891 lines
30 KiB
Bash
891 lines
30 KiB
Bash
#!/usr/bin/env bash
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# Copyright (c) 2021-2025 community-scripts ORG
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# License: MIT | https://raw.githubusercontent.com/community-scripts/ProxmoxVED/main/LICENSE
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# ==============================================================================
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# CORE FUNCTIONS - LXC CONTAINER UTILITIES
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# ==============================================================================
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#
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# This file provides core utility functions for LXC container management
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# including colors, formatting, validation checks, message output, and
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# execution helpers used throughout the Community-Scripts ecosystem.
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#
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# Usage:
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# source <(curl -fsSL https://git.community-scripts.org/.../core.func)
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# load_functions
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#
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# ==============================================================================
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[[ -n "${_CORE_FUNC_LOADED:-}" ]] && return
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_CORE_FUNC_LOADED=1
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# ==============================================================================
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# SECTION 1: INITIALIZATION & SETUP
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# ==============================================================================
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# ------------------------------------------------------------------------------
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# load_functions()
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#
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# - Initializes all core utility groups (colors, formatting, icons, defaults)
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# - Ensures functions are loaded only once via __FUNCTIONS_LOADED flag
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# - Must be called at start of any script using these utilities
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# ------------------------------------------------------------------------------
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load_functions() {
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[[ -n "${__FUNCTIONS_LOADED:-}" ]] && return
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__FUNCTIONS_LOADED=1
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color
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formatting
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icons
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default_vars
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set_std_mode
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}
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# ------------------------------------------------------------------------------
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# color()
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#
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# - Sets ANSI color codes for styled terminal output
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# - Variables: YW (yellow), YWB (yellow bright), BL (blue), RD (red)
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# GN (green), DGN (dark green), BGN (background green), CL (clear)
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# ------------------------------------------------------------------------------
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color() {
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YW=$(echo "\033[33m")
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YWB=$'\e[93m'
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BL=$(echo "\033[36m")
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RD=$(echo "\033[01;31m")
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BGN=$(echo "\033[4;92m")
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GN=$(echo "\033[1;92m")
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DGN=$(echo "\033[32m")
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CL=$(echo "\033[m")
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}
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# ------------------------------------------------------------------------------
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# color_spinner()
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#
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# - Sets ANSI color codes specifically for spinner animation
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# - Variables: CS_YW (spinner yellow), CS_YWB (spinner yellow bright),
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# CS_CL (spinner clear)
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# - Used by spinner() function to avoid color conflicts
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# ------------------------------------------------------------------------------
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color_spinner() {
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CS_YW=$'\033[33m'
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CS_YWB=$'\033[93m'
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CS_CL=$'\033[m'
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}
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# ------------------------------------------------------------------------------
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# formatting()
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#
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# - Defines formatting helpers for terminal output
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# - BFR: Backspace and clear line sequence
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# - BOLD: Bold text escape code
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# - TAB/TAB3: Indentation spacing
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# ------------------------------------------------------------------------------
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formatting() {
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BFR="\\r\\033[K"
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BOLD=$(echo "\033[1m")
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HOLD=" "
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TAB=" "
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TAB3=" "
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}
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# ------------------------------------------------------------------------------
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# icons()
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#
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# - Sets symbolic emoji icons used throughout user feedback
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# - Provides consistent visual indicators for success, error, info, etc.
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# - Icons: CM (checkmark), CROSS (error), INFO (info), HOURGLASS (wait), etc.
