amiro-apps / middleware / middlewaresetup.sh @ b74d5ee3
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1 | b1f38b27 | Thomas Schöpping | ################################################################################ |
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2 | # AMiRo-Apps is a collection of applications for the Autonomous Mini Robot # |
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3 | # (AMiRo) platform. # |
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4 | # Copyright (C) 2018..2018 Thomas Schöpping et al. # |
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5 | # # |
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6 | # This program is free software: you can redistribute it and/or modify # |
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7 | # it under the terms of the GNU General Public License as published by # |
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8 | # the Free Software Foundation, either version 3 of the License, or # |
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9 | # (at your option) any later version. # |
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10 | # # |
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11 | # This program is distributed in the hope that it will be useful, # |
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12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of # |
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13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # |
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14 | # GNU General Public License for more details. # |
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15 | # # |
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16 | # You should have received a copy of the GNU General Public License # |
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17 | # along with this program. If not, see <http://www.gnu.org/licenses/>. # |
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18 | # # |
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19 | # This research/work was supported by the Cluster of Excellence Cognitive # |
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20 | # Interaction Technology 'CITEC' (EXC 277) at Bielefeld University, which is # |
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21 | # funded by the German Research Foundation (DFG). # |
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22 | ################################################################################ |
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23 | |||
24 | #!/bin/bash |
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25 | |||
26 | ################################################################################ |
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27 | # GENERIC FUNCTIONS # |
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28 | ################################################################################ |
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29 | |||
30 | ### print an error message ##################################################### |
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31 | # Prints a error <message> to standard output. |
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32 | #If variable 'LOG_FILE' is specified, the message is also appended to the given file. |
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33 | # |
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34 | # usage: printError <message> |
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35 | # arguments: <message> |
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36 | # Message string to print. |
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37 | # return: n/a |
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38 | # |
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39 | function printError { |
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40 | local string="ERROR: $1" |
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41 | # if a log file is specified |
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42 | if [ -n "$LOG_FILE" ]; then |
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43 | printf "[$(date '+%Y-%m-%d %H:%M:%S')] $string" >> $LOG_FILE |
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44 | fi |
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45 | printf "$(tput setaf 1)>>> $string$(tput sgr 0)" 1>&2 |
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46 | } |
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47 | |||
48 | ### print a warning message #################################################### |
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49 | # Prints a warning <message> to standard output. |
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50 | #If variable 'LOG_FILE' is specified, the message is also appended to the given file. |
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51 | # |
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52 | # usage: printMessage <message> |
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53 | # arguments: <message> |
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54 | # Message string to print. |
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55 | # return: n/a |
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56 | # |
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57 | function printWarning { |
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58 | local string="WARNING: $1" |
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59 | # if a log file is specified |
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60 | if [ -n "$LOG_FILE" ]; then |
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61 | printf "[$(date '+%Y-%m-%d %H:%M:%S')] $string" >> $LOG_FILE |
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62 | fi |
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63 | printf "$(tput setaf 3)>>> $string$(tput sgr 0)" |
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64 | } |
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65 | |||
66 | ### print an information message ############################################### |
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67 | # Prints an information <message> to standard output. |
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68 | #If variable 'LOG_FILE' is specified, the message is also appended to the given file. |
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69 | # |
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70 | # usage: printInfo <message> |
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71 | # arguments: <message> |
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72 | # Message string to print. |
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73 | # return: n/a |
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74 | # |
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75 | function printInfo { |
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76 | local string="INFO: $1" |
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77 | # if a log file is specified |
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78 | if [ -n "$LOG_FILE" ]; then |
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79 | printf "[$(date '+%Y-%m-%d %H:%M:%S')] $string" >> $LOG_FILE |
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80 | fi |
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81 | printf "$(tput setaf 2)>>> $string$(tput sgr 0)" |
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82 | } |
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83 | |||
84 | ### print a message to file #################################################### |
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85 | # Appends a <message> to a log file, specified by the variable 'LOG_FILE'. |
