amiro-blt / compiler / GCC / gccsetup.sh @ 316a2b34
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################################################################################ |
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# AMiRo-BLT is an bootloader and toolchain designed for the Autonomous Mini # |
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# Robot (AMiRo) platform. # |
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# Copyright (C) 2016..2017 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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|
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eval ${otherargs[1]}="$filepath" |
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|
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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 GCC 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..2017 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|--install] [-c|--change] [-q|--quit] [--log=<file>]\n" |
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printf "\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, --install\n" |
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printf " Install another version.\n" |
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printf " -u, --uninstall\n" |
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printf " Unistall a version.\n" |
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printf " -c, --change\n" |
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printf " Change the default version.\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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|
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### detect installed versions ################################################## |
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# Detect all installed version of arm-none-eabi-gcc, if any. |
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# |
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# usage: detectInstalledVersions <binarray> <current> [<current_idx>] |
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# arguments: <binarray> |
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# Array variable to store all detected binary paths to. |
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# <current> |
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# Variable to store the currently active binary to. |
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# <current_idx> |
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# Index of the curretly selected version in the output array (<binarray>). |
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# return: n/a |
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# |
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function detectInstalledVersions { |
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local armgcc_command=$(command -v arm-none-eabi-gcc) |
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local armgcc_commanddir=${HOME}/gcc-none-eabi |
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local armgcc_currentbin="" |
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local armgcc_installdir=${HOME}/gcc-none-eabi |
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local armgcc_bins=() |
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local armgcc_bincnt=0 |
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|
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# check for already installed versions |
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if [ -n "$armgcc_command" ]; then |
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# follow the link to the actual binary |
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armgcc_commanddir=$(dirname $armgcc_command) |
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armgcc_currentbin=$armgcc_command |
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while [ -L $armgcc_currentbin ]; do |
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# differentiate between relative and absolute paths |
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if [[ $(readlink $armgcc_currentbin) = /* ]]; then |
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armgcc_currentbin=$(readlink $armgcc_currentbin) |
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else |
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armgcc_currentbin=$(realpath $(dirname $armgcc_currentbin)/$(readlink $armgcc_currentbin)) |
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fi |
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done |
