├── LICENSE ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── src └── main │ ├── resources │ ├── assets │ │ └── instantkill │ │ │ └── icon.png │ ├── instantkill.mixins.json │ └── fabric.mod.json │ └── java │ └── me │ └── saturn │ └── instantkill │ ├── mixin │ ├── ClientPlayerInteractionManagerMixin.java │ └── InventoryScreenMixin.java │ └── InstantKill.java ├── settings.gradle ├── README.md ├── .gitignore ├── gradle.properties ├── .github └── workflows │ └── build.yml ├── gradlew.bat └── gradlew /LICENSE: -------------------------------------------------------------------------------- 1 | bla bla bla legal stuff here -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/0x4D2D/InstantKillBow/HEAD/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /src/main/resources/assets/instantkill/icon.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/0x4D2D/InstantKillBow/HEAD/src/main/resources/assets/instantkill/icon.png -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionBase=GRADLE_USER_HOME 2 | distributionPath=wrapper/dists 3 | distributionUrl=https\://services.gradle.org/distributions/gradle-8.1.1-bin.zip 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | pluginManagement { 2 | repositories { 3 | maven { 4 | name = 'Fabric' 5 | url = 'https://maven.fabricmc.net/' 6 | } 7 | mavenCentral() 8 | gradlePluginPortal() 9 | } 10 | } 11 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Instant Kill Bow 2 | 3 | A standalone mod for the popular instant kill bow hack 4 | 5 | made for version 1.18.1 6 | 7 | download can be found [here](https://github.com/Saturn5Vfive/InstantKillBow/raw/master/builds/instantkill-1.0.0.jar) 8 | 9 | join our epic discord [here](https://discord.gg/moles) 10 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # gradle 2 | 3 | .gradle/ 4 | build/ 5 | out/ 6 | classes/ 7 | 8 | # eclipse 9 | 10 | *.launch 11 | 12 | # idea 13 | 14 | .idea/ 15 | *.iml 16 | *.ipr 17 | *.iws 18 | 19 | # vscode 20 | 21 | .settings/ 22 | .vscode/ 23 | bin/ 24 | .classpath 25 | .project 26 | 27 | # macos 28 | 29 | *.DS_Store 30 | 31 | # fabric 32 | 33 | run/ 34 | -------------------------------------------------------------------------------- /src/main/resources/instantkill.mixins.json: -------------------------------------------------------------------------------- 1 | { 2 | "required": true, 3 | "minVersion": "0.8", 4 | "package": "me.saturn.instantkill.mixin", 5 | "compatibilityLevel": "JAVA_17", 6 | "mixins": [ 7 | ], 8 | "client": [ 9 | "InventoryScreenMixin", 10 | "ClientPlayerInteractionManagerMixin" 11 | ], 12 | "injectors": { 13 | "defaultRequire": 1 14 | } 15 | } 16 | -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | # Done to increase the memory available to gradle. 2 | org.gradle.jvmargs=-Xmx1G 3 | 4 | # Fabric Properties 5 | # check these on https://fabricmc.net/develop 6 | minecraft_version=1.19.4 7 | yarn_mappings=1.19.4+build.2 8 | loader_version=0.14.21 9 | 10 | # Mod Properties 11 | mod_version = 1.0.0 12 | maven_group = me.saturn.instantkill 13 | archives_base_name = instantkill 14 | 15 | # Dependencies 16 | fabric_version=0.83.0+1.19.4 17 | -------------------------------------------------------------------------------- /src/main/resources/fabric.mod.json: -------------------------------------------------------------------------------- 1 | { 2 | "schemaVersion": 1, 3 | "id": "instantkill", 4 | "version": "1.0.0", 5 | 6 | "name": "InstantKill", 7 | "description": "Make bows deal extrordinary amounts of damage", 8 | "authors": [ 9 | "Saturn5Vfive" 10 | ], 11 | "contact": { 12 | "homepage": "https://discord.gg/moles", 13 | "sources": "https://github.com/saturn5Vfive/InstantKillBow" 14 | }, 15 | 16 | "license": "CC0-1.0", 17 | "icon": "assets/instantkill/icon.png", 18 | 19 | "environment": "*", 20 | "entrypoints": { 21 | "main": [ 22 | "me.saturn.instantkill.InstantKill" 23 | ] 24 | }, 25 | "mixins": [ 26 | "instantkill.mixins.json" 27 | ], 28 | 29 | "depends": { 30 | "fabricloader": ">=0.14.18", 31 | "minecraft": "1.19.4", 32 | "java": ">=17" 33 | }, 34 | "suggests": { 35 | "another-mod": "*" 36 | } 37 | } 38 | -------------------------------------------------------------------------------- /src/main/java/me/saturn/instantkill/mixin/ClientPlayerInteractionManagerMixin.java: -------------------------------------------------------------------------------- 1 | package me.saturn.instantkill.mixin; 2 | 3 | import org.spongepowered.asm.mixin.Mixin; 4 | import org.spongepowered.asm.mixin.injection.Inject; 5 | import org.spongepowered.asm.mixin.injection.At; 6 | import org.spongepowered.asm.mixin.injection.callback.CallbackInfo; 7 | 8 | import me.saturn.instantkill.InstantKill; 9 | import net.minecraft.client.network.ClientPlayerInteractionManager; 10 | import net.minecraft.entity.player.PlayerEntity; 11 | import net.minecraft.item.Items; 12 | 13 | @Mixin(ClientPlayerInteractionManager.class) 14 | public class ClientPlayerInteractionManagerMixin { 15 | @Inject(at = @At("HEAD"), method = "stopUsingItem") 16 | private void onStopUsingItem(PlayerEntity player, CallbackInfo ci){ 17 | if(player.getInventory().getMainHandStack().getItem().equals(Items.BOW)){ 18 | InstantKill.addVelocityToPlayer(); 19 | } 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /.github/workflows/build.yml: -------------------------------------------------------------------------------- 1 | # Automatically build the project and run any configured tests for every push 2 | # and submitted pull request. This can help catch issues that only occur on 3 | # certain platforms or Java versions, and provides a first line of defence 4 | # against bad commits. 5 | 6 | name: build 7 | on: [pull_request, push] 8 | 9 | jobs: 10 | build: 11 | strategy: 12 | matrix: 13 | # Use these Java versions 14 | java: [ 15 | 17, # Current Java LTS & minimum supported by Minecraft 16 | ] 17 | # and run on both Linux and Windows 18 | os: [ubuntu-20.04, windows-2022] 19 | runs-on: ${{ matrix.os }} 20 | steps: 21 | - name: checkout repository 22 | uses: actions/checkout@v2 23 | - name: validate gradle wrapper 24 | uses: gradle/wrapper-validation-action@v1 25 | - name: setup jdk ${{ matrix.java }} 26 | uses: actions/setup-java@v1 27 | with: 28 | java-version: ${{ matrix.java }} 29 | - name: make gradle wrapper executable 30 | if: ${{ runner.os != 'Windows' }} 31 | run: chmod +x ./gradlew 32 | - name: build 33 | run: ./gradlew build 34 | - name: capture build artifacts 35 | if: ${{ runner.os == 'Linux' && matrix.java == '17' }} # Only upload artifacts built from latest java on one OS 36 | uses: actions/upload-artifact@v2 37 | with: 38 | name: Artifacts 39 | path: build/libs/ 40 | -------------------------------------------------------------------------------- /src/main/java/me/saturn/instantkill/InstantKill.java: -------------------------------------------------------------------------------- 1 | package me.saturn.instantkill; 2 | 3 | import net.fabricmc.api.ModInitializer; 4 | import net.minecraft.client.MinecraftClient; 5 | import net.minecraft.network.packet.c2s.play.ClientCommandC2SPacket; 6 | import net.minecraft.network.packet.c2s.play.PlayerMoveC2SPacket; 7 | 8 | import org.apache.logging.log4j.LogManager; 9 | import org.apache.logging.log4j.Logger; 10 | 11 | public class InstantKill implements ModInitializer { 12 | public static final Logger LOGGER = LogManager.getLogger("instantkill"); 13 | 14 | public static final MinecraftClient mc = MinecraftClient.getInstance(); 15 | 16 | public static boolean shouldAddVelocity = true; 17 | 18 | @Override 19 | public void onInitialize() { 20 | LOGGER.info("the bow instant kill is real working"); 21 | } 22 | 23 | //the exploit used here is not mine! 24 | //I dont completely know where it originated, but I'm pretty sure it's 2b2t. 25 | public static void addVelocityToPlayer(){ 26 | if(shouldAddVelocity){ 27 | mc.player.networkHandler.sendPacket(new ClientCommandC2SPacket(mc.player, ClientCommandC2SPacket.Mode.START_SPRINTING)); 28 | for (int i = 0; i < 100; i++) { 29 | mc.player.networkHandler.sendPacket(new PlayerMoveC2SPacket.PositionAndOnGround(mc.player.getX(), mc.player.getY() - 0.000000001, mc.player.getZ(), true)); 30 | mc.player.networkHandler.sendPacket(new PlayerMoveC2SPacket.PositionAndOnGround(mc.player.getX(), mc.player.getY() + 0.000000001, mc.player.getZ(), false)); 31 | } 32 | } 33 | } 34 | } 35 | -------------------------------------------------------------------------------- /src/main/java/me/saturn/instantkill/mixin/InventoryScreenMixin.java: -------------------------------------------------------------------------------- 1 | package me.saturn.instantkill.mixin; 2 | 3 | import java.time.Instant; 4 | 5 | import org.spongepowered.asm.mixin.Mixin; 6 | import org.spongepowered.asm.mixin.injection.At; 7 | import org.spongepowered.asm.mixin.injection.Inject; 8 | import org.spongepowered.asm.mixin.injection.callback.CallbackInfo; 9 | 10 | import me.saturn.instantkill.InstantKill; 11 | import net.minecraft.client.gui.screen.Screen; 12 | import net.minecraft.client.gui.screen.ingame.InventoryScreen; 13 | import net.minecraft.client.gui.widget.ButtonWidget; 14 | import net.minecraft.client.util.math.MatrixStack; 15 | import net.minecraft.text.Text; 16 | import java.awt.Color; 17 | 18 | @Mixin(InventoryScreen.class) 19 | public class InventoryScreenMixin extends Screen{ 20 | 21 | protected InventoryScreenMixin(Text title){ 22 | super(title); 23 | } 24 | 25 | @Inject(method = "init", at = @At("HEAD")) 26 | public void onInit(CallbackInfo ci){ 27 | ButtonWidget toggle = ButtonWidget.builder(Text.of("InstantKill: " + (InstantKill.shouldAddVelocity ? "On" : "Off")), b -> { 28 | InstantKill.shouldAddVelocity = !InstantKill.shouldAddVelocity; 29 | if (InstantKill.mc.player != null) { 30 | InstantKill.mc.setScreen(new InventoryScreen(InstantKill.mc.player)); 31 | } 32 | }).dimensions(1, 1, 100, 20).build(); 33 | this.addDrawableChild(toggle); 34 | } 35 | 36 | @Inject(method = "render", at = @At("HEAD")) 37 | public void onRender(MatrixStack matrices, int a, int b, float d, CallbackInfo ci){ 38 | int pp = this.textRenderer.getWidth("Made by Saturn5Vfive <3") / 2; 39 | drawCenteredTextWithShadow(matrices, textRenderer, Text.of("Made by Saturn5Vfive <3"), pp + 5, InstantKill.mc.getWindow().getScaledHeight() - 10, new Color(255, 255, 255, 255).getRGB()); 40 | } 41 | } -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @rem 2 | @rem Copyright 2015 the original author or authors. 3 | @rem 4 | @rem Licensed under the Apache License, Version 2.0 (the "License"); 5 | @rem you may not use this file except in compliance with the License. 6 | @rem You may obtain a copy of the License at 7 | @rem 8 | @rem https://www.apache.org/licenses/LICENSE-2.0 9 | @rem 10 | @rem Unless required by applicable law or agreed to in writing, software 11 | @rem distributed under the License is distributed on an "AS IS" BASIS, 12 | @rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | @rem See the License for the specific language governing permissions and 14 | @rem limitations under the License. 15 | @rem 16 | 17 | @if "%DEBUG%" == "" @echo off 18 | @rem ########################################################################## 19 | @rem 20 | @rem Gradle startup script for Windows 21 | @rem 22 | @rem ########################################################################## 23 | 24 | @rem Set local scope for the variables with windows NT shell 25 | if "%OS%"=="Windows_NT" setlocal 26 | 27 | set DIRNAME=%~dp0 28 | if "%DIRNAME%" == "" set DIRNAME=. 29 | set APP_BASE_NAME=%~n0 30 | set APP_HOME=%DIRNAME% 31 | 32 | @rem Resolve any "." and ".." in APP_HOME to make it shorter. 33 | for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi 34 | 35 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 36 | set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" 37 | 38 | @rem Find java.exe 39 | if defined JAVA_HOME goto findJavaFromJavaHome 40 | 41 | set JAVA_EXE=java.exe 42 | %JAVA_EXE% -version >NUL 2>&1 43 | if "%ERRORLEVEL%" == "0" goto execute 44 | 45 | echo. 46 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 47 | echo. 48 | echo Please set the JAVA_HOME variable in your environment to match the 49 | echo location of your Java installation. 50 | 51 | goto fail 52 | 53 | :findJavaFromJavaHome 54 | set JAVA_HOME=%JAVA_HOME:"=% 55 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 56 | 57 | if exist "%JAVA_EXE%" goto execute 58 | 59 | echo. 60 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 61 | echo. 62 | echo Please set the JAVA_HOME variable in your environment to match the 63 | echo location of your Java installation. 