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# ------------------------------------------------------------------------------
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icons() {
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CM="${TAB}✔️${TAB}"
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CROSS="${TAB}✖️${TAB}"
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DNSOK="✔️ "
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DNSFAIL="${TAB}✖️${TAB}"
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INFO="${TAB}💡${TAB}${CL}"
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OS="${TAB}🖥️${TAB}${CL}"
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OSVERSION="${TAB}🌟${TAB}${CL}"
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CONTAINERTYPE="${TAB}📦${TAB}${CL}"
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DISKSIZE="${TAB}💾${TAB}${CL}"
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CPUCORE="${TAB}🧠${TAB}${CL}"
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RAMSIZE="${TAB}🛠️${TAB}${CL}"
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SEARCH="${TAB}🔍${TAB}${CL}"
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VERBOSE_CROPPED="🔍${TAB}"
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VERIFYPW="${TAB}🔐${TAB}${CL}"
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CONTAINERID="${TAB}🆔${TAB}${CL}"
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HOSTNAME="${TAB}🏠${TAB}${CL}"
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BRIDGE="${TAB}🌉${TAB}${CL}"
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NETWORK="${TAB}📡${TAB}${CL}"
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GATEWAY="${TAB}🌐${TAB}${CL}"
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DISABLEIPV6="${TAB}🚫${TAB}${CL}"
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DEFAULT="${TAB}⚙️${TAB}${CL}"
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MACADDRESS="${TAB}🔗${TAB}${CL}"
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VLANTAG="${TAB}🏷️${TAB}${CL}"
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ROOTSSH="${TAB}🔑${TAB}${CL}"
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CREATING="${TAB}🚀${TAB}${CL}"
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ADVANCED="${TAB}🧩${TAB}${CL}"
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FUSE="${TAB}🗂️${TAB}${CL}"
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HOURGLASS="${TAB}⏳${TAB}"
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}
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# ------------------------------------------------------------------------------
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# default_vars()
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#
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# - Sets default retry and wait variables used for system actions
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# - RETRY_NUM: Maximum number of retry attempts (default: 10)
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# - RETRY_EVERY: Seconds to wait between retries (default: 3)
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# - i: Counter variable initialized to RETRY_NUM
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# ------------------------------------------------------------------------------
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default_vars() {
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RETRY_NUM=10
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RETRY_EVERY=3
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i=$RETRY_NUM
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}
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# ------------------------------------------------------------------------------
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# set_std_mode()
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#
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# - Sets default verbose mode for script and OS execution
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# - If VERBOSE=yes: STD="" (show all output)
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# - If VERBOSE=no: STD="silent" (suppress output via silent() wrapper)
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# - If DEV_MODE_TRACE=true: Enables bash tracing (set -x)
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# ------------------------------------------------------------------------------
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set_std_mode() {
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if [ "${VERBOSE:-no}" = "yes" ]; then
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STD=""
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else
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STD="silent"
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fi
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# Enable bash tracing if trace mode active
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if [[ "${DEV_MODE_TRACE:-false}" == "true" ]]; then
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set -x
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export PS4='+(${BASH_SOURCE}:${LINENO}): ${FUNCNAME[0]:+${FUNCNAME[0]}(): }'
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fi
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}
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# ------------------------------------------------------------------------------
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# parse_dev_mode()
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#
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# - Parses comma-separated dev_mode variable (e.g., "motd,keep,trace")
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# - Sets global flags for each mode:
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# * DEV_MODE_MOTD: Setup SSH/MOTD before installation
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# * DEV_MODE_KEEP: Never delete container on failure
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# * DEV_MODE_TRACE: Enable bash set -x tracing
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# * DEV_MODE_PAUSE: Pause after each msg_info step
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# * DEV_MODE_BREAKPOINT: Open shell on error instead of cleanup
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# * DEV_MODE_LOGS: Persist all logs to /var/log/community-scripts/
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# * DEV_MODE_DRYRUN: Show commands without executing
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# - Call this early in script execution
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# ------------------------------------------------------------------------------
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parse_dev_mode() {
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local mode
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# Initialize all flags to false
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export DEV_MODE_MOTD=false
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export DEV_MODE_KEEP=false
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export DEV_MODE_TRACE=false
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export DEV_MODE_PAUSE=false
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export DEV_MODE_BREAKPOINT=false
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export DEV_MODE_LOGS=false
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export DEV_MODE_DRYRUN=false
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# Parse comma-separated modes
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if [[ -n "${dev_mode:-}" ]]; then
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IFS=',' read -ra MODES <<<"$dev_mode"
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for mode in "${MODES[@]}"; do
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mode="$(echo "$mode" | xargs)" # Trim whitespace
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case "$mode" in
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motd) export DEV_MODE_MOTD=true ;;
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keep) export DEV_MODE_KEEP=true ;;
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trace) export DEV_MODE_TRACE=true ;;
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pause) export DEV_MODE_PAUSE=true ;;
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breakpoint) export DEV_MODE_BREAKPOINT=true ;;
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logs) export DEV_MODE_LOGS=true ;;
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dryrun) export DEV_MODE_DRYRUN=true ;;
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*)
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if declare -f msg_warn >/dev/null 2>&1; then
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msg_warn "Unknown dev_mode: '$mode' (ignored)"
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else
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echo "[WARN] Unknown dev_mode: '$mode' (ignored)" >&2
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fi
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;;
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esac
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done
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# Show active dev modes
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local active_modes=()
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[[ $DEV_MODE_MOTD == true ]] && active_modes+=("motd")
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[[ $DEV_MODE_KEEP == true ]] && active_modes+=("keep")
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[[ $DEV_MODE_TRACE == true ]] && active_modes+=("trace")
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[[ $DEV_MODE_PAUSE == true ]] && active_modes+=("pause")
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[[ $DEV_MODE_BREAKPOINT == true ]] && active_modes+=("breakpoint")
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[[ $DEV_MODE_LOGS == true ]] && active_modes+=("logs")
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[[ $DEV_MODE_DRYRUN == true ]] && active_modes+=("dryrun")
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if [[ ${#active_modes[@]} -gt 0 ]]; then
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if declare -f msg_custom >/dev/null 2>&1; then
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msg_custom "🔧" "${YWB}" "Dev modes active: ${active_modes[*]}"
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else
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echo "[DEV] Active modes: ${active_modes[*]}" >&2
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fi
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fi
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fi
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}
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# ==============================================================================
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# SECTION 2: VALIDATION CHECKS
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# ==============================================================================
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# ------------------------------------------------------------------------------
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# shell_check()
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#
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# - Verifies that the script is running under Bash shell
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# - Exits with error message if different shell is detected
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# - Required because scripts use Bash-specific features
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# ------------------------------------------------------------------------------
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shell_check() {
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if [[ "$(ps -p $$ -o comm=)" != "bash" ]]; then
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clear
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msg_error "Your default shell is currently not set to Bash. To use these scripts, please switch to the Bash shell."
