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#!/bin/sh


# This is more portable than `which' but comes with
# the caveat of not(?) properly working on busybox's ash:
existence()
{
    command -v "$1" >/dev/null 2>&1
}

check_uncrustify()
{
    if existence uncrustify; then
        echo "Installing uncrustify hook and configuration"
        ln -fs contrib/build-common/conf/uncrustify.cfg uncrustify.cfg 2> /dev/null
        ln -fs contrib/build-common/conf/uncrustify_precommit .git/hooks/pre-commit 2> /dev/null
    else
        echo "Uncrustify not detected, hook not installed."
        echo "Please install uncrustify if you plan on doing development"
    fi
}

submodules()
{
    # Try to update the submodule. Since bootstrap
    # is also invoked by distributors, we must
    # ignore any failing of this function as we
    # could have no outgoing network connection
    # in a restricted environment.
    if ! git --version >/dev/null; then
        echo "git not installed, skipping submodule update"
    else
        git submodule update --init || true
        git submodule update --recursive --remote || true
        git submodule sync || true
    fi
}

auto_reconf()
{
    autoreconf -fi
}

main()
{
    submodules
    check_uncrustify
    auto_reconf
}

main "$@"