Inital Commit

root/DEBIAN/control

@@ -0,0 +1,10 @@
+Package: pve-lxc
+Version: 1.0.0
+Architecture:
+Installed-Size:
+Depends: findutils, nano, wget, xz-utils
+Priority: optional
+Section: misc
+Homepage: http://www.privlab.it
+Maintainer: PrivLab <hostmaster@privlab.it>
+Description: Proxmox Virtual Environment Linux Container Tool

root/usr/lib/pve-lxc/arm64_debian_bookworm.txt

@@ -0,0 +1,66 @@
+## Cleanup Path Specification
+##    Path specification to the files or folders
+##    which will be deleted from the container.
+##
+/boot/*
+/dev/*
+/etc/.??*
+/etc/group-
+/etc/gshadow-
+/etc/ld.so.cache
+/etc/machine-id
+/etc/passwd-
+/etc/shadow-
+/etc/ssh/ssh_host_*
+/etc/ssl/certs/*
+/etc/ssl/crt/*
+/etc/ssl/dhpem/*
+/etc/ssl/key/*
+/etc/systemd/network/*
+/etc/systemd/system/getty.target.wants/container-*
+/etc/udev/hwdb.bin
+/etc/xml/catalog.old
+/etc/xml/polkitd.xml.old
+/etc/xml/xml-core.xml.old
+/media/*
+/mnt/*
+/opt/*
+/proc/*
+/root/*
+/root/.bash_history
+/root/.cache
+/root/.config
+/root/.gnupg
+/root/.lesshst
+/root/.local
+/root/.nano
+/root/.ssh
+/root/.wget-hsts
+/run/*
+/srv/*
+/sys/*
+/tmp/*
+/tmp/.??*
+/usr/lib/udev/hwdb.bin
+/var/backups/*
+/var/cache/adduser/*
+/var/cache/apt/*
+/var/cache/debconf/*
+/var/cache/ldconfig/*
+/var/cache/man/*
+/var/lib/apt/daily_lock
+/var/lib/apt/lists/*
+/var/lib/apt/mirrors/*
+/var/lib/apt/periodic/*
+/var/lib/dpkg/*-old
+/var/lib/logrotate/*
+/var/lib/sgml-base/*
+/var/lib/sudo/lectured/*
+/var/lib/systemd/coredump
+/var/lib/systemd/linger
+/var/lib/systemd/pstore
+/var/lib/systemd/timers
+/var/lib/ucf/*
+/var/log/apt/eipp.log.xz
+/var/tmp/*
+/var/trash/*

root/usr/lib/pve-lxc/arm64_ubuntu_noble-numbat.txt

@@ -0,0 +1,67 @@
+## Cleanup Path Specification
+##    Path specification to the files or folders
+##    which will be deleted from the container.
+##
+/boot/*
+/dev/*
+/etc/.??*
+/etc/group-
+/etc/gshadow-
+/etc/ld.so.cache
+/etc/machine-id
+/etc/passwd-
+/etc/shadow-
+/etc/ssh/ssh_host_*
+/etc/ssl/certs/*
+/etc/ssl/crt/*
+/etc/ssl/dhpem/*
+/etc/ssl/key/*
+/etc/systemd/network/*
+/etc/systemd/system/getty.target.wants/container-*
+/etc/udev/hwdb.bin
+/etc/xml/catalog.old
+/etc/xml/polkitd.xml.old
+/etc/xml/xml-core.xml.old
+/media/*
+/mnt/*
+/opt/*
+/proc/*
+/root/*
+/root/.bash_history
+/root/.cache
+/root/.config
+/root/.gnupg
+/root/.lesshst
+/root/.local
+/root/.nano
+/root/.ssh
+/root/.wget-hsts
+/run/*
+/srv/*
+/sys/*
+/tmp/*
+/tmp/.??*
+/usr/lib/udev/hwdb.bin
+/var/backups/*
+/var/cache/adduser/*
+/var/cache/apt/*
+/var/cache/debconf/*
+/var/cache/ldconfig/*
+/var/cache/man/*
+/var/lib/apt/daily_lock
+/var/lib/apt/lists/*
+/var/lib/apt/mirrors/*
+/var/lib/apt/periodic/*
+/var/lib/dpkg/*-old
+/var/lib/logrotate/*
+/var/lib/sgml-base/*
+/var/lib/sudo/lectured/*
+/var/lib/systemd/coredump
+/var/lib/systemd/ephemeral-trees
+/var/lib/systemd/linger
+/var/lib/systemd/pstore
+/var/lib/systemd/timers
+/var/lib/ucf/*
+/var/log/apt/eipp.log.xz
+/var/tmp/*
+/var/trash/*