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echo -e "\nExiting..."
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sleep 2
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exit
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fi
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}
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# ------------------------------------------------------------------------------
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# root_check()
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#
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# - Verifies script is running with root privileges
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# - Detects if executed via sudo (which can cause issues)
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# - Exits with error if not running as root directly
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# ------------------------------------------------------------------------------
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root_check() {
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if [[ "$(id -u)" -ne 0 || $(ps -o comm= -p $PPID) == "sudo" ]]; then
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clear
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msg_error "Please run this script as root."
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echo -e "\nExiting..."
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sleep 2
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exit
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fi
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}
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# ------------------------------------------------------------------------------
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# pve_check()
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#
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# - Validates Proxmox VE version compatibility
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# - Supported: PVE 8.0-8.9 and PVE 9.0-9.1
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# - Exits with error message if unsupported version detected
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# ------------------------------------------------------------------------------
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pve_check() {
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local PVE_VER
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PVE_VER="$(pveversion | awk -F'/' '{print $2}' | awk -F'-' '{print $1}')"
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# Check for Proxmox VE 8.x: allow 8.0–8.9
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if [[ "$PVE_VER" =~ ^8\.([0-9]+) ]]; then
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local MINOR="${BASH_REMATCH[1]}"
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if ((MINOR < 0 || MINOR > 9)); then
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msg_error "This version of Proxmox VE is not supported."
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msg_error "Supported: Proxmox VE version 8.0 – 8.9"
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exit 1
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fi
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return 0
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fi
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# Check for Proxmox VE 9.x: allow 9.0–9.1
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if [[ "$PVE_VER" =~ ^9\.([0-9]+) ]]; then
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local MINOR="${BASH_REMATCH[1]}"
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if ((MINOR < 0 || MINOR > 1)); then
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msg_error "This version of Proxmox VE is not yet supported."
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msg_error "Supported: Proxmox VE version 9.0 – 9.1"
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exit 1
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fi
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return 0
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fi
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# All other unsupported versions
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msg_error "This version of Proxmox VE is not supported."
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msg_error "Supported versions: Proxmox VE 8.0 – 8.9 or 9.0 – 9.1"
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exit 1
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}
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# ------------------------------------------------------------------------------
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# arch_check()
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#
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# - Validates system architecture is amd64/x86_64
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# - Exits with error message for unsupported architectures (e.g., ARM/PiMox)
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# - Provides link to ARM64-compatible scripts
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# ------------------------------------------------------------------------------
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arch_check() {
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if [ "$(dpkg --print-architecture)" != "amd64" ]; then
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echo -e "\n ${INFO}${YWB}This script will not work with PiMox! \n"
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echo -e "\n ${YWB}Visit https://github.com/asylumexp/Proxmox for ARM64 support. \n"
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echo -e "Exiting..."
