1*f585d8a3SJacky Wang#!/bin/sh 2*f585d8a3SJacky Wang 3*f585d8a3SJacky Wang# 4*f585d8a3SJacky Wang# Copyright © 2015-2021 the original authors. 5*f585d8a3SJacky Wang# 6*f585d8a3SJacky Wang# Licensed under the Apache License, Version 2.0 (the "License"); 7*f585d8a3SJacky Wang# you may not use this file except in compliance with the License. 8*f585d8a3SJacky Wang# You may obtain a copy of the License at 9*f585d8a3SJacky Wang# 10*f585d8a3SJacky Wang# https://www.apache.org/licenses/LICENSE-2.0 11*f585d8a3SJacky Wang# 12*f585d8a3SJacky Wang# Unless required by applicable law or agreed to in writing, software 13*f585d8a3SJacky Wang# distributed under the License is distributed on an "AS IS" BASIS, 14*f585d8a3SJacky Wang# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15*f585d8a3SJacky Wang# See the License for the specific language governing permissions and 16*f585d8a3SJacky Wang# limitations under the License. 17*f585d8a3SJacky Wang# 18*f585d8a3SJacky Wang 19*f585d8a3SJacky Wang############################################################################## 20*f585d8a3SJacky Wang# 21*f585d8a3SJacky Wang# Gradle start up script for POSIX generated by Gradle. 22*f585d8a3SJacky Wang# 23*f585d8a3SJacky Wang# Important for running: 24*f585d8a3SJacky Wang# 25*f585d8a3SJacky Wang# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is 26*f585d8a3SJacky Wang# noncompliant, but you have some other compliant shell such as ksh or 27*f585d8a3SJacky Wang# bash, then to run this script, type that shell name before the whole 28*f585d8a3SJacky Wang# command line, like: 29*f585d8a3SJacky Wang# 30*f585d8a3SJacky Wang# ksh Gradle 31*f585d8a3SJacky Wang# 32*f585d8a3SJacky Wang# Busybox and similar reduced shells will NOT work, because this script 33*f585d8a3SJacky Wang# requires all of these POSIX shell features: 34*f585d8a3SJacky Wang# * functions; 35*f585d8a3SJacky Wang# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», 36*f585d8a3SJacky Wang# «${var#prefix}», «${var%suffix}», and «$( cmd )»; 37*f585d8a3SJacky Wang# * compound commands having a testable exit status, especially «case»; 38*f585d8a3SJacky Wang# * various built-in commands including «command», «set», and «ulimit». 39*f585d8a3SJacky Wang# 40*f585d8a3SJacky Wang# Important for patching: 41*f585d8a3SJacky Wang# 42*f585d8a3SJacky Wang# (2) This script targets any POSIX shell, so it avoids extensions provided 43*f585d8a3SJacky Wang# by Bash, Ksh, etc; in particular arrays are avoided. 44*f585d8a3SJacky Wang# 45*f585d8a3SJacky Wang# The "traditional" practice of packing multiple parameters into a 46*f585d8a3SJacky Wang# space-separated string is a well documented source of bugs and security 47*f585d8a3SJacky Wang# problems, so this is (mostly) avoided, by progressively accumulating 48*f585d8a3SJacky Wang# options in "$@", and eventually passing that to Java. 49*f585d8a3SJacky Wang# 50*f585d8a3SJacky Wang# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, 51*f585d8a3SJacky Wang# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; 52*f585d8a3SJacky Wang# see the in-line comments for details. 53*f585d8a3SJacky Wang# 54*f585d8a3SJacky Wang# There are tweaks for specific operating systems such as AIX, CygWin, 55*f585d8a3SJacky Wang# Darwin, MinGW, and NonStop. 