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1 #!/bin/bash
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2
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3 # This is based on Tobias Fischer's universalJavaApplicationStub:
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4 # https://github.com/tofi86/universalJavaApplicationStub
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5 #
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6 # Therefore this part of JpegWasher is covered by the same MIT license
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7 # that his code is:
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8 #
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9 # The MIT License (MIT)
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10 #
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11 # Copyright (c) 2014-2020 Tobias Fischer
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12 #
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13 # Permission is hereby granted, free of charge, to any person obtaining a copy
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14 # of this software and associated documentation files (the "Software"), to deal
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15 # in the Software without restriction, including without limitation the rights
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16 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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17 # copies of the Software, and to permit persons to whom the Software is
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18 # furnished to do so, subject to the following conditions:
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19 #
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20 # The above copyright notice and this permission notice shall be included in all
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21 # copies or substantial portions of the Software.
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22 #
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23 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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24 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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25 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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26 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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27 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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28 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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29 # SOFTWARE.
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30
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31 # Establish our application names
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32 appname="@app.name@"
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33 appdom="@app.domain@"
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34
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35 # Make a place for our logs to go
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36 appsupp="$HOME/Library/Application Support/$appdom"
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37 logfile="$appsupp/launcher.log"
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38
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39 function die {
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40 osascript -e "tell application \"System Events\" to display dialog \"${1}\" with title \"Fatal Error\" buttons {\" OK \"} default button 1"
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41 exit ${2:-1}
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42 }
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43
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44 # Initialize files and dirs, bail if we can't.
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45 if [ ! -d "$appsupp" ]
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46 then
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47 if ! mkdir -p "$appsupp"
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48 then
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49 die "Unable to create folder '$appsupp'" 2
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50 fi
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51 fi
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52 > "$logfile"
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53 if [ $? -ne 0 ]
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54 then
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55 die "Unable to create file '$logfile'" 2
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56 fi
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57
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58 function stub_logger {
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59 echo "$(date +%c) - $1" >> "$logfile"
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60 }
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61
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62 # Was originally just for debugging, but I think this could be useful
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63 # for later troubleshooting "in the wild."
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64 stub_logger "execution begins"
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65 {
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66 echo "****** BEGIN ARGUMENT AND ENVIRONMENT DUMP *******"
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67 echo "Arguments:" "$0" "$@"
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68 echo "Directory:" $(pwd)
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69 env
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70 echo "******* END ARGUMENT AND ENVIRONMENT DUMP ********"
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71 } >> "$logfile"
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72
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73 # Change to the application root directory, two up from where this script
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74 # (which should contain an absolute path) is.
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75 mydir="${0%/*}"
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76 cd "$mydir/../.." || die "Unable to cd '$mydir/../..'"
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77
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78 # Determine where Java is, bail if we can't.
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79 if [ -n "$JAVA_HOME" ]
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80 then
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81 if [ ! -d "$JAVA_HOME" ]
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82 then
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83 die "'$JAVA_HOME' does not exist"
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84 fi
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85 else
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86 export JAVA_HOME="$(/usr/libexec/java_home)"
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87 if [ $? -ne 0 -o ! -d "$JAVA_HOME" ]
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88 then
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89 die "Unable to locate Java."
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90 fi
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91 fi
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92
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93 java="$JAVA_HOME/bin/java"
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94 if [ ! -x "$java" ]
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95 then
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96 die "'$java' not found or not executable"
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97 fi
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98
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99 function plist_get {
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100 /usr/libexec/PlistBuddy -c "print $1" Contents/Info.plist 2> /dev/null
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101 }
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102 function must_get {
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103 plist_get "$@" || die "Info.plist key '$1' not found."
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104 }
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105
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106 # Load some parameters from Contents/Info.plist
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107 estat=0
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108 CFBundleName=$(must_get ':CFBundleName')
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109 CFBundleIconFile=$(must_get ':CFBundleIconFile')
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110 JVMMainClassName=$(must_get ':JVMMainClassName')
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111 JVMClassPath=$(must_get ':JVMClassPath')
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112 JVMVersion=$(must_get ':JVMVersion')
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113
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114 # Sanity check our JVM version
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115 if [[ "$JVMVersion" == *+ ]]
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116 then
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117 op='>'
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118 JVMVersion="${JVMVersion%+}"
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119 else
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120 op='='
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121 fi
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122 version=$("$java" -version 2>&1 | awk '/version/{print $3}' | sed -E -e 's/"//g' -e 's/-ea//g')
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123 if [ ! "$version" "$op" "$JVMVersion" ]
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124 then
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125 die "'$java' too old"
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126 fi
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127
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128 # Load the JVMOptions array (if found)
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129 JVMOptions=()
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130 let i=0
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131 while true
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132 do
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133 j="$(plist_get :JVMOptions:$i)"
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134 if [ -z "$j" ]
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135 then
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136 break
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137 fi
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138 JVMOptions+=("$j")
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139 let i+=1
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140 done
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141
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142 # Fatal error if we cannot change to HOME or HOME not defined
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143 approot="$(pwd)"
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144 if [ -z "$HOME" ]
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145 then
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146 die "HOME not defined!"
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147 fi
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148 cd "$HOME" || die "Unable to cd '$HOME'"
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149
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150 # And off we go!
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151 jcmd=( "$JAVA_HOME/bin/java" -cp "$approot/$JVMClassPath"
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152 -Xdock:icon="$approot/Contents/Resources/$CFBundleIconFile"
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153 -Xdock:name="$CFBundleName" "${JVMOptions[@]}" "$JVMMainClassName" )
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154
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155 stub_logger "Executing: ${jcmd[*]}"
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156 exec "${jcmd[@]}"
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157
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158 # This shouldn't happen...
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159 die "Could not launch Java."
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