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355 lines
12 KiB
355 lines
12 KiB
#!/bin/bash
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# vim: set ts=4 sw=4 sts=4 et :
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set -e
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VERBOSE=${VERBOSE:-1}
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DEBUG=${DEBUG:-0}
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. ./functions-name.sh
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################################################################################
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# Global functions
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################################################################################
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# ------------------------------------------------------------------------------
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# Define colors
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# ------------------------------------------------------------------------------
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colors() {
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## Thanks to:
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## http://mywiki.wooledge.org/BashFAQ/037
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## Variables for terminal requests.
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[[ -t 2 ]] && {
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export alt=$( tput smcup || tput ti ) # Start alt display
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export ealt=$( tput rmcup || tput te ) # End alt display
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export hide=$( tput civis || tput vi ) # Hide cursor
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export show=$( tput cnorm || tput ve ) # Show cursor
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export save=$( tput sc ) # Save cursor
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export load=$( tput rc ) # Load cursor
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export bold=$( tput bold || tput md ) # Start bold
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export stout=$( tput smso || tput so ) # Start stand-out
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export estout=$( tput rmso || tput se ) # End stand-out
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export under=$( tput smul || tput us ) # Start underline
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export eunder=$( tput rmul || tput ue ) # End underline
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export reset=$( tput sgr0 || tput me ) # Reset cursor
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export blink=$( tput blink || tput mb ) # Start blinking
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export italic=$( tput sitm || tput ZH ) # Start italic
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export eitalic=$( tput ritm || tput ZR ) # End italic
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[[ ${TERM} != *-m ]] && {
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export red=$( tput setaf 1|| tput AF 1 )
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export green=$( tput setaf 2|| tput AF 2 )
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export yellow=$( tput setaf 3|| tput AF 3 )
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export blue=$( tput setaf 4|| tput AF 4 )
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export magenta=$( tput setaf 5|| tput AF 5 )
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export cyan=$( tput setaf 6|| tput AF 6 )
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}
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export white=$( tput setaf 7|| tput AF 7 )
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export default=$( tput op )
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export eed=$( tput ed || tput cd ) # Erase to end of display
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export eel=$( tput el || tput ce ) # Erase to end of line
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export ebl=$( tput el1 || tput cb ) # Erase to beginning of line
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export ewl=$eel$ebl # Erase whole line
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export draw=$( tput -S <<< ' enacs
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smacs
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acsc
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rmacs' || { \
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tput eA; tput as;
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tput ac; tput ae; } ) # Drawing characters
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export back=$'\b'
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} 2>/dev/null ||:
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export build_already_defined_colors="true"
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}
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if [ ! "$build_already_defined_colors" = "true" ]; then
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colors
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fi
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if [ "${VERBOSE}" -ge 2 -o "${DEBUG}" == "1" ]; then
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chroot() {
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local retval
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true ${blue}
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/usr/sbin/chroot "$@" && { retval=$?; true; } || { retval=$?; true; }
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true ${reset}
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return $retval
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}
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fi
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# ------------------------------------------------------------------------------
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# Display messages in color
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# ------------------------------------------------------------------------------
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# Only output text under certain conditions
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output() {
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if [ "${VERBOSE}" -ge 1 ]; then
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# Don't echo if -x is set since it will already be displayed via true
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[[ ${-/x} != $- ]] || echo -e "${1}"
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fi
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}
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info() {
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output "${bold}${blue}INFO: ${1}${reset}" || :
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}
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debug() {
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output "${bold}${green}DEBUG: ${1}${reset}" || :
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}
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warn() {
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output "${stout}${yellow}WARNING: ${1}${reset}" || :
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}
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error() {
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output "${bold}${red}ERROR: ${1}${reset}" || :
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}
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# ------------------------------------------------------------------------------
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# Takes an array and exports it a global variable
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#
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# $1: Array to export
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# $2: Global variable name to use for export
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#
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# http://ihaveabackup.net/2012/01/29/a-workaround-for-passing-arrays-in-bash/
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#
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# ------------------------------------------------------------------------------
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setArrayAsGlobal() {
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local array="$1"
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local export_as="$2"
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local code=$(declare -p "$array")
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local replaced="${code/$array/$export_as}"
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eval ${replaced/declare -/declare -g}
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}