56*f585d8a3SJacky Wang# 57*f585d8a3SJacky Wang# (3) This script is generated from the Groovy template 58*f585d8a3SJacky Wang# https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt 59*f585d8a3SJacky Wang# within the Gradle project. 60*f585d8a3SJacky Wang# 61*f585d8a3SJacky Wang# You can find Gradle at https://github.com/gradle/gradle/. 62*f585d8a3SJacky Wang# 63*f585d8a3SJacky Wang############################################################################## 64*f585d8a3SJacky Wang 65*f585d8a3SJacky Wang# Attempt to set APP_HOME 66*f585d8a3SJacky Wang 67*f585d8a3SJacky Wang# Resolve links: $0 may be a link 68*f585d8a3SJacky Wangapp_path=$0 69*f585d8a3SJacky Wang 70*f585d8a3SJacky Wang# Need this for daisy-chained symlinks. 71*f585d8a3SJacky Wangwhile 72*f585d8a3SJacky Wang APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path 73*f585d8a3SJacky Wang [ -h "$app_path" ] 74*f585d8a3SJacky Wangdo 75*f585d8a3SJacky Wang ls=$( ls -ld "$app_path" ) 76*f585d8a3SJacky Wang link=${ls#*' -> '} 77*f585d8a3SJacky Wang case $link in #( 78*f585d8a3SJacky Wang /*) app_path=$link ;; #( 79*f585d8a3SJacky Wang *) app_path=$APP_HOME$link ;; 80*f585d8a3SJacky Wang esac 81*f585d8a3SJacky Wangdone 82*f585d8a3SJacky Wang 83*f585d8a3SJacky Wang# This is normally unused 84*f585d8a3SJacky Wang# shellcheck disable=SC2034 85*f585d8a3SJacky WangAPP_BASE_NAME=${0##*/} 86*f585d8a3SJacky Wang# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036) 87*f585d8a3SJacky WangAPP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit 88*f585d8a3SJacky Wang 89*f585d8a3SJacky Wang# Use the maximum available, or set MAX_FD != -1 to use that value. 90*f585d8a3SJacky WangMAX_FD=maximum 91*f585d8a3SJacky Wang 92*f585d8a3SJacky Wangwarn () { 93*f585d8a3SJacky Wang echo "$*" 94*f585d8a3SJacky Wang} >&2 95*f585d8a3SJacky Wang 96*f585d8a3SJacky Wangdie () { 97*f585d8a3SJacky Wang echo 98*f585d8a3SJacky Wang echo "$*" 99*f585d8a3SJacky Wang echo 100*f585d8a3SJacky Wang exit 1 101*f585d8a3SJacky Wang} >&2 102*f585d8a3SJacky Wang 103*f585d8a3SJacky Wang# OS specific support (must be 'true' or 'false'). 104*f585d8a3SJacky Wangcygwin=false 105*f585d8a3SJacky Wangmsys=false 106*f585d8a3SJacky Wangdarwin=false 107*f585d8a3SJacky Wangnonstop=false 108*f585d8a3SJacky Wangcase "$( uname )" in #( 109*f585d8a3SJacky Wang CYGWIN* ) cygwin=true ;; #( 110*f585d8a3SJacky Wang Darwin* ) darwin=true ;; #( 111*f585d8a3SJacky Wang MSYS* | MINGW* ) msys=true ;; #( 112*f585d8a3SJacky Wang NONSTOP* ) nonstop=true ;; 113*f585d8a3SJacky Wangesac 114*f585d8a3SJacky Wang 115*f585d8a3SJacky WangCLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 116*f585d8a3SJacky Wang 117*f585d8a3SJacky Wang 118*f585d8a3SJacky Wang# Determine the Java command to use to start the JVM. 119*f585d8a3SJacky Wangif [ -n "$JAVA_HOME" ] ; then 120*f585d8a3SJacky Wang if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 121*f585d8a3SJacky Wang # IBM's JDK on AIX uses strange locations for the executables 122*f585d8a3SJacky Wang JAVACMD=$JAVA_HOME/jre/sh/java 123*f585d8a3SJacky Wang else 124*f585d8a3SJacky Wang JAVACMD=$JAVA_HOME/bin/java 125*f585d8a3SJacky Wang fi 126*f585d8a3SJacky Wang if [ ! -x "$JAVACMD" ] ; then 127*f585d8a3SJacky Wang die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 128*f585d8a3SJacky Wang 129*f585d8a3SJacky WangPlease set the JAVA_HOME variable in your environment to match the 130*f585d8a3SJacky Wanglocation of your Java installation." 