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86 | # |
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87 | # usage printLog <message> |
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88 | # arguments: <message> |
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89 | # Message string to print. |
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90 | # return: n/a |
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91 | # |
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92 | function printLog { |
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93 | local string="LOG: $1" |
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94 | # if a log file is specified |
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95 | if [ -n "$LOG_FILE" ]; then |
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96 | printf "[$(date '+%Y-%m-%d %H:%M:%S')] $string" >> $LOG_FILE |
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97 | fi |
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98 | } |
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99 | |||
100 | ### exit the script normally ################################################### |
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101 | # Prints a delimiter and exits the script normally (returns 0). |
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102 | # |
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103 | # usage: quitScript |
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104 | # arguments: n/a |
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105 | # return: 0 |
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106 | # No error or warning occurred. |
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107 | # |
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108 | function quitScript { |
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109 | printInfo "exiting $(realpath ${BASH_SOURCE[0]})\n" |
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110 | printf "\n" |
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111 | printf "######################################################################\n" |
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112 | exit 0 |
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113 | } |
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114 | |||
115 | ### read a user input ########################################################## |
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116 | # Reads a single character user input from a set up <options> and stores it in |
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117 | # a given <return> variable. |
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118 | # |
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119 | # usage: readUserInput <options> <return> |
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120 | # arguments: <options> |
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121 | # String definiing the set of valid characters. |
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122 | # If the string is empty, the user can input any character. |
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123 | # <return> |
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124 | # Variable to store the selected character to. |
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125 | # return: n/a |
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126 | # |
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127 | function readUserInput { |
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128 | local input="" |
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129 | # read user input |
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130 | while [ -z $input ] || ( [ -n "$1" ] && [[ ! $input =~ ^[$1]$ ]] ); do |
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131 | read -p "your selection: " -n 1 -e input |
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132 | if [ -z $input ] || ( [ -n "$1" ] && [[ ! $input =~ ^[$1]$ ]] ); then |
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133 | printWarning "[$input] is no valid action\n" |
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134 | fi |
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135 | done |
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136 | printLog "[$input] has been selected\n" |
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137 | eval $2="$input" |
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138 | } |
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139 | |||
140 | ### check whether argument is an option ######################################## |
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141 | # Checks a <string> whether it is an option. |
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142 | # Options are defined to either start with '--' followed by any string, or |
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143 | # to start with a single '-' followed by a single character, or |
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144 | # to start with a single '-' followed by a single character, a '=' and any string. |
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145 | # Examples: '--option', '--option=arg', '-o', '-o=arg', '--' |
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146 | # |
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147 | # usage: parseIsOption <string> |
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148 | # arguments: <string> |
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149 | # A string to check whether it is an option. |
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150 | # return: 0 |
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151 | # <string> is an option. |
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152 | # -1 |
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153 | # <string> is not an option. |
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154 | # |
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155 | function parseIsOption { |
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156 | if [[ "$1" =~ ^-(.$|.=.*) ]] || [[ "$1" =~ ^--.* ]]; then |
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157 | return 0 |
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158 | else |
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159 | return -1 |
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160 | fi |
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161 | } |
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162 | |||
163 | ### set the log file ########################################################### |
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164 | # Sets a specified <infile> as log file and checks whether it already exists. |
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165 | # If so, the log may either be appended to the file, its content can be cleared, |
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166 | # or no log is generated at all. |
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167 | # The resulting path is stored in <outvar>. |
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168 | # |
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169 | # usage: setLogFile [--option=<option>] [--quiet] <infile> <outvar> |
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170 | # arguments: --option=<option> |
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171 | # Select what to do if <file> already exists. |
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172 | # Possible values are 'a', 'c', 'r' and 'n'. |
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173 | # - a: append (starts with a separator) |
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174 | # - c: continue (does not insert a seperator) |
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175 | # - r: delete and restart |
