SHA256
improve installation routine and refactor code
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@@ -1,8 +1,4 @@
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#!/usr/bin/env bash
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SCRIPT_PATH=$(realpath -s "$0")
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SCRIPT_DIR=$(dirname "$SCRIPT_PATH")
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SCRIPT=$(basename "$SCRIPT_PATH")
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ETC_DIR="/etc/$SCRIPT"
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function usage() {
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cat <<EOF
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@@ -25,58 +21,14 @@ Available commands:
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EOF
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}
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function cleanup_tmpdir() {
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rm -r "$tmpdir"
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trap - EXIT
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}
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function pbc-install() {
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local update=${1:-false}
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if $update || [ ! -f "$PBC" ]; then
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local pkgfile=$(wget -q -O - "$PBC_DOWNLOAD_URL/" | grep proxmox-backup-client-static_ | tail -n 1 | sed 's#.*href="##g;s#".*##g;')
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[ -z "$pkgfile" ] && echo "Unable to determine current package file!" >&2 && exit 1
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tmpdir=$(mktemp -d)
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trap cleanup_tmpdir EXIT
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echo "Downloading $PBC_DOWNLOAD_URL/$pkgfile ..."
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! wget -q -O "$tmpdir/$pkgfile" "$PBC_DOWNLOAD_URL/$pkgfile" && echo "Error downloading package file!" >&2 && exit 2
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echo "Extracting $pkgfile ..."
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! dpkg-deb -x "$tmpdir/$pkgfile" "$tmpdir/" && echo "Error extracting package file!" >&2 && exit 3
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echo "Installing proxmox-backup-client binary to $PBC ..."
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! cp "$tmpdir/usr/bin/proxmox-backup-client" "$PBC" && echo "Error copying proxmox-backup-client binary!" >&2 && exit 4
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local version=$("$PBC" version | head -n 1)
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(( $? != 0 )) && echo "Error running $PBC version ... exited with rc=$?" >&2 && exit 5
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echo "Successfully installed proxmox-backup-$version"
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else
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local version=$("$PBC" version | head -n 1)
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(( $? != 0 )) && echo "Error running $PBC version ... exited with rc=$?" >&2 && exit 5
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echo "Binary proxmox-backup-client ($version) already installed"
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fi
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local jq=$(which jq)
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if [ -z "$jq" ]; then
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echo "Installing package jq ..."
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! apt-get install jq && echo "Error installing jq package!" >&2 && exit 6
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else
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echo "Package jq already installed"
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fi
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if [ ! -d "$ETC_DIR" ]; then
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echo "Creating config directory $ETC_DIR ..."
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mkdir -p "$ETC_DIR"
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fi
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if [ -f "$SCRIPT_DIR/config.example" ]; then
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if $update || [ ! -f "$ETC_DIR/config.example" ]; then
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echo "Copy example config to $ETC_DIR/config.example ..."
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cp "$SCRIPT_DIR/config.example" "$ETC_DIR/config.example"
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fi
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fi
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echo "Installation successful!"
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function pbc-version() {
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local vers_info=$("$PBC" version)
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local rc=$?
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(( $rc != 0 )) && echo "Error running $PBC version ... exited with rc=$rc" >&2 && return $rc
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echo "$vers_info" | grep client
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rc=$?
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(( $rc != 0 )) && echo "Error reading client version, output was:" >&2 && echo "$vers_info" >&2
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return $rc
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}
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function pbc-backup() {
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@@ -121,8 +73,72 @@ function get_snapshot_files() {
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pbc-files "$1" --output-format json | jq -r '.[] | select(.filename | endswith(".pxar.didx")) | .filename | rtrimstr(".didx")' | sort
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}
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function apt_get_install() {
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local package=$1
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echo "Installing $package using package manager ..."
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apt-get install "$package" >/dev/null
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local rc=$?
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(( $rc != 0 )) && echo "Error installing package!" >&2
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return $rc
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}
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TMPDIR=''
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function cleanup_tmpdir() {
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[ -n "$TMPDIR" -a -d "$TMPDIR" ] && rm -r "$TMPDIR"
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trap - EXIT
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}
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function install_proxmox_backup_client() {
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local update=${1:-false}
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[ -f "$PBC" ] && local installed=true || local installed=false
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! $installed && update=false
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if $installed && ! $update; then
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local version=$("$PBC" version | head -n 1)
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(( $? != 0 )) && echo "Error running $PBC version: exited with rc=$?" >&2 && return 10
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echo "Skip installation of proxmox-backup-client, already installed ($version)"
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return 0
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fi
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if $update && dpkg -S "$PBC" &>/dev/null; then
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echo "Skip update of proxmox-backup-client, package is managed by the package manager"
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return 0
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fi
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if apt-get search proxmox-backup-client &>/dev/null; then
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apt_get_install proxmox-backup-client
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return $?
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fi
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$update && local action='Updating' || local action='Installing'
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echo "$action proxmox-backup-client-static binary ..."
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local pkgfile=$(curl -s "$PBC_DOWNLOAD_URL/" | grep proxmox-backup-client-static_ | tail -n 1 | sed 's#.*href="##g;s#".*##g;')
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[ -z "$pkgfile" ] && echo "Unable to determine current package file!" >&2 && return 30
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TMPDIR=$(mktemp -d)
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trap cleanup_tmpdir EXIT
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echo "Downloading $PBC_DOWNLOAD_URL/$pkgfile ..."
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! curl -s -o "$TMPDIR/$pkgfile" "$PBC_DOWNLOAD_URL/$pkgfile" && echo "Error downloading file!" >&2 && return 40
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echo "Extracting $pkgfile ..."
