#!/bin/bash
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# Runs clang-format on the files changed between HEAD and $1, which defaults to
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# origin/master.
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# to pick up git-clang-format from scripts/
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export PATH=$(dirname $0):$PATH
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CLANG_FORMAT=${CLANG_FORMAT:-clang-format}
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GITREF=${1:-origin/master}
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if ! hash $CLANG_FORMAT 2> /dev/null; then
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echo "Could not find clang-format tool" 1>&2
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exit 1
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fi
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cmd="git clang-format $GITREF --binary $CLANG_FORMAT --diff --extensions h,c,cc"
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n=$($cmd --quiet | wc -l)
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if [ $n -gt 0 ]; then
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$cmd -v
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exit 1
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fi
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