CSWorldEdit

Minecraft 1.12.2 · Cleanroom 0.7.12-alpha · Java 25 · Gradle 9.8.1

nix develop
./gradlew build
./gradlew runClient

Use Java 25 for the Gradle JVM; runClient picks up the Nix native libraries on NixOS.

Client-side WorldEdit-style commands and selections. Enable the mod in its config, then use /undo, /set, /diagline and the other client commands.

Settings: gradle.properties. Install build/libs/csworldedit-<version>.jar.