Build.core.utils.sh

set_colors() {
    if [[ -n ${GITHUB_ACTION} || -t 1 ]]; then
        _restore='\e[0m'
        _red='\e[1;91m'
        _green='\e[1;92m'
        _white='\e[1;97m'
        _yel='\e[1;33m'
    fi
}
eM() {
    local text=$1
    local modal=$2
    local modalcolor
    local abrt
    case ${modal} in
        "warning" | "notice")
            modalcolor=$_yel ;;
        "error")
            modalcolor=$_red
            abrt=1 ;;
    esac
    if [[ -n ${modal} ]]; then modal="${modal}: "; fi
    echo -e "${modalcolor}${modal}${_white}${text}${_restore}"
    if [[ -n ${abrt} ]]; then exit 1; fi
}
eH() {
    eM "${hr}\n  $1"
}
getval() {
    eval "echo \$$1"
}
add_M_arg() {
    MAKE_ARGS+=("$@")
}
add_M_var() {
    for v in "$@"; do
        _v=$(getval "$v")
        [[ -n $_v ]] && add_M_arg "$1=$_v"
    done
}
print_path() {
    local indent="     "
    echo "PATH="
    echo "${indent}${PATH}" | sed "s/:/\n${indent}/g"
}
__make() {
    # The make wrapper
    execP make "${MAKE_ARGS[@]}" "${MAKE_OVERRIDE_ARGS[@]}" "$@"
}
configure() {
    execP ./scripts/config --file "${KBUILD_OUTPUT}/.config" "$@"
    __make olddefconfig
}
commit_time() {
    export TZ=UTC
    export LC_ALL=C
    SOURCE_DATE_EPOCH=$(git log -1 --pretty=%ct)
    date -d @"$SOURCE_DATE_EPOCH"
}
use_config() {
    [[ -f "$1" ]] || return 1
    eH "Using config file:"
    set -a
    # shellcheck disable=SC1090
    . "$1"
    set +a
}
check_export() {
    for v in "$@"; do
        _v=$(getval "$v")
        if [[ -n $_v ]]; then
            echo "$v=$_v"
            # shellcheck disable=SC2163
            export "$v"
        else
            unset "$v"
        fi
    done
}
execP() {
    eM "\n> $*"
    set -e; "$@"; set +e
}
envsetup() {
    hr="========================================================"
    set_colors
    if ! use_config "${BUILD_CONFIG}"; then
        # shellcheck disable=SC2154
        for dd in "$scriptPWD" "$PWD"; do
            use_config "$dd/Build.options"
        done
    fi
    MAKE_ARGS=()
    MAKEFLAGS="-j$(nproc) ${MAKEFLAGS}"
    if [[ -z ${CC} ]]; then
        if [[ -n ${LLVM} ]]; then
            CC=clang
        else
            CC=${CROSS_COMPILE}gcc
            eM "CC and LLVM not defined, using '$CC' compiler" "notice"
        fi
    else
        add_M_var CC
    fi
    add_M_var LD AR NM OBJCOPY OBJDUMP READELF OBJSIZE STRIP
    check_export MAKEFLAGS KBUILD_OUTPUT ARCH LLVM LLVM_IAS \
        CLANG_TRIPLE CROSS_COMPILE CROSS_COMPILE_ARM32 CROSS_COMPILE_COMPAT \
        KBUILD_BUILD_TIMESTAMP KBUILD_BUILD_HOST KBUILD_BUILD_USER KBUILD_BUILD_VERSION
    if [[ -z ${ARCH} ]]; then
        eM "ARCH not defined. Your host is '$(uname -m)', inferring from that." "notice"
    fi
    if [[ -d ${TC_HOME} ]]; then
        export PATH=$TC_HOME:$PATH
    fi
    if [[ ${USE_CCACHE} = "1" ]]; then
        eM "setting KBUILD_BUILD_TIMESTAMP='' to avoid ccache miss" "notice"
        eM "please only USE_CCACHE for local development builds." "notice"
        export KBUILD_BUILD_TIMESTAMP=
        add_M_arg "CC=ccache ${CC}"
    fi
    print_path
    execP "${CC}" -v
}