root/usr/lib/pve-lxc/default.txt

@@ -0,0 +1,13 @@
+## Cleanup Path Specification
+##    Path specification to the files or folders
+##    which will be deleted from the image.
+##
+/dev/*
+/media/*
+/mnt/*
+/proc/*
+/run/*
+/sys/*
+/tmp/*
+/tmp/.??*
+/var/tmp/*

root/usr/lib/pve-lxc/hostname

@@ -0,0 +1 @@
+LXC_NAME

root/usr/lib/pve-lxc/hosts

@@ -0,0 +1,33 @@
+## System Host File
+##
+## This file describes a number of netname-to-address
+## mappings for the TCP/IP subsystem. It is mostly
+## used at boot time, when no name servers are running.
+
+##
+## IPv4
+##
+
+# Loopback
+127.0.0.1                                 localhost
+
+# Network
+# --- BEGIN PVE ---
+# --- END PVE ---
+
+##
+## IPv6
+##
+
+# Loopback
+::1                                       ip6-localhost ip6-loopback
+
+# Link-Local
+fe00::0                                   ip6-localnet
+
+# Multicast
+ff00::0                                   ip6-mcastprefix
+ff02::1                                   ip6-allnodes
+ff02::2                                   ip6-allrouters
+
+# Network

root/usr/lib/pve-lxc/interfaces

@@ -0,0 +1,5 @@
+# interfaces(5) file used by ifup(8) and ifdown(8)
+auto lo
+iface lo inet loopback
+
+source /etc/network/interfaces.d/*

