├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── src └── main │ ├── resources │ ├── assets │ │ └── butter │ │ │ └── icon.png │ ├── butter.mixins.json │ └── fabric.mod.json │ ├── kotlin │ └── polina4096 │ │ └── butter │ │ ├── integration │ │ └── ModMenuIntegration.kt │ │ ├── ButterMod.kt │ │ ├── ButterConfig.kt │ │ └── ButterConfigScreen.kt │ └── java │ └── polina4096 │ └── butter │ └── mixin │ └── InGameHudMixin.java ├── settings.gradle ├── .gitignore ├── README.md ├── gradle.properties ├── LICENSE ├── .github └── workflows │ └── build.yml ├── gradlew.bat └── gradlew /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/0PandaDEV/butter/master/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /src/main/resources/assets/butter/icon.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/0PandaDEV/butter/master/src/main/resources/assets/butter/icon.png -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | pluginManagement { 2 | repositories { 3 | maven { 4 | name = 'Fabric' 5 | url = 'https://maven.fabricmc.net/' 6 | } 7 | mavenCentral() 8 | gradlePluginPortal() 9 | } 10 | } -------------------------------------------------------------------------------- /src/main/resources/butter.mixins.json: -------------------------------------------------------------------------------- 1 | { 2 | "required": true, 3 | "package": "polina4096.butter.mixin", 4 | "compatibilityLevel": "JAVA_17", 5 | "injectors": { 6 | "defaultRequire": 1 7 | }, 8 | "client": [ 9 | "InGameHudMixin" 10 | ] 11 | } -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionBase=GRADLE_USER_HOME 2 | distributionPath=wrapper/dists 3 | distributionUrl=https\://services.gradle.org/distributions/gradle-8.2-bin.zip 4 | networkTimeout=10000 5 | validateDistributionUrl=true 6 | zipStoreBase=GRADLE_USER_HOME 7 | zipStorePath=wrapper/dists 8 | -------------------------------------------------------------------------------- /.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 | 35 | # java 36 | 37 | hs_err_*.log 38 | replay_*.log 39 | *.hprof 40 | *.jfr 41 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 |

2 | 3 |
butter 4 |

5 | 6 |

✨ smooth gliding animation for the selected hotbar slot indicator ✨

7 | 8 | ### Build Instructions 9 | 1. Clone the git repository 10 | 2. Navigate into the cloned directory 11 | 3. Run `./gradlew build` 12 | 13 | The built jar file will be in `build/libs/` 14 | 15 | --- 16 | 17 | ### Unlicense 18 | Released into the public domain. -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | # Done to increase the memory available to gradle. 2 | org.gradle.jvmargs=-Xmx1G 3 | org.gradle.parallel=true 4 | 5 | # Fabric Properties 6 | # check these on https://fabricmc.net/develop 7 | minecraft_version=1.20.1 8 | yarn_mappings=1.20.1+build.9 9 | loader_version=0.14.24 10 | fabric_kotlin_version=1.10.0+kotlin.1.9.0 11 | 12 | # Mod Properties 13 | mod_version=1.1.1 14 | maven_group=polina4096 15 | archives_base_name=butter 16 | 17 | # Dependencies 18 | fabric_version=0.85.0+1.20.1 -------------------------------------------------------------------------------- /src/main/kotlin/polina4096/butter/integration/ModMenuIntegration.kt: -------------------------------------------------------------------------------- 1 | package polina4096.butter.integration 2 | 3 | import com.terraformersmc.modmenu.api.ConfigScreenFactory 4 | import com.terraformersmc.modmenu.api.ModMenuApi 5 | import net.fabricmc.api.EnvType 6 | import net.fabricmc.api.Environment 7 | import polina4096.butter.generateConfigScreen 8 | 9 | @Environment(EnvType.CLIENT) 10 | class ModMenuIntegration : ModMenuApi { 11 | override fun getModConfigScreenFactory() 12 | = ConfigScreenFactory { generateConfigScreen(it) } 13 | } -------------------------------------------------------------------------------- /src/main/kotlin/polina4096/butter/ButterMod.kt: -------------------------------------------------------------------------------- 1 | package polina4096.butter 2 | 3 | import net.fabricmc.api.ModInitializer 4 | import net.fabricmc.loader.api.FabricLoader 5 | import org.slf4j.LoggerFactory 6 | 7 | object ButterMod : ModInitializer { 8 | const val ID = "butter" 9 | const val NAME = "butter" 10 | 11 | private val logger = LoggerFactory.getLogger("butter") 