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# the installation location is assumed to be two directories up |
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armgcc_installdir=$(realpath $(dirname ${armgcc_currentbin})/../..) |
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# list all detected instalations |
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for dir in $(ls -d ${armgcc_installdir}/*/); do |
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if [ -f ${dir}/bin/arm-none-eabi-gcc ]; then |
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armgcc_bins[$armgcc_bincnt]=${dir}bin/arm-none-eabi-gcc |
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armgcc_bincnt=$((armgcc_bincnt + 1)) |
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fi |
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done |
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|
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# set the output variables |
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eval "$1=(${armgcc_bins[*]})" |
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eval $2="$armgcc_currentbin" |
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if [ -n "$3" ]; then |
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for (( bin=0; bin<${#armgcc_bins[@]}; ++bin )); do |
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if [ ${armgcc_bins[bin]} = "$armgcc_currentbin" ]; then |
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eval $3=$bin |
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fi |
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done |
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fi |
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else |
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eval "$1=()" |
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eval $2="" |
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if [ -n "$3" ]; then |
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eval $3="" |
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fi |
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fi |
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} |
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|
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### install new version ######################################################## |
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# Fetches an installation package from the internet, installs it and expands |
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# the $PATH environment variable (via .bashrc) if required. |
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# |
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# usage: installNewVersion [-i|--install=<path>] [-l|--link=<path>] |
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# argumenst: -i, --install <path> |
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# Path where to install the new version to. |
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# -l, --link <path> |
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# Path where to create according links. |
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# return: 0 |
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# No error or warnign occurred. |
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# 1 |
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# Warning: Installation aborted by user. |
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# |
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function installNewVersion { |
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local installbasedir=${HOME}/gcc-arm-embedded |
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local linkdir="/usr/bin" |
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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 "$1" in |
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-i=*|--install=*) |
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installbasedir=$(realpath "${1#*=}"); shift 1;; |
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-i|--install) |
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installbasedir="$2"; shift 2;; |
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-l=*|--link=*) |
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linkdir=$(realpath "${1#*=}"); shift 1;; |
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-l|--link) |
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linkdir="$2"; shift 2;; |
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*) # sanity check (exit with error) |
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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+=("$1") |