root/usr/lib/pve-lxc/resolv.conf

@@ -0,0 +1,2 @@
+# --- BEGIN PVE ---
+# --- END PVE ---

root/usr/sbin/pve-lxc

@@ -0,0 +1,362 @@
+#!/usr/bin/env bash
+
+
+###
+#
+# Options Section
+#
+###
+
+set -e
+set -u
+set -o pipefail
+
+
+###
+#
+# Function Section
+#
+###
+
+function ct_check () {
+  message 'Check container consistency'
+  /usr/bin/test -d "${CT_REALPATH}" || \
+    error '\r\rCheck container consistency \xE2\x9D\x8C\n' \
+          '  \xE2\x86\x92 Error: The selected folder can not be found.\n'
+  message '\r\rCheck container consistency \xE2\x9C\x94\n'
+}
+
+function error () {
+  if [ -n "${1:-}" ]; then
+    /usr/bin/echo -n -e "${1}"
+  fi
+  if [ -n "${2:-}" ]; then
+    /usr/bin/echo -n -e "${2}"
+  fi
+  exit 1
+}
+
+function help () {
+  local HELP
+  case "${1}" in
+    command)
+      read -r -d '' HELP << EOL
+Usage: pve-lxc (OPTION) (CONTAINER)
+
+Options:
+  [ -a ] [ CONTAINER ]  |  Archive Container
+  [ -c ] [ CONTAINER ]  |  Chroot Container
+  [ -h ]                |  Help
+  [ -p ] [ CONTAINER ]  |  Prepare Container
+  [ -r ] [ CONTAINER ]  |  Container Repository
+EOL
+    ;;
+    archive)
+      read -r -d '' HELP << EOL
+Usage: pve-lxc -a (CONTAINER)
+
+Description:
+  Compresses the container with
+  the data compression format
+  'xz' and generates a hash sum
+  of it.
+EOL
+    ;;
+    chroot)
+      read -r -d '' HELP << EOL
+Usage: pve-lxc -c (CONTAINER)
+
+Description:
+  Change the root environment
+  into the container.
+EOL
+    ;;
+    prepare)
+      read -r -d '' HELP << EOL
+Usage: pve-lxc -p (CONTAINER)
+
+Description:
+  Prepare and/or clean up the
+  container.
+EOL
+    ;;
+    repository)
+      read -r -d '' HELP << EOL
+Usage: pve-lxc -r (CONTAINER)
+
+Description:
+  Download one of the following
+  images from the repository.
+
+  - Debian GNU/Linux [ARM64]
+    - arm64_debian_bookworm
+  - Ubuntu GNU/Linux [ARM64]
+    - arm64_ubuntu_noble-numbat
+EOL
+    ;;
+  esac
+  /usr/bin/echo -e "${HELP}"
+}
+
+function message () {
+  if [ -n "${1:-}" ]; then
+    /usr/bin/echo -n -e "${1}"
+  fi
+}
+
+
+###
+#
+# Runtime Environment
+#
+###
+
+/usr/bin/echo -e 'Proxmox Virtual Environment Container Tool\n'
+
+if [[ "${EUID}" -ne '0' ]]; then
+  /usr/bin/echo -e 'Error: Permission Denied'
+  exit 1
+fi
+
+while getopts ':a:c:hp:r:' OPT; do
+  case "${OPT}" in
+    a)
+      CT_BASENAME=$(/usr/bin/basename "${OPTARG}")
+      CT_REALPATH=$(/usr/bin/realpath "${OPTARG}")
+      CT_DIRNAME=$(/usr/bin/dirname "${CT_REALPATH}")
+      ct_check
+      message 'Compress container'
+      /usr/bin/tar --create --use-compress-program="/usr/bin/xz -9 --extreme" --file "${CT_DIRNAME}/${CT_BASENAME}.tar.xz" --directory="${CT_REALPATH}" '.' || \
+        error '\r\rGenerate container \xE2\x9D\x8C\n' \
+              '  \xE2\x86\x92 Error: The container path can not be compressed.\n'
+      message '\r\rGenerate container \xE2\x9C\x94\n'
+      message 'Generate hash'
+      /usr/bin/sha512sum "${CT_DIRNAME}/${CT_BASENAME}.tar.xz" | /usr/bin/sed --expression='s, .*/,  ,' >> "${CT_DIRNAME}/${CT_BASENAME}.tar.xz.sha512sum" || \
+        error '\r\rGenerate hash \xE2\x9D\x8C\n' \
+              '  \xE2\x86\x92 Error: The container hash can not be generated.\n'
+      message '\r\rGenerate hash \xE2\x9C\x94\n'
+      exit 0
+    ;;
+    c)
+      CT_BASENAME=$(/usr/bin/basename "${OPTARG}")
+      CT_REALPATH=$(/usr/bin/realpath "${OPTARG}")
+      ct_check
+      message "Bind filesystem '/dev'"
+      if ! /usr/bin/grep --quiet "${CT_REALPATH}/dev" '/proc/mounts'; then
+        /usr/bin/mount --bind '/dev' --target "${CT_REALPATH}/dev" &> '/dev/null' || \