131*f585d8a3SJacky Wang fi 132*f585d8a3SJacky Wangelse 133*f585d8a3SJacky Wang JAVACMD=java 134*f585d8a3SJacky Wang if ! command -v java >/dev/null 2>&1 135*f585d8a3SJacky Wang then 136*f585d8a3SJacky Wang die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 137*f585d8a3SJacky Wang 138*f585d8a3SJacky WangPlease set the JAVA_HOME variable in your environment to match the 139*f585d8a3SJacky Wanglocation of your Java installation." 140*f585d8a3SJacky Wang fi 141*f585d8a3SJacky Wangfi 142*f585d8a3SJacky Wang 143*f585d8a3SJacky Wang# Increase the maximum file descriptors if we can. 144*f585d8a3SJacky Wangif ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then 145*f585d8a3SJacky Wang case $MAX_FD in #( 146*f585d8a3SJacky Wang max*) 147*f585d8a3SJacky Wang # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked. 148*f585d8a3SJacky Wang # shellcheck disable=SC2039,SC3045 149*f585d8a3SJacky Wang MAX_FD=$( ulimit -H -n ) || 150*f585d8a3SJacky Wang warn "Could not query maximum file descriptor limit" 151*f585d8a3SJacky Wang esac 152*f585d8a3SJacky Wang case $MAX_FD in #( 153*f585d8a3SJacky Wang '' | soft) :;; #( 154*f585d8a3SJacky Wang *) 155*f585d8a3SJacky Wang # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked. 156*f585d8a3SJacky Wang # shellcheck disable=SC2039,SC3045 157*f585d8a3SJacky Wang ulimit -n "$MAX_FD" || 158*f585d8a3SJacky Wang warn "Could not set maximum file descriptor limit to $MAX_FD" 159*f585d8a3SJacky Wang esac 160*f585d8a3SJacky Wangfi 161*f585d8a3SJacky Wang 162*f585d8a3SJacky Wang# Collect all arguments for the java command, stacking in reverse order: 163*f585d8a3SJacky Wang# * args from the command line 164*f585d8a3SJacky Wang# * the main class name 165*f585d8a3SJacky Wang# * -classpath 166*f585d8a3SJacky Wang# * -D...appname settings 167*f585d8a3SJacky Wang# * --module-path (only if needed) 168*f585d8a3SJacky Wang# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. 169*f585d8a3SJacky Wang 170*f585d8a3SJacky Wang# For Cygwin or MSYS, switch paths to Windows format before running java 171*f585d8a3SJacky Wangif "$cygwin" || "$msys" ; then 172*f585d8a3SJacky Wang APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) 173*f585d8a3SJacky Wang CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) 174*f585d8a3SJacky Wang 175*f585d8a3SJacky Wang JAVACMD=$( cygpath --unix "$JAVACMD" ) 176*f585d8a3SJacky Wang 177*f585d8a3SJacky Wang # Now convert the arguments - kludge to limit ourselves to /bin/sh 178*f585d8a3SJacky Wang for arg do 179*f585d8a3SJacky Wang if 180*f585d8a3SJacky Wang case $arg in #( 181*f585d8a3SJacky Wang -*) false ;; # don't mess with options #( 182*f585d8a3SJacky Wang /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath 183*f585d8a3SJacky Wang [ -e "$t" ] ;; #( 184*f585d8a3SJacky Wang *) false ;; 185*f585d8a3SJacky Wang esac 186*f585d8a3SJacky Wang then 187*f585d8a3SJacky Wang arg=$( cygpath --path --ignore --mixed "$arg" ) 188*f585d8a3SJacky Wang fi 189*f585d8a3SJacky Wang # Roll the args list around exactly as many times as the number of 190*f585d8a3SJacky Wang # args, so each arg winds up back in the position where it started, but 191*f585d8a3SJacky Wang # possibly modified. 