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shift 1 |
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fi |
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done |
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|
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# read download URL form user |
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printLog "read installation url from user\n" |
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local armgcc_downloadurl="" |
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while [ -z "$armgcc_downloadurl" ]; do |
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read -p "Download link for the installation file: " -e armgcc_downloadurl |
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if [ -z "$armgcc_downloadurl" ]; then |
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printWarning "installation aborted by user\n" |
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return 1 |
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fi |
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if [[ $armgcc_downloadurl != *".tar.bz2" ]]; then |
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printWarning "please specify a .tar.bz2 file\n" |
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armgcc_downloadurl="" |
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fi |
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if [ ! wget --spider $armgcc_downloadurl 2>/dev/null ]; then |
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printWarning "$armgcc_downloadurl can not be reached\n" |
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armgcc_downloadurl="" |
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fi |
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done |
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printLog "user selected $armgcc_downloadurl\n" |
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|
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# if the file already exists, ask the user if it should be downloaded again |
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local armgcc_tarball=$(basename "$armgcc_downloadurl") |
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if [ -e "$armgcc_tarball" ]; then |
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printWarning "$armgcc_tarball already exists. Delete and redownload? [y/n]\n" |
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local userinput="" |
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readUserInput "YyNn" userinput |
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case "$userinput" in |
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Y|y) |
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rm "$armgcc_tarball" |
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wget "$armgcc_downloadurl" | tee -a $LOG_FILE |
454 |
;; |
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N|n) |
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;; |
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*) # sanity check (exit with error) |
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printError "unexpected argument: $userinput\n";; |
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esac |
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else |
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wget "$armgcc_downloadurl" | tee -a $LOG_FILE |
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fi |
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|
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# extract tarball |
465 |
printInfo "extracting ${armgcc_tarball}...\n" |
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tar -jxf "$armgcc_tarball" | tee -a $LOG_FILE |
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local compilerdir=`tar --bzip2 -tf ${armgcc_tarball} | sed -e 's@/.*@@' | uniq` |
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|
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# install gcc arm embedded |
470 |
printLog "read installation directory from user\n" |
471 |
local installdir="" |
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read -p "Installation directory: " -i ${installbasedir}/${compilerdir} -e installdir |
473 |
printLog "user selected $installdir\n" |
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printLog "read link directory\n" |
475 |
read -p "Link directory: " -i $linkdir -e linkdir |
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printLog "user selected $linkdir\n" |
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# if the installation path already exists, ask user to overwrite |
478 |
if [ -d "$installdir" ]; then |
479 |