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# ------------------------------------------------------------------------------
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# Spilts the path and returns an array of parts
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#
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# $1: Full path of file to split
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# $2: Global variable name to use for export
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# Returns:
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# ([full]='original name' [dir]='directory' [base]='filename' [ext]='extension')
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#
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# Original concept path split from:
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# https://stackoverflow.com/questions/965053/extract-filename-and-extension-in-bash
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#
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# ------------------------------------------------------------------------------
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splitPath() {
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local return_global_var=$2
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local filename="${1##*/}" # Strip longest match of */ from start
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local dir="${1:0:${#1} - ${#filename}}" # Substring from 0 thru pos of filename
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local base="${filename%.[^.]*}" # Strip shortest match of . plus at least one non-dot char from end
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local ext="${filename:${#base} + 1}" # Substring from len of base thru end
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if [ "$ext" ]; then
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local dotext=".$ext"
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else
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local dotext=""
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fi
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if [[ -z "$base" && -n "$ext" ]]; then # If we have an extension and no base, it's really the base
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base=".$ext"
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ext=""
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dotext=""
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fi
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declare -A PARTS=([full]="$1" [dir]="$dir" [base]="$base" [ext]="$ext" [dotext]="$dotext")
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setArrayAsGlobal PARTS $return_global_var
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}
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templateDir() {
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local template_flavor=${1-${TEMPLATE_FLAVOR}}
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# If TEMPLATE_FLAVOR_DIR is not already an array, make it one
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if ! [[ "$(declare -p TEMPLATE_FLAVOR_DIR 2>/dev/null)" =~ ^declare\ -a.* ]] ; then
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TEMPLATE_FLAVOR_DIR=( ${TEMPLATE_FLAVOR_DIR} )
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fi
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for element in "${TEMPLATE_FLAVOR_DIR[@]}"
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do
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# (wheezy+whonix-gateway / wheezy+whonix-gateway+gnome[+++] / wheezy+gnome )
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if [ "${element%:*}" == "$(templateName ${template_flavor})" ]; then
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eval echo -e ${element#*:}
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return
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# Very short name compare (+proxy)
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elif [ "${element:0:1}" == "+" -a "${element%:*}" == "+${template_flavor}" ]; then
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eval echo -e ${element#*:}
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return
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fi
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done
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if [ -n "${template_flavor}" ]; then
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local template_flavor_prefix="$(templateFlavorPrefix ${template_flavor})"
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local dir="${SCRIPTSDIR}/${template_flavor_prefix}${template_flavor}"
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else
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local dir="${SCRIPTSDIR}"
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fi
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echo "${dir}"
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}
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templateFile() {
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local file="$1"
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local suffix="$2"
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local template_flavor="$3"
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local template_dir="$(templateDir "${template_flavor}")"
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splitPath "${file}" path_parts
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# Append suffix to filename (before extension)
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if [ "${suffix}" ]; then
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file="${template_dir}/${path_parts[base]}_${suffix}${path_parts[dotext]}"
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else
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file="${template_dir}/${path_parts[base]}${path_parts[dotext]}"
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fi
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if [ -f "${file}" ]; then
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echo "${file}"
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fi
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}
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buildStepExec() {
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local filename="$1"
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local suffix="$2"
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local template_flavor="$3"
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script="$(templateFile "${filename}" "${suffix}" "${template_flavor}")"
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if [ -f "${script}" ] && [ ! ${GLOBAL_CACHE[$script]+_} ]; then
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# Test module expects raw output back only used to asser test results
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if [[ -n ${TEST} ]]; then
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echo "${script}"
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else
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output "${bold}${under}INFO: Currently running script: ${script}${reset}"
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fi
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# Cache $script
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GLOBAL_CACHE[$script]=1
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# Execute $script
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"${script}"
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fi
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}
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copyTreeExec() {
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local source_dir="$1"
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local dir="$2"
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local template_flavor="$3"
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local target_dir="$4"
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local template_dir="$(templateDir ${template_flavor})"
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local source_dir="$(readlink -m ${source_dir:-${template_dir}}/${dir})"
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local target_dir="$(readlink -m ${target_dir:-${INSTALLDIR}})"
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if ! [ -d "${source_dir}" ]; then
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debug "No extra files to copy for ${dir}"
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return 0
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fi
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debug "Copying ${source_dir}/* ${target_dir}"
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cp -rp "${source_dir}/." "${target_dir}"
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if [ -f "${source_dir}/.facl" ]; then
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debug "Restoring file permissions..."