+          error "\r\rBind filesystem '/dev' \xE2\x9D\x8C\n" \
+                '  \xE2\x86\x92 Error: The filesystem can not be binded.\n'
+      fi
+      message "\r\rBind filesystem '/dev' \xE2\x9C\x94\n"
+      message "Bind filesystem '/dev/pts'"
+      if ! /usr/bin/grep --quiet "${CT_REALPATH}/dev/pts" '/proc/mounts'; then
+        /usr/bin/mount --bind '/dev/pts' --target "${CT_REALPATH}/dev/pts" &> '/dev/null' || \
+          error "\r\rBind filesystem '/dev/pts' \xE2\x9D\x8C\n" \
+                '  \xE2\x86\x92 Error: The filesystem can not be binded.\n'
+      fi
+      message "\r\rBind filesystem '/dev/pts' \xE2\x9C\x94\n"
+      message "Bind filesystem '/dev/mqueue'"
+      if ! /usr/bin/grep --quiet "${CT_REALPATH}/dev/mqueue" '/proc/mounts'; then
+        /usr/bin/mount --bind '/dev/mqueue' --target "${CT_REALPATH}/dev/mqueue" &> '/dev/null' || \
+          error "\r\rBind filesystem '/dev/mqueue' \xE2\x9D\x8C\n" \
+                '  \xE2\x86\x92 Error: The filesystem can not be bounded.\n'
+      fi
+      message "\r\rBind filesystem '/dev/mqueue' \xE2\x9C\x94\n"
+      message "Slave filesystem '/dev'"
+      if ! /usr/bin/grep --quiet "${CT_REALPATH}/dev" '/proc/mounts'; then
+        /usr/bin/mount --make-rslave --target "${CT_REALPATH}/dev" &> '/dev/null' || \
+          error "\r\rSlave filesystem '/dev' \xE2\x9D\x8C\n" \
+                '  \xE2\x86\x92 Error: The filesystem can not be slaved.\n'
+      fi
+      message "\r\rSlave filesystem '/dev' \xE2\x9C\x94\n"
+      message "Bind filesystem '/proc'"
+      if ! /usr/bin/grep --quiet "${CT_REALPATH}/proc" '/proc/mounts'; then
+        /usr/bin/mount --types 'proc' --source '/proc' --target "${CT_REALPATH}/proc" &> '/dev/null' || \
+          error "\r\rBind filesystem '/proc' \xE2\x9D\x8C\n" \
+                '  \xE2\x86\x92 Error: The filesystem can not be bounded.\n'
+      fi
+      message "\r\rBind filesystem '/proc' \xE2\x9C\x94\n"
+      message "Bind filesystem '/sys'"
+      if ! /usr/bin/grep --quiet "${CT_REALPATH}/sys" '/proc/mounts'; then
+        /usr/bin/mount --types 'sysfs' --source '/sys' --target "${CT_REALPATH}/sys" &> '/dev/null' || \
+          error "\r\rBind filesystem '/sys' \xE2\x9D\x8C\n" \
+                '  \xE2\x86\x92 Error: The filesystem can not be bounded.\n'
+      fi
+      message "\r\rBind filesystem '/sys' \xE2\x9C\x94\n"
+
+      message 'Prepare System-Resolver'
+      RESOLVCONF='0'
+      if [[ -L "${CT_REALPATH}/etc/resolv.conf" ]]; then
+        RESOLVCONF='1'
+        /usr/bin/unlink "${CT_REALPATH}/etc/resolv.conf" || \
+          error '\r\rPrepare System-Resolver \xE2\x9D\x8C\n' \
+                '  \xE2\x86\x92 Error: The resolv.conf can not be unlinked.\n'
+      fi
+      /usr/bin/cp --force '/etc/resolv.conf' "${CT_REALPATH}/etc/resolv.conf" || \
+        error '\r\rPrepare System-Resolver \xE2\x9D\x8C\n' \
+              '  \xE2\x86\x92 Error: The resolv.conf can not be copied.\n'
+      message '\r\rPrepare System-Resolver \xE2\x9C\x94\n'
+
+      message '\n ... exit chroot environment ... \n\n'
+      /usr/bin/sleep '3s'
+      /usr/sbin/chroot "${CT_REALPATH}" || true
+      message '\n ... exit chroot environment ... \n\n'
+      /usr/bin/sleep '3s'
+
+      message 'Reset System-Resolver'
+      /usr/bin/rm --force "${CT_REALPATH}/etc/resolv.conf" || \
+        error '\r\rReset System-Resolver \xE2\x9D\x8C\n' \
+              '  \xE2\x86\x92 Error: The resolv.conf can not be removed.\n'
+      if [[ "${RESOLVCONF}" == '1' ]]; then
+        /usr/bin/ln --force --symbolic '../run/systemd/resolve/stub-resolv.conf' "${CT_REALPATH}/etc/resolv.conf" || \
+          error '\r\rReset System-Resolver \xE2\x9D\x8C\n' \
