amiro-os / bootloader / bootloadersetup.sh @ 2920c6b7
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################################################################################ |
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# AMiRo-OS is an operating system designed for the Autonomous Mini Robot # |
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# (AMiRo) platform. # |
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# Copyright (C) 2016..2018 Thomas Schöpping et al. # |
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# # |
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# This program is free software: you can redistribute it and/or modify # |
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# it under the terms of the GNU General Public License as published by # |
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# the Free Software Foundation, either version 3 of the License, or # |
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# (at your option) any later version. # |
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# # |
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# This program is distributed in the hope that it will be useful, # |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of # |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # |
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# GNU General Public License for more details. # |
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# # |
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# You should have received a copy of the GNU General Public License # |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. # |
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# # |
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# This research/work was supported by the Cluster of Excellence Cognitive # |
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# Interaction Technology 'CITEC' (EXC 277) at Bielefeld University, which is # |
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# funded by the German Research Foundation (DFG). # |
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################################################################################ |
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|
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#!/bin/bash |
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|
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################################################################################ |
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# GENERIC FUNCTIONS # |
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################################################################################ |
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|
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### print an error message ##################################################### |
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# Prints a error <message> to standard output. |
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#If variable 'LOG_FILE' is specified, the message is also appended to the given file. |
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# |
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# usage: printError <message> |
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# arguments: <message> |
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# Message string to print. |
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# return: n/a |
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# |
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function printError {
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local string="ERROR: $1" |
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# if a log file is specified |
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if [ -n "$LOG_FILE" ]; then |
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printf "[$(date '+%Y-%m-%d %H:%M:%S')] $string" >> $LOG_FILE |
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fi |
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printf "$(tput setaf 1)>>> $string$(tput sgr 0)" 1>&2 |
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} |
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|
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### print a warning message #################################################### |
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# Prints a warning <message> to standard output. |
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#If variable 'LOG_FILE' is specified, the message is also appended to the given file. |
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# |
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# usage: printMessage <message> |
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# arguments: <message> |
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# Message string to print. |
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# return: n/a |
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# |
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function printWarning {
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local string="WARNING: $1" |
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# if a log file is specified |
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if [ -n "$LOG_FILE" ]; then |
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printf "[$(date '+%Y-%m-%d %H:%M:%S')] $string" >> $LOG_FILE |
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fi |
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printf "$(tput setaf 3)>>> $string$(tput sgr 0)" |
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} |
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|
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### print an information message ############################################### |
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# Prints an information <message> to standard output. |
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#If variable 'LOG_FILE' is specified, the message is also appended to the given file. |
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# |
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# usage: printInfo <message> |
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# arguments: <message> |
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# Message string to print. |
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# return: n/a |
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# |
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function printInfo {
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local string="INFO: $1" |
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# if a log file is specified |
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if [ -n "$LOG_FILE" ]; then |
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printf "[$(date '+%Y-%m-%d %H:%M:%S')] $string" >> $LOG_FILE |
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fi |
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printf "$(tput setaf 2)>>> $string$(tput sgr 0)" |
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} |
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|
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### print a message to file #################################################### |
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# Appends a <message> to a log file, specified by the variable 'LOG_FILE'. |
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# |
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# usage printLog <message> |
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# arguments: <message> |
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# Message string to print. |
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# return: n/a |
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# |
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function printLog {
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local string="LOG: $1" |
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# if a log file is specified |
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if [ -n "$LOG_FILE" ]; then |
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printf "[$(date '+%Y-%m-%d %H:%M:%S')] $string" >> $LOG_FILE |
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fi |
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} |
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|
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### exit the script normally ################################################### |
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# Prints a delimiter and exits the script normally (returns 0). |
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# |