printWarning "$installdir already exists. Overwrite? [y/n]\n" |
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local userinput="" |
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readUserInput "YyNn" userinput |
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case "$userinput" in |
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Y|y) |
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;; |
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N|n) |
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printWarning "installation aborted by user\n" |
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return 1 |
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;; |
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*) # sanity check (exit with error) |
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printError "invalid option: $userinput\n";; |
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esac |
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# make sure the whole Ãnstallation path exists |
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else |
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while [ ! -d $(dirname "$installdir") ]; do |
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local dir=$(dirname "$installdir") |
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while [ ! -d $(dirname "$dir") ]; do |
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dir=$(dirname "$dir") |
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done |
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echo "mkdir $dir" |
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mkdir "$dir" |
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done |
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fi |
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# copy the extracted compiler folder |
504 |
cp -fR "$compilerdir" "$installdir" |
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# make sure whole link path exists |
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while [ ! -d "$linkdir" ]; do |
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local dir="$linkdir" |
508 |
while [ ! -d $(dirname "$linkdir") ]; do |
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dir=$(dirname "$dir") |
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done |
511 |
mkdir "$dir" |
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done |
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# create / overwrite links |
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ls ${installdir}/bin/ | xargs -i ln -sf ${installdir}/bin/{} ${linkdir}/{} |
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printInfo "default version set to $(arm-none-eabi-gcc -dumpversion)\n" |
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|
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# append the link directory to the PATH environment variable if required |
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if [[ ! "$linkdir" = *"$PATH"* ]]; then |
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local bashrc_file=${HOME}/.bashrc |
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local bashrc_identifier="##### AMiRo ENVIRONMENT CONFIGURATION #####" |
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local bashrc_note="# DO NOT EDIT THESE LINES MANUALLY!" |
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local bashrc_entry="export PATH=\$PATH:$linkdir" |
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|
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# find and edit old entry, or append a new one to the file |
525 |
local bashrc_idlines=$(grep -x -n "$bashrc_identifier" "$bashrc_file" | cut -f1 -d:) # string of line numbers |
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bashrc_idlines=(${bashrc_idlines//"\n"/" "}) # array of line numbers |
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case ${#bashrc_idlines[@]} in |
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|
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# append a new entry to the BASHRC_FILE |
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0) |
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# make sure the last line is empty |
532 |
if [[ ! $(tail -1 $bashrc_file) =~ ^[\ \t]*$ ]]; then |
533 |
printf "\n" >> $bashrc_file |
534 |
fi |
535 |
# append text to file |
536 |
sed -i '$a'"$bashrc_identifier\n$bashrc_note\n$bashrc_entry\n$bashrc_identifier\n" $bashrc_file |
537 |
# print note |
538 |
printInfo "Your $bashrc_file has been updated. You need to source it to apply the changes in your environment.\n" |
539 |
read -p " Understood!" |
540 |
;; |
541 |
|
542 |
# extend the old entry |
543 |
