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Building from Source

To build PetarLib from source, follow these steps:

  1. Ensure you have Java 21+ and Git installed.
warning

Minecraft version 26.1-snapshot-1 (PetarLib v2.0.0+) and above require Java 25 and using java 21 wont work

  1. Clone the repository: 
    git clone https://github.com/PetarMc1/PetarLib.git
    cd PetarLib
  2. Build using Gradle: 
    ./gradlew build
    # or
    gradlew.bat build
  3. The built jars will be in build/libs/.

Building All Versions​

To build PetarLib for all supported Minecraft versions, use the buildAllVers task:

./gradlew buildAllVers
# or
gradlew.bat buildAllVers

This will build the library for the default version and all versions defined in the props/ directory. The output jars will be in build/libs-versioned/.

Jenkins Builds​

If you prefer not to build from source but you want build for the current commit you can download pre-built jars for each commit from the CI server.

  1. Visit the PetarLib Jenkins page.
  2. Download the jar files from the latest (or the build you want from) artifacts.
  3. Use these jars directly in your mods folder, similar to the installation instructions.