update

bashrc.d/40-status.bash

@@ -0,0 +1,90 @@
+# shellcheck shell=bash
+
+_mem_available=$(awk '/MemAvailable/ { printf "%.1f \n", $2/1024/1024 }' /proc/meminfo)
+_package_status_cache="${XDG_CACHE_HOME:-$HOME/.cache}/package-status/status"
+_package_status_attempt="${XDG_CACHE_HOME:-$HOME/.cache}/package-status/last-attempt"
+_package_status_max_age=3600
+_package_status_retry_delay=300
+_package_status_version=""
+_package_status_checked_at=""
+_package_status_pacman_log_signature=""
+_updates_available="0"
+_orphans_available="0"
+
+if [[ -r "$_package_status_cache" ]]; then
+	while IFS='=' read -r _package_status_key _package_status_value; do
+		case "$_package_status_key" in
+			version) _package_status_version="$_package_status_value" ;;
+			updates) _updates_available="$_package_status_value" ;;
+			orphans) _orphans_available="$_package_status_value" ;;
+			checked_at) _package_status_checked_at="$_package_status_value" ;;
+			pacman_log_signature) _package_status_pacman_log_signature="$_package_status_value" ;;
+		esac
+	done < "$_package_status_cache"
+fi
+
+_package_status_now=$(date +%s)
+_package_status_current_pacman_log_signature=$(stat -c '%Y:%s:%i' /var/log/pacman.log 2>/dev/null || echo '0:0:0')
+
+if ! [[ "$_package_status_version" == "1" \
+	&& "$_updates_available" =~ ^[0-9]+$ \
+	&& "$_orphans_available" =~ ^[0-9]+$ \
+	&& "$_package_status_checked_at" =~ ^[0-9]+$ \
+	&& "$_package_status_pacman_log_signature" =~ ^[0-9]+:[0-9]+:[0-9]+$ \
+	&& $_package_status_now -ge $_package_status_checked_at \
+	&& $((_package_status_now - _package_status_checked_at)) -le $_package_status_max_age \
+	&& "$_package_status_pacman_log_signature" == "$_package_status_current_pacman_log_signature" ]]; then
+	_updates_available="0"
+	_orphans_available="0"
+
+	_package_status_attempt_time=$(stat -c %Y "$_package_status_attempt" 2>/dev/null || echo 0)
+	if ! [[ "$_package_status_attempt_time" =~ ^[0-9]+$ \
+		&& $_package_status_now -ge $_package_status_attempt_time \
+		&& $((_package_status_now - _package_status_attempt_time)) -lt $_package_status_retry_delay ]]; then
+		systemctl --user start --no-block package-status-refresh.service >/dev/null 2>&1 || true
+	fi
+fi
+
+if declare -F _command_reminder >/dev/null 2>&1; then
+	printf '%s\n' 'Remember commands:'
+	printf '%b' "$_WHITE"
+	_command_reminder
+	printf '%b\n\n' "$_NC"
+fi
+
+if [[ ${_mem_available%.*} -lt 5 ]]; then
+	printf 'Memory available:   %b' "$_YELLOW"
+	[[ ${_mem_available%.*} -lt 3 ]] && printf '%b' "$_RED"
+	printf '%sGB%b\n' "$_mem_available" "$_NC"
+fi
+
+if [[ $_updates_available -gt 0 ]]; then
+	update_color="$_BRIGHT_WHITE"
+	if [[ $_updates_available -gt 29 ]]; then
+		update_color="$_RED"
+	elif [[ $_updates_available -gt 15 ]]; then
+		update_color="$_YELLOW"
+	fi
+	printf 'Updates available: %b%s%b [ update with: %bupdate%b ]\n' \
+		"$update_color" "$_updates_available" "$_NC" "$update_color" "$_NC"
+fi
+
+if [[ $_orphans_available -gt 0 ]]; then
+	orphan_color="$_BRIGHT_WHITE"
+	if [[ $_orphans_available -gt 9 ]]; then
+		orphan_color="$_RED"
+	elif [[ $_orphans_available -gt 4 ]]; then
+		orphan_color="$_YELLOW"
+	fi
+	printf 'Orphaned packages: %b%s%b [ remove with: %bsudo pacman -Rns $(pacman -Qdtq)%b ]\n' \
+		"$orphan_color" "$_orphans_available" "$_NC" "$orphan_color" "$_NC"
+fi
+
+printf '\nRemember "%bTODO.md%b" (%bet%b) and "%bautonote.md%b" (%bea%b) files have content automatically displayed.\n\n' \
+	"$_BLUE" "$_NC" "$_BLUE" "$_NC" "$_BLUE" "$_NC" "$_BLUE" "$_NC"
+
+unset _mem_available _updates_available _orphans_available update_color orphan_color
+unset _package_status_cache _package_status_attempt _package_status_max_age
+unset _package_status_retry_delay _package_status_attempt_time _package_status_version
+unset _package_status_checked_at _package_status_pacman_log_signature _package_status_now
+unset _package_status_current_pacman_log_signature _package_status_key _package_status_value