2) |
544 |
# don't do anything if the line is already present |
545 |
local bashrc_entrylines=$(grep -x -n "$bashrc_entry" $bashrc_file | cut -f1 -d:) # string of line numbers |
546 |
bashrc_entrylines=(${bashrc_entrylines//"\n"/" "}) # array of line numbers |
547 |
if [[ ${#bashrc_entrylines[@]} = 0 ]]; then |
548 |
# insert the entry before the closing identifier |
549 |
sed -i "${bashrc_idlines[1]}"'i'"$bashrc_entry" $bashrc_file |
550 |
# print note |
551 |
printInfo "Your $bashrc_file has been updated. You need to source it to apply the changes in your environment.\n" |
552 |
read -p " Understood!" |
553 |
elif [[ ${#bashrc_entrylines[@]} -eq 1 && ( ${bashrc_entrylines[0]} -lt ${bashrc_idlines[0]} || ${bashrc_entrylines[0]} -gt ${bashrc_idlines[1]} ) ]]; then |
554 |
# print an error that there is an entry at the wrong place |
555 |
printError "corrupted entry in your $bashrc_file detected\n" |
556 |
printf "The following entry was found at the wrong place:\n" |
557 |
printf "\n" |
558 |
printf "$bashrc_entry\n" |
559 |
printf "\n" |
560 |
printf "To fix this, delete the line and rerun this setup.\n" |
561 |
read -p " Understood!" |
562 |
elif [[ ${#bashrc_entrylines[@]} -gt 1 ]]; then |
563 |
# print an error that there are multiple entries |
564 |
printError "corrupted entry in your $bashrc_file detected\n" |
565 |
printf "There are multiple identical entries in your $bashrc_file file.\n" |
566 |
printf "To fix it, make sure that it contains the following line exactly once:\n" |
567 |
printf "\n" |
568 |
printf "$bashrc_entry\n" |
569 |
printf "\n" |
570 |
read -p " Understood!" |
571 |
fi |
572 |
;; |
573 |
|
574 |
# error state (corrupted entry detected) |
575 |
*) |
576 |
printError "unable to append link directory to \$PATH variable\n" |
577 |
printf "There seems to be a broken entry in your $bashrc_file file.\n" |
578 |
printf "To fix it, make sure that the following line appears exactly twice and encloses your AMiRo related settings:\n" |
579 |
printf "\n" |
580 |
printf "$bashrc_identifier\n" |
581 |
printf "\n" |
582 |
read -p " Understood!" |
583 |
;; |
584 |
esac |
585 |
fi |
586 |
|
587 |
# clean up the current directory |
588 |
rm "$armgcc_tarball" |
589 |
rm -rf "$compilerdir" |
590 |
|
591 |
return 0 |
592 |
} |
593 |
|
594 |
### uninstall a version ######################################################## |
595 |
# Select an installed version and uninstall it from the system. |
596 |
# |
597 |
# usage: uninstallVersion <versions> <current_idx> <linkdir> |
598 |
# arguments: <version> |
599 |
# Array of available versions (full path to binary). |
600 |
# <current_idx> |
601 |
# Index of the currently selected version in the array. |
602 |
# <linkdir> |
603 |
# Path where to delete old links. |
604 |
# return: 0 |
605 |
# No error or warning occurred. |
606 |
# 1 |
607 |
# Warning: Installation aborted by user. |
608 |
# -1 |
609 |
# Error: An exception occurred. |
610 |
# |
611 |
function uninstallVersion { |
612 |
local versions=("${!1}") |
613 |
local current_idx="$2" |
614 |
local linkdir="$3" |
615 |
|
616 |
# check whether at least two installations were detected |
617 |
if [ ${#versions[@]} -eq 0 ]; then |
618 |
printError "no installation detected\n" |
619 |
return -1 |
620 |
else |
621 |
# print all available versions |
622 |
printInfo "choose the installation to uninstall to or type 'A' to abort:\n" |
623 |
for (( cnt=0; cnt<${#versions[@]}; ++cnt )); do |
624 |
if [ $cnt -eq $current_idx ]; then |
625 |
printf "*%3u: %s\n" $(($cnt + 1)) ${versions[$cnt]} |
626 |
else |
627 |
printf " %3u: %s\n" $(($cnt + 1)) ${versions[$cnt]} |
628 |
fi |
629 |
done |
630 |
|
631 |
# read user selection |
632 |
printLog "read user slection\n" |
633 |
local userinput="" |
634 |
while [ -z $userinput ] ; do |
635 |
read -p "your selection: " -e userinput |
636 |
printLog "user selection: $userinput\n" |
637 |
if [[ ! "$userinput" =~ ^[0-9]+$ ]] || [ ! "$userinput" -gt 0 ] || [ ! "$userinput" -le ${#versions[@]} ] && [[ ! "$userinput" =~ ^[Aa]$ ]]; then |
638 |
printWarning "Please enter an integer between 1 and ${#versions[@]} or 'A' to abort.\n" |
639 |
userinput="" |
640 |
fi |
641 |
if [ ${#versions[@]} -gt 1 ] && [ $((userinput - 1)) -eq $current_idx ]; then |
642 |
printWarning "Unable to uninstall currently selected version (as long as there are others).\n" |
643 |
userinput="" |
644 |
fi |
645 |
done |
646 |
|
647 |
if [[ "$userinput" =~ ^[Aa]$ ]]; then |
648 |
printWarning "aborted by user\n" |
649 |
return 1 |
650 |
else |
651 |
local idx=$((userinput - 1)) |
652 |
printf "\n" |
653 |
# prompt selected and aks user for confirmation |
654 |
printInfo "${versions[$idx]} will be removed. Continue? [y/n]\n" |
655 |
readUserInput "YyNn" userinput |