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pushd "${target_dir}"
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{
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setfacl --restore="${source_dir}/.facl" 2>/dev/null ||:
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rm -f .facl
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}
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popd
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fi
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}
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callTemplateFunction() {
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# Reset Cache
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unset GLOBAL_CACHE
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declare -A -g GLOBAL_CACHE
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local calling_script="$1"
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local calling_arg="$2"
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local functionExec="$3"
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local template_flavor="${TEMPLATE_FLAVOR}"
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${functionExec} "${calling_script}" \
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"${calling_arg}" \
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"${template_flavor}"
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for option in ${TEMPLATE_OPTIONS[@]}
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do
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# Long name (wheezy+whonix-gateway+proxy)
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${functionExec} "${calling_script}" \
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"${calling_arg}" \
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"${TEMPLATE_FLAVOR}+${option}"
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# Short name (wheezy+proxy)
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${functionExec} "${calling_script}" \
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"${calling_arg}" \
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"${option}"
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done
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# If template_flavor exists, also check on base distro
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if [ -n "${template_flavor}" ]; then
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${functionExec} "${calling_script}" \
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"${calling_arg}"
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fi
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}
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# ------------------------------------------------------------------------------
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# ------------------------------------------------------------------------------
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getFileLocations() {
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local return_global_var=$1
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local filename="$2"
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local suffix="$3"
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local function="templateFile"
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files="$(callTemplateFunction "${filename}" "${suffix}" "${function}")"
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IFS_orig="${IFS}}"; IFS=$'\n'
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files=( "${files}" )
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setArrayAsGlobal files $return_global_var
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IFS="${IFS_orig}"
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}
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# ------------------------------------------------------------------------------
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# Executes any additional optional configuration steps if the configuration
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# scripts exist
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# ------------------------------------------------------------------------------
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buildStep() {
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local filename="$1"
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local suffix="$2"
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local function="buildStepExec"
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callTemplateFunction "${filename}" "${suffix}" "${function}"
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}
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# ------------------------------------------------------------------------------
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# Copy extra file tree to ${INSTALLDIR}
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# TODO: Allow copy per step (04_install_qubes.sh-files)
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#
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# To set file permissions is a PITA since git won't save them and will
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# complain heavily if they are set to root only read, so this is the procdure:
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#
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# 1. Change to the directory that you want to have file permissions retained
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# 2. Change all the file permissions / ownership as you want
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# 3. Change back to the root of the exta directory (IE: extra-qubes-files)
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# 4. Manually restore facl's: setfacl --restore=.facl
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# 5. Manually create facl backup used after copying: getfacl -R . > .facl
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# 6. If git complains; reset file ownership back to user. The .facl file stored
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# the file permissions and will be used to reset the file permissions after
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# they get copied over to ${INSTALLDIR}
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# NOTE: Don't forget to redo this process if you add -OR- remove files
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# ------------------------------------------------------------------------------
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copyTree() {
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local dir="$1"
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local source_dir="$2"
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local target_dir="$3"
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local function="copyTreeExec"
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if [ "x${source_dir}" == "x" ]; then
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callTemplateFunction "" "${dir}" "${function}"
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else
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copyTreeExec "${source_dir}" "${dir}" "" "${target_dir}"
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fi
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}
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# $0 is module that sourced vars.sh
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output "${bold}${under}INFO: Currently running script: ${0}${reset}"
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