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sleep 2
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exit
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fi
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}
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# ------------------------------------------------------------------------------
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# ssh_check()
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#
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# - Detects if script is running over SSH connection
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# - Warns user for external SSH connections (recommends Proxmox shell)
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# - Skips warning for local/same-subnet connections
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# - Does not abort execution, only warns
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# ------------------------------------------------------------------------------
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ssh_check() {
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if [ -n "$SSH_CLIENT" ]; then
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local client_ip=$(awk '{print $1}' <<<"$SSH_CLIENT")
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local host_ip=$(hostname -I | awk '{print $1}')
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# Check if connection is local (Proxmox WebUI or same machine)
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# - localhost (127.0.0.1, ::1)
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# - same IP as host
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# - local network range (10.x, 172.16-31.x, 192.168.x)
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if [[ "$client_ip" == "127.0.0.1" || "$client_ip" == "::1" || "$client_ip" == "$host_ip" ]]; then
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return
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fi
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# Check if client is in same local network (optional, safer approach)
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local host_subnet=$(echo "$host_ip" | cut -d. -f1-3)
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local client_subnet=$(echo "$client_ip" | cut -d. -f1-3)
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if [[ "$host_subnet" == "$client_subnet" ]]; then
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return
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fi
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# Only warn for truly external connections
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msg_warn "Running via external SSH (client: $client_ip)."
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msg_warn "For better stability, consider using the Proxmox Shell (Console) instead."
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fi
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}
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# ==============================================================================
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# SECTION 3: EXECUTION HELPERS
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# ==============================================================================
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# ------------------------------------------------------------------------------
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# get_active_logfile()
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#
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# - Returns the appropriate log file based on execution context
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# - BUILD_LOG: Host operations (container creation)
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# - INSTALL_LOG: Container operations (application installation)
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# - Fallback to BUILD_LOG if neither is set
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# ------------------------------------------------------------------------------
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get_active_logfile() {
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if [[ -n "${INSTALL_LOG:-}" ]]; then
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echo "$INSTALL_LOG"
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elif [[ -n "${BUILD_LOG:-}" ]]; then
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echo "$BUILD_LOG"
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else
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# Fallback for legacy scripts
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echo "/tmp/build-$(date +%Y%m%d_%H%M%S).log"
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fi
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}
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# Legacy compatibility: SILENT_LOGFILE points to active log
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SILENT_LOGFILE="$(get_active_logfile)"
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# ------------------------------------------------------------------------------
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# silent()
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#
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# - Executes command with output redirected to active log file
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# - On error: displays last 10 lines of log and exits with original exit code
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# - Temporarily disables error trap to capture exit code correctly
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# - Sources explain_exit_code() for detailed error messages
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# ------------------------------------------------------------------------------
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silent() {
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local cmd="$*"
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local caller_line="${BASH_LINENO[0]:-unknown}"
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local logfile="$(get_active_logfile)"
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# Dryrun mode: Show command without executing
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if [[ "${DEV_MODE_DRYRUN:-false}" == "true" ]]; then
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if declare -f msg_custom >/dev/null 2>&1; then
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msg_custom "🔍" "${BL}" "[DRYRUN] $cmd"
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else
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echo "[DRYRUN] $cmd" >&2
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fi
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return 0
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fi
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set +Eeuo pipefail
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trap - ERR
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"$@" >>"$logfile" 2>&1
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local rc=$?
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set -Eeuo pipefail
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trap 'error_handler' ERR
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if [[ $rc -ne 0 ]]; then