12 | 13 | lateinit var config: ButterConfig 14 | 15 | override fun onInitialize() { 16 | val configDir = FabricLoader.getInstance().configDir 17 | config = ButterConfig.load(configDir.resolve("$ID.json")) 18 | 19 | } 20 | } -------------------------------------------------------------------------------- /src/main/resources/fabric.mod.json: -------------------------------------------------------------------------------- 1 | { 2 | "schemaVersion": 1, 3 | "id": "butter", 4 | "version": "${version}", 5 | "name": "butter", 6 | "description": "makes your selected hotbar slot indicator glide like it's on butter", 7 | "authors": [ 8 | "Полина" 9 | ], 10 | "contact": { 11 | "homepage": "https://modrinth.com/mod/butter", 12 | "sources": "https://github.com/polina4096/butter" 13 | }, 14 | "license": "unlicense", 15 | "icon": "assets/butter/icon.png", 16 | "environment": "*", 17 | "entrypoints": { 18 | "main": [ 19 | { 20 | "value": "polina4096.butter.ButterMod", 21 | "adapter": "kotlin" 22 | } 23 | ], 24 | "modmenu": [ 25 | { 26 | "value": "polina4096.butter.integration.ModMenuIntegration", 27 | "adapter": "kotlin" 28 | } 29 | ] 30 | }, 31 | "mixins": [ 32 | "butter.mixins.json" 33 | ], 34 | "depends": { 35 | "fabricloader": ">=0.14.24", 36 | "minecraft": "~1.20.1", 37 | "java": ">=17", 38 | "fabric-language-kotlin": ">=1.10.13", 39 | "yet_another_config_lib_v3": ">=3.2.1" 40 | }, 41 | "suggests": { 42 | "modmenu": ">=7.2.2" 43 | } 44 | } -------------------------------------------------------------------------------- /src/main/kotlin/polina4096/butter/ButterConfig.kt: -------------------------------------------------------------------------------- 1 | package polina4096.butter 2 | 3 | import kotlinx.serialization.* 4 | import kotlinx.serialization.Transient 5 | import kotlinx.serialization.json.* 6 | import java.nio.file.Files 7 | import java.nio.file.Path 8 | import kotlin.io.path.exists 9 | import kotlin.io.path.writeText 10 | 11 | private val json = Json { prettyPrint = true } 12 | 13 | @Serializable 14 | class ButterConfig(@Transient var path: Path? = null) { 15 | var butterEnabled : Boolean = DEFAULT_BUTTER_ENABLED 16 | var glideSpeed : Double = DEFAULT_GLIDE_SPEED 17 | 18 | fun save() { 19 | path!!.writeText(json.encodeToString(this)) 20 | } 21 | 22 | companion object { 23 | const val DEFAULT_BUTTER_ENABLED = true 24 | const val DEFAULT_GLIDE_SPEED = 0.25 25 | 26 | fun load(path: Path): ButterConfig { 27 | if (!path.exists()) return ButterConfig(path) 28 | 29 | val inputStream = Files.newInputStream(path) 30 | val inputString = inputStream.bufferedReader().use { it.readText() } 31 | return Json.decodeFromString(inputString).also { it.path = path } 32 | } 33 | } 34 | } -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | This is free and unencumbered software released into the public domain. 2 | 3 | Anyone is free to copy, modify, publish, use, compile, sell, or 4 | distribute this software, either in source code form or as a compiled 5 | binary, for any purpose, commercial or non-commercial, and by any 6 | means. 7 | 8 | In jurisdictions that recognize copyright laws, the author or authors 9 | of this software dedicate any and all copyright interest in the 10 | software to the public domain. We make this dedication for the benefit 11 | of the public at large and to the detriment of our heirs and 12 | successors. We intend this dedication to be an overt act of 13 | relinquishment in perpetuity of all present and future rights to this 14 | software under copyright law. 15 | 16 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 17 | EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 18 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 19 | IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 | OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 | ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 | OTHER DEALINGS IN THE SOFTWARE. 23 | 24 | For more information, please refer to -------------------------------------------------------------------------------- /.