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# usage: quitScript |
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# arguments: n/a |
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# return: 0 |
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# No error or warning occurred. |
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# |
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function quitScript {
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printInfo "exiting $(realpath ${BASH_SOURCE[0]})\n"
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printf "\n" |
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printf "######################################################################\n" |
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exit 0 |
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} |
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|
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### read a user input ########################################################## |
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# Reads a single character user input from a set up <options> and stores it in |
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# a given <return> variable. |
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# |
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# usage: readUserInput <options> <return> |
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# arguments: <options> |
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# String definiing the set of valid characters. |
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# If the string is empty, the user can input any character. |
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# <return> |
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# Variable to store the selected character to. |
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# return: n/a |
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# |
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function readUserInput {
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local input="" |
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# read user input |
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while [ -z $input ] || ( [ -n "$1" ] && [[ ! $input =~ ^[$1]$ ]] ); do |
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read -p "your selection: " -n 1 -e input |
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if [ -z $input ] || ( [ -n "$1" ] && [[ ! $input =~ ^[$1]$ ]] ); then |
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printWarning "[$input] is no valid action\n" |
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fi |
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done |
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printLog "[$input] has been selected\n" |
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eval $2="$input" |
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} |
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|
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### check whether argument is an option ######################################## |
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# Checks a <string> whether it is an option. |
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# Options are defined to either start with '--' followed by any string, or |
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# to start with a single '-' followed by a single character, or |
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# to start with a single '-' followed by a single character, a '=' and any string. |
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# Examples: '--option', '--option=arg', '-o', '-o=arg', '--' |
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# |
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# usage: parseIsOption <string> |
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# arguments: <string> |
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# A string to check whether it is an option. |
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# return: 0 |
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# <string> is an option. |
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# -1 |
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# <string> is not an option. |
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# |
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function parseIsOption {
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if [[ "$1" =~ ^-(.$|.=.*) ]] || [[ "$1" =~ ^--.* ]]; then |
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return 0 |
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else |
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return -1 |
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fi |
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} |
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|
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### set the log file ########################################################### |
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# Sets a specified <infile> as log file and checks whether it already exists. |
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# If so, the log may either be appended to the file, its content can be cleared, |
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# or no log is generated at all. |
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# The resulting path is stored in <outvar>. |
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# |
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# usage: setLogFile [--option=<option>] [--quiet] <infile> <outvar> |
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# arguments: --option=<option> |
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# Select what to do if <file> already exists. |
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# Possible values are 'a', 'c', 'r' and 'n'. |
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# - a: append (starts with a separator) |
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# - c: continue (does not insert a seperator) |
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# - r: delete and restart |
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# - n: no log |
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# If no option is secified but <file> exists, an interactive selection is provided. |
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# --quiet |
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# Suppress all messages. |
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# <infile> |
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# Path of the wanted log file. |
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# <outvar> |
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# Variable to store the path of the log file to. |
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# return: 0 |
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# No error or warning occurred. |
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# -1 |
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# Error: invalid input |
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# |
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function setLogFile {
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local filepath="" |
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local option="" |
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local quiet=false |
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|
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# parse arguments |
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local otherargs=() |
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while [ $# -gt 0 ]; do |
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if ( parseIsOption $1 ); then |
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case "$1" in |
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-o=*|--option=*) |
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option=${1#*=}; shift 1;;
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-o*|--option*) |
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option="$2"; shift 2;; |
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-q|--quiet) |
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quiet=true; shift 1;; |
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*) |
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printError "invalid option: $1\n"; shift 1;; |
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esac |
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else |
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otherargs+=("$1")
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shift 1 |
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fi |