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176 | # - n: no log |
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177 | # If no option is secified but <file> exists, an interactive selection is provided. |
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178 | # --quiet |
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179 | # Suppress all messages. |
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180 | # <infile> |
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181 | # Path of the wanted log file. |
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182 | # <outvar> |
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183 | # Variable to store the path of the log file to. |
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184 | # return: 0 |
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185 | # No error or warning occurred. |
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186 | # -1 |
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187 | # Error: invalid input |
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188 | # |
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189 | function setLogFile { |
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190 | local filepath="" |
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191 | local option="" |
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192 | local quiet=false |
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193 | |||
194 | # parse arguments |
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195 | local otherargs=() |
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196 | while [ $# -gt 0 ]; do |
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197 | if ( parseIsOption $1 ); then |
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198 | case "$1" in |
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199 | -o=*|--option=*) |
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200 | option=${1#*=}; shift 1;; |
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201 | -o*|--option*) |
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202 | option="$2"; shift 2;; |
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203 | -q|--quiet) |
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204 | quiet=true; shift 1;; |
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205 | *) |
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206 | printError "invalid option: $1\n"; shift 1;; |
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207 | esac |
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208 | else |
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209 | otherargs+=("$1") |
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210 | shift 1 |
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211 | fi |
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212 | done |
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213 | filepath=$(realpath ${otherargs[0]}) |
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214 | |||
215 | # if file already exists |
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216 | if [ -e $filepath ]; then |
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217 | # if no option was specified, ask what to do |
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218 | if [ -z "$option" ]; then |
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219 | printWarning "log file $filepath already esists\n" |
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220 | local userinput="" |
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221 | printf "Select what to do:\n" |
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222 | printf " [A] - append log\n" |
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223 | printf " [R] - restart log (delete existing file)\n" |
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224 | printf " [N] - no log\n" |
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225 | readUserInput "AaRrNn" userinput |
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226 | option=${userinput,,} |
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227 | fi |
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228 | # evaluate option |
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229 | case "$option" in |
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230 | a|c) |
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231 | if [ $quiet = false ]; then |
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232 | printInfo "appending log to $filepath\n" |
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233 | fi |
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234 | if [ $option != c ]; then |
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235 | printf "\n" >> $filepath |
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236 | printf "######################################################################\n" >> $filepath |
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237 | printf "\n" >> $filepath |
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238 | fi |
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239 | ;; |
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240 | r) |
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241 | echo -n "" > $filepath |
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242 | if [ $quiet = false ]; then |
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243 | printInfo "content of $filepath wiped\n" |
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244 | fi |
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245 | ;; |
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246 | n) |
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247 | if [ $quiet = false ]; then |
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248 | printInfo "no log file will be generated\n" |
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249 | fi |
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250 | filepath="" |
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251 | ;; |
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252 | *) # sanity check (return error) |
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253 | printError "unexpected argument: $option\n"; return -1;; |
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254 | esac |
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255 | else |
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256 | if [ $quiet = false ]; then |
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257 | printInfo "log file set to $filepath\n" |
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258 | fi |
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259 | fi |
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260 | |||
261 | eval ${otherargs[1]}="$filepath" |
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262 | |||
263 | return 0 |
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264 | } |
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265 | |||
266 | ################################################################################ |
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267 | # SPECIFIC FUNCTIONS # |
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268 | ################################################################################ |
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269 | |||
270 | ### print welcome text ######################################################### |
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271 | # Prints a welcome message to standard out. |
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272 | # |
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273 | # usage: printWelcomeText |
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274 | # arguments: n/a |
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275 | # return: n/a |