64 | 65 | goto fail 66 | 67 | :execute 68 | @rem Setup the command line 69 | 70 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 71 | 72 | 73 | @rem Execute Gradle 74 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* 75 | 76 | :end 77 | @rem End local scope for the variables with windows NT shell 78 | if "%ERRORLEVEL%"=="0" goto mainEnd 79 | 80 | :fail 81 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 82 | rem the _cmd.exe /c_ return code! 83 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 84 | exit /b 1 85 | 86 | :mainEnd 87 | if "%OS%"=="Windows_NT" endlocal 88 | 89 | :omega 90 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | 3 | # 4 | # Copyright © 2015-2021 the original authors. 5 | # 6 | # Licensed under the Apache License, Version 2.0 (the "License"); 7 | # you may not use this file except in compliance with the License. 8 | # You may obtain a copy of the License at 9 | # 10 | # https://www.apache.org/licenses/LICENSE-2.0 11 | # 12 | # Unless required by applicable law or agreed to in writing, software 13 | # distributed under the License is distributed on an "AS IS" BASIS, 14 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 | # See the License for the specific language governing permissions and 16 | # limitations under the License. 17 | # 18 | 19 | ############################################################################## 20 | # 21 | # Gradle start up script for POSIX generated by Gradle. 22 | # 23 | # Important for running: 24 | # 25 | # (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is 26 | # noncompliant, but you have some other compliant shell such as ksh or 27 | # bash, then to run this script, type that shell name before the whole 28 | # command line, like: 29 | # 30 | # ksh Gradle 31 | # 32 | # Busybox and similar reduced shells will NOT work, because this script 33 | # requires all of these POSIX shell features: 34 | # * functions; 35 | # * expansions «$var», «${var}», «${var:-default}», «${var+SET}», 36 | # «${var#prefix}», «${var%suffix}», and «$( cmd )»; 37 | # * compound commands having a testable exit status, especially «case»; 38 | # * various built-in commands including «command», «set», and «ulimit». 39 | # 40 | # Important for patching: 41 | # 42 | # (2) This script targets any POSIX shell, so it avoids extensions provided 43 | # by Bash, Ksh, etc; in particular arrays are avoided. 44 | # 45 | # The "traditional" practice of packing multiple parameters into a 46 | # space-separated string is a well documented source of bugs and security 47 | # problems, so this is (mostly) avoided, by progressively accumulating 48 | # options in "$@", and eventually passing that to Java. 49 | # 50 | # Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, 51 | # and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; 52 | # see the in-line comments for details. 53 | # 54 | # There are tweaks for specific operating systems such as AIX, CygWin, 55 | # Darwin, MinGW, and NonStop. 56 | # 57 | # (3) This script is generated from the Groovy template 58 | # https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt 59 | # within the Gradle project. 60 | # 61 | # You can find Gradle at https://github.com/gradle/gradle/. 62 | # 63 | ############################################################################## 64 | 65 | # Attempt to set APP_HOME 66 | 67 | # Resolve links: $0 may be a link 68 | app_path=$0 69 | 70 | # Need this for daisy-chained symlinks. 71 | while 72 | APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path 73 | [ -h "$app_path" ] 74 | do 75 | ls=$( ls -ld "$app_path" ) 76 | link=${ls#*' -> '} 77 | case $link in #( 78 | /*) app_path=$link ;; #( 79 | *) app_path=$APP_HOME$link ;; 80 | esac 81 | done 82 | 83 | APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit 84 | 85 | APP_NAME="Gradle" 86 | APP_BASE_NAME=${0##*/} 87 | 88 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 89 | DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' 90 | 91 | # Use the maximum available, or set MAX_FD != -1 to use that value. 92 | MAX_FD=maximum 93 | 94 | warn () { 95 | echo "$*" 96 | } >&2 97 | 98 | die () { 99 | echo 100 | echo "$*" 101 | echo 102 | exit 1 103 | } >&2 104 | 105 | # OS specific support (must be 'true' or 'false'). 