| [baf4cc4] | 1 | #!/bin/sh
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| 2 |
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| 3 | #
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| 4 | # Copyright © 2015-2021 the original authors.
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| 5 | #
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| 6 | # Licensed under the Apache License, Version 2.0 (the "License");
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| 7 | # you may not use this file except in compliance with the License.
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| 8 | # You may obtain a copy of the License at
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| 9 | #
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| 10 | # https://www.apache.org/licenses/LICENSE-2.0
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| 11 | #
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| 12 | # Unless required by applicable law or agreed to in writing, software
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| 13 | # distributed under the License is distributed on an "AS IS" BASIS,
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| 14 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 15 | # See the License for the specific language governing permissions and
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| 16 | # limitations under the License.
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| 17 | #
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| 18 |
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| 19 | ##############################################################################
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| 20 | #
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| 21 | # Gradle start up script for POSIX generated by Gradle.
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| 22 | #
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| 23 | # Important for running:
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| 24 | #
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| 25 | # (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
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| 26 | # noncompliant, but you have some other compliant shell such as ksh or
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| 27 | # bash, then to run this script, type that shell name before the whole
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| 28 | # command line, like:
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| 29 | #
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| 30 | # ksh Gradle
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| 31 | #
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| 32 | # Busybox and similar reduced shells will NOT work, because this script
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| 33 | # requires all of these POSIX shell features:
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| 34 | # * functions;
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| 35 | # * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
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| 36 | # «${var#prefix}», «${var%suffix}», and «$( cmd )»;
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| 37 | # * compound commands having a testable exit status, especially «case»;
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| 38 | # * various built-in commands including «command», «set», and «ulimit».
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| 39 | #
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| 40 | # Important for patching:
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| 41 | #
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| 42 | # (2) This script targets any POSIX shell, so it avoids extensions provided
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| 43 | # by Bash, Ksh, etc; in particular arrays are avoided.
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| 44 | #
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| 45 | # The "traditional" practice of packing multiple parameters into a
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| 46 | # space-separated string is a well documented source of bugs and security
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| 47 | # problems, so this is (mostly) avoided, by progressively accumulating
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| 48 | # options in "$@", and eventually passing that to Java.
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| 49 | #
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| 50 | # Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
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| 51 | # and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
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| 52 | # see the in-line comments for details.
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| 53 | #
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| 54 | # There are tweaks for specific operating systems such as AIX, CygWin,
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| 55 | # Darwin, MinGW, and NonStop.
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| 56 | #
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| 57 | # (3) This script is generated from the Groovy template
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| 58 | # https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
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| 59 | # within the Gradle project.
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| 60 | #
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| 61 | # You can find Gradle at https://github.com/gradle/gradle/.
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| 62 | #
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| 63 | ##############################################################################
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| 64 |
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| 65 | # Attempt to set APP_HOME
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| 66 |
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| 67 | # Resolve links: $0 may be a link
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| 68 | app_path=$0
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| 69 |
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| 70 | # Need this for daisy-chained symlinks.
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| 71 | while
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| 72 | APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path
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| 73 | [ -h "$app_path" ]
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| 74 | do
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| 75 | ls=$( ls -ld "$app_path" )
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| 76 | link=${ls#*' -> '}
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| 77 | case $link in #(
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| 78 | /*) app_path=$link ;; #(
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| 79 | *) app_path=$APP_HOME$link ;;
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| 80 | esac
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| 81 | done
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| 82 |
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| 83 | # This is normally unused
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| 84 | # shellcheck disable=SC2034
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| 85 | APP_BASE_NAME=${0##*/}
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| 86 | # Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
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| 87 | APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit
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| 88 |
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| 89 | # Use the maximum available, or set MAX_FD != -1 to use that value.
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| 90 | MAX_FD=maximum
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| 91 |
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| 92 | warn () {
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| 93 | echo "$*"
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| 94 | } >&2
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| 95 |
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| 96 | die () {
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| 97 | echo
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| 98 | echo "$*"
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| 99 | echo
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| 100 | exit 1
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| 101 | } >&2
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| 102 |
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| 103 | # OS specific support (must be 'true' or 'false').
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| 104 | cygwin=false
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| 105 | msys=false
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| 106 | darwin=false
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| 107 | nonstop=false
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| 108 | case "$( uname )" in #(
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| 109 | CYGWIN* ) cygwin=true ;; #(
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| 110 | Darwin* ) darwin=true ;; #(
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| 111 | MSYS* | MINGW* ) msys=true ;; #(
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| 112 | NONSTOP* ) nonstop=true ;;
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| 113 | esac
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| 114 |
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| 115 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
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| 116 |
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| 117 |
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| 118 | # Determine the Java command to use to start the JVM.
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| 119 | if [ -n "$JAVA_HOME" ] ; then
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| 120 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
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| 121 | # IBM's JDK on AIX uses strange locations for the executables
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| 122 | JAVACMD=$JAVA_HOME/jre/sh/java
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| 123 | else
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| 124 | JAVACMD=$JAVA_HOME/bin/java
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| 125 | fi
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| 126 | if [ ! -x "$JAVACMD" ] ; then
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| 127 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
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| 128 |
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| 129 | Please set the JAVA_HOME variable in your environment to match the
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| 130 | location of your Java installation."