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-22.04, windows-2022] 19 | runs-on: ${{ matrix.os }} 20 | steps: 21 | - name: checkout repository 22 | uses: actions/checkout@v3 23 | - name: validate gradle wrapper 24 | uses: gradle/wrapper-validation-action@v1 25 | - name: setup jdk ${{ matrix.java }} 26 | uses: actions/setup-java@v3 27 | with: 28 | java-version: ${{ matrix.java }} 29 | distribution: 'microsoft' 30 | - name: make gradle wrapper executable 31 | if: ${{ runner.os != 'Windows' }} 32 | run: chmod +x ./gradlew 33 | - name: build 34 | run: ./gradlew build 35 | - name: capture build artifacts 36 | if: ${{ runner.os == 'Linux' && matrix.java == '17' }} # Only upload artifacts built from latest java on one OS 37 | uses: actions/upload-artifact@v3 38 | with: 39 | name: Artifacts 40 | path: build/libs/ -------------------------------------------------------------------------------- /src/main/kotlin/polina4096/butter/ButterConfigScreen.kt: -------------------------------------------------------------------------------- 1 | package polina4096.butter 2 | 3 | import dev.isxander.yacl3.api.* 4 | import dev.isxander.yacl3.api.controller.BooleanControllerBuilder 5 | import dev.isxander.yacl3.api.controller.DoubleFieldControllerBuilder 6 | import net.minecraft.text.Text 7 | import net.minecraft.client.gui.screen.Screen 8 | 9 | fun generateConfigScreen(parent: Screen?): Screen = YetAnotherConfigLib.createBuilder() 10 | .save(ButterMod.config::save) 11 | .title(Text.of(ButterMod.NAME)) 12 | .category( 13 | ConfigCategory.createBuilder() 14 | .name(Text.of("butter")) 15 | .group( 16 | OptionGroup.createBuilder() 17 | .name(Text.of("General")) 18 | .collapsed(false) 19 | .option( 20 | Option.createBuilder() 21 | .name(Text.of("Indicator animation")) 22 | .description(OptionDescription.of(Text.of("Enables/disables selected hotbar slot indicator animation"))) 23 | .binding(ButterConfig.DEFAULT_BUTTER_ENABLED, 24 | { ButterMod.config.butterEnabled }, 25 | { ButterMod.config.butterEnabled = it }) 26 | .controller(BooleanControllerBuilder::create) 27 | .build()) 28 | 29 | .option( 30 | Option.createBuilder() 31 | .name(Text.of("Animation speed")) 32 | .description(OptionDescription.of(Text.of("Determines the speed of the slot indicator animation"))) 33 | .binding(ButterConfig.DEFAULT_GLIDE_SPEED, 34 | { ButterMod.config.glideSpeed }, 35 | { ButterMod.config.glideSpeed = it }) 36 | .controller(DoubleFieldControllerBuilder::create) 37 | .build()) 38 | .build()) 39 | .build()) 40 | .build() 41 | .generateScreen(parent) -------------------------------------------------------------------------------- /src/main/java/polina4096/butter/mixin/InGameHudMixin.java: -------------------------------------------------------------------------------- 1 | package polina4096.butter.mixin; 2 | 3 | import net.minecraft.client.MinecraftClient; 4 | import net.minecraft.client.gui.hud.InGameHud; 5 | import net.minecraft.entity.player.PlayerEntity; 6 | import org.spongepowered.asm.mixin.Final; 7 | import org.spongepowered.asm.mixin.Mixin; 8 | import org.spongepowered.asm.mixin.Shadow; 9 | import org.spongepowered.asm.mixin.Unique; 10 | import org.spongepowered.asm.mixin.injection.At; 11 | import org.spongepowered.asm.mixin.injection.ModifyArg; 12 | import polina4096.butter.ButterMod; 13 | 14 | @Mixin(value = InGameHud.class, priority = -1) 15 | public abstract class InGameHudMixin { 16 | @Shadow 17 | private int scaledWidth; 18 | 19 | @Shadow 20 | protected abstract PlayerEntity getCameraPlayer(); 21 | 22 | @Final 23 | @Shadow 24 | private MinecraftClient client; 25 | 26 | @Unique 27 | private double position = 0.0; 28 | 29 | @ModifyArg( 30 | at = @At( 31 | value = "INVOKE", 32 | target = "Lnet/minecraft/client/gui/DrawContext;drawTexture(Lnet/minecraft/util/Identifier;IIIIII)V", 33 | ordinal = 1 34 | ), 35 | index = 1, 36 | method = "renderHotbar" 37 | ) 38 | private int selectedSlotPositionX(int originalX) { 39 | if (!ButterMod.config.getButterEnabled()) return originalX; 40 | 41 | int i = this.scaledWidth / 2; 42 | PlayerEntity playerEntity = this.getCameraPlayer(); 43 | 44 | assert playerEntity != null; 45 | int selectedSlot = playerEntity.getInventory().selectedSlot; 46 | 47 | // Calculate the distance between the current position and the target slot 48 | double distance = Math.abs(position - selectedSlot); 49 | 50 | // If the distance is 0, no need to animate 51 | if (distance == 0) { 52 | return (int) (i - 