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# Source explain_exit_code if needed
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if ! declare -f explain_exit_code >/dev/null 2>&1; then
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source <(curl -fsSL https://git.community-scripts.org/community-scripts/ProxmoxVED/raw/branch/main/misc/error_handler.func)
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fi
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local explanation
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explanation="$(explain_exit_code "$rc")"
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printf "\e[?25h"
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msg_error "in line ${caller_line}: exit code ${rc} (${explanation})"
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msg_custom "→" "${YWB}" "${cmd}"
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if [[ -s "$logfile" ]]; then
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local log_lines=$(wc -l <"$logfile")
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echo "--- Last 10 lines of silent log ---"
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tail -n 10 "$logfile"
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echo "-----------------------------------"
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# Show how to view full log if there are more lines
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if [[ $log_lines -gt 10 ]]; then
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msg_custom "📋" "${YW}" "View full log (${log_lines} lines): ${logfile}"
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fi
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fi
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exit "$rc"
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fi
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}
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# ------------------------------------------------------------------------------
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# spinner()
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#
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# - Displays animated spinner with rotating characters (⠋ ⠙ ⠹ ⠸ ⠼ ⠴ ⠦ ⠧ ⠇ ⠏)
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# - Shows SPINNER_MSG alongside animation
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# - Runs in infinite loop until killed by stop_spinner()
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# - Uses color_spinner() colors for output
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# ------------------------------------------------------------------------------
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spinner() {
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local chars=(⠋ ⠙ ⠹ ⠸ ⠼ ⠴ ⠦ ⠧ ⠇ ⠏)
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local msg="${SPINNER_MSG:-Processing...}"
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local i=0
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while true; do
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local index=$((i++ % ${#chars[@]}))
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printf "\r\033[2K%s %b" "${CS_YWB}${chars[$index]}${CS_CL}" "${CS_YWB}${msg}${CS_CL}"
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sleep 0.1
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done
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}
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# ------------------------------------------------------------------------------
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# clear_line()
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#
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# - Clears current terminal line using tput or ANSI escape codes
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# - Moves cursor to beginning of line (carriage return)
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# - Erases from cursor to end of line
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# - Fallback to ANSI codes if tput not available
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# ------------------------------------------------------------------------------
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clear_line() {
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tput cr 2>/dev/null || echo -en "\r"
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tput el 2>/dev/null || echo -en "\033[K"
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}
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# ------------------------------------------------------------------------------
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# stop_spinner()
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#
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# - Stops running spinner process by PID
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# - Reads PID from SPINNER_PID variable or /tmp/.spinner.pid file
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# - Attempts graceful kill, then forced kill if needed
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# - Cleans up temp file and resets terminal state
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# - Unsets SPINNER_PID and SPINNER_MSG variables
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# ------------------------------------------------------------------------------
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stop_spinner() {
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local pid="${SPINNER_PID:-}"
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||
[[ -z "$pid" && -f /tmp/.spinner.pid ]] && pid=$(</tmp/.spinner.pid)
|
||
|
||
if [[ -n "$pid" && "$pid" =~ ^[0-9]+$ ]]; then
|
||
if kill "$pid" 2>/dev/null; then
|
||
sleep 0.05
|
||
kill -9 "$pid" 2>/dev/null || true
|
||
wait "$pid" 2>/dev/null || true
|
||
fi
|
||
rm -f /tmp/.spinner.pid
|
||
fi
|
||
|
||
unset SPINNER_PID SPINNER_MSG
|
||
stty sane 2>/dev/null || true
|
||
}
|
||
|
||
# ==============================================================================
|
||
# SECTION 4: MESSAGE OUTPUT
|
||
# ==============================================================================
|
||
|
||
# ------------------------------------------------------------------------------
|
||
# msg_info()
|
||
#
|
||
# - Displays informational message with spinner animation
|
||
# - Shows each unique message only once (tracked via MSG_INFO_SHOWN)
|
||
# - In verbose/Alpine mode: shows hourglass icon instead of spinner
|
||
# - Stops any existing spinner before starting new one
|
||
# - Backgrounds spinner process and stores PID for later cleanup
|
||
# ------------------------------------------------------------------------------
|
||
msg_info() {
|
||
local msg="$1"
|
||
[[ -z "$msg" ]] && return
|
||
|
||
if ! declare -p MSG_INFO_SHOWN &>/dev/null || ! declare -A MSG_INFO_SHOWN &>/dev/null; then
|
||
declare -gA MSG_INFO_SHOWN=()
|
||
fi
|
||
[[ -n "${MSG_INFO_SHOWN["$msg"]+x}" ]] && return
|
||
MSG_INFO_SHOWN["$msg"]=1
|
||
|
||
stop_spinner
|
||
SPINNER_MSG="$msg"
|
||
|
||
if is_verbose_mode || is_alpine; then
|
||
local HOURGLASS="${TAB}⏳${TAB}"
|
||
printf "\r\e[2K%s %b" "$HOURGLASS" "${YW}${msg}${CL}" >&2
|
||
|
||
# Pause mode: Wait for Enter after each step
|
||
if [[ "${DEV_MODE_PAUSE:-false}" == "true" ]]; then
|
||
echo -en "\n${YWB}[PAUSE]${CL} Press Enter to continue..." >&2
|
||
read -r
|
||
fi
|
||
return
|
||
fi
|
||
|
||
color_spinner
|
||
spinner &
|
||
SPINNER_PID=$!
