213 lines
7.7 KiB
Bash
213 lines
7.7 KiB
Bash
#!/bin/bash
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# postinst: freenas-proxmox install/upgrade/trigger script
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# Applies patches to Proxmox VE system files and installs the TrueNAS API plugin.
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# No internet access required — all files are bundled in the package.
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set -e
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INSTALL_DIR="/usr/share/freenas-proxmox"
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LIB_PATH="/usr/share"
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LOG_FILE="/var/log/freenas-proxmox-install.log"
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ZFSPLUGIN_PATH="/perl5/PVE/Storage/ZFSPlugin.pm"
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PVEMANAGER_PATH="/pve-manager/js/pvemanagerlib.js"
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APIDOC_PATH="/pve-docs/api-viewer/apidoc.js"
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FREENAS_PM_PATH="/perl5/PVE/Storage/LunCmd/FreeNAS.pm"
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REST_CLIENT_PATH="/perl5/REST/Client.pm"
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log() {
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echo "[freenas-proxmox] $*" | tee -a "$LOG_FILE"
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}
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# Detect installed Proxmox VE major version (e.g. "8" from "8.4.19")
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detect_pve_major() {
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local ver
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ver=$(dpkg-query --showformat='${Version}' --show proxmox-ve 2>/dev/null || echo "0")
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echo "${ver%%.*}"
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}
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# Detect pve-manager major.minor (e.g. "8.4" from "8.4.19").
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# Used to select minor-version-specific patches within a major series.
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detect_pve_manager_minor() {
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local ver
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ver=$(dpkg-query -W -f '${Version}' pve-manager 2>/dev/null || echo "0.0.0")
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echo "${ver%.*}"
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}
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# Find the best bundled patch for a given component and PVE version.
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# Tries {minor}.patch (e.g. 8.4.patch) first, then walks down {major}.patch,
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# {major-1}.patch, ... until a match is found.
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find_patch() {
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local component="$1"
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local major="$2"
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local minor="$3" # e.g. "8.4" — may be empty
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local patch_dir="${INSTALL_DIR}/patches/${component}"
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# Minor-version-specific patch takes priority (e.g. pvemanagerlib/8.4.patch)
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if [ -n "$minor" ] && [ -f "${patch_dir}/${minor}.patch" ]; then
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echo "${patch_dir}/${minor}.patch"
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return 0
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fi
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# Fall back to major-version patch, walking down until one is found
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local ver="$major"
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while [ "$ver" -ge 5 ]; do
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if [ -f "${patch_dir}/${ver}.patch" ]; then
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echo "${patch_dir}/${ver}.patch"
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return 0
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fi
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ver=$(( ver - 1 ))
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done
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log "WARNING: No bundled patch found for ${component} on Proxmox VE ${major}.x"
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return 1
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}
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# Apply a patch to a target file idempotently.
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# Creates a .orig backup (via patch --backup) on first application.
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apply_patch() {
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local target_rel="$1"
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local patch_file="$2"
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local label="$3"
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local target="${LIB_PATH}${target_rel}"
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[ -f "$target" ] || { log "ERROR: Target not found: ${target}"; return 1; }
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[ -f "$patch_file" ] || { log "Skipping ${label}: patch file missing"; return 0; }
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if grep -q "freenas" "$target" 2>/dev/null; then
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log "${label} is already patched — skipping"
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return 0
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fi
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log "Patching ${target} ..."
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if patch --backup --ignore-whitespace "$target" < "$patch_file" >> "$LOG_FILE" 2>&1; then
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log "${label} patched successfully"
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else
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log "ERROR: Failed to patch ${label} — see ${LOG_FILE} for details"
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return 1
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fi
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}
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install_files() {
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log "Installing ${LIB_PATH}${FREENAS_PM_PATH}"
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mkdir -p "$(dirname "${LIB_PATH}${FREENAS_PM_PATH}")"
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cp "${INSTALL_DIR}/FreeNAS.pm" "${LIB_PATH}${FREENAS_PM_PATH}"
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log "Installing ${LIB_PATH}${REST_CLIENT_PATH}"
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mkdir -p "$(dirname "${LIB_PATH}${REST_CLIENT_PATH}")"
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cp "${INSTALL_DIR}/REST-Client.pm" "${LIB_PATH}${REST_CLIENT_PATH}"
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}
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restart_pve_services() {
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log "Restarting Proxmox VE services ..."
