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dists/openpandora/pnd_make.sh
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328
dists/openpandora/pnd_make.sh
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#!/bin/bash
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#
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# pnd_make.sh
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#
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# This script is meant to ease generation of a pnd file. Please consult the output
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# when running --help for a list of available parameters and an explanation of
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# those.
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#
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# Required tools when running the script:
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# bash
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# echo, cat, mv, rm
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# mkisofs or mksquashfs (the latter when using the -c param!)
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# xmllint (optional, only for validation of the PXML against the schema)
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PXML_schema=$(dirname ${0})/PXML_schema.xsd
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GENPXML_PATH=$(dirname ${0})/genpxml.sh
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# useful functions ...
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black='\E[30m'
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red='\E[31m'
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green='\E[32m'
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yellow='\E[33m'
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blue='\E[34m'
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magenta='\E[35m'
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cyan='\E[36m'
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white='\E[37m'
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check_for_tool()
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{
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which $1 &> /dev/null
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if [ "$?" -ne "0" ];
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then
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cecho "ERROR: Could not find the program '$1'. Please make sure
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that it is available in your PATH since it is required to complete your request." $red
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exit 1
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fi
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}
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cecho () # Color-echo. Argument $1 = message, Argument $2 = color
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{
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local default_msg="No message passed." # Doesn't really need to be a local variable.
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message=${1:-$default_msg} # Defaults to default message.
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# We only output colors when stdout is outputting to a terminal.
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# This avoids color codes being output in log files created on buildbot.
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if [ -t 1 -a -n "$TERM" ]; then
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color=${2:-$black} # Defaults to black, if not specified.
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echo -e "$color$message"
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tput -T"$TERM" sgr0 # Reset to normal.
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else
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echo "$message"
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fi
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return
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}
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print_help()
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{
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cat << EOSTREAM
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pnd_make.sh - A script to package "something" into a PND.
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Usage:
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$(basename ${0}) {--directory|-d} <folder> {--pndname|-p} <file> [{--compress-squashfs|-c}]
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[{--genpxml} <file>] [{--icon|-i} <file>] [{--pxml|-x} <file>]
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[{--schema|-s} <file>] [{--help|-h}]
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Switches:
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--compress-squashfs / -c Define whether or not the pnd should be compressed using
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squashfs. If this parameter is selected, a compressed pnd
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will be created.
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--directory / -d Sets the folder that is to be used for the resulting pnd
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to <folder>. This option is mandatory for the script to
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function correctly.
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--genpxml Sets the script used for generating a PXML file (if none
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is available already) to <file>. Please make sure to either
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provide a full path or prefix a script in the current folder
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with './' so that the script can actually be executed. If
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this variable is not specified, $GENPXML_PATH
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will be used.
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--help / -h Displays this help text.
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--icon / -i Sets the icon that will be appended in the pnd to <file>.
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--pndname / -p Sets the output filename of the resulting pnd to <file>.
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This option is mandatory for the script to function
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correctly.
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--pxml / -x Sets the PXML file that is to be used to <file>. If you
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neither provide a PXML file or set this entry to 'guess',
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an existing 'PXML.xml' in your selected '--directory'
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will be used, or the script $GENPXML_PATH
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will be called to try to generate a basic PXML file for you.
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--schema / -s Sets the schema file, that is to be used for validation,
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to <file. If this is not defined, the script will try to
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use the file '$PXML_schema'. If this fails,
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a warning is issued.
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If you select the option to create a compressed squashfs, a version >=4.0 of squashfs
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is required to be available in your PATH.
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EOSTREAM
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}
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# Parse command line parameters
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while [ "${1}" != "" ]; do
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if [ "${1}" = "--compress-squashfs" ] || [ "${1}" = "-c" ];
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then
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SQUASH=1
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shift 1
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elif [ "${1}" = "--directory" ] || [ "${1}" = "-d" ];
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then
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FOLDER=$2
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shift 2
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elif [ "${1}" = "--genpxml" ];
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then
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GENPXML_PATH=$2
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shift 2
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elif [ "${1}" = "--help" ] || [ "${1}" = "-h" ];
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then
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print_help
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exit 0
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elif [ "${1}" = "--icon" ] || [ "${1}" = "-i" ];
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then
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ICON=$2
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shift 2
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elif [ "${1}" = "--pndname" ] || [ "${1}" = "-p" ];
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then
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PNDNAME=$2
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shift 2
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elif [ "${1}" = "--pxml" ] || [ "${1}" = "-x" ];
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then
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PXML=$2
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shift 2
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elif [ "${1}" = "--schema" ] || [ "${1}" = "-f" ]
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then
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PXML_schema=$2
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shift 2
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else
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cecho "ERROR: '$1' is not a known argument. Printing --help and aborting." $red
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print_help
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exit 1
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fi
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done
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# Generate a PXML if the param is set to Guess or it is empty.
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if [ ! $PXML ] || [ $PXML = "guess" ] && [ $PNDNAME ] && [ $FOLDER ];
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then
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if [ -f $FOLDER/PXML.xml ]; # use the already existing PXML.xml file if there is one...
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then
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PXML=$FOLDER/PXML.xml
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PXML_ALREADY_EXISTING="true"
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else
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if [ -f $GENPXML_PATH ];
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then
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$GENPXML_PATH --src $FOLDER --dest $FOLDER --author $USER
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if [ -f $FOLDER/PXML.xml ];
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then
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PXML_GENERATED="true"
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else
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cecho "ERROR: Generating a PXML file using '$GENPXML_PATH' failed.