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276 | # |
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277 | function printWelcomeText { |
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278 | printf "######################################################################\n" |
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279 | printf "# #\n" |
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280 | printf "# Welcome to the uRtWare submodule setup! #\n" |
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281 | printf "# #\n" |
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282 | printf "######################################################################\n" |
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283 | printf "# #\n" |
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284 | printf "# Copyright (c) 2018..2018 Thomas Schöpping #\n" |
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285 | printf "# #\n" |
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286 | printf "# This is free software; see the source for copying conditions. #\n" |
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287 | printf "# There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR #\n" |
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288 | printf "# A PARTICULAR PURPOSE. The development of this software was #\n" |
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289 | printf "# supported by the Excellence Cluster EXC 227 Cognitive Interaction #\n" |
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290 | printf "# Technology. The Excellence Cluster EXC 227 is a grant of the #\n" |
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291 | printf "# Deutsche Forschungsgemeinschaft (DFG) in the context of the German #\n" |
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292 | printf "# Excellence Initiative. #\n" |
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293 | printf "# #\n" |
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294 | printf "######################################################################\n" |
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295 | } |
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296 | |||
297 | ### print help ################################################################# |
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298 | # Prints a help text to standard out. |
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299 | # |
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300 | # usage: printHelp |
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301 | # arguments: n/a |
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302 | # return: n/a |
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303 | # |
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304 | function printHelp { |
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305 | printInfo "printing help text\n" |
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306 | printf "usage: $(basename ${BASH_SOURCE[0]}) [-h|--help] [-i|--init] [-s|--setup] [-w|--wipe] [-q|--quit] [--log=<file>]\n" |
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307 | printf "options: -h, --help\n" |
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308 | printf " Print this help text.\n" |
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309 | printf " -i, --init\n" |
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310 | printf " Initialize the uRtWare submodule.\n" |
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311 | printf " -w, --wipe\n" |
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312 | printf " Wipe the entire uRtWare submodule.\n" |
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313 | printf " -q, --quit\n" |
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314 | printf " Quit the script.\n" |
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315 | printf " --log=<file> \n" |
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316 | printf " Specify a log file.\n" |
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317 | } |
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318 | |||
319 | ### initialize uRtWare submodule ############################################### |
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320 | # Initialize the uRtWare submodule. |
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321 | # |
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322 | # usage: initUrtware |
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323 | # arguments: n/a |
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324 | # return: 0 |
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325 | # No error or warning occurred. |
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326 | # 1 |
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327 | # Warning: Arborted by user. |
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328 | # -1 |
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329 | # Error: Unexpected user input. |
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330 | # |
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331 | function initUrtware { |
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332 | printInfo "initializing uRtWare submodule...\n" |
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333 | local userdir=$(pwd) |
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334 | local middlewaredir=$(dirname $(realpath ${BASH_SOURCE[0]})) |
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335 | local urtwaredir=${middlewaredir}/uRtWare |
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336 | |||
337 | # if the uRtWare folder is not empty |
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338 | if [ ! -z "$(ls -A $urtwaredir)" ]; then |
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339 | printWarning "$(realpath $urtwaredir) is not empty. Delete and reinitialize? [y/n]\n" |
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340 | local userinput="" |
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341 | readUserInput "YyNn" userinput |
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342 | case $userinput in |
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343 | Y|y) |
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344 | wipeUrtware |
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345 | ;; |
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346 | N|n) |
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347 | printWarning "uRtWare initialization aborted by user\n" |
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348 | return 1 |
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349 | ;; |
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350 | *) # sanity check (return error) |
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351 | printError "unexpected input: $userinput\n"; return -1;; |
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352 | esac |
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353 | fi |
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354 | |||
355 | # initialize submodule to default branch |
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356 | cd $middlewaredir |
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357 | git submodule update --init $urtwaredir 2>&1 | tee -a $LOG_FILE |
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358 | while [ ${PIPESTATUS[0]} -ne 0 ]; do |
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359 | printWarning "initialitaion failed. Retry? [y/n]\n" |
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360 | local userinput="" |
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361 | readUserInput "YyNn" userinput |
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362 | case "$userinput" in |
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363 | Y|y) |