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done |
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filepath=$(realpath ${otherargs[0]})
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|
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# if file already exists |
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if [ -e $filepath ]; then |
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# if no option was specified, ask what to do |
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if [ -z "$option" ]; then |
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printWarning "log file $filepath already esists\n" |
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local userinput="" |
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printf "Select what to do:\n" |
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printf " [A] - append log\n" |
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printf " [R] - restart log (delete existing file)\n" |
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printf " [N] - no log\n" |
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readUserInput "AaRrNn" userinput |
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option=${userinput,,}
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fi |
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# evaluate option |
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case "$option" in |
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a|c) |
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if [ $quiet = false ]; then |
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printInfo "appending log to $filepath\n" |
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fi |
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if [ $option != c ]; then |
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printf "\n" >> $filepath |
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printf "######################################################################\n" >> $filepath |
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printf "\n" >> $filepath |
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fi |
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;; |
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r) |
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echo -n "" > $filepath |
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if [ $quiet = false ]; then |
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printInfo "content of $filepath wiped\n" |
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fi |
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;; |
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n) |
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if [ $quiet = false ]; then |
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printInfo "no log file will be generated\n" |
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fi |
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filepath="" |
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;; |
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*) # sanity check (return error) |
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printError "unexpected argument: $option\n"; return -1;; |
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esac |
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else |
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if [ $quiet = false ]; then |
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printInfo "log file set to $filepath\n" |
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fi |
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fi |
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eval ${otherargs[1]}="$filepath"
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return 0 |
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} |
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|
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################################################################################ |
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# SPECIFIC FUNCTIONS # |
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################################################################################ |
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|
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### print welcome text ######################################################### |
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# Prints a welcome message to standard out. |
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# |
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# usage: printWelcomeText |
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# arguments: n/a |
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# return: n/a |
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# |
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function printWelcomeText {
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printf "######################################################################\n" |
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printf "# #\n" |
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printf "# Welcome to the AMiRo-BLT submodule setup! #\n" |
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printf "# #\n" |
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printf "######################################################################\n" |
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printf "# #\n" |
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printf "# Copyright (c) 2016..2018 Thomas Schöpping #\n" |
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printf "# #\n" |
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printf "# This is free software; see the source for copying conditions. #\n" |
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printf "# There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR #\n" |
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printf "# A PARTICULAR PURPOSE. The development of this software was #\n" |
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printf "# supported by the Excellence Cluster EXC 227 Cognitive Interaction #\n" |
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printf "# Technology. The Excellence Cluster EXC 227 is a grant of the #\n" |
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printf "# Deutsche Forschungsgemeinschaft (DFG) in the context of the German #\n" |
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printf "# Excellence Initiative. #\n" |
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printf "# #\n" |
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printf "######################################################################\n" |
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} |
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|
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### print help ################################################################# |
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# Prints a help text to standard out. |
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# |
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# usage: printHelp |
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# arguments: n/a |
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# return: n/a |
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# |
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function printHelp {
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printInfo "printing help text\n" |
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printf "usage: $(basename ${BASH_SOURCE[0]}) [-h|--help] [-i|--init] [-s|--setup] [-w|--wipe] [-q|--quit] [--log=<file>]\n"
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printf "options: -h, --help\n" |
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printf " Print this help text.\n" |
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printf " -i, --init\n" |
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printf " Initialize the AMiRo-BLT submodule.\n" |
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printf " -s, --setup\n" |
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printf " Enter AMiRo-BLT setup.\n" |
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printf " -w, --wipe\n" |
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printf " Wipe the entire AMiRo-BLT submodule.\n" |
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printf " -q, --quit\n" |
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printf " Quit the script.\n" |
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printf " --log=<file> \n" |
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printf " Specify a log file.\n" |
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} |