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pvedaemon restart && log "pvedaemon restarted"
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pveproxy restart && log "pveproxy restarted"
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pvestatd restart && log "pvestatd restarted"
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systemctl restart pvescheduler.service && log "pvescheduler restarted"
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log "Done. Refresh your Proxmox browser tab to load the updated UI."
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}
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# Warn the user if their PVE version is outside the supported range for this
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# plugin version. Exits non-zero (aborting the install) only for versions so
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# old that no patches exist (< 7).
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check_pve_version() {
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local major="$1"
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if [ "$major" -lt 7 ]; then
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log "ERROR: Proxmox VE ${major}.x is not supported by this plugin."
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log " PVE 5 and 6 reached end-of-life in 2019 and 2022 respectively."
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log " Please upgrade your Proxmox VE installation before installing this plugin."
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exit 1
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fi
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if [ "$major" -eq 7 ]; then
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log "WARNING: *** Proxmox VE 7 — Important Notice ***"
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log "WARNING: v2.x is the LAST release series that supports Proxmox VE 7."
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log "WARNING: PVE 7 support is best-effort only; no new patches will be"
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log "WARNING: developed for it."
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log "WARNING: When v3.0 is released, DO NOT upgrade to it — v3.0 requires"
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log "WARNING: Proxmox VE 8 or later. Stay on the latest v2.x release."
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fi
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if [ "$major" -eq 8 ]; then
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log "INFO: Proxmox VE 8 reaches end-of-life on 2026-08-31."
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log "INFO: Plan your upgrade to PVE 9 and migration to v3.0 before that date."
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fi
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if [ "$major" -ge 9 ]; then
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log "WARNING: *** Proxmox VE ${major}.x — Not Supported by v2.x ***"
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log "WARNING: This plugin (v2.x) is not supported on Proxmox VE 9 or later."
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log "WARNING: Patches may fail to apply or the UI may not work correctly."
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log "WARNING: Please use v3.0 of this plugin, which is designed for PVE 9+."
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log "WARNING: See: https://github.com/TheGrandWazoo/freenas-proxmox/releases"
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log "WARNING: Continuing anyway — but expect problems."
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fi
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}
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# ── Entry point ──────────────────────────────────────────────────────────────
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major=$(detect_pve_major)
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pve_mgr_minor=$(detect_pve_manager_minor)
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log "Proxmox VE major version: ${major}, pve-manager: ${pve_mgr_minor}"
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check_pve_version "$major"
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case "$1" in
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triggered)
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# dpkg fired us because one of the watched PVE files was updated.
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log "Triggered by package update — re-applying patches for: $2"
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for fullpath in $2; do
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filename=$(basename "$fullpath")
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filename="${filename%.*}" # strip extension
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case "$filename" in
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ZFSPlugin)
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patch_file=$(find_patch "ZFSPlugin" "$major" "$pve_mgr_minor" || true)
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apply_patch "$ZFSPLUGIN_PATH" "$patch_file" "ZFSPlugin.pm"
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;;
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pvemanagerlib)
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patch_file=$(find_patch "pvemanagerlib" "$major" "$pve_mgr_minor" || true)
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apply_patch "$PVEMANAGER_PATH" "$patch_file" "pvemanagerlib.js"
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;;
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apidoc)
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patch_file=$(find_patch "apidoc" "$major" "$pve_mgr_minor" || true)
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apply_patch "$APIDOC_PATH" "$patch_file" "apidoc.js"
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;;
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esac
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done
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install_files
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exit 0
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;;
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configure)
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log "Configuring freenas-proxmox (previous version: ${2:-none})"
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CHANGED="no"
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patch_file=$(find_patch "ZFSPlugin" "$major" "$pve_mgr_minor" || true)
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apply_patch "$ZFSPLUGIN_PATH" "$patch_file" "ZFSPlugin.pm" && CHANGED="yes"
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patch_file=$(find_patch "pvemanagerlib" "$major" "$pve_mgr_minor" || true)
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apply_patch "$PVEMANAGER_PATH" "$patch_file" "pvemanagerlib.js" && CHANGED="yes"
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patch_file=$(find_patch "apidoc" "$major" "$pve_mgr_minor" || true)
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apply_patch "$APIDOC_PATH" "$patch_file" "apidoc.js" && CHANGED="yes"
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install_files
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CHANGED="yes"
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[ "$CHANGED" = "yes" ] && restart_pve_services
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exit 0
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;;
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abort-upgrade|abort-remove|abort-deconfigure)
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;;
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*)
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echo "$0: called with unknown argument '$1'" >&2
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exit 0
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;;
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esac
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exit 0
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