656 |
case "$userinput" in |
657 |
Y|y) |
658 |
;; |
659 |
N|n) |
660 |
printWarning "uninstallation process aborted by user\n" |
661 |
return 1 |
662 |
;; |
663 |
*) # sanity check (exit with error) |
664 |
printError "invalid option: $userinput\n" |
665 |
return -1 |
666 |
;; |
667 |
esac |
668 |
# find and delete any links pointing to the version to be deleted |
669 |
for link in `find $linkdir -maxdepth 1 -type l`; do |
670 |
local l=$link |
671 |
# follow the link to the actual binary |
672 |
while [ -L $l ]; do |
673 |
# differentiate between relative and absolute paths |
674 |
if [[ $(readlink $l) = /* ]]; then |
675 |
l=$(readlink $l) |
676 |
else |
677 |
l=$(realpath $(dirname $l)/$(readlink $l)) |
678 |
fi |
679 |
done |
680 |
# delete the link if it points to the version to be uninstalled |
681 |
if [ $(dirname $l) == $(dirname ${versions[$idx]}) ]; then |
682 |
rm $link |
683 |
fi |
684 |
done |
685 |
# delete the version directory (assumed to be one directory up) |
686 |
rm -rf $(realpath $(dirname ${versions[$idx]})/..) |
687 |
printInfo "${versions[$idx]} has been removed.\n" |
688 |
fi |
689 |
fi |
690 |
|
691 |
return 0 |
692 |
} |
693 |
|
694 |
### change default version ##################################################### |
695 |
# Change the default arm-none-eabi-gcc version. |
696 |
# |
697 |
# usage: changeDefaultVersion <versions> <linkdir> |
698 |
# argumenst: <versions> |
699 |
# Array of available versions (full path to binary). |
700 |
# <linkdir> |
701 |
# Path where to delete old and create new links. |
702 |
# return: 0 |
703 |
# No error or warnign occurred. |
704 |
# -1 |
705 |
# Error: no installation detected. |
706 |
# |
707 |
function changeDefaultVersion { |
708 |
local versions=("${!1}") |
709 |
local linkdir="$2" |
710 |
|
711 |
# check whether an installation was detected |
712 |
if [ ${#versions[@]} -eq 0 ]; then |
713 |
printError "no installation detected\n" |
714 |
return -1 |
715 |
else |
716 |
# print all available versions |
717 |
printInfo "choose the installation to switch to or type 'A' to abort:\n" |
718 |
for (( cnt=0; cnt<${#versions[@]}; ++cnt )); do |
719 |
printf " %2u: %s\n" $(($cnt + 1)) ${versions[$cnt]} |
720 |
done |
721 |
|
722 |
# read user selection |
723 |
printLog "read user slection\n" |
724 |
local userinput="" |
725 |
while [[ ! "$userinput" =~ ^[0-9]+$ ]] || [ ! "$userinput" -gt 0 ] || [ ! "$userinput" -le ${#versions[@]} ] && [[ ! "$userinput" =~ ^[Aa]$ ]]; do |
726 |
read -p "your selection: " -e userinput |
727 |
printLog "user selection: $userinput\n" |
728 |
if [[ ! "$userinput" =~ ^[0-9]+$ ]] || [ ! "$userinput" -gt 0 ] || [ ! "$userinput" -le ${#versions[@]} ] && [[ ! "$userinput" =~ ^[Aa]$ ]]; then |
729 |
printWarning "Please enter an integer between 1 and ${#versions[@]} or 'A' to abort.\n" |
730 |
fi |
731 |
done |
732 |
|
733 |
if [[ "$userinput" =~ ^[Aa]$ ]]; then |
734 |
printWarning "aborted by user\n" |
735 |
else |
736 |
local idx=$((userinput - 1)) |
737 |
# find and delete old links |
738 |
rm `find $linkdir -maxdepth 1 -type l | grep -Ev "*[0-9]\.[0-9]\.[0-9]"` |
739 |
# create new links |
740 |
local bindir=$(dirname ${versions[$idx]}) |
741 |
ls $bindir | xargs -i ln -sf $bindir/{} $linkdir/{} |
742 |
printInfo "default version set to $(arm-none-eabi-gcc -dumpversion)\n" |
743 |
fi |
744 |
fi |
745 |
|
746 |
return 0 |
747 |
} |
748 |
|
749 |
### main function of this script ############################################### |
750 |
# The IDE setup lets the user select an IDE of choice. |
751 |
# As of now, only QtCreator is supported. |
752 |
# |
753 |
# usage: see function printHelp |
754 |
# arguments: see function printHelp |
755 |
# return: 0 |
756 |
# No error or warning occurred. |
757 |
# |
758 |
function main { |
759 |
# print welcome/info text if not suppressed |
760 |
if [[ $@ != *"--noinfo"* ]]; then |
761 |
printWelcomeText |
762 |
else |
763 |
printf "######################################################################\n" |
764 |
fi |
765 |
printf "\n" |
766 |
|
767 |
# if --help or -h was specified, print the help text and exit |
768 |
if [[ $@ == *"--help"* || $@ == *"-h"* ]]; then |
769 |
printHelp |
770 |
printf "\n" |
771 |
quitScript |
772 |
fi |
773 |
|
774 |
# set log file if specified |
775 |
if [[ $@ == *"--log"* ]] || [[ $@ == *"--LOG"* ]]; then |
776 |
# get the parameter (file name) |
777 |
local cmdidx=1 |
778 |
while [[ ! "${!cmdidx}" = "--log"* ]] && [[ ! "${!cmdidx}" = "--LOG"* ]]; do |
779 |
cmdidx=$[cmdidx + 1] |
780 |
done |
781 |
local cmd="${!cmdidx}" |
782 |
local logfile="" |
783 |
if [[ "$cmd" = "--log="* ]] || [[ "$cmd" = "--LOG="* ]]; then |
784 |
logfile=${cmd#*=} |
785 |
else |
786 |
local filenameidx=$((cmdidx + 1)) |
