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#!/bin/sh## Copyright © 2015-2021 the original authors.## Licensed under the Apache License, Version 2.0 (the "License");# you may not use this file except in compliance with the License.# You may obtain a copy of the License at## https://www.apache.org/licenses/LICENSE-2.0## Unless required by applicable law or agreed to in writing, software# distributed under the License is distributed on an "AS IS" BASIS,# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.# See the License for the specific language governing permissions and# limitations under the License.## SPDX-License-Identifier: Apache-2.0################################################################################# Gradle start up script for POSIX generated by Gradle.## Important for running:## (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is# noncompliant, but you have some other compliant shell such as ksh or# bash, then to run this script, type that shell name before the whole# command line, like:## ksh Gradle## Busybox and similar reduced shells will NOT work, because this script# requires all of these POSIX shell features:# * functions;# * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,# «${var#prefix}», «${var%suffix}», and «$( cmd )»;# * compound commands having a testable exit status, especially «case»;# * various built-in commands including «command», «set», and «ulimit».## Important for patching:## (2) This script targets any POSIX shell, so it avoids extensions provided# by Bash, Ksh, etc; in particular arrays are avoided.## The "traditional" practice of packing multiple parameters into a# space-separated string is a well documented source of bugs and security# problems, so this is (mostly) avoided, by progressively accumulating# options in "$@", and eventually passing that to Java.## Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;# see the in-line comments for details.## There are tweaks for specific operating systems such as AIX, CygWin,# Darwin, MinGW, and NonStop.## (3) This script is generated from the Groovy template# https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt# within the Gradle project.## You can find Gradle at https://github.com/gradle/gradle/.################################################################################ Attempt to set APP_HOME# Resolve links: $0 may be a linkapp_path=$0# Need this for daisy-chained symlinks.whileAPP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path[ -h "$app_path" ]dols=$( ls -ld "$app_path" )link=${ls#*' -> '}case $link in #(/*) app_path=$link ;; #(*) app_path=$APP_HOME$link ;;esacdone# This is normally unused# shellcheck disable=SC2034APP_BASE_NAME=${0##*/}# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit# Use the maximum available, or set MAX_FD != -1 to use that value.MAX_FD=maximumwarn () {echo "$*"} >&2die () {echoecho "$*"echoexit 1} >&2# OS specific support (must be 'true' or 'false').cygwin=falsemsys=falsedarwin=falsenonstop=falsecase "$( uname )" in #(CYGWIN* ) cygwin=true ;; #(Darwin* ) darwin=true ;; #(MSYS* | MINGW* ) msys=true ;; #(NONSTOP* ) nonstop=true ;;esacCLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar# Determine the Java command to use to start the JVM.if [ -n "$JAVA_HOME" ] ; thenif [ -x "$JAVA_HOME/jre/sh/java" ] ; then# IBM's JDK on AIX uses strange locations for the executablesJAVACMD=$JAVA_HOME/jre/sh/javaelseJAVACMD=$JAVA_HOME/bin/javafiif [ ! -x "$JAVACMD" ] ; thendie "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOMEPlease set the JAVA_HOME variable in your environment to match thelocation of your Java installation."fielseJAVACMD=javaif ! command -v java >/dev/null 2>&1thendie "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.Please set the JAVA_HOME variable in your environment to match thelocation of your Java installation."fifi# Increase the maximum file descriptors if we can.if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; thencase $MAX_FD in #(max*)# In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.# shellcheck disable=SC2039,SC3045MAX_FD=$( ulimit -H -n ) ||warn "Could not query maximum file descriptor limit"esaccase $MAX_FD in #('' | soft) :;; #(*)# In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.# shellcheck disable=SC2039,SC3045ulimit -n "$MAX_FD" ||warn "Could not set maximum file descriptor limit to $MAX_FD"esacfi# Collect all arguments for the java command, stacking in reverse order:# * args from the command line# * the main class name# * -classpath# * -D...appname settings# * --module-path (only if needed)# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.# For Cygwin or MSYS, switch paths to Windows format before running javaif "$cygwin" || "$msys" ; thenAPP_HOME=$( cygpath --path --mixed "$APP_HOME" )CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )JAVACMD=$( cygpath --unix "$JAVACMD" )# Now convert the arguments - kludge to limit ourselves to /bin/shfor arg doifcase $arg in #(-*) false ;; # don't mess with options #(/?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath[ -e "$t" ] ;; #(*) false ;;esacthenarg=$( cygpath --path --ignore --mixed "$arg" )fi# Roll the args list around exactly as many times as the number of# args, so each arg winds up back in the position where it started, but# possibly modified.## NB: a `for` loop captures its iteration list before it begins, so# changing the positional parameters here affects neither the number of# iterations, nor the values presented in `arg`.shift # remove old argset -- "$@" "$arg" # push replacement argdonefi# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'# Collect all arguments for the java command:# * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,# and any embedded shellness will be escaped.# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be# treated as '${Hostname}' itself on the command line.set -- \"-Dorg.gradle.appname=$APP_BASE_NAME" \-classpath "$CLASSPATH" \org.gradle.wrapper.GradleWrapperMain \"$@"# Stop when "xargs" is not available.if ! command -v xargs >/dev/null 2>&1thendie "xargs is not available"fi# Use "xargs" to parse quoted args.## With -n1 it outputs one arg per line, with the quotes and backslashes removed.## In Bash we could simply go:## readarray ARGS < <( xargs -n1 <<<"$var" ) &&# set -- "${ARGS[@]}" "$@"## but POSIX shell has neither arrays nor command substitution, so instead we# post-process each arg (as a line of input to sed) to backslash-escape any# character that might be a shell metacharacter, then use eval to reverse# that process (while maintaining the separation between arguments), and wrap# the whole thing up as a single "set" statement.## This will of course break if any of these variables contains a newline or# an unmatched quote.#eval "set -- $(printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |xargs -n1 |sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |tr '\n' ' ')" '"$@"'exec "$JAVACMD" "$@"