+                '  \xE2\x86\x92 Error: The resolv.conf can not be linked.\n'
+      fi
+      unset RESOLVCONF
+      message '\r\rReset System-Resolver \xE2\x9C\x94\n'
+
+      message "Unbind filesystem '/dev'"
+      if /usr/bin/grep --quiet "${CT_REALPATH}/dev" '/proc/mounts'; then
+        /usr/bin/umount --recursive "${CT_REALPATH}/dev" || \
+          error "\r\rUnbind filesystem '/dev' \xE2\x9D\x8C\n" \
+                '  \xE2\x86\x92 Error: The filesystem can not be unbound.\n'
+      fi
+      message "\r\rUnbind filesystem '/dev' \xE2\x9C\x94\n"
+      message "Unbind filesystem '/proc'"
+      if /usr/bin/grep --quiet "${CT_REALPATH}/proc" '/proc/mounts'; then
+        /usr/bin/umount --recursive "${CT_REALPATH}/proc" || \
+          error "\r\rUnbind filesystem '/proc' \xE2\x9D\x8C\n" \
+                '  \xE2\x86\x92 Error: The filesystem can not be unbound.\n'
+      fi
+      message "\r\rUnbind filesystem '/proc' \xE2\x9C\x94\n"
+      message "Unbind filesystem '/sys'"
+      if /usr/bin/grep --quiet "${CT_REALPATH}/sys" '/proc/mounts'; then
+        /usr/bin/umount --recursive "${CT_REALPATH}/sys" || \
+          error "\r\rUnbind filesystem '/sys' \xE2\x9D\x8C\n" \
+                '  \xE2\x86\x92 Error: The filesystem can not be unbound.\n'
+      fi
+      message "\r\rUnbind filesystem '/sys' \xE2\x9C\x94\n"
+      exit 0
+    ;;
+    h)
+      set +e
+      help 'command'
+      exit 0
+    ;;
+    p)
+      CT_BASENAME=$(/usr/bin/basename "${OPTARG}")
+      CT_REALPATH=$(/usr/bin/realpath "${OPTARG}")
+      CT_DIRNAME=$(/usr/bin/dirname "${CT_REALPATH}")
+      ct_check
+      message 'Open filelist'
+      if [ -f "/usr/lib/pve-lxc/${CT_BASENAME}.txt" ]; then
+        /usr/bin/cp --update='none' "/usr/lib/pve-lxc/${CT_BASENAME}.txt" "${CT_DIRNAME}/${CT_BASENAME}.txt" || \
+          error '\r\rOpen filelist \xE2\x9D\x8C\n' \
+                '  \xE2\x86\x92 Error: The filelist can not be copied.\n'
+      elif [[ ! -f "/usr/lib/pve-lxc/${CT_BASENAME}.txt" ]]; then
+        /usr/bin/cp --update='none' "/usr/lib/pve-lxc/default.txt" "${CT_DIRNAME}/${CT_BASENAME}.txt" || \
+          error '\r\rOpen filelist \xE2\x9D\x8C\n' \
+                '  \xE2\x86\x92 Error: The filelist can not be copied.\n'
+      fi
+      /usr/bin/nano "${CT_DIRNAME}/${CT_BASENAME}.txt" || \
+        error '\r\rOpen filelist \xE2\x9D\x8C\n' \
+              '  \xE2\x86\x92 Error: The filelist can not be opened.\n'
+      message '\r\rOpen filelist \xE2\x9C\x94\n'
+      message 'Remove files'
+      mapfile -t CLEANUP_LIST < <(/usr/bin/cat "${CT_DIRNAME}/${CT_BASENAME}.txt" | /usr/bin/sed '/#.*/d' | while read -r CLEANUP_PATH; do /usr/bin/echo "${CT_REALPATH}${CLEANUP_PATH}"; done)
+      for CLEANUP_LIST in "${CLEANUP_LIST[@]}"; do
+        /usr/bin/sh -c "/usr/bin/ls --directory ${CLEANUP_LIST} | /usr/bin/xargs /usr/bin/rm --force --recursive" &> '/dev/null' || \
+        error '\r\rRemove files \xE2\x9D\x8C\n' \
+              "  \xE2\x86\x92 Error: The file or directory >${CLEANUP_LIST}< can not be removed.\n"
+      done
+      unset CLEANUP_LIST
+      message '\r\rRemove files \xE2\x9C\x94\n'
+      message 'Create configuration'
+      /usr/bin/test -f "${CT_REALPATH}/etc/hostname" && \
+        /usr/bin/cp --force '/usr/lib/pve-lxc/hostname' "${CT_REALPATH}/etc/hostname"
+      /usr/bin/test -f "${CT_REALPATH}/etc/hosts" && \
+        /usr/bin/cp --force '/usr/lib/pve-lxc/hosts' "${CT_REALPATH}/etc/hosts"
+      /usr/bin/test -f "${CT_REALPATH}/etc/network/interfaces" && \
+        /usr/bin/cp --force '/usr/lib/pve-lxc/interfaces' "${CT_REALPATH}/etc/network/interfaces"