91 - 1 + Math.round(position * 20)); 53 | } 54 | 55 | // Calculate the speed based on the desired animation duration 56 | // The speed is distance divided by duration (in ticks) 57 | // For example, if you want the animation to last for 1 second (20 ticks in Minecraft), use 20.0 58 | double duration = 2.0; 59 | double speed = distance / duration; 60 | 61 | if (position > selectedSlot) { 62 | position -= client.getTickDelta() * speed; 63 | if (position < selectedSlot) { 64 | position = selectedSlot; 65 | } 66 | } else if (position < selectedSlot) { 67 | position += client.getTickDelta() * speed; 68 | if (position > selectedSlot) { 69 | position = selectedSlot; 70 | } 71 | } 72 | 73 | return (int) (i - 91 - 1 + Math.round(position * 20)); 74 | } 75 | } -------------------------------------------------------------------------------- /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 | @rem This is normally unused 30 | set APP_BASE_NAME=%~n0 31 | set APP_HOME=%DIRNAME% 32 | 33 | @rem Resolve any "." and ".." in APP_HOME to make it shorter. 34 | for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi 35 | 36 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 37 | set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" 38 | 39 | @rem Find java.exe 40 | if defined JAVA_HOME goto findJavaFromJavaHome 41 | 42 | set JAVA_EXE=java.exe 43 | %JAVA_EXE% -version >NUL 2>&1 44 | if %ERRORLEVEL% equ 0 goto execute 45 | 46 | echo. 47 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 48 | echo. 49 | echo Please set the JAVA_HOME variable in your environment to match the 50 | echo location of your Java installation. 51 | 52 | goto fail 53 | 54 | :findJavaFromJavaHome 55 | set JAVA_HOME=%JAVA_HOME:"=% 56 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 57 | 58 | if exist "%JAVA_EXE%" goto execute 59 | 60 | echo. 61 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 62 | echo. 63 | echo Please set the JAVA_HOME variable in your environment to match the 64 | echo location of your Java installation. 65 | 66 | goto fail 67 | 68 | :execute 69 | @rem Setup the command line 70 | 71 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 72 | 73 | 74 | @rem Execute Gradle 75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* 76 | 77 | :end 78 | @rem End local scope for the variables with windows NT shell 79 | if %ERRORLEVEL% equ 0 goto mainEnd 80 | 81 | :fail 82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 83 | rem the _cmd.exe /c_ return code! 84 | set EXIT_CODE=%ERRORLEVEL% 85 | if %EXIT_CODE% equ 0 set EXIT_CODE=1 86 | if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE% 87 | exit /b %EXIT_CODE% 88 | 89 | :mainEnd 90 | if "%OS%"=="Windows_NT" endlocal 91 | 92 | :omega 93 | -------------------------------------------------------------------------------- /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/HEAD/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 | # This is normally unused 84 | # shellcheck disable=SC2034 85 | APP_BASE_NAME=${0##*/} 86 | APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit 87 | 88 | # Use the maximum available, or set MAX_FD != -1 to use that value. 89 | MAX_FD=maximum 90 | 91 | warn () { 92 | echo "$*" 93 | } >&2 94 | 95 | die () { 96 | echo 97 | echo "$*" 98 | echo 99 | exit 1 100 | } >&2 101 | 102 | # OS specific support (must be 'true' or 'false'). 103 | cygwin=false 104 | msys=false 105 | darwin=false 106 | nonstop=false 107 | case "$( uname )" in #( 108 | CYGWIN* ) cygwin=true ;; #( 109 | Darwin* ) darwin=true ;; #( 110 | MSYS* | MINGW* ) msys=true ;; #( 111 | NONSTOP* ) nonstop=true ;; 112 | esac 113 | 114 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 115 | 116 | 117 | # Determine the Java command to use to start the JVM. 118 | if [ -n "$JAVA_HOME" ] ; then 119 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 120 | # IBM's JDK on AIX uses strange locations for the executables 121 | JAVACMD=$JAVA_HOME/jre/sh/java 122 | else 123 | JAVACMD=$JAVA_HOME/bin/java 124 | fi 125 | if [ ! -x "$JAVACMD" ] ; then 126 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 127 | 128 | Please set the JAVA_HOME variable in your environment to match the 129 | location of your Java installation." 