clang-format-pre-commit

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#! /bin/sh

# Copyright (C) 2018 The Qt Company Ltd.

# Contact: http://www.qt.io/licensing/

# You may use this file under the terms of the 3-clause BSD license.

# See the file LICENSE from this package for details.

# Usage: in every repository you want to have checked:

#    cd .git/hooks

#    ln -s ../../../qtrepotools/git-hooks/clang-format-pre-commit pre-commit

#    mklink pre-commit ..\..\..\qtrepotools\git-hooks\clang-format-pre-commit

CLANG_FORMAT=$(which git-clang-format 2>/dev/null)

if [ -z "$CLANG_FORMAT" -a -d "$LLVM_INSTALL_DIR" ]; then

    export PATH=$PATH:$LLVM_INSTALL_DIR/bin

    CLANG_FORMAT=$(which git-clang-format 2>/dev/null)

fi

if test -z "$CLANG_FORMAT"; then

    echo "Please install clang-format and make sure git-clang-format is in the path."

    exit 0

fi

CLANG_FORMAT_DIFF=`git clang-format -q --diff`

if [ "$CLANG_FORMAT_DIFF" = "no modified files to format" ]; then

    exit 0

fi

if test -n "$CLANG_FORMAT_DIFF"; then

    echo "clang-format output:"

    echo "$CLANG_FORMAT_DIFF"

    echo "clang-format suggests changes in the format. You can run:"

    echo "  git clang-format HEAD~1"

    echo "and amend the commit with those changes that you agree with."

    exit 0

fi