rom.sh

function get_build() {
    if [[ "$MK_BUILD" ]]; then
        echo $MK_BUILD
    elif [[ "$LINEAGE_BUILD" ]]; then
        echo $LINEAGE_BUILD
    elif [[ "$CM_BUILD" ]]; then
        echo $CM_BUILD
    fi
}

function get_device() {
    find "${ANDROID_BUILD_TOP}/device" -maxdepth 2 -type d -name "${1}"
}

function get_vendor() {
    find "${ANDROID_BUILD_TOP}/vendor" -maxdepth 2 -type d -name "${1}"
}

function get_common_device() {
    local device=$(get_device "${1}")
    local common=$(grep 'BoardConfigCommon.mk' "${device}/BoardConfig.mk" | sed 's|\-include\s*\(.*\)\/BoardConfigCommon\.mk|\1|')
    echo "${ANDROID_BUILD_TOP}/${common}"
}

function get_kernel() {
    local device=$(get_device "${1}")
    local kernel=$(grep 'TARGET_KERNEL_SOURCE' "${device}/BoardConfig.mk" | sed 's|.*\:\=\s*\(.*\)$|\1|')
    if [[ "$kernel" ]]; then
        echo "${ANDROID_BUILD_TOP}/${kernel}"
        return
    fi

    local common=$(get_common_device "${1}")
    local kernel=$(grep 'TARGET_KERNEL_SOURCE' "${common}/BoardConfigCommon.mk" | sed 's|.*\:\=\s*\(.*\)$|\1|')
    if [[ "$kernel" ]]; then
        echo "${ANDROID_BUILD_TOP}/${kernel}"
        return
    fi
}

function cdd() {
    local build=$(get_build)
    if [[ "$build" ]]; then
        local device=$(get_device "${build}")
        echo $device
        cd "$device"
    fi
}

function cdcd() {
    local build=$(get_build)
    if [[ "$build" ]]; then
        local device=$(get_common_device "${build}")
        echo $device
        cd "$device"
    fi
}

function cdv() {
    local build=$(get_build)
    if [[ "$build" ]]; then
        local vendor=$(get_vendor "${build}")
        echo $vendor
        cd "$vendor"
    fi
}

function cdk() {
    local build=$(get_build)
    if [[ "$build" ]]; then
        local kernel=$(get_kernel "${build}")
        echo $kernel
        cd "$kernel"
    fi
}