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Please generate a PXML file manually." $red
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exit 1
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fi
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else
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cecho "ERROR: Could not find '$GENPXML_PATH' for generating a PXML file." $red
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exit 1
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fi
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fi
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fi
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# Probe if required variables were set
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echo -e
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cecho "Checking if all required variables were set." $green
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if [ ! $PNDNAME ] || [ ! $FOLDER ] || [ ! $PXML ];
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then
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echo -e
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cecho "ERROR: Not all required options were set! Please see the --help information below." $red
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echo -e
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print_help
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exit 1
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else
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echo "PNDNAME set to '$PNDNAME'."
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fi
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# Check if the selected folder actually exists
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if [ ! -d $FOLDER ];
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then
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echo -e
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cecho "ERROR: '$FOLDER' doesn't exist or is not a folder." $red
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exit 1
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else
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echo "FOLDER set to '$FOLDER'."
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fi
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# Check if the selected PXML file actually exists
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if [ ! -f $PXML ];
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then
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echo -e
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cecho "ERROR: '$PXML' doesn't exist or is not a file." $red
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exit 1
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else
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if [ $PXML_ALREADY_EXISTING ];
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then
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echo "You have not explicitly specified a PXML to use, but an existing file was
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found. Will be using this one."
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elif [ $PXML_GENERATED ];
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then
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echo "A PXML file was generated for you using '$GENPXML_PATH'. This file will
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not be removed at the end of this script because you might want to review it, adjust
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single entries and rerun the script to generate a pnd with a PXML file with all the
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information you want to have listed."
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fi
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echo "PXML set to '$PXML'."
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fi
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# Print the other variables:
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if [ $ICON ];
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then
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if [ ! -f $ICON ]
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then
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cecho "WARNING: '$ICON' doesn't exist, will not append the selected icon to the pnd." $red
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else
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echo "ICON set to '$ICON'."
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USE_ICON="true"
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fi
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fi
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if [ $SQUASH ];
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then
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echo "Will use a squashfs for '$PNDNAME'."
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fi
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# Validate the PXML file (if xmllint is available)
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# Errors and problems in this section will be shown but are not fatal.
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echo -e
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cecho "Trying to validate '$PXML' now. Will be using '$PXML_schema' to do so." $green
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which xmllint &> /dev/null
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if [ "$?" -ne "0" ];
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then
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VALIDATED=false
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cecho "WARNING: Could not find 'xmllint'. Validity check of '$PXML' is not possible!" $red
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else
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if [ ! -f "$PXML_schema" ];
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then
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VALIDATED=false
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cecho "WARNING: Could not find '$PXML_schema'. If you want to validate your
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PXML file please make sure to provide a schema using the --schema option." $red
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else
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xmllint --noout --schema $PXML_schema $PXML
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if [ "$?" -ne "0" ]; then VALIDATED=false; else VALIDATED=true; fi
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fi
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fi
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# Print some message at the end about the validation in case the user missed the output above
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if [ $VALIDATED = "false" ]
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then
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cecho "WARNING: Could not successfully validate '$PXML'. Please check the output
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above. This does not mean that your pnd will be broken. Either you are not following the strict
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syntax required for validation or you don't have all files/programs required for validating." $red
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else
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cecho "Your file '$PXML' was validated successfully. The resulting pnd should
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work nicely with libpnd." $green
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fi
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# Make iso from folder
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echo -e
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cecho "Creating an iso file based on '$FOLDER'." $green
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if [ $SQUASH ];
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then
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check_for_tool mksquashfs
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if [ $(mksquashfs -version | awk 'BEGIN{r=0} $3>=4{r=1} END{print r}') -eq 0 ];
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then
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cecho "ERROR: Your squashfs version is older then version 4, please upgrade to 4.0 or later" $red
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exit 1
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fi
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mksquashfs $FOLDER $PNDNAME.iso -nopad -no-recovery
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else
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check_for_tool mkisofs
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mkisofs -o $PNDNAME.iso -R $FOLDER
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fi
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# Check that the iso file was actually created before continuing
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if [ ! -f $PNDNAME.iso ];
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then
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cecho "ERROR: The temporary file '$PNDNAME.iso' could not be created.
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Please check the output above for any errors and retry after fixing them. Aborting." $red
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exit 1
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fi
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# Append pxml to iso
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echo -e
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cecho "Appending '$PXML' to the created iso file." $green
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cat $PNDNAME.iso $PXML > $PNDNAME
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rm $PNDNAME.iso #cleanup
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# Append icon if specified and available
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if [ $USE_ICON ];
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then
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echo -e
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cecho "Appending the icon '$ICON' to the pnd." $green
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mv $PNDNAME $PNDNAME.tmp
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cat $PNDNAME.tmp $ICON > $PNDNAME # append icon
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rm $PNDNAME.tmp #cleanup
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fi
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# Final message
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echo -e
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if [ -f $PNDNAME ];
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then
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cecho "Successfully finished creating the pnd '$PNDNAME'." $green
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else
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cecho "There seems to have been a problem and '$PNDNAME' was not created. Please check
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the output above for any error messages. A possible cause for this is that there was
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not enough space available." $red
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exit 1
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fi
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#if [ $PXML = "guess" ];then rm $FOLDER/PXML.xml; fi #cleanup
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