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364 | git submodule update --init $urtwaredir 2>&1 | tee -a $LOG_FILE;; |
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365 | N|n) |
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366 | printWarning "uRtWare initialization aborted by user\n" |
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367 | cd $userdir |
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368 | return 1 |
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369 | ;; |
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370 | *) # sanity check (return error) |
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371 | printError "unexpected input: $userinput\n"; return -1;; |
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372 | esac |
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373 | done |
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374 | cd $userdir |
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375 | |||
376 | return 0 |
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377 | } |
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378 | |||
379 | ### reset uRtWare submodule and wipe directory #################################### |
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380 | # Resets the uRtWare Git submodule and wipes the directory. |
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381 | # |
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382 | # usage: wipeUrtware |
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383 | # arguments: n/a |
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384 | # return: n/a |
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385 | function wipeUrtware { |
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386 | local userdir=$(pwd) |
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387 | local middlewaredir=$(dirname $(realpath ${BASH_SOURCE[0]})) |
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388 | local urtwaredir=${middlewaredir}/uRtWare |
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389 | printInfo "reset and wipe Git submodule $urtwaredir\n" |
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390 | |||
391 | # if the uRtWare folder is empty |
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392 | if [ -z "$(ls -A $urtwaredir)" ]; then |
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393 | printWarning "$urtwaredir is already empty\n" |
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394 | return 1 |
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395 | else |
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396 | # get some information from Git |
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397 | cd $middlewaredir |
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398 | local git_basehash=($(git ls-tree -d HEAD $urtwaredir)); git_basehash=${git_basehash[2]} |
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399 | cd $urtwaredir |
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400 | local git_branch_current=$(git rev-parse --abbrev-ref HEAD) |
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401 | local git_difftobase="$(git diff ${git_basehash}..HEAD)" |
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402 | local git_commits=$(git log --format=oneline ${git_basehash}..HEAD) |
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403 | local git_dirtyfiles=($(git ls-files -dmo --exclude-standard --exclude=/doc)) |
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404 | cd $userdir |
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405 | local issues=0 |
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406 | # if HEAD is ahead of submodule base commit |
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407 | if [ -n "$git_difftobase" ]; then |
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408 | issues=$((issues + 1)) |
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409 | printWarning "HEAD is ahead of submodule base\n" |
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410 | fi |
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411 | # if there are untracked, modified, or deleted files |
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412 | if [ ${#git_dirtyfiles[@]} != 0 ]; then |
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413 | issues=$((issues + 1)) |
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414 | printWarning "there are ${#git_dirtyfiles[@]} untracked, modified, or deleted files\n" |
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415 | fi |
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416 | if [ $issues -gt 0 ]; then |
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417 | local userinput="" |
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418 | printWarning "$issues issues detected. Do you want to continue? [y/n]\n" |
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419 | readUserInput "YyNn" userinput |
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420 | case "$userinput" in |
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421 | Y|y) |
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422 | ;; |
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423 | N|n) |
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424 | printfWarning "wiping uRtWare Git submodule aborted by user\n" |
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425 | return 2 |
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426 | ;; |
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427 | *) # sanity check (return error) |
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428 | printError "unexpected input: $userinput\n"; return -1;; |
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429 | esac |
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430 | fi |
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431 | |||
432 | # checkout base commit and delete all local branches |
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433 | cd $middlewaredir |
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434 | git submodule update --force --checkout $urtwaredir | tee -a $LOG_FILE |
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435 | cd $urtwaredir |
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436 | local git_branches=($(git for-each-ref --format="%(refname)")) |
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437 | for branch in $git_branches; do |
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438 | if [[ $branch = *"heads/"* ]]; then |
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439 | git branch -D ${branch##*/} | tee -a $LOG_FILE |
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440 | fi |
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441 | done |
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442 | cd $userdir |
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443 | |||
444 | # deinitialize uRtWare submodule and delete any remaining files |
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445 | cd $middlewaredir |
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446 | git submodule deinit -f $urtwaredir 2>&1 | tee -a $LOG_FILE |
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447 | rm -rf $urtwaredir/* |
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448 | cd $userdir |
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449 | |||
450 | return 0 |
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451 | fi |
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452 | } |
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453 | |||
454 | ### main function of this script ############################################### |
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455 | # Initializes or wipes the uRtWare Git submodule, and provides an entry point to |
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456 | # its setup. |
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457 | # |