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! dpkg-deb -x "$TMPDIR/$pkgfile" "$TMPDIR/" && echo "Error extracting file!" >&2 && return 50
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echo "Copying proxmox-backup-client static binary to $PBC ..."
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! cp "$TMPDIR/usr/bin/proxmox-backup-client" "$PBC" && echo "Error copying binary!" >&2 && return 60
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local version=$(pbc-version) || return $?
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$update && action='updated' || action='installed'
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echo "Successfully $action proxmox-backup-$version"
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cleanup_tmpdir
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}
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function arr_contains() {
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search=$1
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local search=$1
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shift
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[ -z "$search" ] && return 1
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while [ -n "$1" ]; do
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@@ -133,7 +149,7 @@ function arr_contains() {
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}
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function may_select() {
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value=$1
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local value=$1
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shift
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(( $# == 0 )) && echo "Error: no values to select" >&2 && return 1
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@@ -142,7 +158,7 @@ function may_select() {
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if (( $# == 1 )); then
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value=$1
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else
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sorted=($(printf "%s\n" "$@" | sort))
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local sorted=($(printf "%s\n" "$@" | sort))
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select value in "${sorted[@]}"; do
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[ -n "$value" ] && break
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done
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@@ -155,8 +171,17 @@ function may_select() {
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return 0
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}
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SCRIPT_PATH=$(realpath -s "$0")
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SCRIPT_DIR=$(dirname "$SCRIPT_PATH")
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SCRIPT=$(basename "$SCRIPT_PATH")
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PBC=$(which proxmox-backup-client)
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PBC_DOWNLOAD_URL='http://download.proxmox.com/debian/pbs-client/dists/trixie/main/binary-amd64'
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ETC_DIR="/etc/$SCRIPT"
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action=''
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configfile=''
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cfgfile="$ETC_DIR/config"
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args=()
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while [ -n "$1" ]; do
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@@ -168,9 +193,9 @@ while [ -n "$1" ]; do
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action=$opt
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;;
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-c|--config)
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configfile=$1
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cfgfile=$1
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shift
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[ -z "$configfile" ] && usage && exit 255
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[ -z "$cfgfile" ] && usage && exit 255
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;;
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-h|--help)
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usage
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@@ -196,19 +221,22 @@ while [ -n "$1" ]; do
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fi
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done
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configfile=${configfile:-$ETC_DIR/config}
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if [ "$action" == 'install' ]; then
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if [ -f "$configfile" ]; then
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source "$configfile" || exit $?
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fi
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else
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source "$configfile" || exit $?
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[ ! -f "$PBC" ] && echo "Error: $PBC: no such file" >&2 && exit 1
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[ ! -e "$PBC" ] && echo "Error: $PBC: not executable" >&2 && exit 1
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fi
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PBC=${PBC:-/usr/bin/proxmox-backup-client}
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PBC_DOWNLOAD_URL=${PBC_DOWNLOAD_URL:-http://download.proxmox.com/debian/pbs-client/dists/trixie/main/binary-amd64}
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if [ "$action" == 'install' ]; then
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if [ -f "$cfgfile" ]; then
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source "$cfgfile" || exit $?
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fi
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PBC=${PBC:-/usr/local/bin/proxmox-backup-client}
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for exe in apt-get dpkg dpkg-deb curl; do
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! which -s "$exe" && echo "Error: $exe executable not found!" >&2 && exit 200
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done
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else
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source "$cfgfile" || exit $?
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PBC=${PBC:-/usr/local/bin/proxmox-backup-client}
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[ ! -f "$PBC" ] && echo "Error: $PBC: no such file" >&2 && exit 200
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[ ! -e "$PBC" ] && echo "Error: $PBC: not executable" >&2 && exit 200
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! which -s jq && echo "Error: jq executable not found!" >&2 && exit 200
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fi
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export PBS_REPOSITORY="$PBS_USER@${PBS_SERVER:-8007}:$PBS_DATASTORE"
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export PBS_PASSWORD="$PBS_PASSWORD"
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@@ -304,7 +332,37 @@ case "$action" in
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pbc-mount "$snapshot" "$archive" "$target" || exit $?
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;;
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install)
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pbc-install "${args[@]}" || exit $?
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update=${args[0]:-false}
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[ "$(whoami)" != "root" ] && echo "Error: installation only works as root!" >&2 && exit 1
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tmpdir=$(mktemp -d)
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trap cleanup_tmpdir EXIT
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install_proxmox_backup_client "$update" || exit $?
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if dpkg -s jq &>/dev/null; then
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$update && echo "Skip update of jq, package is managed by package manager" || echo "Skip installation of jq, already installed"
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else
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apt_get_install jq || exit $?
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fi
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ETC_DIR="/etc/$SCRIPT"
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if [ ! -d "$ETC_DIR" ]; then
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echo "Creating config directory $ETC_DIR ..."
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! mkdir -p "$ETC_DIR" && echo "Error creating directory!" >&2 && exit 3
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fi
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if [ -f "$SCRIPT_DIR/config.example" ]; then
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if $update || [ ! -f "$ETC_DIR/config.example" ]; then
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echo "Copy example config to $ETC_DIR/config.example ..."
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! cp "$SCRIPT_DIR/config.example" "$ETC_DIR/config.example" && echo "Error copying file!" >&2 && exit 4
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fi
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fi
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$update && action='Update' || action='Installation'
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echo "$action successful!"
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;;
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*)
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usage
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