+      /usr/bin/test -f "${CT_REALPATH}/etc/resolv.conf" && \
+        /usr/bin/cp --force '/usr/lib/pve-lxc/resolv.conf' "${CT_REALPATH}/etc/resolv.conf"
+      message '\r\rCreate configuration \xE2\x9C\x94\n'
+      message 'Clear logfiles'
+      mapfile -t CLEANUP_LIST < <(/usr/bin/find "${CT_REALPATH}/var/log" -type 'f')
+      for CLEANUP_LIST in "${CLEANUP_LIST[@]}"; do
+        /usr/bin/dd if=/dev/null of="${CLEANUP_LIST}" &> '/dev/null' || \
+          error '\r\rClear logfiles \xE2\x9D\x8C\n' \
+                "  \xE2\x86\x92 Error: The file >${CLEANUP_LIST}< can not be cleared.\n"
+      done
+      unset CLEANUP_LIST
+      mapfile -t CLEANUP_LIST < <(/usr/bin/find "${CT_REALPATH}/var/logrotate" -type 'f')
+      for CLEANUP_LIST in "${CLEANUP_LIST[@]}"; do
+        /usr/bin/sh -c "/usr/bin/ls --directory ${CLEANUP_LIST} | /usr/bin/xargs /usr/bin/rm --force --recursive" &> '/dev/null' || \
+          error '\r\rClear logfiles \xE2\x9D\x8C\n' \
+                "  \xE2\x86\x92 Error: The file >${CLEANUP_LIST}< can not be removed.\n"
+      done
+      message '\r\rClear logfiles \xE2\x9C\x94\n'
+      exit 0
+    ;;
+    r)
+      message 'Download container'
+      if [[ -d "./${OPTARG}" ]]; then
+        error '\r\rDownload container \xE2\x9D\x8C\n' \
+              '  \xE2\x86\x92 Error: The container already exists.\n'
+      fi
+      /usr/bin/wget --quiet --output-document="./${OPTARG}.tar.xz" --no-hsts "https://repository.privlab.it/pve-lxc/${OPTARG}.tar.xz" &> '/dev/null' || \
+        error '\r\rDownload container \xE2\x9D\x8C\n' \
+              '  \xE2\x86\x92 Error: The container can not be downloaded.\n'
+      /usr/bin/wget --quiet --output-document="./${OPTARG}.tar.xz.sha512sum" --no-hsts "https://repository.privlab.it/pve-lxc/${OPTARG}.tar.xz.sha512sum" &> '/dev/null' || \
+        error '\r\rDownload container \xE2\x9D\x8C\n' \
+              '  \xE2\x86\x92 Error: The container SHA512SUM can not be downloaded.\n'
+      message '\r\rDownload container \xE2\x9C\x94\n'
+      message 'Compare hash'
+      /usr/bin/sha512sum --check --strict "./${OPTARG}.tar.xz.sha512sum" &> '/dev/null' || \
+        error '\r\rCompare hash \xE2\x9D\x8C\n' \
+              '  \xE2\x86\x92 Error: The hash can not be verified.\n'
+      /usr/bin/rm --force "./${OPTARG}.tar.xz.sha512sum" || \
+        error '\r\rCompare hash \xE2\x9D\x8C\n' \
+              '  \xE2\x86\x92 Error: The hash can not be removed.\n'
+      message '\r\rCompare hash \xE2\x9C\x94\n'
+      message 'Decompress container'
+      /usr/bin/install --directory "./${OPTARG}" || \
+        error '\r\rDecompress container \xE2\x9D\x8C\n' \
+              '  \xE2\x86\x92 Error: The container path can not be installed.\n'
+      /usr/bin/tar --extract --file="./${OPTARG}.tar.xz" --directory="./${OPTARG}" || \
+        error '\r\rDecompress container \xE2\x9D\x8C\n' \
+              '  \xE2\x86\x92 Error: The container can not be decompressed.\n'
+      /usr/bin/rm --force "./${OPTARG}.tar.xz" || \
+        error '\r\rDecompress container \xE2\x9D\x8C\n' \
+              '  \xE2\x86\x92 Error: The compressed container can not be removed.\n'
+      message '\r\rDecompress container \xE2\x9C\x94\n'
+      exit 0
+    ;;
+    -*|*)
+      set +e
+      case "${1}" in
+        -a)
+          help 'archive'
+          exit 0
+        ;;
+        -c)
+          help 'chroot'
+          exit 0
+        ;;
+        -p)
+          help 'prepare'
+          exit 0
+        ;;
+        -r)
+          help 'repository'
+          exit 0
+        ;;
+      esac
+      help 'command'
+      exit 0
+    ;;
+  esac
+done
+set +e
+help 'command'
+shift $((OPTIND-1))