|
||
echo "$SPINNER_PID" >/tmp/.spinner.pid
|
||
disown "$SPINNER_PID" 2>/dev/null || true
|
||
|
||
# Pause mode: Stop spinner and wait
|
||
if [[ "${DEV_MODE_PAUSE:-false}" == "true" ]]; then
|
||
stop_spinner
|
||
echo -en "\n${YWB}[PAUSE]${CL} Press Enter to continue..." >&2
|
||
read -r
|
||
fi
|
||
}
|
||
|
||
# ------------------------------------------------------------------------------
|
||
# msg_ok()
|
||
#
|
||
# - Displays success message with checkmark icon
|
||
# - Stops spinner and clears line before output
|
||
# - Removes message from MSG_INFO_SHOWN to allow re-display
|
||
# - Uses green color for success indication
|
||
# ------------------------------------------------------------------------------
|
||
msg_ok() {
|
||
local msg="$1"
|
||
[[ -z "$msg" ]] && return
|
||
stop_spinner
|
||
clear_line
|
||
echo -e "$CM ${GN}${msg}${CL}"
|
||
unset MSG_INFO_SHOWN["$msg"]
|
||
}
|
||
|
||
# ------------------------------------------------------------------------------
|
||
# msg_error()
|
||
#
|
||
# - Displays error message with cross/X icon
|
||
# - Stops spinner before output
|
||
# - Uses red color for error indication
|
||
# - Outputs to stderr
|
||
# ------------------------------------------------------------------------------
|
||
msg_error() {
|
||
stop_spinner
|
||
local msg="$1"
|
||
echo -e "${BFR:-}${CROSS:-✖️} ${RD}${msg}${CL}" >&2
|
||
}
|
||
|
||
# ------------------------------------------------------------------------------
|
||
# msg_warn()
|
||
#
|
||
# - Displays warning message with info/lightbulb icon
|
||
# - Stops spinner before output
|
||
# - Uses bright yellow color for warning indication
|
||
# - Outputs to stderr
|
||
# ------------------------------------------------------------------------------
|
||
msg_warn() {
|
||
stop_spinner
|
||
local msg="$1"
|
||
echo -e "${BFR:-}${INFO:-ℹ️} ${YWB}${msg}${CL}" >&2
|
||
}
|
||
|
||
# ------------------------------------------------------------------------------
|
||
# msg_custom()
|
||
#
|
||
# - Displays custom message with user-defined symbol and color
|
||
# - Arguments: symbol, color code, message text
|
||
# - Stops spinner before output
|
||
# - Useful for specialized status messages
|
||
# ------------------------------------------------------------------------------
|
||
msg_custom() {
|
||
local symbol="${1:-"[*]"}"
|
||
local color="${2:-"\e[36m"}"
|
||
local msg="${3:-}"
|
||
[[ -z "$msg" ]] && return
|
||
stop_spinner
|
||
echo -e "${BFR:-} ${symbol} ${color}${msg}${CL:-\e[0m}"
|
||
}
|
||
|
||
# ------------------------------------------------------------------------------
|
||
# msg_debug()
|
||
#
|
||
# - Displays debug message with timestamp when var_full_verbose=1
|
||
# - Automatically enables var_verbose if not already set
|
||
# - Shows date/time prefix for log correlation
|
||
# - Uses bright yellow color for debug output
|
||
# ------------------------------------------------------------------------------
|
||
msg_debug() {
|
||
if [[ "${var_full_verbose:-0}" == "1" ]]; then
|
||
[[ "${var_verbose:-0}" != "1" ]] && var_verbose=1
|
||
echo -e "${YWB}[$(date '+%F %T')] [DEBUG]${CL} $*"
|
||
fi
|
||
}
|
||
|
||
# ------------------------------------------------------------------------------
|
||
# msg_dev()
|
||
#
|
||
# - Display development mode messages with 🔧 icon
|
||
# - Only shown when dev_mode is active
|
||
# - Useful for debugging and development-specific output
|
||
# - Format: [DEV] message with distinct formatting
|
||
# - Usage: msg_dev "Container ready for debugging"
|
||
# ------------------------------------------------------------------------------
|
||
msg_dev() {
|
||
if [[ -n "${dev_mode:-}" ]]; then
|
||
echo -e "${SEARCH}${BOLD}${DGN}🔧 [DEV]${CL} $*"
|
||
fi
|
||
}
|
||
#
|
||
# - Displays error message and immediately terminates script
|
||
# - Sends SIGINT to current process to trigger error handler
|
||
# - Use for unrecoverable errors that require immediate exit
|
||
# ------------------------------------------------------------------------------
|
||
fatal() {
|
||
msg_error "$1"
|
||
kill -INT $$
|
||
}
|
||
|
||
# ==============================================================================
|
||
# SECTION 5: UTILITY FUNCTIONS
|
||
# ==============================================================================
|
