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#!/usr/bin/env bash
# Arg used to specify non-'origin/main' comparison branch
ORIGIN_BRANCH=${1:-"origin/main"}
CLANG_BINARY=${2:-"`which clang-format-11`"}
# Run git-clang-format to check for violations
CLANG_FORMAT_OUTPUT=$(git-clang-format --diff $ORIGIN_BRANCH --extensions c,cpp,h,hpp --binary $CLANG_BINARY)
# Check for no-ops
grep '^no modified files to format$' <<<"$CLANG_FORMAT_OUTPUT" && exit 0
grep '^clang-format did not modify any files$' <<<"$CLANG_FORMAT_OUTPUT" && exit 0
# Dump formatting diff and signal failure
echo -e "\n==== FORMATTING VIOLATIONS DETECTED ====\n"
echo "$CLANG_FORMAT_OUTPUT"
exit 1
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