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458 | # usage: see function printHelp |
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459 | # arguments: see function printHelp |
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460 | # return: 0 |
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461 | # No error or warning occurred. |
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462 | # |
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463 | function main { |
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464 | # print welcome/info text if not suppressed |
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465 | if [[ $@ != *"--noinfo"* ]]; then |
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466 | printWelcomeText |
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467 | else |
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468 | printf "######################################################################\n" |
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469 | fi |
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470 | printf "\n" |
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471 | |||
472 | # if --help or -h was specified, print the help text and exit |
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473 | if [[ $@ == *"--help"* || $@ == *"-h"* ]]; then |
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474 | printHelp |
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475 | printf "\n" |
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476 | quitScript |
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477 | fi |
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478 | |||
479 | # set log file if specified |
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480 | if [[ $@ == *"--log"* ]] || [[ $@ == *"--LOG"* ]]; then |
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481 | # get the parameter (file name) |
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482 | local cmdidx=1 |
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483 | while [[ ! "${!cmdidx}" = "--log"* ]] && [[ ! "${!cmdidx}" = "--LOG"* ]]; do |
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484 | cmdidx=$[cmdidx + 1] |
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485 | done |
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486 | local cmd="${!cmdidx}" |
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487 | local logfile="" |
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488 | if [[ "$cmd" = "--log="* ]] || [[ "$cmd" = "--LOG="* ]]; then |
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489 | logfile=${cmd#*=} |
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490 | else |
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491 | local filenameidx=$((cmdidx + 1)) |
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492 | logfile="${!filenameidx}" |
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493 | fi |
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494 | # optionally force silent appending |
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495 | if [[ "$cmd" = "--LOG"* ]]; then |
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496 | setLogFile --option=c --quiet "$logfile" LOG_FILE |
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497 | else |
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498 | setLogFile "$logfile" LOG_FILE |
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499 | printf "\n" |
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500 | fi |
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501 | fi |
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502 | # log script name |
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503 | printLog "this is $(realpath ${BASH_SOURCE[0]})\n" |
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504 | |||
505 | # parse arguments |
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506 | local otherargs=() |
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507 | while [ $# -gt 0 ]; do |
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508 | if ( parseIsOption $1 ); then |
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509 | case "$1" in |
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510 | -h|--help) # already handled; ignore |
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511 | shift 1;; |
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512 | -i|--init) |
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513 | initUrtware; printf "\n"; shift 1;; |
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514 | -w|--wipe) |
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515 | wipeUrtware; printf "\n"; shift 1;; |
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516 | -q|--quit) |
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517 | quitScript; shift 1;; |
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518 | --log=*|--LOG=*) # already handled; ignore |
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519 | shift 1;; |
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520 | --log|--LOG) # already handled; ignore |
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521 | shift 2;; |
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522 | --noinfo) # already handled; ignore |
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523 | shift 1;; |
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524 | *) |
||
525 | printError "invalid option: $1\n"; shift 1;; |
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526 | esac |
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527 | else |
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528 | otherargs+=("$1") |
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529 | shift 1 |
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530 | fi |
||
531 | done |
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532 | |||
533 | # interactive menu |
||
534 | while ( true ); do |
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535 | # main menu info prompt and selection |
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536 | printInfo "Operating system setup main menu\n" |
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537 | printf "Please select one of the following actions:\n" |
||
538 | printf " [I] - initialize uRtWare submodule\n" |
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539 | printf " [W] - wipe uRtWare submodule\n" |
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540 | printf " [Q] - quit this setup\n" |
||
541 | local userinput="" |
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542 | readUserInput "IiWwQq" userinput |
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543 | printf "\n" |
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544 | |||
545 | # evaluate user selection |
||
546 | case "$userinput" in |
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547 | I|i) |
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548 | initUrtware; printf "\n";; |
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549 | W|w) |
||
550 | wipeUrtware; printf "\n";; |
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551 | Q|q) |
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552 | quitScript;; |
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553 | *) # sanity check (exit with error) |
||
554 | printError "unexpected argument: $userinput\n";; |
||
555 | esac |
||
556 | done |
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557 | |||
558 | exit 0 |
||
559 | } |
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560 | |||
561 | ################################################################################ |
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562 | # SCRIPT ENTRY POINT # |
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563 | ################################################################################ |
||
564 | |||
565 | main "$@" |