||
|
||
# ------------------------------------------------------------------------------
|
||
# exit_script()
|
||
#
|
||
# - Called when user cancels an action
|
||
# - Clears screen and displays exit message
|
||
# - Exits with default exit code
|
||
# ------------------------------------------------------------------------------
|
||
exit_script() {
|
||
clear
|
||
echo -e "\n${CROSS}${RD}User exited script${CL}\n"
|
||
exit
|
||
}
|
||
|
||
# ------------------------------------------------------------------------------
|
||
# get_header()
|
||
#
|
||
# - Downloads and caches application header ASCII art
|
||
# - Falls back to local cache if already downloaded
|
||
# - Determines app type (ct/vm) from APP_TYPE variable
|
||
# - Returns header content or empty string on failure
|
||
# ------------------------------------------------------------------------------
|
||
get_header() {
|
||
local app_name=$(echo "${APP,,}" | tr -d ' ')
|
||
local app_type=${APP_TYPE:-ct} # Default zu 'ct' falls nicht gesetzt
|
||
local header_url="https://git.community-scripts.org/community-scripts/ProxmoxVED/raw/branch/main/${app_type}/headers/${app_name}"
|
||
local local_header_path="/usr/local/community-scripts/headers/${app_type}/${app_name}"
|
||
|
||
mkdir -p "$(dirname "$local_header_path")"
|
||
|
||
if [ ! -s "$local_header_path" ]; then
|
||
if ! curl -fsSL "$header_url" -o "$local_header_path"; then
|
||
return 1
|
||
fi
|
||
fi
|
||
|
||
cat "$local_header_path" 2>/dev/null || true
|
||
}
|
||
|
||
# ------------------------------------------------------------------------------
|
||
# header_info()
|
||
#
|
||
# - Displays application header ASCII art at top of screen
|
||
# - Clears screen before displaying header
|
||
# - Detects terminal width for formatting
|
||
# - Returns silently if header not available
|
||
# ------------------------------------------------------------------------------
|
||
header_info() {
|
||
local app_name=$(echo "${APP,,}" | tr -d ' ')
|
||
local header_content
|
||
|
||
header_content=$(get_header "$app_name") || header_content=""
|
||
|
||
clear
|
||
local term_width
|
||
term_width=$(tput cols 2>/dev/null || echo 120)
|
||
|
||
if [ -n "$header_content" ]; then
|
||
echo "$header_content"
|
||
fi
|
||
}
|
||
|
||
# ------------------------------------------------------------------------------
|
||
# ensure_tput()
|
||
#
|
||
# - Ensures tput command is available for terminal control
|
||
# - Installs ncurses-bin on Debian/Ubuntu or ncurses on Alpine
|
||
# - Required for clear_line() and terminal width detection
|
||
# ------------------------------------------------------------------------------
|
||
ensure_tput() {
|
||
if ! command -v tput >/dev/null 2>&1; then
|
||
if grep -qi 'alpine' /etc/os-release; then
|
||
apk add --no-cache ncurses >/dev/null 2>&1
|
||
elif command -v apt-get >/dev/null 2>&1; then
|
||
apt-get update -qq >/dev/null
|
||
apt-get install -y -qq ncurses-bin >/dev/null 2>&1
|
||
fi
|
||
fi
|
||
}
|
||
|
||
# ------------------------------------------------------------------------------
|
||
# is_alpine()
|
||
#
|
||
# - Detects if running on Alpine Linux
|
||
# - Checks var_os, PCT_OSTYPE, or /etc/os-release
|
||
# - Returns 0 if Alpine, 1 otherwise
|
||
# - Used to adjust behavior for Alpine-specific commands
|
||
# ------------------------------------------------------------------------------
|
||
is_alpine() {
|
||
local os_id="${var_os:-${PCT_OSTYPE:-}}"
|
||
|
||
if [[ -z "$os_id" && -f /etc/os-release ]]; then
|
||
os_id="$(
|
||
. /etc/os-release 2>/dev/null
|
||
echo "${ID:-}"
|
||
)"
|
||
fi
|
||
|
||
[[ "$os_id" == "alpine" ]]
|
||
}
|
||
|
||
# ------------------------------------------------------------------------------
|
||
# is_verbose_mode()
|
||
#
|
||
# - Determines if script should run in verbose mode
|
||
# - Checks VERBOSE and var_verbose variables
|
||
# - Also returns true if not running in TTY (pipe/redirect scenario)
|
||
# - Used by msg_info() to decide between spinner and static output
|
||
# ------------------------------------------------------------------------------
|
||
is_verbose_mode() {
|
||
local verbose="${VERBOSE:-${var_verbose:-no}}"
|
||
local tty_status
|
||
if [[ -t 2 ]]; then
|
||
tty_status="interactive"