130 | fi 131 | else 132 | JAVACMD=java 133 | if ! command -v java >/dev/null 2>&1 134 | then 135 | die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 136 | 137 | Please set the JAVA_HOME variable in your environment to match the 138 | location of your Java installation." 139 | fi 140 | fi 141 | 142 | # Increase the maximum file descriptors if we can. 143 | if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then 144 | case $MAX_FD in #( 145 | max*) 146 | # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked. 147 | # shellcheck disable=SC3045 148 | MAX_FD=$( ulimit -H -n ) || 149 | warn "Could not query maximum file descriptor limit" 150 | esac 151 | case $MAX_FD in #( 152 | '' | soft) :;; #( 153 | *) 154 | # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked. 155 | # shellcheck disable=SC3045 156 | ulimit -n "$MAX_FD" || 157 | warn "Could not set maximum file descriptor limit to $MAX_FD" 158 | esac 159 | fi 160 | 161 | # Collect all arguments for the java command, stacking in reverse order: 162 | # * args from the command line 163 | # * the main class name 164 | # * -classpath 165 | # * -D...appname settings 166 | # * --module-path (only if needed) 167 | # * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. 168 | 169 | # For Cygwin or MSYS, switch paths to Windows format before running java 170 | if "$cygwin" || "$msys" ; then 171 | APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) 172 | CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) 173 | 174 | JAVACMD=$( cygpath --unix "$JAVACMD" ) 175 | 176 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 177 | for arg do 178 | if 179 | case $arg in #( 180 | -*) false ;; # don't mess with options #( 181 | /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath 182 | [ -e "$t" ] ;; #( 183 | *) false ;; 184 | esac 185 | then 186 | arg=$( cygpath --path --ignore --mixed "$arg" ) 187 | fi 188 | # Roll the args list around exactly as many times as the number of 189 | # args, so each arg winds up back in the position where it started, but 190 | # possibly modified. 191 | # 192 | # NB: a `for` loop captures its iteration list before it begins, so 193 | # changing the positional parameters here affects neither the number of 194 | # iterations, nor the values presented in `arg`. 195 | shift # remove old arg 196 | set -- "$@" "$arg" # push replacement arg 197 | done 198 | fi 199 | 200 | 201 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 202 | DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' 203 | 204 | # Collect all arguments for the java command; 205 | # * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of 206 | # shell script including quotes and variable substitutions, so put them in 207 | # double quotes to make sure that they get re-expanded; and 208 | # * put everything else in single quotes, so that it's not re-expanded. 209 | 210 | set -- \ 211 | "-Dorg.gradle.appname=$APP_BASE_NAME" \ 212 | -classpath "$CLASSPATH" \ 213 | org.gradle.wrapper.GradleWrapperMain \ 214 | "$@" 215 | 216 | # Stop when "xargs" is not available. 217 | if ! command -v xargs >/dev/null 2>&1 218 | then 219 | die "xargs is not available" 220 | fi 221 | 222 | # Use "xargs" to parse quoted args. 223 | # 224 | # With -n1 it outputs one arg per line, with the quotes and backslashes removed. 225 | # 226 | # In Bash we could simply go: 227 | # 228 | # readarray ARGS < <( xargs -n1 <<<"$var" ) && 229 | # set -- "${ARGS[@]}" "$@" 230 | # 231 | # but POSIX shell has neither arrays nor command substitution, so instead we 232 | # post-process each arg (as a line of input to sed) to backslash-escape any 233 | # character that might be a shell metacharacter, then use eval to reverse 234 | # that process (while maintaining the separation between arguments), and wrap 235 | # the whole thing up as a single "set" statement. 236 | # 237 | # This will of course break if any of these variables contains a newline or 238 | # an unmatched quote. 239 | # 240 | 241 | eval "set -- $( 242 | printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | 243 | xargs -n1 | 244 | sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | 245 | tr '\n' ' ' 246 | )" '"$@"' 247 | 248 | exec "$JAVACMD" "$@" 249 | --------------------------------------------------------------------------------