167 lines
5.8 KiB
Bash
Executable File
167 lines
5.8 KiB
Bash
Executable File
#!/bin/bash
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#
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# Copyright (c) Authors: https://www.armbian.com/authors
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#
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# Licensed under the GNU General Public License, version 2.
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# Distributed “as is” without any warranty of any kind.
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# DO NOT EDIT THIS FILE.
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# To customize behavior, override options in /etc/default/armbian-motd.
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# Any local edits here will be lost during board support package updates.
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set -o pipefail
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THIS_SCRIPT="header"
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MOTD_DISABLE=""
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_motd_mark_after_header() {
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local base="/run/armbian-motd"
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mkdir -p "$base" 2>/dev/null || base="${XDG_RUNTIME_DIR:-/tmp}/armbian-motd"
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mkdir -p "$base" 2>/dev/null || return 0
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local stamp="${base}/.after_header.printed"
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[[ -e "$stamp" ]] || { echo ""; : >"$stamp"; }
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}
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safe_source() { [[ -f "$1" ]] && . "$1"; }
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# --- Load metadata from image and release files ---
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safe_source /etc/armbian-image-release
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VENDORTEMP="${VENDOR:-}"
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safe_source /etc/armbian-release
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[[ -n "${VENDORTEMP}" && "${VENDORTEMP}" != "${VENDOR:-}" ]] && VENDOR="${VENDORTEMP}"
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[[ -n "${VENDORPRETTYNAME:-}" ]] && VENDOR="${VENDORPRETTYNAME}"
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# --- Distribution and upgrade information ---
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DISTRIBUTION_CODENAME=""
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DISTRIBUTION_ID=""
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upgrade=""
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if [[ -f /etc/armbian-distribution-status ]]; then
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# Prefer lsb-release (safe to source; no VERSION conflict)
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if [[ -f /etc/lsb-release ]]; then
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# shellcheck disable=SC1091
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. /etc/lsb-release
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DISTRIBUTION_CODENAME="${DISTRIB_CODENAME:-${DISTRIBUTION_CODENAME}}"
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DISTRIBUTION_ID="${DISTRIB_ID:-${DISTRIBUTION_ID}}"
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fi
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# If still missing, read only the keys we need from os-release (do NOT source it)
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if [[ -z "${DISTRIBUTION_CODENAME}" || -z "${DISTRIBUTION_ID}" ]]; then
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if [[ -f /etc/os-release ]]; then
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DISTRIBUTION_CODENAME="$(awk -F= '/^VERSION_CODENAME=/{sub(/^"/,"",$2); sub(/"$/,"",$2); print $2}' /etc/os-release)"
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DISTRIBUTION_ID="$(awk -F= '/^ID=/{sub(/^"/,"",$2); sub(/"$/,"",$2); print $2}' /etc/os-release)"
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fi
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fi
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# If still missing, fallback to lsb_release command
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if [[ -z "${DISTRIBUTION_CODENAME}" || -z "${DISTRIBUTION_ID}" ]]; then
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if command -v lsb_release >/dev/null 2>&1; then
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DISTRIBUTION_CODENAME="$(lsb_release -c | awk -F: '{gsub(/\t/,"",$2); print $2}')"
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DISTRIBUTION_ID="$(lsb_release -i | awk -F: '{gsub(/\t/,"",$2); print $2}')"
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fi
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fi
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DISTRIBUTION_STATUS="$(awk -F'[=;]' -v c="${DISTRIBUTION_CODENAME}" '$1==c{print $2; exit}' /etc/armbian-distribution-status)"
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filter=$(awk -F= '/supported/{print $1}' /etc/armbian-distribution-status)
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current_line="$(awk -F';' -v c="${DISTRIBUTION_CODENAME}" '$1==c{print $2; exit}' /etc/armbian-distribution-status)"
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candidates="$(printf '%s\n' "${current_line#*=}" | tr ',' ' ')"
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for j in $filter; do
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for i in $candidates; do
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if [[ "$i" == "$j" ]]; then upgrade="$i"; fi
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done
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done
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fi
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safe_source /etc/default/armbian-motd
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for f in ${MOTD_DISABLE}; do
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[[ "${f}" == "${THIS_SCRIPT}" ]] && exit 0
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done
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# --- Kernel and system info ---
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KERNELID="$(uname -r)"
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_motd_mark_after_header
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# --- Vendor banner ---
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if [[ -n "${VENDORCOLOR:-}" ]]; then
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if command -v figlet >/dev/null 2>&1; then
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printf '\e[38;2;%sm%s\e[0m\n' "${VENDORCOLOR}" "$(figlet -f small " ${VENDOR}")"
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else
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printf '\e[38;2;%sm### %s ###\e[0m\n' "${VENDORCOLOR}" "${VENDOR}"
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fi
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else
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if command -v figlet >/dev/null 2>&1; then
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printf '\e[1;91m%s\e[0m\n' "$(figlet -f small " ${VENDOR}")"
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else
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printf '\e[1;91m### %s ###\e[0m\n' "${VENDOR}"
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fi
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fi
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# --- Board name and version line ---
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# Keep BOARD_NAME from Armbian files; only special-case RPi4 model tweak.