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### initialize AMiRo-BLT submodule ############################################# |
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# Initialize the AMiRo-BLT submodule. |
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# |
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# usage: initAmiroBlt |
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# arguments: n/a |
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# return: 0 |
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# No error or warning occurred. |
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# 1 |
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# Warning: Arborted by user. |
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# -1 |
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# Error: Unexpected user input. |
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# |
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function initAmiroBlt {
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printInfo "initializing AMiRo-BLT submodule...\n" |
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local userdir=$(pwd) |
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local bootloaderdir=$(dirname $(realpath ${BASH_SOURCE[0]}))
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local amirobltdir=${bootloaderdir}/AMiRo-BLT
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# if the AMiRo-BLT folder is not empty |
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if [ ! -z "$(ls -A $amirobltdir)" ]; then |
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printWarning "$(realpath $amirobltdir) is not empty. Delete and reinitialize? [y/n]\n" |
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local userinput="" |
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readUserInput "YyNn" userinput |
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case $userinput in |
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Y|y) |
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wipeAmiroBlt |
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;; |
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N|n) |
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printWarning "AMiRo-BLT initialization aborted by user\n" |
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return 1 |
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;; |
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*) # sanity check (return error) |
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printError "unexpected input: $userinput\n"; return -1;; |
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esac |
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fi |
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|
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# initialize submodule to default branch |
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cd $bootloaderdir |
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git submodule update --init $amirobltdir 2>&1 | tee -a $LOG_FILE |
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while [ ${PIPESTATUS[0]} -ne 0 ]; do
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printWarning "initialitaion failed. Retry? [y/n]\n" |
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local userinput="" |
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readUserInput "YyNn" userinput |
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case "$userinput" in |
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Y|y) |
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git submodule update --init $amirobltdir 2>&1 | tee -a $LOG_FILE;; |
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N|n) |
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printWarning "AMiRo-BLT initialization aborted by user\n" |
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cd $userdir |
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return 1 |
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;; |
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*) # sanity check (return error) |
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printError "unexpected input: $userinput\n"; return -1;; |
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esac |
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done |
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cd $userdir |
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|
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return 0 |
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} |
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|
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### enter AMiRo-BLT setup ###################################################### |
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# Enter AMiRo-BLT submodule setup. |
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# |
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# usage: amiroBltSetup |
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# arguments: n/a |
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# return: 0 |
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# No error or warning occurred. |
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# -1 |
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# Error: AMiRo-BLT submodule not initialized yet. |
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# |
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function amiroBltSetup {
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local amirobltdir=$(dirname $(realpath ${BASH_SOURCE[0]}))/AMiRo-BLT
|
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|
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# check if AMiRo-BLT submodule is initialized |
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if [ -z "$(ls -A $amirobltdir)" ]; then |
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printError "$amirobltdir is empty. Please initialize first.\n" |
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return -1 |
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else |
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printInfo "entering AMiRo-BLT setup\n" |
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printf "\n" |
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if [ -z "$LOG_FILE" ]; then |
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${amirobltdir}/setup.sh --noinfo
|
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else |
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${amirobltdir}/setup.sh --LOG="$LOG_FILE" --noinfo
|
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fi |
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return 0 |
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fi |
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} |
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|
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### reset AMiRo-BLT submodule and wipe directory ############################### |
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# Resets the AMiRo-BLT Git submodule and wipes the directory. |
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# |
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# usage: wipeAmiroBlt |
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# arguments: n/a |
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# return: n/a |
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function wipeAmiroBlt {
|
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printInfo "reset and wipe Git submodule $amirobltdir\n" |
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local userdir=$(pwd) |
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local bootloaderdir=$(dirname $(realpath ${BASH_SOURCE[0]}))
|
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local amirobltdir=${bootloaderdir}/AMiRo-BLT
|
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|
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# if the AMiRo-BLT folder is empty |
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if [ -z "$(ls -A $amirobltdir)" ]; then |
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printWarning "$amirobltdir is already empty\n" |
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return 1 |
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else |
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# get some information from Git |
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cd $bootloaderdir |
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local git_basehash=($(git ls-tree -d HEAD $amirobltdir)); git_basehash=${git_basehash[2]}
|
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cd $amirobltdir |
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local git_branch_current=$(git rev-parse --abbrev-ref HEAD) |