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| 131 | fi
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| 132 | else
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| 133 | JAVACMD=java
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| 134 | if ! command -v java >/dev/null 2>&1
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| 135 | then
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| 136 | die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
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| 137 |
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| 138 | Please set the JAVA_HOME variable in your environment to match the
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| 139 | location of your Java installation."
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| 140 | fi
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| 141 | fi
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| 142 |
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| 143 | # Increase the maximum file descriptors if we can.
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| 144 | if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
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| 145 | case $MAX_FD in #(
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| 146 | max*)
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| 147 | # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
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| 148 | # shellcheck disable=SC2039,SC3045
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| 149 | MAX_FD=$( ulimit -H -n ) ||
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| 150 | warn "Could not query maximum file descriptor limit"
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| 151 | esac
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| 152 | case $MAX_FD in #(
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| 153 | '' | soft) :;; #(
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| 154 | *)
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| 155 | # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
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| 156 | # shellcheck disable=SC2039,SC3045
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| 157 | ulimit -n "$MAX_FD" ||
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| 158 | warn "Could not set maximum file descriptor limit to $MAX_FD"
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| 159 | esac
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| 160 | fi
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| 161 |
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| 162 | # Collect all arguments for the java command, stacking in reverse order:
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| 163 | # * args from the command line
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| 164 | # * the main class name
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| 165 | # * -classpath
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| 166 | # * -D...appname settings
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| 167 | # * --module-path (only if needed)
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| 168 | # * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
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| 169 |
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| 170 | # For Cygwin or MSYS, switch paths to Windows format before running java
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| 171 | if "$cygwin" || "$msys" ; then
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| 172 | APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
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| 173 | CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
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| 174 |
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| 175 | JAVACMD=$( cygpath --unix "$JAVACMD" )
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| 176 |
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| 177 | # Now convert the arguments - kludge to limit ourselves to /bin/sh
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| 178 | for arg do
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| 179 | if
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| 180 | case $arg in #(
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| 181 | -*) false ;; # don't mess with options #(
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| 182 | /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath
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| 183 | [ -e "$t" ] ;; #(
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| 184 | *) false ;;
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| 185 | esac
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| 186 | then
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| 187 | arg=$( cygpath --path --ignore --mixed "$arg" )
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| 188 | fi
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| 189 | # Roll the args list around exactly as many times as the number of
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| 190 | # args, so each arg winds up back in the position where it started, but
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| 191 | # possibly modified.
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| 192 | #
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| 193 | # NB: a `for` loop captures its iteration list before it begins, so
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| 194 | # changing the positional parameters here affects neither the number of
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| 195 | # iterations, nor the values presented in `arg`.
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| 196 | shift # remove old arg
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| 197 | set -- "$@" "$arg" # push replacement arg
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| 198 | done
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| 199 | fi
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| 200 |
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| 201 |
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| 202 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
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| 203 | DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
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| 204 |
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| 205 | # Collect all arguments for the java command:
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| 206 | # * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
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| 207 | # and any embedded shellness will be escaped.
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| 208 | # * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
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| 209 | # treated as '${Hostname}' itself on the command line.
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| 210 |
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| 211 | set -- \
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| 212 | "-Dorg.gradle.appname=$APP_BASE_NAME" \
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| 213 | -classpath "$CLASSPATH" \
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| 214 | org.gradle.wrapper.GradleWrapperMain \
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| 215 | "$@"
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| 216 |
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| 217 | # Stop when "xargs" is not available.
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| 218 | if ! command -v xargs >/dev/null 2>&1
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| 219 | then
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| 220 | die "xargs is not available"
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| 221 | fi
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| 222 |
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| 223 | # Use "xargs" to parse quoted args.
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| 224 | #
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| 225 | # With -n1 it outputs one arg per line, with the quotes and backslashes removed.
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| 226 | #
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| 227 | # In Bash we could simply go:
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| 228 | #
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| 229 | # readarray ARGS < <( xargs -n1 <<<"$var" ) &&
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| 230 | # set -- "${ARGS[@]}" "$@"
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| 231 | #
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| 232 | # but POSIX shell has neither arrays nor command substitution, so instead we
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| 233 | # post-process each arg (as a line of input to sed) to backslash-escape any
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| 234 | # character that might be a shell metacharacter, then use eval to reverse
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| 235 | # that process (while maintaining the separation between arguments), and wrap
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| 236 | # the whole thing up as a single "set" statement.
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| 237 | #
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| 238 | # This will of course break if any of these variables contains a newline or
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| 239 | # an unmatched quote.
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| 240 | #
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| 241 |
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| 242 | eval "set -- $(
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| 243 | printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
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| 244 | xargs -n1 |
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| 245 | sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
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| 246 | tr '\n' ' '
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| 247 | )" '"$@"'
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| 248 |
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| 249 | exec "$JAVACMD" "$@"
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