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if [[ "${BOARD:-}" == "rpi4b" ]]; then
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BOARD_NAME="$(tr '\0' '\n' < /proc/device-tree/model | sed -E 's/ Rev [0-9.]+$//')"
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fi
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# Preserve Armbian VERSION; if it ends with "trunk", show "rolling"
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if [[ "${VERSION:-}" == *trunk* ]]; then
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VERSION="$(printf '%s' "${VERSION}" | cut -d'.' -f1-2)"
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VERSION="${VERSION} rolling"
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fi
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printf ' \e[0;92mv%s\x1B[0m for %s running Armbian Linux \e[0;92m%s\x1B[0m\n' \
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"${VERSION}" "${BOARD_NAME}" "${KERNELID}"
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# --- Hardware support status ---
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HARDWARE_STATUS=""
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if [[ "${IMAGE_TYPE:-}" != "stable" ]]; then
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case "${IMAGE_TYPE:-}" in
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"user-built") HARDWARE_STATUS=$'\e[0;91mDIY\x1B[0m (custom image)\x1B[0m' ;;
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"nightly") HARDWARE_STATUS=$'\e[0;91mfor advanced users\x1B[0m (rolling release)\x1B[0m' ;;
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esac
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else
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case "${BOARD_TYPE:-}" in
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"csc"|"tvb") HARDWARE_STATUS=$'\e[0;91mDIY (community maintained)\x1B[0m' ;;
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"wip") HARDWARE_STATUS=$'\e[0;91mfor advanced users\x1B[0m (work in progress)\x1B[0m' ;;
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"eos") HARDWARE_STATUS=$'\e[0;91mend of life\x1B[0m' ;;
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esac
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fi
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# --- Distribution status line ---
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case "${DISTRIBUTION_STATUS:-}" in
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supported) DISTRO_STATUS=$'\e[0;92mstable\e[0m' ;;
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eos) DISTRO_STATUS=$'\e[0;91mend of life\e[0m' ;;
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*) DISTRO_STATUS=$'\e[0;93mrolling\e[0m' ;;
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esac
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[[ -n "${DISTRIBUTION_CODENAME}" ]] && DISTRO_STATUS+=" (${DISTRIBUTION_CODENAME})"
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# --- Updates status ---
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if [[ -f /var/cache/apt/archives/updates.number ]]; then
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# shellcheck disable=SC1091
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. /var/cache/apt/archives/updates.number
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fi
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UPDATE_STATUS=""
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if [[ "${NUM_UPDATES:-0}" -gt 0 ]]; then
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if apt-mark showhold 2>/dev/null | grep -q '^linux-image'; then
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UPDATE_STATUS="Kernel upgrade \e[0;91mdisabled\e[0m"
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else
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UPDATE_STATUS="Kernel upgrade \e[0;92menabled\e[0m"
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fi
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UPDATE_STATUS+=" and \e[1;92m${NUM_UPDATES}\e[0m package"
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[[ "${NUM_UPDATES}" -gt 1 ]] && UPDATE_STATUS+="s"
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UPDATE_STATUS+=" available for upgrade\e[0m "
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fi
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printf '\n'
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# --- Display summary ---
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if [[ -n "${DISTRO_STATUS:-}" ]]; then
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[[ -n "${upgrade}" ]] && DISTRO_STATUS+=", possible distro upgrade (${upgrade})"
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printf ' Packages: %s %b\n' "${DISTRIBUTION_ID^}" "${DISTRO_STATUS}"
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fi
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[[ -n "${UPDATE_STATUS}" ]] && printf ' Updates: %b\n' "${UPDATE_STATUS}"
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[[ -n "${HARDWARE_STATUS}" ]] && printf ' Support: %b\n' "${HARDWARE_STATUS}"
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# ensure zero exit when executed directly
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(return 0 2>/dev/null) || exit 0 |