192*f585d8a3SJacky Wang # 193*f585d8a3SJacky Wang # NB: a `for` loop captures its iteration list before it begins, so 194*f585d8a3SJacky Wang # changing the positional parameters here affects neither the number of 195*f585d8a3SJacky Wang # iterations, nor the values presented in `arg`. 196*f585d8a3SJacky Wang shift # remove old arg 197*f585d8a3SJacky Wang set -- "$@" "$arg" # push replacement arg 198*f585d8a3SJacky Wang done 199*f585d8a3SJacky Wangfi 200*f585d8a3SJacky Wang 201*f585d8a3SJacky Wang 202*f585d8a3SJacky Wang# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 203*f585d8a3SJacky WangDEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' 204*f585d8a3SJacky Wang 205*f585d8a3SJacky Wang# Collect all arguments for the java command: 206*f585d8a3SJacky Wang# * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments, 207*f585d8a3SJacky Wang# and any embedded shellness will be escaped. 208*f585d8a3SJacky Wang# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be 209*f585d8a3SJacky Wang# treated as '${Hostname}' itself on the command line. 210*f585d8a3SJacky Wang 211*f585d8a3SJacky Wangset -- \ 212*f585d8a3SJacky Wang "-Dorg.gradle.appname=$APP_BASE_NAME" \ 213*f585d8a3SJacky Wang -classpath "$CLASSPATH" \ 214*f585d8a3SJacky Wang org.gradle.wrapper.GradleWrapperMain \ 215*f585d8a3SJacky Wang "$@" 216*f585d8a3SJacky Wang 217*f585d8a3SJacky Wang# Stop when "xargs" is not available. 218*f585d8a3SJacky Wangif ! command -v xargs >/dev/null 2>&1 219*f585d8a3SJacky Wangthen 220*f585d8a3SJacky Wang die "xargs is not available" 221*f585d8a3SJacky Wangfi 222*f585d8a3SJacky Wang 223*f585d8a3SJacky Wang# Use "xargs" to parse quoted args. 224*f585d8a3SJacky Wang# 225*f585d8a3SJacky Wang# With -n1 it outputs one arg per line, with the quotes and backslashes removed. 226*f585d8a3SJacky Wang# 227*f585d8a3SJacky Wang# In Bash we could simply go: 228*f585d8a3SJacky Wang# 229*f585d8a3SJacky Wang# readarray ARGS < <( xargs -n1 <<<"$var" ) && 230*f585d8a3SJacky Wang# set -- "${ARGS[@]}" "$@" 231*f585d8a3SJacky Wang# 232*f585d8a3SJacky Wang# but POSIX shell has neither arrays nor command substitution, so instead we 233*f585d8a3SJacky Wang# post-process each arg (as a line of input to sed) to backslash-escape any 234*f585d8a3SJacky Wang# character that might be a shell metacharacter, then use eval to reverse 235*f585d8a3SJacky Wang# that process (while maintaining the separation between arguments), and wrap 236*f585d8a3SJacky Wang# the whole thing up as a single "set" statement. 237*f585d8a3SJacky Wang# 238*f585d8a3SJacky Wang# This will of course break if any of these variables contains a newline or 239*f585d8a3SJacky Wang# an unmatched quote. 240*f585d8a3SJacky Wang# 241*f585d8a3SJacky Wang 242*f585d8a3SJacky Wangeval "set -- $( 243*f585d8a3SJacky Wang printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | 244*f585d8a3SJacky Wang xargs -n1 | 245*f585d8a3SJacky Wang sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | 246*f585d8a3SJacky Wang tr '\n' ' ' 247*f585d8a3SJacky Wang )" '"$@"' 248*f585d8a3SJacky Wang 249*f585d8a3SJacky Wangexec "$JAVACMD" "$@" 250