|
||
else
|
||
tty_status="not-a-tty"
|
||
fi
|
||
[[ "$verbose" != "no" || ! -t 2 ]]
|
||
}
|
||
|
||
# ==============================================================================
|
||
# SECTION 6: CLEANUP & MAINTENANCE
|
||
# ==============================================================================
|
||
|
||
# ------------------------------------------------------------------------------
|
||
# cleanup_lxc()
|
||
#
|
||
# - Comprehensive cleanup of package managers, caches, and logs
|
||
# - Supports Alpine (apk), Debian/Ubuntu (apt), and language package managers
|
||
# - Cleans: Python (pip/uv), Node.js (npm/yarn/pnpm), Go, Rust, Ruby, PHP
|
||
# - Truncates log files and vacuums systemd journal
|
||
# - Run at end of container creation to minimize disk usage
|
||
# ------------------------------------------------------------------------------
|
||
cleanup_lxc() {
|
||
msg_info "Cleaning up"
|
||
|
||
if is_alpine; then
|
||
$STD apk cache clean || true
|
||
rm -rf /var/cache/apk/*
|
||
else
|
||
$STD apt -y autoremove || true
|
||
$STD apt -y autoclean || true
|
||
$STD apt -y clean || true
|
||
fi
|
||
|
||
# Clear temp artifacts (keep sockets/FIFOs; ignore errors)
|
||
find /tmp /var/tmp -type f -name 'tmp*' -delete 2>/dev/null || true
|
||
find /tmp /var/tmp -type f -name 'tempfile*' -delete 2>/dev/null || true
|
||
|
||
# Truncate writable log files silently (permission errors ignored)
|
||
if command -v truncate >/dev/null 2>&1; then
|
||
find /var/log -type f -writable -print0 2>/dev/null |
|
||
xargs -0 -n1 truncate -s 0 2>/dev/null || true
|
||
fi
|
||
|
||
# Node.js npm
|
||
if command -v npm &>/dev/null; then $STD npm cache clean --force || true; fi
|
||
# Node.js yarn
|
||
if command -v yarn &>/dev/null; then $STD yarn cache clean || true; fi
|
||
# Node.js pnpm
|
||
if command -v pnpm &>/dev/null; then $STD pnpm store prune || true; fi
|
||
# Go
|
||
if command -v go &>/dev/null; then $STD go clean -cache -modcache || true; fi
|
||
# Rust cargo
|
||
if command -v cargo &>/dev/null; then $STD cargo clean || true; fi
|
||
# Ruby gem
|
||
if command -v gem &>/dev/null; then $STD gem cleanup || true; fi
|
||
# Composer (PHP)
|
||
if command -v composer &>/dev/null; then $STD composer clear-cache || true; fi
|
||
|
||
if command -v journalctl &>/dev/null; then
|
||
$STD journalctl --vacuum-time=10m || true
|
||
fi
|
||
msg_ok "Cleaned"
|
||
}
|
||
|
||
# ------------------------------------------------------------------------------
|
||
# check_or_create_swap()
|
||
#
|
||
# - Checks if swap is active on system
|
||
# - Offers to create swap file if none exists
|
||
# - Prompts user for swap size in MB
|
||
# - Creates /swapfile with specified size
|
||
# - Activates swap immediately
|
||
# - Returns 0 if swap active or successfully created, 1 if declined/failed
|
||
# ------------------------------------------------------------------------------
|
||
check_or_create_swap() {
|
||
msg_info "Checking for active swap"
|
||
|
||
if swapon --noheadings --show | grep -q 'swap'; then
|
||
msg_ok "Swap is active"
|
||
return 0
|
||
fi
|
||
|
||
msg_error "No active swap detected"
|
||
|
||
read -p "Do you want to create a swap file? [y/N]: " create_swap
|
||
create_swap="${create_swap,,}" # to lowercase
|
||
|
||
if [[ "$create_swap" != "y" && "$create_swap" != "yes" ]]; then
|
||
msg_info "Skipping swap file creation"
|
||
return 1
|
||
fi
|
||
|
||
read -p "Enter swap size in MB (e.g., 2048 for 2GB): " swap_size_mb
|
||
if ! [[ "$swap_size_mb" =~ ^[0-9]+$ ]]; then
|
||
msg_error "Invalid size input. Aborting."
|
||
return 1
|
||
fi
|
||
|
||
local swap_file="/swapfile"
|
||
|
||
msg_info "Creating ${swap_size_mb}MB swap file at $swap_file"
|
||
if dd if=/dev/zero of="$swap_file" bs=1M count="$swap_size_mb" status=progress &&
|
||
chmod 600 "$swap_file" &&
|
||
mkswap "$swap_file" &&
|
||
swapon "$swap_file"; then
|
||
msg_ok "Swap file created and activated successfully"
|
||
else
|
||
msg_error "Failed to create or activate swap"
|
||
return 1
|
||
fi
|
||
}
|
||
|
||
# ==============================================================================
|
||
# SIGNAL TRAPS
|
||
# ==============================================================================
|
||
|
||
trap 'stop_spinner' EXIT INT TERM
|