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local git_difftobase="$(git diff ${git_basehash}..HEAD)"
|
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local git_commits=$(git log --format=oneline ${git_basehash}..HEAD)
|
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local git_dirtyfiles=($(git ls-files -dmo --exclude-standard --exclude=/doc)) |
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cd $userdir |
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local issues=0 |
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# if HEAD is ahead of submodule base commit |
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if [ -n "$git_difftobase" ]; then |
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issues=$((issues + 1)) |
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printWarning "HEAD is ahead of submodule base\n" |
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fi |
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# if there are untracked, modified, or deleted files |
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if [ ${#git_dirtyfiles[@]} != 0 ]; then
|
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issues=$((issues + 1)) |
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printWarning "there are ${#git_dirtyfiles[@]} untracked, modified, or deleted files\n"
|
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fi |
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if [ $issues -gt 0 ]; then |
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local userinput="" |
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printWarning "$issues issues detected. Do you want to continue? [y/n]\n" |
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readUserInput "YyNn" userinput |
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case "$userinput" in |
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Y|y) |
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;; |
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N|n) |
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printfWarning "wiping AMiRo-BLT Git submodule aborted by user\n" |
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return 2 |
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;; |
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*) # sanity check (return error) |
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printError "unexpected input: $userinput\n"; return -1;; |
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esac |
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fi |
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|
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# checkout base commit and delete all local branches |
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cd $bootloaderdir |
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git submodule update --force --checkout $amirobltdir | tee -a $LOG_FILE |
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cd $amirobltdir |
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local git_branches=($(git for-each-ref --format="%(refname)")) |
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for branch in $git_branches; do |
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if [[ $branch = *"heads/"* ]]; then |
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git branch -D ${branch##*/} | tee -a $LOG_FILE
|
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fi |
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done |
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cd $userdir |
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|
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# deinitialize AMiRo-BLT submodule and delete any remaining files |
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cd $bootloaderdir |
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git submodule deinit -f $amirobltdir 2>&1 | tee -a $LOG_FILE |
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rm -rf $amirobltdir/* |
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cd $userdir |
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|
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return 0 |
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fi |
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} |
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|
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### main function of this script ############################################### |
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# Initializes or wipes the AMiRo-BLT Git submodule, and provides an entry point |
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# to its setup. |
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# |
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# usage: see function printHelp |
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# arguments: see function printHelp |
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# return: 0 |
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# No error or warning occurred. |
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# |
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function main {
|
| 495 |
# print welcome/info text if not suppressed |
| 496 |
if [[ $@ != *"--noinfo"* ]]; then |
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printWelcomeText |
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else |
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printf "######################################################################\n" |
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fi |
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printf "\n" |
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|
| 503 |
# if --help or -h was specified, print the help text and exit |
| 504 |
if [[ $@ == *"--help"* || $@ == *"-h"* ]]; then |
| 505 |
printHelp |
| 506 |
printf "\n" |
| 507 |
quitScript |
| 508 |
fi |
| 509 |
|
| 510 |
# set log file if specified |
| 511 |
if [[ $@ == *"--log"* ]] || [[ $@ == *"--LOG"* ]]; then |
| 512 |
# get the parameter (file name) |
| 513 |
local cmdidx=1 |
| 514 |
while [[ ! "${!cmdidx}" = "--log"* ]] && [[ ! "${!cmdidx}" = "--LOG"* ]]; do
|
| 515 |
cmdidx=$[cmdidx + 1] |
| 516 |
done |
| 517 |
local cmd="${!cmdidx}"
|
| 518 |
local logfile="" |
| 519 |
if [[ "$cmd" = "--log="* ]] || [[ "$cmd" = "--LOG="* ]]; then |
| 520 |
logfile=${cmd#*=}
|
| 521 |
else |
| 522 |
local filenameidx=$((cmdidx + 1)) |
| 523 |
logfile="${!filenameidx}"
|
| 524 |
fi |
| 525 |
# optionally force silent appending |
| 526 |
if [[ "$cmd" = "--LOG"* ]]; then |
| 527 |
setLogFile --option=c --quiet "$logfile" LOG_FILE |
| 528 |
else |
| 529 |
setLogFile "$logfile" LOG_FILE |
| 530 |
printf "\n" |
| 531 |
fi |
| 532 |
fi |
| 533 |
# log script name |
| 534 |
printLog "this is $(realpath ${BASH_SOURCE[0]})\n"
|
| 535 |
|
| 536 |
# parse arguments |
| 537 |
local otherargs=() |
| 538 |
while [ $# -gt 0 ]; do |
| 539 |
if ( parseIsOption $1 ); then |
| 540 |
case "$1" in |
| 541 |
-h|--help) # already handled; ignore |
| 542 |
shift 1;; |
| 543 |
-i|--init) |
| 544 |
initAmiroBlt; printf "\n"; shift 1;; |
| 545 |
-s|--setup) |
| 546 |
amiroBltSetup; printf "\n"; shift 1;; |
| 547 |
-w|--wipe) |
| 548 |
wipeAmiroBlt; printf "\n"; shift 1;; |
| 549 |
-q|--quit) |
| 550 |
quitScript; shift 1;; |
| 551 |
--log=*|--LOG=*) # already handled; ignore |
| 552 |
shift 1;; |
| 553 |
--log|--LOG) # already handled; ignore |
| 554 |
shift 2;; |
| 555 |
--noinfo) # already handled; ignore |
| 556 |
shift 1;; |
| 557 |
*) |
| 558 |
printError "invalid option: $1\n"; shift 1;; |
| 559 |
esac |
| 560 |
else |
| 561 |
otherargs+=("$1")
|
| 562 |
shift 1 |
| 563 |
fi |
| 564 |
done |
| 565 |
|
| 566 |
# interactive menu |
| 567 |
while ( true ); do |
| 568 |
# main menu info prompt and selection |
| 569 |
printInfo "Bootloader setup main menu\n" |
| 570 |
printf "Please select one of the following actions:\n" |
| 571 |
printf " [I] - initialize AMiRo-BLT submodule\n" |
| 572 |
printf " [S] - enter AMiRo-BLT setup\n" |
| 573 |
printf " [W] - wipe AMiRo-BLT submodule\n" |
| 574 |
printf " [Q] - quit this setup\n" |
| 575 |
local userinput="" |
| 576 |
readUserInput "IiSsWwQq" userinput |
| 577 |
printf "\n" |
| 578 |
|
| 579 |
# evaluate user selection |
| 580 |
case "$userinput" in |
| 581 |
I|i) |
| 582 |
initAmiroBlt; printf "\n";; |
| 583 |
S|s) |
| 584 |
amiroBltSetup; printf "\n";; |
| 585 |
W|w) |
| 586 |
wipeAmiroBlt; printf "\n";; |
| 587 |
Q|q) |
| 588 |
quitScript;; |
| 589 |
*) # sanity check (exit with error) |
| 590 |
printError "unexpected argument: $userinput\n";; |
| 591 |
esac |
| 592 |
done |
| 593 |
|
| 594 |
exit 0 |
| 595 |
} |
| 596 |
|
| 597 |
################################################################################ |
| 598 |
# SCRIPT ENTRY POINT # |
| 599 |
################################################################################ |
| 600 |
|
| 601 |
main "$@" |
| 602 |
|