787 |
logfile="${!filenameidx}" |
788 |
fi |
789 |
# optionally force silent appending |
790 |
if [[ "$cmd" = "--LOG"* ]]; then |
791 |
setLogFile --option=c --quiet "$logfile" LOG_FILE |
792 |
else |
793 |
setLogFile "$logfile" LOG_FILE |
794 |
printf "\n" |
795 |
fi |
796 |
fi |
797 |
# log script name |
798 |
printLog "this is $(realpath ${BASH_SOURCE[0]})\n" |
799 |
|
800 |
# detect installed versions and inform user |
801 |
local installedversions=() |
802 |
local currentversion="" |
803 |
local currentversionidx="n/a" |
804 |
detectInstalledVersions installedversions currentversion currentversionidx |
805 |
case "${#installedversions[@]}" in |
806 |
0) |
807 |
printInfo "no installation has been detected\n";; |
808 |
1) |
809 |
printInfo "1 installation has been detected:\n";; |
810 |
*) |
811 |
printInfo "${#installedversions[@]} installations have been detected:\n";; |
812 |
esac |
813 |
for (( idx=0; idx<${#installedversions[@]}; ++idx )); do |
814 |
if [ ${installedversions[$idx]} = "$currentversion" ]; then |
815 |
printInfo " * ${installedversions[$idx]}\n" |
816 |
else |
817 |
printInfo " ${installedversions[$idx]}\n" |
818 |
fi |
819 |
done |
820 |
printf "\n" |
821 |
|
822 |
# parse arguments |
823 |
local otherargs=() |
824 |
while [ $# -gt 0 ]; do |
825 |
if ( parseIsOption $1 ); then |
826 |
case "$1" in |
827 |
-h|--help) # already handled; ignore |
828 |
shift 1;; |
829 |
-i|--install) |
830 |
if [ -z "$currentversion" ]; then |
831 |
installNewVersion |
832 |
else |
833 |
installNewVersion --install=$(realpath $(dirname $currentversion)/../..) --link=$(realpath $(dirname $currentversion)/../..) |
834 |
fi |
835 |
detectInstalledVersions installedversions currentversion currentversionidx |
836 |
printf "\n"; shift 1;; |
837 |
-u|--uninstall) |
838 |
if [ ! -z "$currentversion" ]; then |
839 |
uninstallVersion installedversions[@] $currentversionidx $(realpath $(dirname $currentversion)/../..) |
840 |
detectInstalledVersions installedversions currentversion currentversionidx |
841 |
else |
842 |
printError "no installation detected\n" |
843 |
fi |
844 |
printf "\n"; shift 1;; |
845 |
-c|--change) |
846 |
if [ ! -z "$currentversion" ]; then |
847 |
changeDefaultVersion installedversions[@] $(realpath $(dirname $currentversion)/../..) |
848 |
else |
849 |
printError "no installation detected\n" |
850 |
fi |
851 |
printf "\n"; shift 1;; |
852 |
-q|--quit) |
853 |
quitScript; shift 1;; |
854 |
--log=*|--LOG=*) # already handled; ignore |
855 |
shift 1;; |
856 |
--log|--LOG) # already handled; ignore |
857 |
shift 2;; |
858 |
--noinfo) # already handled; ignore |
859 |
shift 1;; |
860 |
*) |
861 |
printError "invalid option: $1\n"; shift 1;; |
862 |
esac |
863 |
else |
864 |
otherargs+=("$1") |
865 |
shift 1 |
866 |
fi |
867 |
done |
868 |
|
869 |
# interactive menu |
870 |
while ( true ); do |
871 |
# main menu info prompt and selection |
872 |
printInfo "GCC setup main menu\n" |
873 |
printf "Please select one of the following actions:\n" |
874 |
printf " [I] - install another version\n" |
875 |
printf " [U] - uninstall a version\n" |
876 |
printf " [C] - change default version\n" |
877 |
printf " [Q] - quit this setup\n" |
878 |
local userinput="" |
879 |
readUserInput "IiUuCcQq" userinput |
880 |
printf "\n" |
881 |
|
882 |
# evaluate user selection |
883 |
case "$userinput" in |
884 |
I|i) |
885 |
if [ -z "$currentversion" ]; then |
886 |
installNewVersion |
887 |
else |
888 |
installNewVersion --install=$(realpath $(dirname $currentversion)/../..) --link=$(realpath $(dirname $currentversion)/../..) |
889 |
fi |
890 |
detectInstalledVersions installedversions currentversion currentversionidx |
891 |
printf "\n";; |
892 |
U|u) |
893 |
if [ ! -z "$currentversion" ]; then |
894 |
uninstallVersion installedversions[@] $currentversionidx $(realpath $(dirname $currentversion)/../..) |
895 |
detectInstalledVersions installedversions currentversion currentversionidx |
896 |
else |
897 |
printError "no installation detected\n" |
898 |
fi |
899 |
printf "\n";; |
900 |
C|c) |
901 |
if [ ! -z "$currentversion" ]; then |
902 |
changeDefaultVersion installedversions[@] $(realpath $(dirname $currentversion)/../..) |
903 |
else |
904 |
printError "no installation detected\n" |
905 |
fi |
906 |
printf "\n";; |
907 |
Q|q) |
908 |
quitScript;; |
909 |
*) # sanity check (exit with error) |
910 |
printError "unexpected argument: $userinput\n";; |
911 |
esac |
912 |
done |
913 |
|
914 |
exit 0 |
915 |
} |
916 |
|
917 |
################################################################################ |
918 |
# SCRIPT ENTRY POINT # |
919 |
################################################################################ |
920 |
|
921 |
main "$@" |