106 | cygwin=false 107 | msys=false 108 | darwin=false 109 | nonstop=false 110 | case "$( uname )" in #( 111 | CYGWIN* ) cygwin=true ;; #( 112 | Darwin* ) darwin=true ;; #( 113 | MSYS* | MINGW* ) msys=true ;; #( 114 | NONSTOP* ) nonstop=true ;; 115 | esac 116 | 117 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 118 | 119 | 120 | # Determine the Java command to use to start the JVM. 121 | if [ -n "$JAVA_HOME" ] ; then 122 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 123 | # IBM's JDK on AIX uses strange locations for the executables 124 | JAVACMD=$JAVA_HOME/jre/sh/java 125 | else 126 | JAVACMD=$JAVA_HOME/bin/java 127 | fi 128 | if [ ! -x "$JAVACMD" ] ; then 129 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 130 | 131 | Please set the JAVA_HOME variable in your environment to match the 132 | location of your Java installation." 133 | fi 134 | else 135 | JAVACMD=java 136 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 137 | 138 | Please set the JAVA_HOME variable in your environment to match the 139 | location of your Java installation." 140 | fi 141 | 142 | # Increase the maximum file descriptors if we can. 143 | if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then 144 | case $MAX_FD in #( 145 | max*) 146 | MAX_FD=$( ulimit -H -n ) || 147 | warn "Could not query maximum file descriptor limit" 148 | esac 149 | case $MAX_FD in #( 150 | '' | soft) :;; #( 151 | *) 152 | ulimit -n "$MAX_FD" || 153 | warn "Could not set maximum file descriptor limit to $MAX_FD" 154 | esac 155 | fi 156 | 157 | # Collect all arguments for the java command, stacking in reverse order: 158 | # * args from the command line 159 | # * the main class name 160 | # * -classpath 161 | # * -D...appname settings 162 | # * --module-path (only if needed) 163 | # * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. 164 | 165 | # For Cygwin or MSYS, switch paths to Windows format before running java 166 | if "$cygwin" || "$msys" ; then 167 | APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) 168 | CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) 169 | 170 | JAVACMD=$( cygpath --unix "$JAVACMD" ) 171 | 172 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 173 | for arg do 174 | if 175 | case $arg in #( 176 | -*) false ;; # don't mess with options #( 177 | /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath 178 | [ -e "$t" ] ;; #( 179 | *) false ;; 180 | esac 181 | then 182 | arg=$( cygpath --path --ignore --mixed "$arg" ) 183 | fi 184 | # Roll the args list around exactly as many times as the number of 185 | # args, so each arg winds up back in the position where it started, but 186 | # possibly modified. 187 | # 188 | # NB: a `for` loop captures its iteration list before it begins, so 189 | # changing the positional parameters here affects neither the number of 190 | # iterations, nor the values presented in `arg`. 191 | shift # remove old arg 192 | set -- "$@" "$arg" # push replacement arg 193 | done 194 | fi 195 | 196 | # Collect all arguments for the java command; 197 | # * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of 198 | # shell script including quotes and variable substitutions, so put them in 199 | # double quotes to make sure that they get re-expanded; and 200 | # * put everything else in single quotes, so that it's not re-expanded. 201 | 202 | set -- \ 203 | "-Dorg.gradle.appname=$APP_BASE_NAME" \ 204 | -classpath "$CLASSPATH" \ 205 | org.gradle.wrapper.GradleWrapperMain \ 206 | "$@" 207 | 208 | # Use "xargs" to parse quoted args. 209 | # 210 | # With -n1 it outputs one arg per line, with the quotes and backslashes removed. 211 | # 212 | # In Bash we could simply go: 213 | # 214 | # readarray ARGS < <( xargs -n1 <<<"$var" ) && 215 | # set -- "${ARGS[@]}" "$@" 216 | # 217 | # but POSIX shell has neither arrays nor command substitution, so instead we 218 | # post-process each arg (as a line of input to sed) to backslash-escape any 219 | # character that might be a shell metacharacter, then use eval to reverse 220 | # that process (while maintaining the separation between arguments), and wrap 221 | # the whole thing up as a single "set" statement. 222 | # 223 | # This will of course break if any of these variables contains a newline or 224 | # an unmatched quote. 225 | # 226 | 227 | eval "set -- $( 228 | printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | 229 | xargs -n1 | 230 | sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | 231 | tr '\n' ' ' 232 | )" '"$@"' 233 | 234 | exec "$JAVACMD" "$@" 235 | --------------------------------------------------------------------------------