to fix!"
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exit 1
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fi
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